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                                                                                                                           DTC-9.8

                                                                                            Ref. No. 4017
                                                                                               July, 2007
           SERVICE MANUAL


      AV CONTROLLER
     MODEL DTC-9.8
                                                         On      Standby
                                                                                                       TV
                                                                                                             Input

                                                        DVD      VCR/ DVR            CBL/ SAT

                                                          1              2                 3                  +
                                                   Game / TV       AUX 1              AUX 2                 TV CH

                                                          4              5                 6                 -
                                                        Tape       Tuner                  CD

                                                          7              8                 9
                                                        Phono                         D.TUN                 TV VOL
                                                        +10              0              Clear
                                                     --/ --- 10         11                        12
                                                              Input Selector
                                                                  Macro
                                                         1               2                  3                Zone 3

                                                                    Remote Mode
                                                        DVD         VCR                   CD                 Zone 2
                                                                                     CDR/MD

                                                         TV       Cable                   Dock               Receiver
                                                                    SAT                                     Tape/AMP
                                                 Dimmer                                                          Sleep

                                                                                        Me
                                                                         M enu                   nu
                                                                  To p


                                                         +
                                                        CH
                                                      Disc                      Enter                         VOL
                                                     Album


                                                         -
                                                                         Gu
                                                                              id e        E it
                                                                                           x
                                                 Prev             Se                              rn
                                                 CH                  tu                     u
                                                                          p             Re t

                                                 Disp la y                                                    M u t in g




                                                         Rec                   Playlist                 Random



                                                                    Listening Mode

                                                        Stereo     Surround

                                                    Repeat         Audio             Subtitle           Play Mode
                                                                   Direct                 THX                All ST



                                                     Test Tone     CH Sel               Level -             Level +

                                                   Open/Close    Video Off
                                                                  Audio Sel          L Night                Re-EQ

                                                                    VCR                   DVD                 HDD


                                                                         RC-691M




                                                 RC-691M

              Black model
B UDD, B MDD 120V AC, 60Hz
B UMA, B MMA 220V~240V AC, 50Hz




 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.
                                                                                                                                                                       DTC-9.8


                                                                                                                                                                    A114
EXPLODED VIEW                                               U26          A094                  U09
                                                                                                                  A112                                              x 6 pcs.
                                                                         x 2 pcs.                                 x 3 pcs.
                                                                  U08
                     A112                                   U10                                                                                                       A410
                             A119
   A118     A113                        A104
   A116                                                                                              T905
                                     A110             A096
A114
x 2 pcs.                                F2501
                                     F2502                                                                  F9301                                         A400
                                     A085                                       A056                    T904
                                     x 2 pcs.                                   x 8 pcs.                                                                A414
                                                                                                                          U20                     A271
                                                                           P2801
                                     P102                                        T903
                                    U12                     U03    U02
                                                                                                                    A109                     A270
                          DD Type                                                   A107                                                     x 2 pcs.
                                                      U13                                                           x 4 pcs.
                                                                          A108
                         A089                                             x 6 pcs.                                   A072                        P7501       A085
      U07                                                                                                                      A137
                                   P205                                                                                                                      x 2 pcs.
                                                                          A090
  A113                             U14 A100                                                                              A137                 A085                    U22
                                                                          U01                                     A261                        x 2 pcs.
                    A132                                         U16 F5003                                  A085
                                   U15                                                                                                 U21          U24
                     A128                                     U05 F5002                                     x 13 pcs.
                                                          U04            F5001                                                                                     A112
                                 A085                                                                                                                              x 3 pcs.
 U27                                                                     F5000                         A142
                                            A098                                                       x 2 pcs.
                      P101                                                                                                                                           A251
  DD Type          A089
                                                                               U25                  A085
                                                                                                    x 4 pcs.                   U17
                    F9000                      A076                       A092
                                A120                                                                     U18                   A259
        P101                                   x 2 pcs.                                 A084                 A085
                                x 4 pcs.                                                                                       U19
    U017                                                                                       A085
                                                                                               x 2 pcs.
MA Type                                                                                                             A085
                                                                                                                    x 2 pcs.
                                                                                                                           A263     A253                              A301
                                                                                                        A087                   A264   A255
                   U06                                                                                                                  A203                          A281
                                                                                           A066
                                A106                                                                                                  A201


                             A070
                             x 4 pcs.                    A084               A112                                           A087




                                                                                                                                                                               DTC-9.8
                             A068                   A085                    x 5 pcs.                    A086      A085
                             x 4 pcs.                                                                             x 5 pcs.   A304
                                                    x 2 pcs.                                                                                            A112
                             A112                                   A078
                                                                    x 3 pcs.                                                                            x 6 pcs.
                             x 4 pcs.
                                                                                                                                                                                                                                           DTC-9.8
                      A                                                                           B                                                             C                                                                          D
                                                                                                                                           Analog Switch Array
    BLOCK DIAGRAMS-1                                                                         AUX 2 IN
                                                                                                                                                Q4029
                                                                                                                                             TC94A46CFG
                                                                     FM                      (FRONT)
    AUDIO SECTION                                                  ANTENNA
                                                                                               R L
                                                                                                                  SETUP MIC

                                                                             TUNER UNIT                                              ch2
                                  AM LOOP
                                  ANTENNA                                    HD RADIO:                                                                                                                                                                    Analo
                                                                             DD Type only
                                                                                                                                                                                                                                                             Q4
                                                                                                                                     ch1                                                                                                                    NJU
1                                                                                                                 Q4304 NJU7312A
                                                                                                                   Analog Switch
                                                                                                                                                                   MAIN A

                                                                                                                                                                                                                                                          MAIN L

                       DD Type Only
                                                            XM                                                                       ch6                           MAIN B                                                                                 DAC FL
                                                                                                                                                                                                                                                          MIX L
                                                            Sirrus
                                                                                                                                                                                                                                                          MAIN R
                                                                      L                                                                                                                                                                                   DAC FR
                                                             CD                                                                      ch4                                                                                                                  MIX R
                                                                      R
                                                                                                                                                                                                                                                          MCH C




                                                                                                                                                                                                     -6dB
                                                                                                                                                                                                            -6dB
                                                                                                                                                                                                                                                          DAC C
                                                                      L                                                                                                                          L
                                       PHONO                                                    RIAA                                 ch3                                                                     R
                                                                      R                                                                                                                                                                                  MCH SW
                                                                                                                                                                                                                                                         DAC SW
                                                                      L
                                                            TAPE                                                                     ch7
                                                                      R                                                                                             Z2
                                                                                                                                                                                                                                                         MCH SL
                                                                                                                                                                                                                                                         DAC SL




                                                                                                                                                                                                     0dB
                                                                                                                                                                                                            0dB
                                                                      L
                                 TAPE OUT                                                                                            ch5
                                                                                                                                                                                                                                               MCH SR
                                                                      R
2                                                                     L
                                                      AUX 1                                                                          ch8
                                                                      R
                                                                                                                                                                    Z3
                                                                      L
                                  GAME/TV                                                                                            ch9
                                                                      R




                                                                                                                                                                                                                   Analog Switch
                                                                                                                                                                                                                    NJU7313A
                                                                                                                                                                                                                      Q4305
                                                                                                                                                                                                 Video REC
                                                                                                                                   ch10


                                                                      L
                                  CBL/SAT                                                                                          ch11
                                                                      R
                                                                      L
                            VCR/DVR OUT                                                                  Q4305                     ch12                                                                                                                            N
                                                                      R                                  NJU7313A




                                                                                                                                                                                                                                         MCH_SBR
                                                                                                                                                                                                                                         MCH_SBL
                                                                                                                                                                                                                                         DAC_SBR
                                                                                                         Analog Switch




                                                                                                                                                                                                                               DAC SW2




                                                                                                                                                                                                                                         DAC_SBL


                                                                                                                                                                                                                                         MCH_SW

                                                                                                                                                                                                                                         MCH_SR
                                                                                                                                                                                                                               DAC CT2




                                                                                                                                                                                                                                         DAC_SW




                                                                                                                                                                                                                                         MCH_CT

                                                                                                                                                                                                                                         MCH_SL
                                                                                                                                                                                                                                         DAC_SR
                                                                                                                                                                                                                                         DAC_FR
                                                                                                                                                                                                                                         DAC_CT

                                                                                                                                                                                                                                         DAC_SL
                                                                                                                                                                                                                                         DAC_FL
                                                                      L




                                                                                                                                                                                V_OUT_R
                                                                                                                                                                                V_OUT_L
                               VCR/DVR IN                                                                                          ch14
3                                                                     R
                                                                      L
                                                            DVD                                                                    ch13
                                                                      R
                                                                FL
                                      MULTI CHANNEL INPUT




                                                                FR
                                                                  C
                                                               SW

                                                                SL
                                                               SR
                                                              SBL
                                                              SBR
4                                                             HDMI BOARD                                                                            I2S
                                                              NAHDM-9114
                                                               SD-11 to 15
                                                                                                                                                                         -6dB



                                                                                                                                                                                          -6dB




                                                                                                                                                    I2S/DSD

                                                                                            I2S (DVD audio,etc)
                               IN 1-4
                                                                          HDMI                                            TC74VHC157FT
                    HDMI                                                   I/F      SPDIF         DSD
                              OUT                                                                                         MULTIPLEXER
                                                                                            Q3001                                                                                         DSP BLOCK
                            MAIN,SUB                                                    TC74VHC157FT                                                                                      SD-6 and 7
                                                                                                                                                                1st DSP Q3401: TMS320D790E001BZDH275 or
                             OPTICAL IN 1                                                                                                                                      TMS320D710E001BZDH275
                                                                                                                                                                               (SD-10)
                             OPTICAL IN 2                                                                                FLASH ROM                                                                                                                        I2S
                                                                                                                                                                2nd DSP Q3501: TMS320D788E001BRFP266 or
                                                                                                                                                                               TMS320D708E001BRFP266
                               DIGITAL IN                                                                                                                                                                                                                DSD
                                                                                                                                                                               (SD-11)
                                 (FRONT)
                                                                                                                                                                3rd DSP Q3601: TMS320D707E001BRFP250
                             OPTICAL OUT                                                                                    SD_RAM
                                                                                                                                                                               (SD-11)

5                               COAX IN 1
                                                                                                                                                          RX0
                                COAX IN 2                                                                                                                                                                                                         ADC
                                COAX IN 3
                                                                                                                                                          RX5
                                                                                                                                                          RX6
                                                                                                                                                          RX7
                                                                                                                                                                                                                                                   DIR

     
     Refer to SCHEMATIC DIAGRAM-5 and -19 (SD-5 and SD-19)                                                                                                                                                                                          Q3041
     for digital audio signal flow waveforms.                                                                                                                                                                                                      CS42516
                                                                                                                                                                                                                                     DTC-9.8
                                          E                                                                         F                                                                        G                             H



                                                                                                                                                          HEADPHONES
Analog Switch               Volume
  Q4304                    Q4405
 NJU7312A                  CS3318
                                                                                                                                                                                       BALANCE TERMINAL BOARD    BALANCE
                                                                                                                                                                                       NATRM-9108 SD-18          PRE OUT
AIN L
AC FL                                                                                                                                                                                  FL
IX L                                      FL
                                                                                                                                                                                                                 FRONT L
AIN R
AC FR
IX R                                      FR                                                                                                                                           FR
                                                                                                                                                                                                                 FRONT R
CH C
AC C
                                          C                                                                                                                                            C
                                                                                                                                                                                                                 CENTER
H SW
 SW
                                                   SW                                                                                                                                  SW
                                                 +20dB
                                                                                                                                                                                                                 SW
CH SL
 C SL                                     SL                                                                                                                                           SL
                                                                                                                                                                                                                 SURR L

                                          SR                                                                                                                                           SR
                                                                                                                                                                                                                 SURR R
                                          SBL                                                                                                                                          SBL
                                                                                                                                                                                                                 SURR BACK L

                                                                                                                                                                                       SBR
                                                                                                                                                                                                                 SURR BACK R

                                                                                                                                                                                       L
                                          SBR
                                                                                                                                                                                                                 L
                                                                                                                                                                                                                        BALANCE
                                                                                                                                                                                       R                                INPUT
                                                                                                                                                                                                                 R

         Q4306
        NJU7311A Analog Switch                                                                                                                                                                                       PRE OUT

                                                                 .                                                                                                                                               L
                                            0dB FIX                                                                           ZONE2 PRE OUT/LINE OUT                                                                  FRONT
                0dB FIX                                                                                                                                                                                          R
                           TONE
                                                                                                                                                      L
                                                                                                                                                                                                                 CENTER
                                            0dB FIX
                                                                                                                                                      R
                0dB FIX    TONE                                                                                                                                                                                  SUBWOOFER
                                                                                                                                                      SW
                                                                                                                                                                                                                 L
                                                                                                                                                                                                                        SURR
                                                                                                                              ZONE3 PRE OUT/LINE OUT                                                             R

                                                                                                                                                      L                                                          L    SURR
                                                                                                                                                                                                                 R    BACK
                                                                                                                                                      R
                                                                                                                                                      SW                                      NAVD-9052 SD-3
          Q4204 R2S15211FP
          Audio Selector, Volume, Tone                                                                                                                                                                           12V TRIGGER OUT A
                                                                                                                                                                                                 12V TRIGGER
                                                                                                                                                                                                  CONTROL
                                                                                                                                                                                                                 12V TRIGGER OUT B

                                                                                                                                                                                                                 12V TRIGGER OUT C
                                                                                                                                                                          SW2
                                                                                                                                         SBR
                                                                                                                      SBL
                                                                     SW




                                                                                                       SR
                              FR




                                                                                                                                                        C2
                                                                                    SL




                                                                                                                                                                                                                 IR IN A
                                              C
           FL




                                                                                                                                                                                                    IR
                    +6dB




                                   +6dB




                                                    +6dB




                                                                          +6dB




                                                                                         +6dB




                                                                                                            +6dB




                                                                                                                            +6dB




                                                                                                                                               +6dB




                                                                                                                                                             +6dB




                                                                                                                                                                                +6dB




                                                                                                                                                                                                  REMOTE         IR IN B
                                                                                                                                                                                                  SENSOR
         VLSC



                            VLSC



                                          VLSC



                                                               VLSC



                                                                                 VLSC



                                                                                                    VLSC



                                                                                                                   VLSC



                                                                                                                                       VLSC



                                                                                                                                                      VLSC



                                                                                                                                                                        VLSC




                                                                                                                                                                                                                 IR OUT

                                                                                                                                                                                              NADG-9074 SD-5
                                                                                                                                                                                                     RI
2S                                                                                                                                                                                               INTERFACE       RIex
                   Q3701                            Q3721                                 Q3741                              Q3761                            Q3781
SD                PCM1796                          PCM1796                               PCM1796                            PCM1796                          PCM1796
                                                                                                                                                                                               Q3031 ICL3221E
                    DAC                              DAC                                   DAC                                DAC                              DAC                                RS232
                                                                                                                                                                                                INTERFACE        RS232
                                                           .




                                                                                                .




                                                                                                                                   .




                                                                                                                                                                    .




                                                                                                                                                                                                   Q7001
                                                                                                                                                                                                M3087BFKBGP
                                                                                                                                                                                           MAIN MICROPROCESSOR

                                                  TC74VHC157FT                      MULTIPLEXER
                                                                                                                                                                                           E-CONTROL BOARD
                                                                                                                                                                                           NALAN-9079 SD-17      ETHERNET
                                                                                                                                                                                                                 (E-CONTROL)
 6
                                                                                                                                                                           DTC-9.8
                   A                                             B                                                       C                                                 D
    BLOCK DIAGRAMS-2
    VIDEO SECTION


1

                                             VIDEO BOARD
                COMPONENT VIDEO              NAVD-9052 (SD-3)                                                                              Video Switch
                                                                                                                                              Q2201                                C-DET
                                    Y                                                                                                       NJW1321
                                                                                                                                                                .                  MMP
                           IN 1     CB                                                                                                              6dB
                                                                                                                                                                      Y
                                                                                                                                                                .

                                    CR                                                                                                              6dB


                                    Y
                                                                                                                                                                .

                           IN 2     CB                                                                                                              6dB               CB
                                                                                                                                                                .

                                    CR
2                                                                                                                                                   6dB


                                    Y
                                                                                                                                                                .

                           IN 3     CB                                                                                                              6dB               CR
                                                                                                                                                                .

                                    CR                                                                                                              6dB
                                                                                                         Video Amp
                                                                                Q2006-2011              Q2012,Q2013
                                                                                 74HC4051                NJM2587
                                                                                                                                                                               HDAPY
                                                                                                                                                                                           Y
                COMPOSITE VIDEO
                                                                                         MAIN                                                                                  HDAPB
                                                                                                  LPF(12MHz)                                                                               CB
                                                                                                                   6dB     DRV
                                  DVD
                                                                                                                                                                               HDAPR
                                                                                                                                                                                           CR

                            VCR/DVR

                            CBL/SAT                                                          Z2
                                                                                                  LPF(6MHz)
3                                                                                                                  6dB     DRV


                            GAME/TV

                              AUX 1

                              AUX 2
                             (FRONT)



                   S VIDEO INPUT                                                         MAIN
                                                                                                  LPF(12MHz)
                                         C   Y                                                                     6dB     DRV

                                                                                                                                        S-DET
                             DVD
                                         C   Y
                                                                                                                                        MMP
                           VCR/DVR
                                                                                         Z2
                                                                                                  LPF(6MHz)
                                         C   Y                                                                     6dB     DRV
                           CBL/SAT
4                                                                                                                                      Z2 S-DET
                                         C   Y

                           GAME/TV
                                                                                                                                        MMP
                                                                                         MAIN
                                         C   Y                                                     LPF(12MHz)
                            AUX 1                                                                                    6dB       DRV


                                         C   Y

                            AUX 2
                           (FRONT)
                                                                                             Z2
                                                                                                  BPF(140K-6MHz)
                                                                                                                         6dB     DRV                      6dB       DRV


                                                                                                                                                   Q2014
                                                                                                                                                  MM1512
                                                                                                                                                  Y/C Mix

                                             NOTE
                                             MMP is short for MAIN MICROPROCESSOR.


5

     
     Refer to SCHEMATIC DIAGRAM-3, 13, 14 and 19 (SD-3, SD-13, SD-14 and SD-19)
     for video and HDMI signal waveforms.
                                                                                                                                                                                  DTC-9.8
                                                         E                                                           F                       G                            H




                                                                                                        Video Amp
                                                                                                          Q2206                                                 COMPONENT VIDEO
                                                                                                        NJM2586A               100MHz -3dB
                                                                                                                                                         Y
                                                                                                                         6dB
                                                                                                                                                         CB       MONITOR OUT 1
                                                                                                                         6dB

                                                                                                                         6dB
                                                                                                                                                         CR
                                                                                                                  VMUT
                                                                                                                         MMP

                                                                                                   Q2207 NJM2586A 100MHz -3dB                            Y
                                                                                                                         6dB                                      MONITOR OUT 2
                                                                                                                                                         CB        / ZONE 2 OUT
                                                                                                                         6dB
               HDBPY




                                                                                                                         6dB
                                         HDBPB
                           HDBPB




                                                                                                                                                         CR
                                                                                                                  VMUT




                                                                                                                         MMP
                                                 CR
                                    CB
                       Y




                                                          24MHz MAX
                                                                                                           Video Amp
                                                                                                          Q2012,Q2013
             HDMI BOARD                                                                                    NJM2587
             NAHDM-9114                                                        12MHz MAX
Y
           (SD-11 TO SD-15)                                                        CVBS
                                                                                           HDBCV
                                                                                                     LPF(12MHz)
                                                                                                                         6dB         DRV
CB                                                                                         HDBSC
                                                                                      Y              LPF(12MHz)
                                                                                                                         6dB         DRV
                                                                                           HDBSY
CR                                                                                    C              LPF(12MHz)
          



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