Sony RMT-V256 Service Manual Download Page 2

Page: 2 / 12

SLV-SE10/SE20/SE25/SE30/SE40/SE45/SX10/SX25/SX40

4-7

4-8

MA-338 (1/9) (REC/PB) SCHEMATIC DIAGRAM

— Ref. No. MA-338 Board:1,000 Series —

For schematic diagram
• Refer to page 4-5 for printed wiring board.
• Refer to page 4-2 for waveforms.

REC/PB

MA-338 (1/9)

FI-15

(LINE2- IN)

DM-84
(TAPE OPERATION)

MA-338
VIDEO, AUDIO,
SERVO/SYSTEM CONTROL,
TUNER, POWER SUPPLY

2.2K:40,45,X40

1.5K:20:EX,VX/25:CP,VC/30:EXCEPT EE/X25

4.7K;40,45,X40

5.6K;20/25/30/X10/X25

1K:10/20:VP1,VP2,/25B/30:EE/X10

40,45,X40 MODEL

40,45,X40

10/20/25/30/X10

Summary of Contents for RMT-V256

Page 2: ... to page 4 5 for printed wiring board Refer to page 4 2 for waveforms REC PB MA 338 1 9 FI 15 LINE2 IN DM 84 TAPE OPERATION MA 338 VIDEO AUDIO SERVO SYSTEM CONTROL TUNER POWER SUPPLY 2 2K 40 45 X40 1 5K 20 EX VX 25 CP VC 30 EXCEPT EE X25 4 7K 40 45 X40 5 6K 20 25 30 X10 X25 1K 10 20 VP1 VP2 25B 30 EE X10 40 45 X40 MODEL 40 45 X40 10 20 25 30 X10 9 13 22 ...

Page 4: ...4 5 for printed wiring board 4 11 4 12 AUDIO MA 338 3 9 C B A X0 X1 X Y VDD VSS VEE INH Z0 Z Z1 Y0 Y1 OUT3 IN3 IN3 VEE IN4 IN4 OUT4 OUT2 IN2 IN2 VCC IN1 IN2 OUT1 SURR AMP 470 3 3 3 3 3 3 3 3 3 3 5 0 0 6 5 3 3 4 3 4 3 4 3 3 3 3 3 3 3 10 20 30 EE EXCEPT 40 EE EG X40 25 30 40 B CP VC1 VC2 45 X25 19 SUR 13 22 Q870 SURR CONT Q871 BIAS AMP Q590 591 MUTE 9 17 ...

Page 6: ... SE40 SE45 SX10 SX25 SX40 MA 338 5 9 DISPLAY SCHEMATIC DIAGRAM Ref No MA 338 Board 1 000 Series For schematic diagram Refer to page 4 5 for printed wiring board Refer to page 4 2 for waveforms 4 15 4 16 DISPLAY MA 338 5 9 4 9 ...

Page 7: ... No MA 338 Board 1 000 Series 4 17 4 18 INPUT OUTPUT MA 338 6 9 10 30 EE EXCEPT 40 EE X10 X40 10 20 30 EE EXCEPT 40 EE EG X40 10 30 40 EXCEPT EE 150 10 20 UX VP1 VP2 25 CP VC 30 EE UX 40 EE EG 45 UX X10 X25 X40 180 20 EX 25 B 30 CP VC1 VC2 40 B CP VC1 VC2 45 CP VC 22 10 19 13 12 Q801 804 AV LINC I O INTERFACE BUFFER SWITCH Q510 BUFFER Q501 502 AV CONT BUFFER ...

Page 8: ...hematic diagram Refer to page 4 5 for printed wiring board 4 19 4 20 TUNER MA 338 7 9 5 8 5 1 5 7 10 EE 30 EE 40EE 10 30 40 EXCEPT EE 10 30 40 EXCEPT EE EXCEPT B EE EG UX VP1 VP2 25 B 40 B 10 AE1 AE2 20 VP1 VP2 25 CP VC X25 10 EE EG 30 EE 40 EE EG X10 X40 9 9 9 9 9 17 13 11 Q750 5V REG Q751 752 SW BTF 3MU604 20UX 30UX 45UX ...

Page 9: ...oard 1 000 Series 4 22 POWRT SUPPLY MA 338 8 9 For schematic diagram Refer to page 4 5 for printed wiring board 13 6 13 6 13 6 0 7 0 8 12 9 5 8 5 8 5 8 6 5 6 5 11 1 B CP VC VC1 VC2 13 7 12 4 8 13 7 12 4 8 5 8 5 8 11 1 11 1 0 5 5 8 10 4 B CP VC VC1 VC2 50V B 16V 11ES2 315mA Q607 608 C VCC SW 17 9 8 13 19 491 315 ...

Page 10: ... SE45 SX10 SX25 SX40 MA 338 9 9 SECAM VIDEO SIGNAL PROCESSOR SCHEMATIC DIAGRAM Ref No MA 338 Board 1 000 Series For schematic diagram Refer to page 4 5 for printed wiring board 10 SECAM VIDEO SIGNAL PROCESSOR MA 338 9 9 4 23 4 24 ...