MHC-V3, MHC-V4D - Sony Audio Service Manual (repair manual). Page 3

  .............................................   4

2-1.   Disassembly Flow ...........................................................   9
2-2.   Side L, R Panel ...............................................................   10
2-3.   Top Panel Block ..............................................................   10
2-4.   Loading Panel Block .......................................................   11
2-5.   CDM Block .....................................................................   12
2-6.   Back Panel Block ............................................................   13
2-7.   TUNER Board ................................................................   14
2-8.   ARAGON Board .............................................................   15
2-9.   DAMP Board ..................................................................   16
2-10.  Chassis Block ..................................................................   17
2-11.  Bluetooth Module, SMPS Board ....................................   18
2-12.  Front Panel Block ...........................................................   19
2-13.  RC-S801/A5 (WW), SPEAKER LED Board,

IR Board, Front Panel Assy ............................................   20

2-14.  Loudspeaker (20 cm) (Woofer) (SP5) .............................   21
2-15.  Loudspeaker (8 cm) (Mid: L-ch) (SP1),

Loudspeaker (8 cm) (Mid: R-ch) (SP3) ..........................   22

2-16.  Service, Optical Device(7G), Wire (Flat Type) ..............   23
2-17.  Volume Knob Block ........................................................   24

TEST  MODE 

 ............................................................   25

ELECTRICAL  CHECK 

 .........................................   31

5. TROUBLESHOOTING 

 ..........................................   33

6-1.  Block Diagram - CD/USB Section - ...............................   39
6-2.  Block Diagram - MAIN Section - ...................................   40
6-3.  Block Diagram - AMP Section - .....................................   41
6-4. Block 

Diagram 

 

- PANEL/POWER SUPPLY Section - ............................   42

6-5. Printed 

Wiring 

Board 

 

- ARAGON Board (Component Side) - ..........................   44

6-6.  Printed Wiring Board  
 

- ARAGON Board (Conductor Side) - ...........................   45

6-7.  Schematic Diagram - ARAGON Board (1/6) - ...............   46
6-8.  Schematic Diagram - ARAGON Board (2/6) - ...............   47
6-9.  Schematic Diagram - ARAGON Board (3/6) - ...............   48
6-10.  Schematic Diagram - ARAGON Board (4/6) - ...............   49
6-11.  Schematic Diagram - ARAGON Board (5/6) - ...............   50
6-12.  Schematic Diagram - ARAGON Board (6/6) - ...............   51
6-13.  Printed Wiring Board - PANEL Board - .........................   52
6-14.  Schematic Diagram - PANEL Board - ............................   53
6-15.  Printed Wiring Board -

DAMP Board - ..........................   54

6-16.  Schematic Diagram -

DAMP Board - .............................   55

6-17.  Printed Wiring Board - TUNER Board - ........................   56
6-18.  Schematic Diagram -

TUNER Board - ...........................   57

6-19.  Printed Wiring Board -

USB Board - ..............................   58

6-20.  Schematic Diagram -

USB Board - ................................   58

6-21.  Printed Wiring Board -

MIC Board (V4D) - ..................   58

6-22.  Schematic Diagram -

MIC Board (V4D) - .....................   59

6-23.  Printed Wiring Board -

IR Board - .................................   60

6-24.  Schematic Diagram -

IR Board - ....................................   60

6-25.  Printed Wiring Board -

SPEAKER LED Board - ...........   60

6-26.  Schematic Diagram -

SPEAKER LED Board - ..............   60

7-1.  Side Panel Section ..........................................................   76
7-2.  Loading Panel Section ....................................................   77
7-3.  Back Panel Section .........................................................   78
7-4.  ARAGON Board Section ................................................   79
7-5. Chassis 

Section 

...............................................................  80

7-6.  Front Panel Section .........................................................   81
7-7.  Speaker Cabinet Section .................................................   82
7-8.  Top Panel Section ...........................................................   83
7-9.  CDM Block Section ........................................................   84
7-10.  CD Mechanism Section

(CDM90-DVBU204//M) ................................................   85

  ..............................   86

Accessories are given in the last of the electrical parts list.