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dc08fma


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    R :TO POWER SUPPLY/RF SECTION
    S :TO SYSTEM CONTROL & SERVO SECTION                                    AUDIO MAIN SIGNAL PATH IN REC MODE                                                                                              AUDIO MAIN SIGNAL PATH IN PLAYBACK MODE
    V :TO LUMINANCE & CHROMINANCE/AUDIO SECTION
    I :TO INPUT/OUTPUT SECTION                                                           A4                                                                                                                              A1                       A2             A3                                                                                                                                                     A4
                                                                                                                               L4502                                                                                                                                                                                                                                                                                                                                                                                                   R4521
    D :TO DECODER SECTION                                                                                                      1.2u                                                                                                                                                                                                                                                                                                                                                                                                    4700


                                                                                                                                                     C4525            C6526
                                                                                                                                                     6V100            0.1                                                                                                                                                                                                                                                                                                                                                      R4522           C4524    C4523
G                                                                                                        QR4501                                                                                                                           C4529          R4526        R4525                                                                                                                     R4524                         R4523                                                          C4522         C4521
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               510             0.047    10V33
                                                                                                         UN2113                                                                                                                           16V10          1K           1K                                                                                                                        30K                           1K                                                             16V10         6V22
                                                                                                         (BUFFER)
                                                                                                     0               -0.3
                                                                                                                                                                                  2.5                 2.5     4.7          1.5          3.2         2.8            2.9                                                        4.9                                0                          1.7                           0                                 2.4                           0.6          2.5
                                                                        QR4503
                                                                                                                                                                                48                  47      46           45           44          43             42                           41                            40                                 39       38                37                            36                                35                            34           33                                       R4520
                                                                        XN0121600L




                                                                                                                                                                                                                         VCO-




                                                                                                                                                                                                                                                                                                                            VCC




                                                                                                                                                                                                                                                                                                                                                                        GND(R)



                                                                                                                                                                                                                                                                                                                                                                                      REC AGC




                                                                                                                                                                                                                                                                                                                                                                                                                   CONTROL
                                                                        (MUTE)                                                                                                                                                                                                                                                                                                                                                                                                                                                                120K




                                                                                                                                                                                                                         FO




                                                                                                                                                                                                                                                                                                                                                                                                                   MUTE
                                                                    0




                                                                                                                                                                                                                                                                                                                                                                                      ADJ.
      S   MUTE H                                                        2
      S   SYS IIC CLOCK                               A3                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      C4520
                                                                                              -0.3
      S   SYS IIC DATA                                A2                                 3                                                                0.2                                                                                                                                                                                                                                                                                                                                                                 2.5             0.015
      V   FSC                                         A1                                                                                                         49                                                                                 IIC BUS                                                                                                                                                                                                                 PNR RCH                                      32
                                                                                                                                                                                                                                                    INTERFACE
                                                                                         4
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              C4519
                                                                                         5                                                                                                                                                                                                                                                                                                                                                                                                                                 1.7                0.22
                                                                                                                                                          0.5
                                                                                              -0.3
                                                                                                                                                                 50                                                                                                                                                                                                              AGC &                                                                                                                          REC AGC 31 (1.0)
                                                                                                                                                                                                                                                                                                                                                                                 SWITCH                                                                                                                         DET
                                                                        1
                                                                    0
                                                                                                                                    R4533        C4530                                                                                                                                                                                                                                                                                                                                                                                        R4519     R4527
                                                                                                                                    220          16V10                                                                                                                                                                                                                                                                                                                                                                        1.7             820       22K
                                                                                                                                                          6.0                                                                                                                                                                                                                                                                                                                                                                 (4.1)
                                                                                                                                                                                                  SWITCH
F     I   AV2 A OUT (R)                                                                                                                                          51                               RCH                                                                                                                                                                                                                                                                                                                    30
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        TW4502
                                                                                                                                    R4531        C4531                                                                                                                                                                                                                                                                                                                                                                                                                           D4502
                                                                                                                                    220          16V10                                                                                                                                                                                                                                                                                                                                                                        1.8                                                MA165
                                                                                                                                                          6.0                                                                                                                                                                                                           FM                                                                                                                                                    (4.3)
      I   AV2 A OUT (L)                                                                                                                                          52                               SWITCH                                                                                                                                                                MODULATOR/                                                                                                                                       29                                                              B12
                                                                                                                                                                                                  LCH                                                                                                                                                                   DEMODULATOR                                                                                                                                                                                     TL4503
                                                                                                                                    R4535        C4532
                                                                                                                                    220          16V10    6.0                                                                                 OUTPUT                                                                                                                                                                                                                                                                          4.2
      I   AV1 A OUT (R)                                                                                                                                          53                                                                           SELECT                                                                                                                                                                                                                                                            ENV.DET 28                                                               B11
                                                                                                                                                                                                                                              SWITCH                                                                                                                                                                                                                                                            OUT
                                                                                                                                                                                                                                              RCH                                                                                                                                     LPF                                                                                                                                                                               TW4511
                                                                        QR4504
                                                                        XN0121600L                                                                                                                                                                                                                                                                                                                                                                                                                                            2.4
                                                                        (MUTE)                                                                               0                                                                                                                                                                                                                                                                                                                                                                (0)
                                                                                                                    C4544                                        54                                                                                                                                                                                                                                                                                                                                                      27                                                              B10
                                                                    0                                               100P
                                                                        2                                                                                                                                                                                                                                                                                               BPF
                                                                                              -0.3                                                                                                                                                                                                                                                                                                                                                                                                                                    C4517
                                                                                         3                                                                                                                                                                                                                                                                                                                                                                                                                                 0          0.1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    REC 26 (2.0)
E                                                                                        4
                                                                                                                                                                 55 GND                                                           +
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    DC2


                                                                                         5                                                                   0                                                                                                                                                                                                          BPF                                             +                            AGC                                                                      4.9
                                                                                              -0.3                  C4545
                                                                                                                    100P                                         56                                                                                                                                                                                                                                                                                                                                                 VCC 25
                                                                        1
                                                                    0
                                                                                                                                    R4538        C4533                                                                                                                                                                                                                                                                                                                                                                                                          C4514
                                                                                                                                    220          16V10                                                                                        OUTPUT                                                                                                                                  LPF                                                                                                                                     0.7                               0.01
                                                                                                                                                          6.0                                                                                                                                                                                                                                                                                                                                    PREAMP                       (2.0)
      I   AV1 A OUT (L)                                                                                                                                          57                                                                           SELECT                                                                                                                                                                                                                                               &                     24                                                              B9
                                                                                                                                                                                                                                              SWITCH                                                                                                                                                                                                                                             SWITCH
                                                                                                                                                                                                                                              LCH
                                                                               L4503
      R   PS 5V                                                                10u                                                                       12.3                                                                                                                                                                                                           FM
      R   PS 12V                                                                                                                                                 58 VCC2                                                                                                                                                                                                MODULATOR/                                                                                                                                  GND 23
      R   GND                                                                                                                                                                                                                                                                                                                                                           DEMODULATOR
                                                                                              C4539         C4534
                                                                                              0.1           16V47           R4543                C4535                                                                                                                                                                                                                                                                                                                                                                                                          C4511
                                                                                                                            220                  16V10                                                                                                                                                                                                                                                                                                                                                                        0.7                               0.01
                                                                                                                                                          6.0                                                                                                                                                                                                                                                                                                                                                                 (2.0)
D                                                                                                                                                                59                                                                                                                                                                                                                                                                                                                                                      22
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   TW4501
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         B8
                                                                                                                             R4537                                            DET
                                                                                                                             10K                 C4536
                                                                                                                                                 16V22                                                                                                                                                                                                                                                                                                                                                                        0
                                                                                                                                                          0.7                                                                                                                                                                                                                                                                                                                                                                 (1.8)
                                                                                                                                                                 60                                                                                                                                                                                                                                                                                                                                                      21                                                              B7

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       C4509
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              0        0.033
                                                                                                                                                          2.4                                     NORMAL                                                                                                                                                                                                                                                                                                                      (1.9)
      V   AUDIO IN (N)                                                                                                                                           61                               OUTPUT                                                                                                                                                                                                                                                                                                                 20
                                                                                                                                                                                                  SWITCH
                                                                                                                            R4540                C4538                                                                                                                                                                                                                                                                                                                                                                                 C4508
                                                                                                                            22K                  0.1      2.4                                                                                                                                                                                                                                                                                                                                                                 2.5      0.015
      V   AUDIO OUT (N)                                                                                                                                          62                                                                                                                                                                                                                                                                           AGC &                                                                      19
                                                                                                                                                                                                                                                                                                                                                                                                                                              SWITCH
                                                                                                                                         R4539
                                                                                                                                         3600                                                                                                                                                                                                                                                                                                                                                                                          C4507
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              2.5      16V22
                                                                                                                                                             0                                                                                                                                                                                                                                                                                                                                       PNR
C     R   RFC AUDIO OUT                                                                                                                                          63
                                                                                                                                                                                                                                                                        INPUT SWITCH RCH                                                                                                         INPUT SWITCH LCH
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     LCH                 18

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       C4506
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              0.5      16V10
                                                                                                                                                             0
                                                                              QR4502                                    0                                        64                                                                                                                                                                                                                                                                                                                                                      17
                                                                              UN2113
                                                                            0 (BUFFER)          -0.4                        QR4507
      S   RFC MUTE H                                                                                                        UN2216




                                                                                                                                                                                                                                                  VREF




                                                                                                                                                                                                                                                                                                                                                                        GND
                                                                                                                            (MUTE)




                                                                                                                                                                                                                                                                                                                                                                        (L)
                                                                                                                                                     IC4501                         1               2       3             4           5           6              7                            8                             9                                  10       11                12                            13                                14                            15           16
                                                                                                                                                     AN3656NFBPBV                       2.3             0       2.3           0           0            2.4           2.0                          0                             0                                   0                          2.0                           0                                 0                             0            2.4


                                                                                                                                                                                         C4540                   C4541                                   C4501        C4502                                                                                                                     C4503
                                                                                                                                                                                         0.1                     0.1                                     16V10        16V10                                                                                                                     16V10
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       C4504                                C4515
B                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      0.047                                6V100
      D   TUNER AUDIO (R)                             B1                                                                                                                                                                                                                                                                                                                                                                                                                                                   R4518
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           4700
      I   AV1 A IN (R)                                B2
      I   AV2 A IN (R)                                B3                                                                                                                                                                                                                                                                                                                                                                                                                                                               R4517
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       510
      D   TUNER AUDIO (L)                             B4
      I   AV1 A IN (L)                                B5                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    C4516
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            0.1
      I   AV2 A IN (L)                                B6
      V   AUDIO HEAD COM                              B7                                                                                                                                                                                                                                                                                                                                                                                                                                                               C4505



                                                                                                                                                                                                                                                                                                   R4508 4700



                                                                                                                                                                                                                                                                                                                                  R1509 4700




                                                                                                                                                                                                                                                                                                                                                                                                                             R4511 4700



                                                                                                                                                                                                                                                                                                                                                                                                                                                               R4512 4700
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       10V33
                                                                                                                                                                                                                                                                      R4507 15K

                                                                                                                                                                                                                                                                                  R4504 30K



                                                                                                                                                                                                                                                                                                                R4514 56K



                                                                                                                                                                                                                                                                                                                                                   R1516 56K




                                                                                                                                                                                                                                                                                                                                                                                                R4510 15K

                                                                                                                                                                                                                                                                                                                                                                                                            R4503 30K



                                                                                                                                                                                                                                                                                                                                                                                                                                              R4513 56K



                                                                                                                                                                                                                                                                                                                                                                                                                                                                            R4515 56K
      V   AUDIO HEAD R                                B8
      V   AUDIO HEAD L                                B9
      S   A.HEAD SW                                   B10
      S   ABS NORMAL H                                B11
      S   D.FM REC H                                  B12
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                L4501
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                1.2u
A
                                                                                                                                                                                                                                                                                              B1                            B2                                 B3                                                       B4                                B5                            B6



    NOTE:THE MEASUREMENT MODE OF THE DC VOLTAGE IN THE BRACKETS( )ON THIS DIAGRAM IS RECORD MODE                               THE MEASUREMENT MODE OF THE DC VOLTAGE OUT OF THE BRACKETS ON THIS DIAGRAM IS PLAYBACK MODE                                                                                                                           NOTE:DO NOT USE ANY PART NUMBER SHOWN ON THIS                                                                                                                   NV-HV65EC,HV60EB/EBL/EC/EP,HV55EC,HV50EC
                                                                                                                                                                                                                                                                                                                                                          SCHEMATIC DIAGRAM FOR ORDERING.WHEN YOU
         WITH PAL COLOUR SIGNAL.(SP MODE)                                                                                      WITH PAL COLOUR SIGNAL.(SP MODE)
                                                                                                                                                                                                                                                                                                                                                          ORDER A PART,PLEASE REFER TO PARTS LIST.                                                                                                                   Hi-Fi AUDIO SECTION SCHEMATIC DIAGRAM
               1                                  2                            3                                                     4                                                        5                                               6                                                                                                7                                                                                          8                                                                            9                   10



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