Service Manuals, User Guides, Schematic Diagrams or docs for : ONKYO Audio HT-R5000 OnkyoHTR500sm

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OnkyoHTR500sm


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                                                              HT-R500

                                                       Ref. No. 3728
                                                             042002
                 SERVICE MANUAL


              AV RECEIVER
            MODEL HT-R500




                     Black models

BMDD                           120V AC, 60Hz




       SAFETY-RELATED COMPONENT
       WARNING!!
       COMPONENTS IDENTIFIED BY MARK      ON THE
       SCHEMATIC DIAGRAM AND IN THE PARTS LIST ARE
       CRITICAL FOR RISK OF FIRE AND ELECTRIC SHOCK.
       REPLACE THESE COMPONENTS WITH ONKYO
       PARTS WHOSE PART NUMBERS APPEAR AS SHOWN
       IN THIS MANUAL.
       MAKE LEAKAGE-CURRENT OR RESISTANCE
       MEASUREMENTS TO DETERMINE THAT EXPOSED
       PARTS ARE ACCEPTABLY INSULATED FROM THE
       SUPPLY CIRCUIT BEFORE RETURNING THE
       APPLIANCE TO THE CUSTOMER.
                                                                      HT-R500

SERVICE PROCEDURES
1. Replacing the fuses

              This symbol located near the fuses indicates that the
fuse used is fast operating type. For continued protection against
fire hazard, replace with same type fuse. For fuse rating refer to
the marking adjacent to the symbol.

            Ce symbole indique que le fusible utlise est a rapide.
Pour une protection permanente, n'untiliser que fusibles de
meme type. Ce darnier est la qu le present symbol est
appse.

CIRCUIT NO. PART NO.             DESCRIPTION
  F6901,        252198 or        8A-UL or
  F6902         252261           8A-T/UL-ST2,Fuse
  F901          252198 or        8A-UL or
                252261           8A-T/UL-ST2,Fuse


2. To initialize the unit
This device employs a microprocessor to perform various
functions and operations. If interference generated by an external
power supply, radio wave, or other electrical source results in
accident which causes the specified operations and functions to
operate abnormally.
To perform a result, please follow the procedure below.

1.Press and hold down the VIDEO-1 button, then press the
  STANDBY/ON button.
2.After "clear" is displayed, the preset memory and each
mode stored in the memory, such as surround, are
initialized and will return to the factory setting.


3. Safety-check out
(Only U.S.A. model)
After correcting the original service problem, perform the
following safety check before releasing the set to the customer.
Connect the insulating-resistance tester between the plug of power
supply cord and screw on the back panel.
Specifications: 3.3Mohm+/-10% at 500V.

4. Memory Preservation
This unit does not require memory preservation batteries. A
built-in memory po wer back-up system preserves the contents
of the memory during power failures and even when the unit is
unplugged.The unit must be plugged in order to charge the
back-up system.
The memory preservation period after the unit has been
unplugged varies depending on climate and placement of the
unit. On the average, memory contents are protected over a
period of a few weeks after the last time the unit has been
unplugged. This period is shorter when the unit is exposed to a
highly humid climate.
                                                                                                                                                            HT-R500



EXPLODED VIEW
                                                                                 54
                                                                                      U31                              17
       P901                                                                                                                                                 17
                                                                                                P101
                                                   U9    U22
                                31
                                                                                               U7
                        33
                  33
 11                                                                                         U1
                                                                                                      54
                                              U13 U23
                                                U24
                                                                             2
                                     U12       2
                                                                        12                                                                       16
                                                                                                                  17

                                       Q6050                                                                    P7001
                                                                                      2
33                              F6901
                                                                                          U10                 P7503
                                F6902
     U20                2
                                                                                                                                  U3
                 F901                                                                                                              U6        1
                            9                                      55                       10
                                                                                                      2                                      2
                                                13                                                                                                     51
                                9     U17 2      Q6064                  2                 U4
                                       U11 5
           U19

           T901

                  U21                                                                                     3

                                                                                                                             25
                                                                                      6          U5
                                                                                                                                                             24
                                                                                          21                          2     52
                        21
                                                                                                                                                  53
                                                                                          22




                                                                                                                                                                  HTR-500
                        22
                                                               8
                                                                                          23                                            53
                        23          56 8           7
                                                                                                                                                          HT-R500


                                                                                            CAUTION: Replacement for transistor of mark *, if necessary
EXPLODED VIEW                                                                                         must be made from the same beta group (hFE) as
                                                                                                      the original type.
PARTS LIST
REF.NO.   PART NO.     DESCRIPTION                              REF.NO. PART NO.        DESCRIPTION
   1      27111268     Front bracket                             P901 253332HIT or    ! AS-UC-2 or
   2      838130088    3TTB+8B,Self-tapping screw                       253333VOL     ! AS-UC-2,Power supply cord
   5      27100416     Chassis                                  Q6050~ 2203563,         KTC5242-O,
                                                                                      *
   6      27190503A    KGLS-8RF,Holder                           Q6054 2202842,         2SC5242-R,
                                                                                      *
   7      27190813     KGPS-10RF,Holder                                 2202843,      * 2SC5242-O,
   8      27190428A    KGLS-10RF,Holder                                 2203562,        KTC5242-R,
                                                                                      *
   9      830440089    4TTC+8C(BC),Self-tapping screw                   2203663,      * MN130S-O,
  10      880009       NRP-345,Plastic rivet                            2203664 or    * MN130S-Y or
  11      27300750   ! Bushing,cord                                     2203666       * MN130S-P,Transistor
  12      27160511     Heat sink                                Q6060~ 2203553,       * KTA1962-O,
  13      801433       3SMS8W.SW+14B(BC),Special screw           Q6064 2202832,       * 2SA1962-R,
  16      28184831     Top cover                                        2202833,      * 2SA1962-O,
  17      838430088    3TTB+8B(BC),Self-tapping screw                   2203552,      * KTA1962-R,
  21      27175319B    Leg                                              2203673,      * MP130S-O,
  22      28141494     Cushion                                          2203674 or    * MP130S-Y or
  23      838130088    3TTB+8B,Self-tapping screw                       2203676       * MP130S-P,Transistor
  24      28325641     Knob, volume                              T901 2301624         ! NPT-1446D,Power transformer
  25      28191957     Clear plate                                U1    1A928501-1F     NADG-7401-1F,DSP circuit PC board ass'y
  31      27122989A    Rear panel                                 U3    1A928503-1A     NADIS-7403-1A,Display circuit PC board ass'y
  33      838430088    3TTB+8B(BC),Self-tapping screw             U4    1A928504-1A     NASW-7404-1A,Standby switch PC board ass'y
  51      27212402     Front panel                                U5    1A928505-1A     NAETC-7405-1A,Headphone terminal PC board ass'y
  52      28135244     Badge                                      U6    1A928506-1A     NAETC-7406-1A,Front video PC board ass'y
  53      838430088    3TTB+8B(BC),Self-tapping screw             U7    1A928507-1A     NAETC-7407-1A,Connector PC board ass'y
  54      29110083     Tape cloth                                 U9    1A928509-2A     NAAF-7409-2A, Power amplifier driver PC board ass'y
  55      223024       AC238,Isolated plate                       U10 1A928510-2A       NAETC-7410-2A,Regulator PC board ass'y
  56      260208       Wire tie                                   U11 1A928511-2A       NAETC-7411-2A,Secondary PC board ass'y
 F6901,   252198 or  ! 8A-UL or                                   U12 1A928512-2A       NAETC-7412-2A,Speaker terminal PC board ass'y
 F6902    252261     ! 8A-T/UL-ST2,Fuse                           U13 1A928513-2A       NAETC-7413-2A,PC board for holder
 F901     252198 or  ! 8A-UL or                                   U17 1A928517-2A       NAAF-7417-2A,Power amplifier PC board ass'y
          252261     ! 8A-T/UL-ST2,Fuse                           U19 1A928519-2A       NAPS-7419-2A,Terminal PC board ass'y
 P101     2047151512   NCFC7-151512,Flexible flat cable           U20 1A928520-2A       NAPS-7420-2A,Primary circuit PC board ass'y
 P7001    2045102012   NCFC5-102012,Flexible flat cable           U21 1A928521-2A       NAPS-7421-2A,Terminal PC board ass'y
 P7503    2047081012   NCFC7-081012,Flexible flat cable           U22 1A928522-2A       NAVD-7422-2A,Video terminal PC board ass'y
                                                                  U23 1A928523-2A       NAETC-7423-2A,PC board for holder
                    NOTE: THE COMPONENTS IDENTIFIED BY MARK !     U24 1A928524-2A       NAETC-7424-2A,Thermal detector circuit PC board ass'y




                                                                                                                                                                HT-R500
                           ARE CRITICAL FOR RISK OF FIRE AND      U31 240138A or        ENG06501QR or
                           ELECTRIC SHOCK. REPLACE ONLY WITH
                           PART NUMBER SPECIFIED.                       240134A         TFCE1U114B,Tuner unit
                                                                                                                                                                                                                                                       HT-R500
                            A                                                                                      B                                                                                 C                                                     D
    BLOCK DIAGRAM 1
                                                                                                                                             To/From Main Microrocessor


                                                      BD3811K1
                                                                             FM/AM
                                    80                                       TUNER
                                                                              PACK
                 VIDEO3
1                                   79                                 78



                                                                       77

                                    2                                                                                                                                                                                                              INPUT GAIN
                                                                                                                                                    1                                                                                                    0/6dB
                      CD
                                    1
                                                                                                                                                                                                                                                                69

                                                                                                                   1                                                                                                                          INPUT GAIN
                                    72
              TAPE-1 OUT                                                                                                                            1                                                                                                   0/6dB
                                    71                                                                             1
                                                                                                                                                                                                                                                                66
                                    4
                                                                                                                                                                                                                                              INPUT GAIN
                 TAPE-1 IN
                                    3                                                                                                                                                                                                                      0/6dB

                                                                                                                                                                                                                                                                 43
                                    6

                                                                                                                                                                                                                                                  INPUT GAIN
                                    5
                                                                                                                                                                                                                                                           0/6dB
                                    73                                                                                                                                                                                                                          40
                                    8

2               VIDEO-2 IN          74
                                    7                                                                                                                                                                                                         INPUT GAIN
                                                                                                                                                                                                                                                            0/6dB
                                    76                                                                                                                                                                                                                           30
              VIDEO-1 OUT
                                    75                                                                                                                                                                                                            INPUT GAIN
                                         S                                                                                                                                                                                                                  0/6dB
                                    10
                                                                                                                                                                                                                                                              33
           VIDEO-1 IN
                                    9




                                                                                                                                                                            INPUT ATT
                                                                                                                                                                  -6DB




                                                                                                                                                                                                          23
                                                                                                                                                                                                          21
                                                                                                                                                                                                               26
                                                                                                                                                                                                               25
                                                                                                                                                                                                               28
                                                                                                                                                                                                               27




                                                                                                                                                                                                                                   24
                                                                                                                                                                                                                                   22
                                    12
                                                                                                                                                        1
                DVD                      S
                                    11                                                                                                       18 -1
                                                                                                                                             NC                                                                                                       +7V
                                                                                                                                                                                                                                                      BD3811          +
                                    14                                                                                                                  1                                                               OPAMP
                 MLS/MRS                                                                                                                     20 -1                                                                  9.97K 10K                           -7V           -
                                    13
                                                                                                                                             NC                                                                                                        BD3811

                                    16                                                                                                                                                           50KLPF             10K
                 C/SW                                                                                                                                                                        L
3                                   15                                                                                                                                                                                      10.5dB
                                                                                                                                  17
                                                                                                                                        19
                            P




                                                                                                                                                                                                 50KLPF
                                                                                                                                                                                             R                      10K
                                                                        (1/2)                                                                    AK4586
                                                                       AK4586
                 COAXIAL                                               2CH A/D                                                                                                                                               10K
                                                                        96/24                                                                                                                    50KLPF             9.97K
                                                                                                                                                                                        SL
                                                                                                                                                                                                                          OPAMP
                                                                 DIR                              CS493293
                                                                                                  (MJJ ONLY)                                         96/24
                OPTICAL 1                                                                                                                           6CH D/A
                                                             AK4586                                                                                                                              50KLPF
                                                                                                     DSP                                                                                 SR
                OPTICAL 2                                                          OSC                                                               AK4586
                                                                                                  CS493264
                                                           12.288MHZ
                                                                                                                                                                                                 50KLPF
                                                                                 12.288MHZ
                                                                                                  RST.CS.INTREQ




                                                                                                                                                                                             C
                                                                                                  /CL/DA/SCDO




                                                                                                                                                            RST.CS/CL/DA
                                                                                                                                                            /CDTO/INT1.2.




                                                                                                                                         +2.5V       +5V                                         50KLPF
                                                                                                                                          DSP                                           SW

                                                                                                                                        +3.3V        +5V
                                             CTLA/B




                                                                                                                                       MEMORY

               VIDEO3
                                                                                                                   VMUT1
                                                                                                           VMUT2




4      COMPOSITE VIDEO INPUT                             LA7956

                VIDEO2                                                                                                         COMPOSITE VIDEO OUT                                                                           12.5MHZ

                VIDEO1                                                                                                          MONITOR OUT
                                                                                                                                                                                                                            MAIN
                  DVD                                      6dB                                                                  VIDEO 1                                                                                     MICRO
                                                                                         0dB                                                                                                                                PROCESSOR
                                                                                                                                                                                                                            UPD784225
                                                                                                                                                                                                                            AGC
                        C       Y
                                                        LA7956

     VIDEO 3                                                                                                                                                                                                                            BACK UP

                                                                                                                                                                                                                                     5MHZ
                                                           6dB
                                                                                                                                                                                                                                                     KEY
                                                                                         RN1441




                        C       Y
                                                                                                                                                                                                                            SUBMICRO
      VIDEO 2                                                                                                                                                                                                               PROCESSOR
     S-VIDEO INPUT                                      LA7956                                                                                                                                                               UPD780232
                                                                                                                           C      Y    S-VIDEO OUTPUT                                                                                               FL DISPLAY
                        C       Y                                                                                                                                                                                            GC-8BT
      VIDEO 1                                                                                                                          MONITOR OUT
                                                           6dB
                                                                                                                                                                                                                               STANDBY
                                                                                                                                                                                                           REMOTE

5       DVD
                        C       Y                                                        0dB

                                                                                                                           C      Y
                                                                                                                                                                                                           SENSOR


                                                                                                                                       VIDEO 1
                                                                                         0dB
                                                                                                                                                                                                                                  HT-R500
                               A                                                                B                                                                    C                                                             D
     BLOCK DIAGRAM 2



1
                     MASTER
                     VOLUME
    UT GAIN           0,,-103dB                                                                                                                                   Power Amplifier
       0/6dB               OPAMP OUTPUT GAIN                                                                                                                                                                                      HEADPHONE
                     68                     BASS/TREBLE              BASSBOOST
                                  0-18dB                                             2.2K
              69                                                            55
                                                                                                                                                                     +27dB
                                                                                 47/16
    GAIN
        0/6dB              OPAMP
                     65                   BASS/TREBLE
                                                                                                                                                                                                                                       L
              66               OUTPUT GAIN                                           2.2K
                                   0-18dB                                   57
                                                                                                                                                                     +27dB                                                             R
                                                                                 47/16
    GAIN
                                                                                                                                                                                                                                       C
        0/6dB               OPAMP
                     42
                                        OUTPUT GAIN                                  2.2K
              43                           0-18dB                           38
                                                                                                                                                                     +27dB                                                             SL
     GAIN                                                                        47/16
                                                                                                                                                                                                                                       SR
           0/6dB              OPAMP
                     39
                                        OUTPUT GAIN                                                                                                                                                                                    SPBL
              40
                                          0-18dB                            37       2.2K
2   GAIN                                                                         47/16
                                                                                                                                                                     +27dB                                                             SPBR

           0/6dB              OPAMP
                     31                    OUTPUT GAIN
              30                            0-18dB                          35           2.2K
                                                                                                                                                                     +27dB
                                                                                 47/16
     GAIN
           0/6dB                           OUTPUT GAIN                                                                      C352
                     34    OPAMP                                                                                            104Z
             33                                            OPAMP                                                                   SWPO
                                        0-18dB                                                  R388
                                                  36         15dB
                                                                                         270    100            R385




                                                                                                                                      P351
                                                         Q305
                                                                                 47/16                          100
                                                                                                               OR KRA102S
                                                                                                                   Q306




    +7V
     D3811         +12V                                                                             AMUT


     -7V           -12V
    BD3811




3



                                                                                                                                                                                           SPHP
                                                                                                                                                           VOLTAGE &               PROTE
                                                                                                                                                            CURRENT
                                                                                                                                                                                   CTION
                                                                                                                                                            SENSOR




                                                                                                                                                                                            HPMUT




                                                                                                                                                                                                                          HPDET
                                                                                                                                                                                                          SPCS
                                                                                                                                                                                                                 SPB
                               SELMUT




                                                                                                                                                                                                    SPF
                                                                                                                                                            VOLTAGE
                               SELDA
                               SELCL




                                                                                                                                                            SENSOR
                                                                                                                                                                                   PRO
                                                                                                                                                                  VOLH
                                                                                                                                                   SEC1H




                                                                                                                                                                                                                  POWER
                                                                                                                                                 SEC1H
                                                                                                                                                 CONTROL

                                                                                                                                                                                T902

                                                                                                     +5.6V
                                                                                                    STANDBY
4                                                                                                                                         SEC1H RELAY
                                                                                                                                                                                          FUSE
                                                                                                                                                             +B1H
                                                                                                        -27V
                                                                                                         -VP                                                                                                POWER
                                                                                                                                                                         SEC1
                                                                                                                                                                                   PRI                      RELAY                  AC IN
                                                                                                       +12V                           +B1
                                                                                                       VIDEO                                               +B1L                                                  AC OUTLET
                                                                                                       +12V
                                                                                                                                                                                   T901
                                                                                                       AF/TU                                  RELAY                       SEC2
                                                                                                                                                 +B2
                                                                                                       -12V
                                                                                                        AF

                                                                                                                                                                         SEC3
                                                                                                       +5V
    Y
                                                                                                       DSP/TU

                                                                                                                                                 FLAC
    DISPLAY                                                                                                                                    FL TUBE
                                                                                                                                                 FLAC




5
                                                 RI             RI
                                          INTERFACE
5
                                                                                                                                      4
                                                                                                                                                                                                                                 3
                                                                                                                                                                                                                                                                                                                                                                                                                                                            2
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           1




                                                                                                                                         SP A
                                                                                                                                         S7616




                                                                                                        1.2K
                                                                                                        R7615
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               NADIS-7403




                                                                                                                                                                                                             U7501




                                                                          U4
                                                                                                                                         SP B
                                                                                                                                                                                                           SPS4441E1




                                                                                                                                         S7615
                                                                                                                                                                             S7501
                                                                                                                                                                                                                                                                                                                        UDZ5.1B
                                                                                                                                                                                                                                                                                                                          D7502




                                                                                                         820
                                                                                                                                                                                                                                                                                                                                                                                                      *
                                                                                                                                                                              C7515    C7516                                                                                                                                                                                                         R7582




                                                                                                                                                                                                                                                                                      220K




                                                                                                                                         S7614
                                                                                                                                                                                                                         C7514       100/6.3




                                                                                                                                                                                                                                                                                                  R7505
                                                                                                                                                                                                                                                                                                                                                                                                  100K X 13




                                                                                                               560
                                                                                                                                                                                104Z   104Z




                                                                                                                                         STANDBY




                                                                                                        R7614 R7613
                                                                                                                                                                                                                         C7517        102J




                                                                                                                                                                                                                                                                                                                                         RN2403




                                                                                     NASW-7404
                                                                                                                                                                                                                                                                                                             D7503
                                                                                                                                                                                                                                                                                                                                        *KRA103S
                                                                                                                                     JL7501B




                                                                                                                                                                                                                                                                                                             1SS352
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  A




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    59 F2
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    58 F2




                                                                                                                                                                                                                                                                                                                                                Q7504
                                                                                                                                     JL7501A                                                                                                                                                                                                                                                                                                                                                                                                                        57 NP

                                     S7647               S7637            S7627                                                                               SYSIN                                                                                                                                                                                                                                                                                                                                                                                                 56 NP




                                                                                                                               GND

                                                                                                                      KEY0
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    55 P35
                                                                                                                                                                                                                                                                                                        R7532
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    54 P34
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Display section




                                      AUDIO             TUNING<           FM MODE
                                                                                                                                                                                                                                                                                                              10K
                                     ADJUST                                                                                                                       K0                                                                                                                                                                                                                                                                                                                                                                                                53 P33




                                                                                     R7626




                                                R7646
                                                                  R7636
                                                                                                                                                                  K1                                                                                                                                                                                                                                                                                                                                                                                                52 P32

                                     S7646              S7636             S7626                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     51 P31




                                                2.2K
                                                                  2.2K
                                                                                     2.2K
                                                                                                                                                                                                                       R7520     2.7K




                                                                                                                                                                                                                                                                                         R7507
                                                                                                                                                                                                                                                                                                  R7506
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    50 P30




                                                                                                                                                                                                                                                                                                                                    47K
                                                                                                                                                                                                                       C7508     102J




                                                                                                              



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