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Pioneer VSX-908RDS Service Manual Download Page 13

VSX-908RDS, VSX-908RDS-G

13

A

B

C

D

5

6

7

8

5

6

7

8

S-VIDEO ASSY

(AWX7395)

Q

PRIMARY ASSY
(Except HV Type 

: AWX7345)

(HV Type Only 

: AWX7454)

DIODE ASSY

(AWX7343)

K

TRANS 2-1 ASSY
(AWX7403)

T1
POWER TRANSFORMER
(ATS7253)

J

V

U

TRANS 2-2 
ASSY
(AWX7518)

O

TRANS 1 ASSY
(AWX7316)

N

H. PHONE/F. VIDEO ASSY
(AWX7342)

R

SP/PS ASSY
(AWX7359)

L

C-AMP-N ASSY

(AWX7318)

F

ADD7165

ADD7171

ADD7166

P-SW ASSY
(AWX7330)

• CAUTION : Heatsink's DC level is equal to +B or -B.

Don't touch them or you will be electricary shocked.

Note : When ordering service parts, be sure to refer to "EXPLODED VIEWS and PARTS LIST" or "PCB PARTS LIST".

Summary of Contents for VSX-908RDS

Page 1: ...0 7 2 PARTS 82 7 2 1 IC 82 7 2 2 DISPLAY 86 7 3 REMOTE CONTROL UNIT 88 8 PANEL FACILITIES AND SPECIFICATIONS 93 T ZZK JULY 1999 Printed in Japan VSX 908RDS G AUDIO VIDEO MULTI CHANNEL RECEIVER STANDBY ON DSP MODE STANDBY AUDIO VIDEO MULTI CHANNEL RECEIVER STEREO THX CINEMA ADVANCED STANDARD DTS MPEG OFF _ON EON MODE INPUT SELECTOR MASTER VOLUME FL DIMMER DOWN UP Type Model Power Requirement The vo...

Page 2: ...ften not evident from visual inspection nor the protection afforded by them necessarily can be obtained by using replacement components rated for voltage wattage etc Replacement parts which have these special safety characteristics are identified in this Service Manual Electrical components having such features are identified by marking with a on the schematics and on the parts list in this Servic...

Page 3: ...s See Contrast table 2 15 Operating Instructions See Contrast table 2 16 Operating Instructions See Contrast table 2 17 Operating Instructions See Contrast table 2 18 Operating Instructions See Contrast table 2 19 Operating Instructions See Contrast table 2 20 Operating Instructions See Contrast table 2 2 CONTRAST TABLE VSX 908RDS HY EW HY GR HV and VSX 908RDS G HY are constructed the same except ...

Page 4: ...6 48 49 40 49 49 34 45 50 51 39 29 5 9 18 67 51 67 1 77 2 67 1 77 2 38 35 2 3 4 55 70 70 70 70 44 44 42 42 19 67 1 66 2 67 1 77 2 67 1 77 2 67 1 77 2 67 1 66 2 67 1 66 2 67 1 66 2 67 1 66 2 67 1 66 2 67 1 66 2 67 1 66 2 Note 1 VSX 908RDS 2 VSX 908RDS G 67 1 66 2 67 1 26 HV Type Only 66 2 67 1 66 2 59 50 58 Refer to 2 4 FRONT PANEL SECTION Refer to 2 3 HEAT SINK SECTION 64 37 15 23 33 13 54 12 16 3...

Page 5: ...28P J23 ADD7171 37 Assy Holder ANG7121 38 Assy Holder B AMR7267 39 Card Spacer AEC7133 40 Card Spacer DEC1772 41 42 Cushion 55 PNM1316 NSP 43 Frame 26 ANG7238 44 Insulator PNW2766 45 Locking Card Spacer DEC1908 46 47 NSP 48 Panel Stay 26 AND7031 49 PC Support VEC1549 NSP 50 PCB Holder AEC7057 NSP 51 PCB Holder PNW2100 NSP 52 PCB Mould AMR1525 53 PCB Spacer AEC1372 54 Rear Panel See Contrast table ...

Page 6: ... used 27 Bonnet Case AZN7808 AZN7808 AZN7808 AZN7809 54 Rear Panel ANC7742 ANC7742 ANC7818 ANC7866 58 Side Escutheon L 98 AAK7660 AAK7660 AAK7660 Not used 58 Side Escutheon L D8 Not used Not used Not used AAK7662 59 Side Escutheon R 98 AAK7661 AAK7661 AAK7661 Not used 59 Side Escutheon R D8 Not used Not used Not used AAK7663 72 Screw BBT30P100FZK BBT30P100FZK BBT30P100FZK BBT30P100FCC 73 Screw FBT...

Page 7: ...NSP 7 OUTPUT SR Assy AWX7323 8 VL TERMINAL Assy AWX7324 NSP 9 Heat Sink ANH7102 10 Heat Sink Holder B AMR7256 11 Heat Sink Holder A AMR7255 NSP 12 Power Supply Plate ANG7240 13 Screw See Contrast table 2 14 Screw ABA1082 15 Screw IBZ30P080FCC 16 Thermistor AEX7004 2 CONTRAST TABLE VSX 908RDS HY EW HY GR HV and VSX 908RDS G HY are constructed the same except for the following Part No Mark No Symbol...

Page 8: ...05P J14 ADD7162 17 Lead Card 06P J20 ADD7167 18 19 Lead Card 12P J21 ADD7166 20 Damper Assy 60 AXA7076 21 Sub Panel See Contrast table 2 22 Volume Ring See Contrast table 2 23 Nut NK90FUC 24 Door Cusion See Contrast table 2 25 Front Panel See Contrast table 2 2 4 FRONT PANEL SECTION 26 LED Lens PNW2019 27 Name Plate See Contrast table 2 28 Ring Spacer D5 AWL7038 29 FL Sheet D10 AAK7629 30 Volume K...

Page 9: ... used Not used Not used AAD7541 21 Sub Panel 98 ANB7200 ANB7200 ANB7200 Not used 21 Sub Panel D8 Not used Not used Not used ANB7207 22 Volume Ring 98 AAH7028 AAH7028 AAH7028 Not used 22 Volume Ring D10 Not used Not used Not used AAH7016 24 Door Cusion B AEB7152 AEB7152 AEB7152 Not used 24 Door Cusion G Not used Not used Not used AEB7153 25 Front Panel 908 ANB7173 ANB7173 ANB7173 Not used 25 Front ...

Page 10: ... 14 4 3 6 11 CN7201 R 3 CN906 2 4 15 3 1 4 1 5 9 16 26 16 9 CN1001 B C 16 17 18 CN1201 W CN1250 X 2 CN9803 3 5 7 9 11 CN1101 A 5 8 4 3 1 2 CN9801 12 10 4 2 8 6 CN702 2 3 CN1301 4 1 5 6 7 8 CN1302 IC1301 IC1303 IC1302 9 8 7 2 3 4 3 5 7 9 11 CN9804 2 P CN7201 R CN701 IC701 IC751 IC701 IC701 4 3 7 5 9 13 11 15 1 13 12 14 13 15 15 1 2 5 C M CN5006 5 3 8 6 V V V V 3 BLOCK DIAGRAM AND SCHEMATIC DIAGRAM ...

Page 11: ...10 19 25 26 27 7 11 6 10 18 19 26 6 9 20 4 6 4 5 7 8 2 2 17 9 12 24 13 15 9 11 CN501 Q510 R2512 RY3105 RY3101 RY3103 RY3104 RY3102 R2552 R2612 Q2501 Q2524 Q2541 Q2544 Q2601 Q2504 Q550 Q610 10 16 8 CN502 8 10 13 15 3 4 CN2001 16 14 21 19 Y9 26 24 CN109 14 8 3 1 3 1 3 1 16 CN103 2 3 4 9 8 7 CN804 IC851 IC852 IC852 IC852 IC801 IC801 IC802 2 13 12 14 2 1 15 5 3 4 1 1 7 5 9 13 5 9 13 15 14 12 2 3 13 3 ...

Page 12: ... ASSY AWX7323 T ROTARY ENCODER ASSY AWX7405 1 2 2 2 V AMP ASSY AWX7309 E E E 1 3 3 3 MAIN CONTROL ASSY AWX7410 D D D 1 5 5 5 DSP ASSY AWX7272 Y Y Y W DIGITAL I O ASSY AWX7396 X RF TERMINAL ASSY AWX7376 HE OUTPUT FR ASSY AWX7320 HD OUTPUT C ASSY AWX7321 HC OUTPUT FL ASSY AWX7319 HB OUTPUT SL ASSY AWX7322 VL TERMINAL ASSY AWX7324 HA ADD7167 ADD7160 ADD7161 ADD7159 ADD7162 ADD7170 ADD7163 ADD7164 3 2...

Page 13: ...ANSFORMER ATS7253 J V U TRANS 2 2 ASSY AWX7518 O TRANS 1 ASSY AWX7316 N H PHONE F VIDEO ASSY AWX7342 R SP PS ASSY AWX7359 L C AMP N ASSY AWX7318 F ADD7165 ADD7171 ADD7166 P SW ASSY AWX7330 CAUTION Heatsink s DC level is equal to B or B Don t touch them or you will be electricary shocked Note When ordering service parts be sure to refer to EXPLODED VIEWS and PARTS LIST or PCB PARTS LIST ...

Page 14: ...3 4 JA1101 JA1103 AKB7095 JA1011 JA1013 AKB7048 JA1015 AKB7048 JA1016 AKB7120 CN1101 CN1001 CN1002 EXTERNAL IN ASSY AWX7413 A PINJACK ASSY AWX7412 V1 V1 V1 V2 V2 MD MD P P P LD LD LD LD TV TV TV A B 3 3 EXTERNAL IN A PINJACK and CONNECTION ASSYS A B ...

Page 15: ...1302 CN1353 CN1352 CONNECTION ASSY AWX7347 CN103 D 1 3 CN101 D 1 3 AUDIO SIGNAL ROUTE LD LD AUDIO SIGNAL ROUTE TV TV AUDIO SIGNAL ROUTE VCR1 V1 V1 V1 V2 V2 AUDIO SIGNAL ROUTE VCR2 V2 AUDIO SIGNAL ROUTE MD MD MD MD AUDIO SIGNAL ROUTE PHONO P P P P P P P LD LD TV TV C C ...

Page 16: ...S355 D 2 3 D 2 3 D 2 3 CN7005 CN906 52045 0545 S CN1353 C CN101 CN941 1 2 CN941 2 2 CN941 AKB7075 JA911 DKB1045 JA911 TU P P LD CD T2 TU V2 CD CD T2 TU T2 TU T2 V1 MD TV LD TV V2 V1 MD The power supply is shown with the marked box 3 4 MAIN CONTROL ASSY 1 3 1 3 D ...

Page 17: ...302 CN103 CN104 C AUDIO SIGNAL ROUTE LD LD AUDIO SIGNAL ROUTE AUDIO SIGNAL ROUTE TV TV AUDIO SIGNAL ROUTE VCR1 V1 AUDIO SIGNAL ROUTE VCR2 V2 AUDIO SIGNAL ROUTE MD MD AUDIO SIGNAL ROUTE PHONO P AUDIO SIGNAL ROUTE TUNER TU AUDIO SIGNAL ROUTE CD CD AUDIO SIGNAL ROUTE TAPE2 T2 AUDIO SIGNAL ROUTE MR MR 1 3 D ...

Page 18: ...VSX 908RDS VSX 908RDS G 18 A B C D 1 2 3 4 1 2 3 4 2 3 MAIN CONTROL ASSY AWX7410 D D 1 3 D 1 3 D 3 3 3 5 MAIN CONTROL ASSY 2 3 2 3 D ...

Page 19: ...X 908RDS VSX 908RDS G 19 A B C D 5 6 7 8 5 6 7 8 Q107 Q112 HN1C03F E 1 2 CN501 CN105 D 1 3 D 3 3 113 2 3 113 1 3 113 3 3 113 AKB7089 AUDIO SIGNAL ROUTE The power supply is shown with the marked box 2 3 D ...

Page 20: ...S VSX 908RDS G 20 A B C D 1 2 3 4 1 2 3 4 D905 D908 1SS355 1SS355 D901 D904 1SS355 D 2 3 Y 4 5 CN9551 CN903 CN920 CN901 CN5008 M CN5005 M 1SS355 To FM AM TUNER UNIT CN902 TU TU TU 3 3 D 3 6 MAIN CONTROL ASSY 3 3 ...

Page 21: ...VSX 908RDS VSX 908RDS G 21 A B C D 5 6 7 8 5 6 7 8 3 3 MAIN CONTROL ASSY AWX7410 D CN904 CN7001 S CN905 CN108 CN701 P CN5003 M The power supply is shown with the marked box 3 3 D ...

Page 22: ...2 A B C D 1 2 3 4 1 2 3 4 1 2 V AMP ASSY AWX7309 E IC7601 1 2 UPC4570G2 IC7501 1 2 UPC4570G2 IC7541 1 2 UPC4570G2 IC7521 1 2 UPC4570G2 IC7621 1 2 UPC4570G2 D 2 3 E 2 2 CN105 505 506 VEF1040 CN501 E 2 2 3 7 V AMP ASSY 1 2 1 2 E ...

Page 23: ...VSX 908RDS VSX 908RDS G 23 A B C D 5 6 7 8 5 6 7 8 IC7601 2 2 UPC4570G2 IC7501 2 2 UPC4570G2 IC7541 2 2 UPC4570G2 IC7521 2 2 UPC4570G2 IC7621 2 2 UPC4570G2 E 2 2 AUDIO SIGNAL ROUTE 1 2 E ...

Page 24: ...VSX 908RDS VSX 908RDS G 24 A B C D 1 2 3 4 1 2 3 4 E 1 2 E 1 2 E 1 2 E 1 2 CN504 To THERMISTOR 2 2 E 3 8 V AMP ASSY 2 2 ...

Page 25: ...VSX 908RDS VSX 908RDS G 25 A B C D 5 6 7 8 5 6 7 8 2 2 V AMP ASSY AWX7309 E E 1 2 E 1 2 CN502 CN2001 F AUDIO SIGNAL ROUTE 2 2 E ...

Page 26: ... AMP N ASSY AWX7318 C AMP P ASSY AWX7317 OUTPUT FL ASSY AWX7319 OUTPUT SL ASSY AWX7322 E 2 2 CN502 CN2001 CN2601 CN2501 CN2602 CN2503 CN2502 CN2603 CN2604 CN2504 L L F G HB HA 3 9 C AMP N C AMP P OUTPUT SL OUTPUT FL OUTPUT C OUTPUT FR OUTPUT SR and VL TERMINAL ASSYS F G HA HB ...

Page 27: ... 2SA970 2SA970 2SA970 VL TERMINAL ASSY AWX7324 OUTPUT SR ASSY AWX7323 OUTPUT FR ASSY AWX7320 OUTPUT C ASSY AWX7321 CN2541 CN2521 CN2621 CN2542 CN2522 CN2523 CN2623 CN2622 CN2624 CN2524 CN2543 CN2544 L L L L AUDIO SIGNAL ROUTE I HE HD HC I HC HD HE G F ...

Page 28: ...ND RATINGS ONLY CAUTION FU4 FU5 T2A AEK 511 R4501 R4503 22 C4501 C4502 0 033 250 ACH1237 NP1 100 C4501 R4501 CAUTION FOR CONTINUED PROTECTION AGAINST RISK OF FIRE REPLACE ONLY WITH SAME TYPE NO 491 750 MFD BY LITTELFUSE INC FOR IC3001 AEK7007 CAUTION FOR CONTINUED PROTECTION AGAINST RISK OF FIRE REPLACE ONLY WITH SAME TYPE NO 49102 5 MFD BY LITTELFUSE INC FOR IC4501 IC4502 AEK7014 C4502 R4502 C450...

Page 29: ...VSX 908RDS VSX 908RDS G 29 A B C D 5 6 7 8 5 6 7 8 CN3101 3004 CN3003 CN3102 L SP PS ASSY AWX7359 CN5001 CN5002 M I M HA HE L ...

Page 30: ...0810 L V J CN3003 L 5501 C5501 R5501 0 47 50 22 R5502 100K C5502 ACH1237 NP 1 100 CAUTION FOR CONTINUED PROTECTION AGAINST RISK OF FIRE REPLACE ONLY WITH SAME TYPE NO 491 200 MFD BY LITTELFUSE INC FOR IC5009 IC5010 AEK7023 CAUTION FOR CONTINUED PROTECTION AGAINST RISK OF FIRE REPLACE ONLY WITH SAME TYPE NO 491004 MFD BY LITTELFUSE INC FOR IC5501 AEK7018 3 11 REGULATOR TRANS 1 and TRANS 2 2 ASSYS M...

Page 31: ...VSX 908RDS VSX 908RDS G 31 A B C D 5 6 7 8 5 6 7 8 CN5006 CN5007 CN5005 CN5008 CN5004 CN5003 CN108 D 3 3 CN104 D 1 3 CN901 D 3 3 CN920 D 3 3 CN9801 Y 2 5 CN9802 Y 2 5 AUDIO SIGNAL ROUTE M ...

Page 32: ... G 32 A B C D 1 2 3 4 1 2 3 4 VIDEO ASSY AWX7422 1SS355 1SS355 1SS355 1SS355 702 2 2 706 2 2 706 1 2 702 1 2 707 JA703 1 2 JA703 2 2 702 AKB7017 707 AKB7020 CN702 CN701 CN905 D 3 3 Y Y Y Y Y P 3 12 VIDEO and S VIDEO ASSYS P ...

Page 33: ...355 1SS355 1SS355 CN804 CN802 2 2 AKP7020 CN803 1 2 AKP7020 CN802 1 2 AKP7020 CN803 2 2 AKP7020 CN801 3 3 AKP7043 CN801 1 3 AKP7043 CN801 2 3 AKP7043 VIDEO SIGNAL ROUTE Y SIGNAL ROUTE Y C SIGNAL ROUTE C Y Y Y Y Y Y Y Y Y Y C C C C C C C C C C C C Y C Y Y Y Y Y Y Y C C C C C C C Y Q Q ...

Page 34: ... STAND BY ON S7007 EXTERNAL DECODER IN S7008 SPEAKERS S7009 DIRECT S7010 BASS S7011 LOUDNESS S7012 BASS S7013 MIDNIGHT S7014 TREBLE S7015 DIGITAL NR S7016 TREBLE S7017 SIGNAL SELECT S7018 INPUT ATT S7019 MPX S7020 TAPE2 MONITOR S7021 CLASS S7022 RF ATT S7023 FM AM S7024 MEMORY S7025 TUNING S7026 STATION S7027 TUNING S7028 STATION S7029 FL DIMMER S7030 EON MODE 3 13 H PHONE F VIDEO DISPLAY and ROTA...

Page 35: ...VSX 908RDS VSX 908RDS G 35 A B C D 5 6 7 8 5 6 7 8 ROTARY ENCODER ASSY AWX7405 CN7002 CN7101 CN7001 2SA1037K CN904 D 3 3 T T S ...

Page 36: ...SY PRIMARY ASSY Except HV Type AWX7345 HV Type Only AWX7454 CN3001 CN6003 KP200TA4L CN6801 J6000 CN6002 RKP1751 LIVE NEUTRAL FU1 T4A AEK 514 AC IN L N 1SS133 DTC143ES 1SS133 ACG7020 EXCEPT HV TYPE ACG7020 ADX7279 ADX7280 51048 0300 D6001 D6004 S5688G P SW ASSY AWX7330 V U V U ...

Page 37: ...3 4 1 2 3 4 3 15 DIGITAL I O and RF TERMINAL ASSYS DIGITAL I O ASSY AWX7396 RF TERMINAL ASSY AWX7376 CN9803 CN1201 CN1250 VKB1074 GP1F38T2 GP1F37R1 GP1F37R1 JA1204 1 2 AKB7095 JA1204 2 2 AKB7095 Y 2 5 CN9804 Y 2 5 AUDIO SIGNAL ROUTE W X X W ...

Page 38: ...VSX 908RDS VSX 908RDS G 38 A B C D 1 2 3 4 1 2 3 4 1 5 DSP ASSY AWX7272 Y Y 2 5 MA Y 4 5 MB 3 16 DSP ASSY 1 5 1 5 Y ...

Page 39: ...VSX 908RDS VSX 908RDS G 39 A B C D 5 6 7 8 5 6 7 8 1 5 Y ...

Page 40: ...0 A B C D 1 2 3 4 1 2 3 4 2 5 DSP ASSY AWX7272 Y CN5007 CN9804 CN9803 M CN1250 X CN1201 W Y 5 5 Y 1 5 Y 4 5 Y 5 5 Y 3 5 ME MA MF ERR PCMD AUDIO SIGNAL ROUTE The power supply is shown with the marked box 3 17 DSP ASSY 2 5 2 5 Y ...

Page 41: ...VSX 908RDS VSX 908RDS G 41 A B C D 5 6 7 8 5 6 7 8 CN5006 M CN9802 Y 3 5 Y 4 5 MP MG 2 5 Y ...

Page 42: ...VSX 908RDS VSX 908RDS G 42 A B C D 1 2 3 4 1 2 3 4 3 5 DSP ASSY AWX7272 Y Y 4 5 Y 4 5 Y 2 5 Y 2 5 MJ MI MG PCMD 3 18 DSP ASSY 3 5 3 5 Y ...

Page 43: ...VSX 908RDS VSX 908RDS G 43 A B C D 5 6 7 8 5 6 7 8 AUDIO SIGNAL ROUTE 3 5 Y ...

Page 44: ...VSX 908RDS VSX 908RDS G 44 A B C D 1 2 3 4 1 2 3 4 4 5 DSP ASSY AWX7272 Y Y 3 5 Y 2 5 Y 1 5 Y 5 5 VSX 29TX VSX 27TX ONLY CN903 CN9551 D 3 3 MJ MF MO MB 3 19 DSP ASSY 4 5 4 5 Y ...

Page 45: ...VSX 908RDS VSX 908RDS G 45 A B C D 5 6 7 8 5 6 7 8 Y 2 5 Y 5 5 Y 3 5 MP MI MN AUDIO SIGNAL ROUTE 4 5 Y ...

Page 46: ...VSX 908RDS VSX 908RDS G 46 A B C D 1 2 3 4 1 2 3 4 5 5 DSP ASSY AWX7272 Y Y 4 5 Y 2 5 Y 4 5 MN ERR MO 3 20 DSP ASSY 5 5 5 5 Y ...

Page 47: ...VSX 908RDS VSX 908RDS G 47 A B C D 5 6 7 8 5 6 7 8 Y 2 5ME AUDIO SIGNAL ROUTE 5 5 Y ...

Page 48: ...sary parts for several destinations For further information for respective destinations be sure to check with the schematic diagram 4 View point of PCB diagrams Symbol In PCB Diagrams Symbol In Schematic Diagrams Part Name B C E D D G G S S B C E B C E D G S B C E B C E B C E Transistor Transistor with resistor Field effect transistor Resistor array 3 terminal regulator Capacitor Connector P C Boa...

Page 49: ...VSX 908RDS VSX 908RDS G 49 A B C D 1 2 3 4 1 2 3 4 SIDE A 4 1 EXTERNAL IN A PINJACK and CONNECTION ASSYS ...

Page 50: ...VSX 908RDS VSX 908RDS G 50 A B C D 1 2 3 4 1 2 3 4 4 2 MAIN CONTROL ASSY IC101 Q114 Q991 Q272 Q271 Q113 CN1302 C CN7005 S CN5003 M CN1353 C CN701 P To FM AM TUNER UNIT D SIDE A ...

Page 51: ...VSX 908RDS VSX 908RDS G 51 A B C D 5 6 7 8 5 6 7 8 IC108 IC114 IC115 IC113 ANP7307 B CN9551 Y MAIN CONTROL ASSY D CN5005 M CN5008 M CN5004 M CN7001 S CN501 E D ...

Page 52: ...VSX 908RDS VSX 908RDS G 52 A B C D 1 2 3 4 1 2 3 4 Q904 Q901 IC901 Q905 Q903 Q902 IC104 IC105 IC107 IC112 MAIN CONTROL ASSY D SIDE B D ...

Page 53: ...VSX 908RDS VSX 908RDS G 53 A B C D 5 6 7 8 5 6 7 8 IC105 Q902 IC103 IC109 Q251 Q252 IC102 IC110 Q109 Q107 Q111 Q110 Q108 Q112 ANP7307 B D ...

Page 54: ... AMP ASSY Q561 Q610 Q510 Q550 Q530 Q630 Q7601 Q7501 Q7541 Q7521 Q7621 Q603 Q503 Q543 Q523 Q623 Q607 Q507 Q547 Q527 Q627 Q606 Q506 Q546 Q526 Q626 Q608 Q508 Q548 Q528 Q628 Q609 Q509 Q549 Q529 Q629 ANP7310 C V AMP ASSY E CN105 D CN2001 F To THERMISTOR E SIDE A ...

Page 55: ... 908RDS VSX 908RDS G 55 A B C D 1 2 3 4 1 2 3 4 IC7622 IC7522 IC7542 IC7502 IC7602 IC7621 IC7521 IC7541 IC7501 IC7601 Q624 Q524 Q544 Q504 Q604 Q621 Q521 Q541 Q501 Q601 IC581 ANP7310 C V AMP ASSY E E SIDE B ...

Page 56: ... N C AMP P OUTPUT SL OUTPUT FL OUTPUT C OUTPUT FR OUTPUT SR and VL TERMINAL ASSYS VR2601 VR2501 Q2002 Q2001 Q2603 Q2602 Q2503 Q2502 CN502 E C AMP P ASSY G VL TERMINAL ASSY I C AMP N ASSY F Y12 L Y7 Y17 Y6 L OUTPUT SL ASSY HA OUTPUT FL ASSY HB F G HA HB I SIDE A ...

Page 57: ...57 A B C D 5 6 7 8 5 6 7 8 ANP7309 C 2501 VR2541 VR2521 VR2621 Q2503 Q2502 Q2543 Q2542 Q2523 Q2522 Q2623 Q2622 Y9 L Y11 L Y10 L Y14 L Y13 L OUTPUT SR ASSY HE OUTPUT FR ASSY HD OUTPUT C ASSY HC OUTPUT FL ASSY HB HE HD HC HB F G ...

Page 58: ... L Y4 L Y5 L Y1 L 5009 M Y6002 V 220 230V 240V Line Voltage can be changed by the following modification 1 Disconnect the AC power cord 2 Remove the cover 3 Change the connection wire from TRANS 1 ASSY Terminal No Y6002 to AMP ASSY Terminal No Y6002 as follows Voltage Terminal No of TRANS 1 ASSY 220 230V Y6002 HY HL HV 240V Y6002 J KU 4 Stick a line voltage label on the rear panel Description Part...

Page 59: ... 4 1 2 3 4 4 6 SP PS ASSY Q3156 Q3159 Q3151 Q3154 Q3005 Q3155 Q3152 Q3153 Q3504 IC3001 Q3502 Q3501 Q3503 ANP7309 B SP PS ASSY L CN5002 M Y17 I Y10 HD Y11 HC Y14 HE Y4 K 4001 J CN6003 V CN5001 M Y5 K Y12 HA Y9 HB Y13 HE Y7 I Y6 I Y1 J L SIDE A ...

Page 60: ... VSX 908RDS G 60 A B C D 1 2 3 4 1 2 3 4 4 7 REGULATOR PRIMARY and P SW ASSYS ANP7310 C IC5006 IC5010 IC5009 IC5005 IC5004 REGULATOR ASSY M CN108 D CN104 D Y CN3003 L 3004 L Y6 N Y6 N AC IN P SW ASSY U SIDE A M U ...

Page 61: ...X 908RDS G 61 A B C D 5 6 7 8 5 6 7 8 ANP7308 D ANP7308 D IC6001 Q6001 IC5002 IC5001 IC5003 IC5007 IC5008 PRIMARY ASSY CN104 CN920 D CN901 D CN9801 Y CN9802 Y 5501 O CN3001 L Y6001 N Y6002 N AC IN NEUTRAL LIVE V V M ...

Page 62: ...VSX 908RDS VSX 908RDS G 62 A B C D 1 2 3 4 1 2 3 4 4 8 VIDEO ASSY Q701 Q751 Q753 Q752 Q754 Q755 IC752 IC751 IC731 IC701 ANP7307 B VIDEO ASSY P VIDEO ASSY P CN804 Q CN905 D P SIDE A SIDE B ...

Page 63: ...VSX 908RDS VSX 908RDS G 63 A B C D 1 2 3 4 1 2 3 4 4 9 S VIDEO ASSY Q853 Q852 IC851 Q851 IC852 IC801 IC831 IC802 Q831 Q833 Q834 ANP7307 B S VIDEO ASSY Q S VIDEO ASSY Q CN702 P Q SIDE A SIDE B ...

Page 64: ...VSX 908RDS VSX 908RDS G 64 A B C D 1 2 3 4 1 2 3 4 4 10 H PHONE F VIDEO DISPLAY and ROTARY ENCODER ASSYS DISPLAY ASSY S H PHONE F VIDEO ASSY R Q7201 Q7202 Q7401 Q7403 IC7401 R S ...

Page 65: ...VSX 908RDS VSX 908RDS G 65 A B C D 5 6 7 8 5 6 7 8 ...

Page 66: ......

Page 67: ...VSX 908RDS VSX 908RDS G 67 A B C D 5 6 7 8 5 6 7 8 ANP7010 C H PHONE F VIDEO ASSY R Q7001 IC7071 R S SIDE B ...

Page 68: ...101 IC9501 IC9311 Q9004 Q9007 Q9101 Q9104 Q9201 Q9204 IC9071 IC9102 IC9401 IC9321 IC9361 IC9371 IC9374 IC9411 IC9421 IC9372 Q9811 Q9813 Q9609 IC9091 IC9204 IC9203 IC9103 IC9601 IC9602 IC9601 Q9603 Q9605 Q9606 Q9608 IC9391 ANP7311 C DSP ASSY Y CN903 D CN5007 M CN5006 M CN1201 W CN1250 X Y SIDE A ...

Page 69: ...VSX 908RDS VSX 908RDS G 69 A B C D 1 2 3 4 1 2 3 4 Y Q9205 IC9701 IC9702 IC9041 IC9201 IC9202 IC9602 IC9703 IC9704 IC9705 IC9603 IC9604 ANP7311 C DSP ASSY Y SIDE B ...

Page 70: ...08RDS VSX 908RDS G 70 A B C D 1 2 3 4 1 2 3 4 4 12 DIGITAL I O and RF TERMINAL ASSYS ANP7307 B CN9804 Y DIGITAL I O ASSY W DIGITAL I O ASSY W RF TERMINAL ASSY X RF TERMINAL ASSY X CN9803 Y W X SIDE B SIDE A ...

Page 71: ... VAMP ASSY AWK7530 V AMP ASSY AWX7309 P SW ASSY AWX7330 H PHONE F VIDEO ASSY AWX7342 NSP ROTARY ENCODER AWX7405 DISPLAY ASSY AWX7414 NSP POWER CURRENT ASSY AWK7510 NSP C AMP P ASSY AWX7317 C AMP N ASSY AWX7318 NSP OUTPUT FL ASSY AWX7319 NSP OUTPUT FR ASSY AWX7320 OUTPUT C ASSY AWX7321 NSP OUTPUT SL ASSY AWX7322 NSP OUTPUT SR ASSY AWX7323 VL TERMINAL ASSY AWX7324 DIODE ASSY AWX7343 SP PS ASSY AWX73...

Page 72: ...ECTOR 52044 1345 CN906 5P FFC CONNECTOR 52045 0545 CN105 23P FFC CONNECTOR 52045 2345 CN905 26P FFC CONNECTOR 52045 2645 CN904 32P FFC CONNECTOR 52045 3245 CN941 4P PIN JACK AKB7015 113 6P PIN JACK AKB7089 JA911 2P PIN JACK DKB1045 CN103 10P PLUG KM200TA10 CN101 20P PLUG KM200TA20 CN104 16P SOCKET KP200IA16L CN901 15P SOCKET KP200TA15L CN920 7P SOCKET KP200TA7L CN108 9P SOCKET KP200TA9L 909 912 91...

Page 73: ...Q2602 Q2622 2SC4137 Q2501 Q2521 Q2541 Q2601 Q2621 IRF540A D2501 D2504 D2521 D2524 1SS133 D2541 D2544 D2601 D2604 1SS133 D2621 D2624 1SS133 CAPACITORS C2501 C2521 C2541 C2601 C2621 CEANPR22M50 C2001 CEAT101M10 RESISTORS R2506 R2510 R2526 R2530 R2546 RD1 4PUF391J R2550 R2606 R2610 R2626 R2630 RD1 4PUF391J R2501 R2521 R2541 R2601 R2621 RD1 4PUF470J VR2501 VR2521 VR2541 22Ω RCP1134 VR2601 VR2621 22Ω R...

Page 74: ...OIL ATH1053 SWITCHES AND RELAYS RY3101 RY3105 ASR7014 CAPACITORS C3001 C3002 22000µF 56V C3118 CEAT100M50 C3502 CEAT1R0M50 C3504 CEAT471M25 C3501 CEAT471M35 C3101 C3110 CFTYA224J50 C3503 CKCYF103Z50 C3111 C3117 CQMA332K2E RESISTORS R3151 R3155 RD1 2PM331J R3503 RD1 4PU102J R3507 RD1 4PU103J R3504 RD1 4PU104J R3506 RD1 4PU222J R3501 RD1 4PU471J R3502 RD1 4PU473J R3133 R3134 RS1LMF471J R3106 R3110 R...

Page 75: ...5 C759 CCSQCH150J50 C760 CCSQCH180J50 C705 C707 CCSQCH181J50 C761 C762 CCSQCH240J50 C754 CEAT100M50 C701 C704 C710 C712 CEAT101M10 C734 C735 C755 C764 C765 CEAT101M10 C781 C784 CEAT101M10 C713 C768 C769 CEAT101M16 C757 CEAT1R0M50 C752 CEAT330M16 C795 C797 CKSQYB103K50 C756 CKSQYB122K50 C708 C709 C714 C766 C767 CKSQYB473K50 C770 C771 C785 C786 C793 CKSQYB473K50 RESISTORS R715 RD1 2VM201J Other Resi...

Page 76: ...ACH7132 C7007 CCSQCH101J50 C7406 C7407 CCSQCH270J50 C7008 C7013 CEAL101M6R3 C7701 C7702 CEAT100M50 C7405 CEAT101M10 C7052 C7410 CEAT101M6R3 C7409 CEAT1R0M50 C7402 CEAT2R2M50 C7001 C7005 C7091 C7403 C7404 CKSQYB102K50 C7051 CKSQYB103K50 C7401 CKSQYB472K50 C7009 CKSQYB473K50 C7408 CKSQYB561K50 RESISTORS R7044 RA15T104J Other Resistors RS1 10S J OTHERS 7001 3P CABLE HOLDER 51052 0300 7002 7003 8P CAB...

Page 77: ... JA1204 2P PIN JACK AKB7095 JA1201 JA1202 GP1F37R1 OPTICAL RECEIVE MOD JA1203 OPTICAL LINK MOD GP1F38T2 RF TERMINAL ASSY CAPACITORS C1251 CKSQYB473K50 C1250 CKSQYF473Z50 RESISTORS All Resistors RS1 10S J OTHERS CN1250 3P PLUG KM250MA3 JA1250 1P PIN JACK AU BLK VKB1074 1250 SCREW TERMINAL VNE1948 DSP ASSY SEMICONDUCTORS IC9203 CS5360 KS IC9101 CS8414 CS IC9201 IC9202 NJM2100M IC9041 NJM4558MD IC940...

Page 78: ...350 C9354 C9377 CKSQYB103K50 C9385 C9636 CKSQYB103K50 C9330 CKSQYB474K16 C9073 C9080 C9205 C9208 C9511 CKSQYF104Z25 C9212 C9554 CKSRYB102K50 C9014 C9054 C9056 C9070 C9103 CKSRYB103K50 C9105 C9107 C9119 C9153 C9158 CKSRYB103K50 C9221 C9313 C9324 C9327 C9333 CKSRYB103K50 C9336 C9338 C9340 C9346 C9348 CKSRYB103K50 C9361 C9373 C9388 C9401 C9411 CKSRYB103K50 C9421 C9637 CKSRYB103K50 C9626 C9730 CKSRYB1...

Page 79: ...e DC voltmeter as shown below and adjust VRs in step No order so that voltages become 16mV 4 Ages for seven minutes 5 Readjust in step No order so that the voltages become 11 5mV 1mV 10 5 to 12 5mV Adjustment is completed 4mV 0mV Step No 1 VR2601 SL ch 2 VR2501 FL ch 3 VR2541 C ch 4 VR2521 FR ch 5 VR2621 SR ch Adjustment VR Adjustment ch DC Voltmeter Front side Heat Sink B 1 2 3 4 5 Heat Sink B VR...

Page 80: ...3 4 Replace the FETs on the C AMP N and C AMP P assemblies Remove six PCBs OUTPUT FR Assy OUTPUT SR Assy OUTPUT C Assy OUTPUT FL Assy VL TERMINAL Assy OUTPUT SL Assy C AMP P Assy C AMP N Assy CN2001 5 7 6 Heat Sink B Heat Sink B CAUTION Heatsink s DC level is equal to B or B Don t touch them or you will be electricary shocked ...

Page 81: ...NCODER Assy REGULATOR Assy DSP Assy MAIN CONTROL Assy TUNER MODULE DIGITAL I O Assy CONNECTION Assy EXTERNAL IN ASSY A PINJACK Assy VIDEO Assy S VIDEO Assy SP PS Assy PRIMARY Assy TRANS2 1 Assy TRANS1 Assy TRANS2 2 Assy Replace the diode Replace the Regulator IC DIODE REGULATOR and Other ASSYS REGULATOR Assy ...

Page 82: ...DY3 LED R P56 SCK3 T_CK P55 SO3 T_DI P54 SI3 T_DO P53 RDY2 T_CE P52 SCK2 TUNED P51 SO2 STEREO P50 SI2 TMUTE P67 CS1 RDY1 NC P66 SCK11 DISP_CK P65 SO1 DISP_DO P64 SI1 DISP_DI P63 DISP_RDY P62 P61 STBY LED P60 MRS LED P47 RDS_FM P46 RDS_DAT P45 INT1 PULLUP P44 INT4 P20 P19 P18 P17 P16 P15 P14 P13 P12 P11 P10 P9 P8 P7 P6 P5 P4 P3 P2 P1 G16 G15 G14 G13 5V GND Vee P36 P35 P34 P33 P32 P31 5V P30 P29 P28...

Page 83: ...ta request for IC901 MAIN U COM 73 S13 O Segment output 13 24 NC Open 74 S14 O Segment output 14 25 STBY LED O Standby LED 75 S15 O Segment output 15 26 MRS LED O Sub room LED MR S model EON LED RDS model 76 S16 O Segment output 16 27 RDS FM VDD for IC7401 BU1923 RDS model only 77 S17 O Segment output 17 28 RDS DAT O Data for IC7401 BU1923 RDS model only 78 S18 O Segment output 18 29 NC I pull up ...

Page 84: ... 4051 B 4051 C 2296 SW4 2296 SW3 2296 SW5 2296 SW2 SMK0 SMK1 SMK2 SMK3 MR4052A MR4052B 4052 INH MRVR_CK MRVR_DT LOUDNESS AMUTE MR_MUTE DC DET AMP OL WATT IN DSP OL DISP RST DISP RDY VDD GND DISP DO DISP OSD DI OSD CK DISP CK HDO HDI HCK P86 RTP1 FLD38 P85 RTP0 FLD37 P84 FLD36 VEE P83 FLD35 P82 FLD34 P81 FLD33 P80 FLD32 P37 FLD31 P36 FLD30 P35 FLD29 P34 FLD28 P33 FLD27 P32 FLD26 P31 FLD25 P30 FLD24...

Page 85: ... NJM2279M MR S model only 21 DT3 O Data for IC107 TC9163F control 61 2279 2 22 ST2 O Strobe for IC108 TC9482N control 62 2279 1 23 W UP I AC pulse input 63 OSD RST O Reset for IC752 LC74782M 9011 24 DT2 O Data for IC108 TC9482N control 64 OSD CS O Chip select for IC752 LC74782M 9011 25 CK1 O Clock for IC101 TC9274N and IC104 TC9163F control 65 SYNC DET I Detection of synchronizing signal 26 ST1 O ...

Page 86: ...86 VSX 908RDS VSX 908RDS G AAV7063 DISPLAY ASSY V7001 FL Indicator Tube Pin Assignment 7 2 2 DISPLAY Grid Assignment ...

Page 87: ...8RDS VSX 908RDS G Anode and Grid Connection F1 F2 Filament G1 to G16 Grid S1 to S36 Anode D External connect to F1 NP No Pin NL Lead H Power supply grid usually ec level Apply Typ 35 0 VDC IC Internal connection ...

Page 88: ...sed for disassembly 7 3 REMOTE CONTROL UNIT AXD7214 CU VSX162 and AXD7236 CU VSX165 1 2 9 3 7 11 12 10 4 6 5 8 PARTS LIST Mark No Description Part No 1 Name Plate A AXD7214 AZA7356 1 Name Plate A AXD7236 AZA7353 2 Name Plate B AXD7214 AZA7376 2 Name Plate B AXD7236 AZA7377 3 Rubber Sheet AZA7355 4 Filter AZA7340 5 Terminal A AZB7141 6 Terminal B AZB7142 7 Spring AZB7143 8 Battery Cover AXD7214 AZN...

Page 89: ...IC2 Q8 30 31 IC1 M30622MA R10 R69 R70 50 JP2 R50 Q10 C11 R76 D48 R83 R5 R1 R2 R81 R82 R75 D47 R72 R6 R73 R24 JP3 JP1 C3 R48 R49 R47 R46 R45 R44 R43 R42 R41 C61 Q6 Q5 R26 R23 R68 R27 R59 R58 R62 R61 R60 R67 R66 T8 3 1 L1 D46 R15 R34 R37 8C2 A RRC4000 75014R 401RRC 201 03R D40 D39 D37 D38 T2 R23 R7 R9 7 7 IC6 IC7 74HC08 IC5 74HC07 74HC07 8 8 8 14 14 14 1 R11 7 1 Q11 R74 R21 R22 R3 D19 D4 D5 D22 D8 D...

Page 90: ... T2 D37 D37 D44 1SS355 D38 D39 D40 D41 D42 D43 D44 R61 100k R62 100k 58 P34 59 P33 60 P32 61 62 63 64 P31 VCC P30 65 P27 66 P26 67 P25 68 P24 1 P96 2 P95 3 P94 4 P93 5 P92 6 P91 7 TB0 IN 8 BYTE 9 CNVSS 10 P87 11 P86 12 RESET 13 XOUT 14 VSS 15 XIN 16 VCC 17 P85 NMI 18 INT2 19 INT1 20 INT0 21 P81 22 P80 23 P77 69 P23 70 P22 71 P21 72 P20 73 P17 74 P16 75 P15 76 P14 77 P13 78 P12 79 P11 80 P10 81 P07...

Page 91: ... 1 4W C10 0 1 C9 0 1 D13 TVCONT D12 TUNER D11 MD D10 CD D9 VCR2 R8 360 D8 VCR1 C8 0 1 IC8 IC7 IC7 IC6 8 6 3 IC8 7 7 7 13 13 11 12 14 14 14 74HC08 AZC7291 AZC7291 AZC7291 TC74HC07AF TC74HC08AF 1 L L L H H H JP1 51 P43 50 P44 49 P45 48 P46 47 P47 46 P50 45 P51 44 P52 43 P53 42 P54 41 P55 40 P56 39 P57 38 P60 37 P61 36 P62 35 P63 34 P64 33 P65 32 P66 31 P67 JP2 JP3 2 4 5 10 9 R73 56k Q11 2SA1037K Q10...

Page 92: ... 5 and K 10 560 Ω 56 101 561 RD1 4PU 5 6 1 J 47k Ω 47 103 473 RD1 4PU 4 7 3 J 0 5 Ω R50 RN2H R 5 0 K 1 Ω 1R0 RS1P 1 R 0 K Ex 2 When there are 3 effective digits such as in high precision metal film resistors 5 62k Ω 562 101 5621 RN1 4PC 5 6 2 1 F Mark No Description Part No IC1 U COM M30662 AZC7285 IC2 VOLTAGE REG 3 3V AZC7286 IC3 VOLTAGE DETECTOR 1 5 AZC7287 IC4 VOLTAGE DETECTOR 1 8 AZC7288 IC5 I...

Page 93: ...rom standard two channel stereo sources and create different listening environments 5 STEREO button Press to select the STEREO sound mode In this mode sound comes from the front left and right speakers only 6 2 DTS buttons THX CINEMA Press to select the HOME THX CINEMA mode when listening to Dolby Digital Dolby Pro Logic DTS or a variety of other sources ADVANCED Press to select one of the four Ad...

Page 94: ... the best possible signal RF ATT button Press to turn the RF attenuator on when receiving strong FM signals nearby stations to reduce sound distortion Normally set the RF attenuator to off This button does not affect AM reception Tuner control buttons CLASS Press repeatedly to switch the preset station classes FM AM Press to select the AM or FM band TUNING Use to manually tune into radio stations ...

Page 95: ... Surround dts mode on the receiver is on this indicator lights to indicate playback of a Dolby Digital signal However 2 PRO LOGIC lights during 2 channel playback of Dolby Digital 2 PRO LOGIC When the 2 Surround dts mode on the receiver is on this indicator lights during 2 channel playback The indicator does not light when both the A B speaker systems just the B speaker system or the headphones ar...

Page 96: ...operation TV VOL Press to control the volume of the TV 6 MENU button Use to display various menus on the TV screen 7 EFFECT CH SEL buttons EFFECT Use these buttons to increase or decrease the amount of effect applied in a DSP or Advanced Theater mode When the amount of effect is increased in a DSP Advanced Theater mode the characteristics of that mode become stronger and more noticeable The scale ...

Page 97: ... variety of different functions depending on the remote operation mode They are most useful for CD player and tuner operations DISC DISPLAY button Press to switch the RDS data while listening to an FM station Each press changes the display mode in the order of RT PS PTY and frequency This button can perform a variety of different functions depending on the remote operation mode VOLUME button Use t...

Page 98: ...audio components to the jacks as shown below These are all analog connections and your analog audio components turntable cassette deck use these jacks Remember that for components you want to record with you need to hook up four plugs a set of stereo ins and a set of stereo outs but for components that only play like a turntable you only need to hook up one set of stereo plugs two plugs To use DTS...

Page 99: ...ensitivity Mono 20 2 dBf Stereo 41 2 dBf Sensitivity DIN Mono 1 1 µV S N 26 dB Stereo 50 µV S N 46 dB Signal to Noise Ratio Mono 76 dB at 85 dBf Stereo 72 dB at 85 dBf Signal to Noise Ratio DIN Mono 62 dB Stereo 58 dB Distortion Stereo 0 6 1 kHz Alternate Channel Selectivity 70 dB 400 kHz Stereo Separation 40 dB 1 kHz Frequency Response 30 Hz to 15 kHz 1dB Antenna Input 75 Ω unbalanced AM Tuner Se...

Page 100: ...100 VSX 908RDS VSX 908RDS G AA IEC LR6 batteries x 2 Remote control unit CU VSX162 AXD7214 VSX 908RDS CU VSX165 AXD7236 VSX 908RDS G Accessories FM wire antenna ADH7010 AM loop antenna ATB7009 ...

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