1. Manuals
  2. Brands
  3. Pioneer Manuals
  4. Receiver
  5. VSX-908RDS-HY
  6. Service manual

Pioneer VSX-908RDS-HY Service Manual

Audio/video multi-channel receiver
Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual
AUDIO/VIDEO MULTI-CHANNEL RECEIVER
VSX-D938TX
THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S).
Model
Type
VSX-D938TX
‡
HL
‡
LB
∗
: Alter the wiring of the Power-supply block at the primary winding of Power-transformer referring to the "Line Voltage Selection" described
in Service Manual.
¶ This service manual should be used together with the following manual(s):
Model No.
VSX-908RDS-G/HY
PIONEER CORPORATION
PIONEER ELECTRONICS SERVICE, INC. P.O. Box 1760, Long Beach, CA 90801-1760, U.S.A.
PIONEER ELECTRONIC (EUROPE) N.V. Haven 1087, Keetberglaan 1, 9120 Melsele, Belgium
PIONEER ELECTRONICS ASIACENTRE PTE. LTD. 253 Alexandra Road, #04-01, Singapore 159936
PIONEER CORPORATION 1999
Power Requirement
AC220-230V
AC110V
Order No.
RRV2166
CONTENTS
1. CONTRAST OF MISCELLANEOUS PARTS ........ 2
2. PCB CONNECTION DIAGRAM ............................ 5
3. SCHEMATIC DIAGRAM ....................................... 6
4-1, Meguro 1-chome, Meguro-ku, Tokyo 153-8654, Japan
RRV2189
The voltage can be converted by
the following method.
∗
AC240V,
–––––––
Remarks
T – ZZK AUG. 1999 Printed in Japan
ORDER NO.

Advertisement

Table of Contents
loading

Related Manuals for Pioneer VSX-908RDS-HY

Summary of Contents for Pioneer VSX-908RDS-HY

  • Page 1 PIONEER CORPORATION 4-1, Meguro 1-chome, Meguro-ku, Tokyo 153-8654, Japan PIONEER ELECTRONICS SERVICE, INC. P.O. Box 1760, Long Beach, CA 90801-1760, U.S.A. PIONEER ELECTRONIC (EUROPE) N.V. Haven 1087, Keetberglaan 1, 9120 Melsele, Belgium PIONEER ELECTRONICS ASIACENTRE PTE. LTD. 253 Alexandra Road, #04-01, Singapore 159936 PIONEER CORPORATION 1999 T –...
  • Page 2 VSX-D938TX 1. CONTRAST OF MISCELLANEOUS PARTS NOTES: Parts marked by "NSP" are generally unavailable because they are not in our Master Spare Parts List. mark found on some component parts indicates the importance of the safety factor of the part. Therefore, when replacing, be sure to use parts of identical designation.
  • Page 3 VSX-D938TX Part No. Ref. No. Mark Symbol and Description VSX-908RDS-G VSX-D938TX VSX-D938TX Remarks P5-72 Screw BBT30P100FCC BBT30P100FZK BBT30P100FZK P5-75 Screw IBZ30P100FCC IBZ30P100FCC Not used P5-78 AC Socket 3P AKP-502 AKP-502 Not used P5-79 Caution Label ARW7036 ARW7036 Not used P5-80 Fuse Holder Not used VKR1003...
  • Page 4 VSX-D938TX SP/PS ASSY AWX7449 and AWX7359 are constructed the same except for the following : Part No. Mark Symbol and Description Remarks AWX7359 AWX7449 IC3001 AEK7007 Not used Q3501, Q3502 DTA124ES Not used Q3503 2SC4793 Not used Q3504 2SC2235 Not used D3501, D3502 S5688G Not used...
  • Page 5 VSX-D938TX PRIMARY ASSY AWX7429 and AWX7345 are constructed the same except for the following : Part No. Mark Symbol and Description Remarks AWX7345 AWX7429 C6002, C6003 (10000pF/AC250V) ACE7014 ACG7020 C6006 CEAT221M25 CEAT470M25 L6003, L6004 ATX1012 Not used RY6001 POWER RELAY ASR1044 ASR7022 T6001...
  • Page 6 VSX-D938TX 3. SCHEMATIC DIAGRAM Note : When ordering service parts, be sure to refer to "EXPLODED VIEWS and PARTS LIST" or "PCB PARTS LIST" 3.1 MAIN CONTROL, PRIMARY and TRANS 1/LB ASSYS 3/3F MAIN CONTROL ASSY (HL TYPE : AWX7465) (LB TYPE : AWX7428) ∗1 ∗1...

  • Page 7: Table Of Contents

    PIONEER CORPORATION 4-1, Meguro 1-Chome, Meguro-ku, Tokyo 153-8654, Japan PIONEER ELECTRONICS SERVICE, INC. P.O. Box 1760, Long Beach, CA 90801-1760, U.S.A. PIONEER ELECTRONIC (EUROPE) N.V. Haven 1087, Keetberglaan 1, 9120 Melsele, Belgium PIONEER ELECTRONICS ASIACENTRE PTE. LTD. 253 Alexandra Road, #04-01, Singapore 159936 PIONEER CORPORATION 1999 T –...

  • Page 8: Safety Information

    The use of a substitute replacement component which does Leakage 0.5mA current Device not have the same safety characteristics as the PIONEER tester under recommended replacement one, shown in the parts list in test this Service Manual, may create shock, fire, or other hazards.

  • Page 9: Exploded Views And Parts List

    VSX-908RDS, VSX-908RDS-G 2. EXPLODED VIEWS AND PARTS LIST • NOTES: Parts marked by "NSP" are generally unavailable because they are not in our Master Spare Parts List. • mark found on some component parts indicates the importance of the safety factor of the part. Therefore, when replacing, be sure to use parts of identical designation.
  • Page 10 VSX-908RDS, VSX-908RDS-G 2.2 EXTERIOR 67 * (Except HV Type) 77 * Note *1 : VSX-908RDS 67 * *2 : VSX-908RDS-G 77 * (HV Type Only) 67 * 77 * 67 * 66 * (Except HV Type) (Except HV Type) (HV Type Only) 67 * 66 * 67 *...
  • Page 11 VSX-908RDS, VSX-908RDS-G (1) EXTERIOR PARTS LIST Mark No. Description Part No. Mark No. Description Part No. • • • • • • • • • • EXTERNAL IN Assy AWX7413 Cushion 55 PNM1316 A-PINJACK Assy AWX7412 Frame 26 ANG7238 CONNECTION Assy AWX7347 Insulator PNW2766...
  • Page 12 VSX-908RDS, VSX-908RDS-G (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 and Description VSX-908RDS VSX-908RDS VSX-908RDS VSX-908RDS Remarks /HY/EW /HY/GR -G/HY PRIMARY Assy AWX7345 AWX7345 AWX7454 AWX7345 AC Power Cord ADG7029 ADG7029...
  • Page 13 VSX-908RDS, VSX-908RDS-G 2.3 HEAT SINK SECTION (1) HEAT SINK SECTION PARTS LIST Mark No. Description Part No. C-AMP N Assy AWX7318 C-AMP-P Assy AWX7317 OUTPUT-SL Assy AWX7322 OUTPUT-FL Assy AWX7319 OUTPUT-C Assy AWX7321 OUTPUT-FR Assy AWX7320 OUTPUT-SR Assy AWX7323 VL-TERMINAL Assy AWX7324 Heat Sink ANH7102...
  • Page 14 VSX-908RDS, VSX-908RDS-G 2.4 FRONT PANEL SECTION (1) FRONT PANEL SECTION PARTS LIST Mark No. Description Part No. Mark No. Description Part No. 1 H. PHONE/F. VIDEO Assy AWX7342 LED Lens PNW2019 2 DISPLAY Assy AWX7414 Name Plate See Contrast table (2) 3 ROTARY ENCODER Assy AWX7405 Ring Spacer D5...
  • Page 15 VSX-908RDS, VSX-908RDS-G (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 and Description VSX-908RDS VSX-908RDS VSX-908RDS VSX-908RDS Remarks /HY/EW /HY/GR -G/HY Door Hinge 26 L AMR7252 AMR7252 AMR7252 Not used Door Hinge D10 L...

  • Page 16: Block Diagram And Schematic Diagram

    VSX-908RDS, VSX-908RDS-G 3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM 3.1 BLOCK DIAGRAM UNIT AXX7046 CN902 CN1352 IC101 CN1001 IC351 CN1001 IC103 IC9203 CN104 IC9201 IC9202 CN9801 CN7201 CN906 IC9321 IC9101 IC9151 IC9601 CN9801 IC9071 CN1001 IC9411 IC9421 IC9401 CN5006 CN1302 9, 8 CN1201 CN9803 IC1301...
  • Page 17 VSX-908RDS, VSX-908RDS-G T+12V IC5003 : AUDIO SIGNAL ROUTE A+15V S6001 : VIDEO SIGNAL ROUTE U+5.6V IC5001 D5009 IC5007 A-15V IC6001 IC5008 : Y SIGNAL ROUTE AD+5V IC5002 D5001–D5004 IC5004 D6001-D6004 T6001 : C SIGNAL ROUTE V+5.6V RY6001 IC5005 D5005–D5008 V-5.6V AC IN IC5006 CN5003...
  • Page 18 VSX-908RDS, VSX-908RDS-G 3.2 OVERALL WIRING CONNECTION DIAGRAM ROTARY ENCODER ASSY (AWX7405) DISPLAY ASSY (AWX7414) ADD7167 1/2, V-AMP ASSY (AWX7309) ADD7160 OUTPUT-SR ASSY (AWX7323) OUTPUT-FR ASSY (AWX7320) ADD7161 OUTPUT-C ASSY (AWX7321) OUTPUT-FL ASSY (AWX7319) OUTPUT-SL ASSY (AWX7322) VL-TERMINAL ASSY (AWX7324) REGULATOR ASSY (AWX7310) ADD7163 CONNECTION ASSY...
  • Page 19 VSX-908RDS, VSX-908RDS-G Note : When ordering service parts, be sure to refer to "EXPLODED VIEWS and PARTS LIST" or "PCB PARTS LIST". • CAUTION : Heatsink's DC level is equal to +B or -B. Don't touch them or you will be electricary shocked. H.
  • Page 20 VSX-908RDS, VSX-908RDS-G 3.3 EXTERNAL IN, A-PINJACK and CONNECTION ASSYS CN1101 EXTERNAL IN ASSY (AWX7413) JA1101-JA1103 : AKB7095 A-PINJACK ASSY (AWX7412) JA1015: AKB7048 CN1001 JA1016: AKB7120 JA1011-JA1013 : AKB7048 CN1002...
  • Page 21 VSX-908RDS, VSX-908RDS-G CONNECTION ASSY (AWX7347) CN1302 CN1301 CN103 CN1353 CN1351 CN101 : AUDIO SIGNAL ROUTE (LD) : AUDIO SIGNAL ROUTE (TV) : AUDIO SIGNAL ROUTE (VCR1) : AUDIO SIGNAL ROUTE (VCR2) CN1352 : AUDIO SIGNAL ROUTE (MD) : AUDIO SIGNAL ROUTE (PHONO)
  • Page 22 VSX-908RDS, VSX-908RDS-G 3.4 MAIN CONTROL ASSY (1/3) : The power supply is shown with the marked box. CN906 52045-0545 CN7005 1SS355 1SS355 CN941 : AKB7075 JA911 : DKB1045 CN1353...
  • Page 23 VSX-908RDS, VSX-908RDS-G : AUDIO SIGNAL ROUTE : AUDIO SIGNAL ROUTE (PHONO) MAIN CONTROL ASSY : AUDIO SIGNAL ROUTE (LD) : AUDIO SIGNAL ROUTE (TUNER) (AWX7410) : AUDIO SIGNAL ROUTE (TV) : AUDIO SIGNAL ROUTE (CD) : AUDIO SIGNAL ROUTE (VCR1) : AUDIO SIGNAL ROUTE (TAPE2) : AUDIO SIGNAL ROUTE (VCR2) : AUDIO SIGNAL ROUTE (MR)
  • Page 24 VSX-908RDS, VSX-908RDS-G 3.5 MAIN CONTROL ASSY (2/3) MAIN CONTROL ASSY (AWX7410)
  • Page 25 VSX-908RDS, VSX-908RDS-G : The power supply is shown with the marked box. : AUDIO SIGNAL ROUTE CN501 CN105 113 (2/3) 113 (1/3) 113 (3/3) 113 : AKB7089 Q107 - Q112 : HN1C03F...
  • Page 26 VSX-908RDS, VSX-908RDS-G 3.6 MAIN CONTROL ASSY (3/3) CN9551 CN902 CN903 1SS355 D905-D908 1SS355 D901-D904 1SS355 CN901 CN920 CN5005 CN5008...
  • Page 27 VSX-908RDS, VSX-908RDS-G : The power supply is shown with the marked box. CN7001 MAIN CONTROL ASSY (AWX7410) CN904 CN905 CN108 CN701 CN5003...
  • Page 28 VSX-908RDS, VSX-908RDS-G 3.7 V-AMP ASSY (1/2) V-AMP ASSY (AWX7309) IC7601 (1/2) UPC4570G2 IC7501 (1/2) UPC4570G2 CN501 IC7541 (1/2) UPC4570G2 CN105 IC7521 (1/2) UPC4570G2 IC7621 (1/2) UPC4570G2 505, 506 VEF1040...
  • Page 29 VSX-908RDS, VSX-908RDS-G : AUDIO SIGNAL ROUTE IC7601 (2/2) UPC4570G2 IC7501 (2/2) UPC4570G2 IC7541 (2/2) UPC4570G2 IC7521 (2/2) UPC4570G2 IC7621 (2/2) UPC4570G2...
  • Page 30 VSX-908RDS, VSX-908RDS-G 3.8 V-AMP ASSY (2/2) CN504...
  • Page 31 VSX-908RDS, VSX-908RDS-G V-AMP ASSY (AWX7309) : AUDIO SIGNAL ROUTE CN502 CN2001...
  • Page 32 VSX-908RDS, VSX-908RDS-G 3.9 C-AMP-N, C-AMP-P, OUTPUT-SL, OUTPUT-FL, OUTPUT-C, OUTPUT-FR, OUTPUT-SR and VL-TERMINAL ASSYS C-AMP-N ASSY 2SC1740C (AWX7318) CN502 CN2001 CN2601 CN2501 OUTPUT-SL ASSY OUTPUT-FL ASSY (AWX7322) (AWX7319) C-AMP-P ASSY (AWX7317) F G HA HB...
  • Page 33 VSX-908RDS, VSX-908RDS-G : AUDIO SIGNAL ROUTE CN2541 CN2521 CN2621 OUTPUT-SR ASSY OUTPUT-C ASSY OUTPUT-FR ASSY (AWX7323) (AWX7321) (AWX7320) VL-TERMINAL ASSY (AWX7324) HC HD HE...
  • Page 34 VSX-908RDS, VSX-908RDS-G 3.10 TRANS 2-1, DIODE and SP/PS ASSYS CAUTION : FOR CONTINUED PROTECTION AGAINST RISK OF FIRE. REPLACE ONLY WITH SAME TYPE NO. 49102.5 MFD, BY LITTELFUSE INC. FOR IC4501, IC4502 (AEK7014). DIODE ASSY (AWX7343) TRANS 2-1 ASSY (AWX7403) R4501–R4503 : 22 C4501–C4502 : 0.033/250...
  • Page 35 VSX-908RDS, VSX-908RDS-G HA HE SP/PS ASSY (AWX7359) CN3101 CN3102 CN5001 3004 CN5002 CN3003...
  • Page 36 VSX-908RDS, VSX-908RDS-G 3.11 REGULATOR, TRANS 1 and TRANS 2-2 ASSYS REGULATOR ASSY (AWX7310) CN5001 52147-0810 3004 CN5002 TRANS 1 ASSY 5501 (AWX7316) TRANS 2-2 ASSY (AWX7518) CAUTION : FOR CONTINUED PROTECTION AGAINST RISK OF FIRE. REPLACE ONLY WITH SAME TYPE NO. 491.200 MFD, BY LITTELFUSE INC.
  • Page 37 VSX-908RDS, VSX-908RDS-G : AUDIO SIGNAL ROUTE CN5003 CN108 CN5004 CN104 CN5008 CN920 CN901 CN5005 CN5006 CN5007 CN9801 CN9802...
  • Page 38 VSX-908RDS, VSX-908RDS-G 3.12 VIDEO and S-VIDEO ASSYS VIDEO ASSY (AWX7422) 702 : AKB7017 707 : AKB7020 CN702 1SS355 CN701 CN905...
  • Page 39 VSX-908RDS, VSX-908RDS-G S-VIDEO ASSY (AWX7395) : VIDEO SIGNAL ROUTE : Y SIGNAL ROUTE : C SIGNAL ROUTE CN802 (2/2) AKP7020 CN801 (3/3) AKP7043 CN801 (1/3) AKP7043 CN801 (2/3) AKP7043 1SS355 CN803 (1/2) AKP7020 CN804 CN802 (1/2) AKP7020 CN803 (2/2) AKP7020...
  • Page 40 VSX-908RDS, VSX-908RDS-G 3.13 H. PHONE/F. VIDEO, DISPLAY and ROTARY ENCODER ASSYS H. PHONE/F. VIDEO ASSY (AWX7342) CN7201 CN7004 S7001 : STANDARD S7002 : STEREO S7003 : DSP MODE S7004 : ADVANCED S7005 : THX CINEMA S7006 : STAND BY/ON S7007 : EXTERNAL DECODER IN S7008 : SPEAKERS S7009 : DIRECT...
  • Page 41 VSX-908RDS, VSX-908RDS-G CN7002 CN7101 ROTARY ENCODER ASSY (AWX7405) CN7001 CN904...
  • Page 42 VSX-908RDS, VSX-908RDS-G 3.14 PRIMARY and P-SW ASSY P-SW ASSY (AWX7330) CN6801 PRIMARY ASSY (Except HV Type : AWX7345) (HV Type Only J6000 : AWX7454) 1SS133 CN3001 D6001-D6004 : CN6003 S5688G KP200TA4L DTC143ES ADX7279 1SS133 ADX7280 LIVE FU1 : T4A AEK-514 ACG7020 NEUTRAL AC IN...
  • Page 43 VSX-908RDS, VSX-908RDS-G 3.15 DIGITAL-I/O and RF TERMINAL ASSYS DIGITAL-I/O ASSY (AWX7396) : AUDIO SIGNAL ROUTE JA1204 (1/2) AKB7095 JA1204 (2/2) AKB7095 CN1201 GP1F37R1 CN9803 GP1F37R1 GP1F38T2 RF TERMINAL ASSY (AWX7376) VKB1074 CN1250 CN9804...
  • Page 44 VSX-908RDS, VSX-908RDS-G 3.16 DSP ASSY (1/5) DSP ASSY (AWX7272)
  • Page 45 VSX-908RDS, VSX-908RDS-G...
  • Page 46 VSX-908RDS, VSX-908RDS-G 3.17 DSP ASSY (2/5) : The power supply is shown with the marked box. DSP ASSY (AWX7272) : AUDIO SIGNAL ROUTE CN5007 CN9804 CN1250 CN9803 PCMD...
  • Page 47 VSX-908RDS, VSX-908RDS-G CN9802 CN5006...
  • Page 48 VSX-908RDS, VSX-908RDS-G 3.18 DSP ASSY (3/5) DSP ASSY (AWX7272) PCMD...
  • Page 49 VSX-908RDS, VSX-908RDS-G : AUDIO SIGNAL ROUTE...
  • Page 50 VSX-908RDS, VSX-908RDS-G 3.19 DSP ASSY (4/5) DSP ASSY (AWX7272) VSX-29TX, VSX-27TX ONLY CN9551 CN903...
  • Page 51 VSX-908RDS, VSX-908RDS-G : AUDIO SIGNAL ROUTE...
  • Page 52 VSX-908RDS, VSX-908RDS-G 3.20 DSP ASSY (5/5) DSP ASSY (AWX7272)
  • Page 53 VSX-908RDS, VSX-908RDS-G : AUDIO SIGNAL ROUTE...

  • Page 54: Pcb Connection Diagram

    VSX-908RDS, VSX-908RDS-G 4. PCB CONNECTION DIAGRAM NOTE FOR PCB DIAGRAMS : 1. Part numbers in PCB diagrams match those in the schematic 3. The parts mounted on this PCB include all necessary parts for diagrams. several destinations. 2. A comparison between the main parts of PCB and schematic For further information for respective destinations, be sure to diagrams is shown below.
  • Page 55 VSX-908RDS, VSX-908RDS-G 4.1 EXTERNAL IN, A-PINJACK and CONNECTION ASSYS A-PINJACK ASSY CONNECTION ASSY IC1302 IC1351 IC1303 IC1301 CN103 CN101 EXTERNAL IN ASSY (ANP7308-D) SIDE A...
  • Page 56 VSX-908RDS, VSX-908RDS-G 4.2 MAIN CONTROL ASSY CN1302 CN7005 CN701 To FM/AM TUNER UNIT CN1353 CN5003 IC101 Q991 Q272 Q114 Q271 Q113 SIDE A...
  • Page 57 VSX-908RDS, VSX-908RDS-G MAIN CONTROL ASSY CN9551 CN7001 CN501 (ANP7307-B) CN5004 CN5008 CN5005 IC108 IC114 IC115 IC113...
  • Page 58 VSX-908RDS, VSX-908RDS-G MAIN CONTROL ASSY Q904 Q901 IC901 Q905 Q903 Q902 IC104 IC105 IC107 IC112 SIDE B...
  • Page 59 VSX-908RDS, VSX-908RDS-G (ANP7307-B) IC105 Q902 Q251 Q252 Q109 Q110 IC103 IC102 Q107 Q108 IC109 IC110 Q111 Q112...
  • Page 60 VSX-908RDS, VSX-908RDS-G 4.3 V-AMP ASSY V-AMP ASSY CN105 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...
  • Page 61 VSX-908RDS, VSX-908RDS-G V-AMP ASSY IC581 IC7622 IC7522 IC7542 IC7502 IC7602 IC7621 IC7521 IC7541 IC7501 IC7601 Q624 Q524 Q544 Q504 Q604 Q621 Q521 Q541 Q501 Q601 (ANP7310-C) SIDE B...
  • Page 62 VSX-908RDS, VSX-908RDS-G 4.4 C-AMP-N, C-AMP-P, OUTPUT-SL, OUTPUT-FL, OUTPUT-C, OUTPUT-FR, OUTPUT-SR and VL-TERMINAL ASSYS C-AMP-P ASSY VL-TERMINAL ASSY C-AMP-N ASSY CN502 VR2601 VR2501 Q2002 Q2001 Q2603 Q2503 Q2602 Q2502 SIDE A F G HA HB I...
  • Page 63 VSX-908RDS, VSX-908RDS-G (ANP7309-C) 2501 VR2541 VR2521 VR2621 Q2503 Q2543 Q2523 Q2623 Q2502 Q2542 Q2522 Q2622...
  • Page 64 VSX-908RDS, VSX-908RDS-G 4.5 TRANS 2-1, DIODE, TRANS 1 and TRANS 2-2 ASSYS Line Voltage Selection Line Voltage can be changed by the following modification: 1. Disconnect the AC power cord. Y6001 Y6002 2. Remove the cover. 3. Change the connection wire from TRANS 1 ASSY (Terminal No.
  • Page 65 VSX-908RDS, VSX-908RDS-G 4.6 SP/PS ASSY CN5002 SP/PS ASSY Q3156 Q3159 Q3151 Q3154 Q3005 Q3155 Q3153 Q3152 Q3504 IC3001 Q3502 Q3503 Q3501 (ANP7309-B) CN5001 CN6003 4001 SIDE A...
  • Page 66 VSX-908RDS, VSX-908RDS-G 4.7 REGULATOR, PRIMARY and P-SW ASSYS CN108 CN104 REGULATOR ASSY IC5010 IC5009 IC5006 IC5005 IC5004 P-SW ASSY AC IN (ANP7310-C) CN3003 3004 SIDE A...
  • Page 67 VSX-908RDS, VSX-908RDS-G CN104 CN9801 CN920 CN901 CN9802 5501 (ANP7308-D) IC5002 IC5001 IC5003 IC5007 IC5008 PRIMARY ASSY Y6001 Y6002 NEUTRAL CN3001 AC IN LIVE (ANP7308-D) Q6001 IC6001...
  • Page 68 VSX-908RDS, VSX-908RDS-G 4.8 VIDEO ASSY VIDEO ASSY Q701 Q751 Q753 Q752 Q754 SIDE A CN905 CN804 VIDEO ASSY Q755 IC752 IC751 IC731 SIDE B IC701 (ANP7307-B)
  • Page 69 VSX-908RDS, VSX-908RDS-G 4.9 S-VIDEO ASSY S-VIDEO ASSY Q853 Q852 IC851 Q851 SIDE A CN702 S-VIDEO ASSY IC852 IC831 IC802 Q831 Q833 Q834 IC801 SIDE B (ANP7307-B)
  • Page 70 VSX-908RDS, VSX-908RDS-G 4.10 H. PHONE/F. VIDEO, DISPLAY and ROTARY ENCODER ASSYS DISPLAY ASSY H. PHONE/F. VIDEO ASSY Q7201 Q7202 Q7401 IC7401 Q7403...
  • Page 71 VSX-908RDS, VSX-908RDS-G ROTARY ENCODER ASSY CN906 CN904 (ANP7010-C) SIDE A...
  • Page 72 VSX-908RDS, VSX-908RDS-G ROTARY ENCODER ASSY DISPLAY ASSY Q7053 Q7052 Q7002 Q7005 IC7001 IC7051 Q7051 Q7054...
  • Page 73 VSX-908RDS, VSX-908RDS-G Q7001 (ANP7010-C) H. PHONE/F. VIDEO ASSY IC7071 SIDE B...
  • Page 74 VSX-908RDS, VSX-908RDS-G 4.11 DSP ASSY CN1201 CN1250 DSP ASSY IC9151 Q9001-Q9003 Q9032 Q9004-Q9007 Q9101-Q9104 IC9071 IC9091 IC9101 Q9201-Q9204 IC9102 IC9204 IC9501 IC9203 IC9103 IC9601 IC9401 IC9602 IC9311 IC9321 CN5007 IC9361 IC9411 IC9601 Q9603 IC9371 IC9421 IC9372 Q9605 Q9606 Q9811-Q9813 CN5006 Q9609 Q9608 IC9374...
  • Page 75 VSX-908RDS, VSX-908RDS-G DSP ASSY IC9041 IC9201 Q9205 IC9202 IC9701 IC9602 IC9702 IC9703 IC9603 IC9704 IC9604 IC9705 (ANP7311-C) SIDE B...
  • Page 76 VSX-908RDS, VSX-908RDS-G 4.12 DIGITAL-I/O and RF TERMINAL ASSYS DIGITAL-I/O ASSY RF TERMINAL ASSY CN9804 CN9803 SIDE A RF TERMINAL (ANP7307-B) DIGITAL-I/O ASSY ASSY SIDE B...

  • Page 77: Pcb Parts List

    VSX-908RDS, VSX-908RDS-G Mark No. Description Part No. Mark No. Description Part No. 5. PCB PARTS LIST • NOTES: mark found on some component parts indicates the importance of the safety factor of the part. Therefore, when replacing, be sure to use parts of identical designation. •...
  • Page 78 VSX-908RDS, VSX-908RDS-G Mark No. Description Part No. Mark No. Description Part No. OTHERS MAIN CONTROL ASSY CN903 7P FFC CONNECTOR 52044-0745 CN902 13P FFC CONNECTOR 52044-1345 SEMICONDUCTORS CN906 5P FFC CONNECTOR 52045-0545 IC115 NJM4558LD CN105 23P FFC CONNECTOR 52045-2345 IC103, IC105 NJM4558MD CN905 26P FFC CONNECTOR...
  • Page 79 VSX-908RDS, VSX-908RDS-G Mark No. Description Part No. Mark No. Description Part No. C546, C547, C606, C607 CCSQSL560J50 C626, C627 CCSQSL560J50 C-AMP-P ASSY C7501, C7521, C7541, C7601, C7621 CEAT100M50 C505, C508, C525, C528, C545 CEAT101M16 SEMICONDUCTORS C548, C605, C608, C625, C628 CEAT101M16 Q2504, Q2524, Q2544, Q2604, Q2624 IRF9540A C510, C530, C550, C610, C630...
  • Page 80 VSX-908RDS, VSX-908RDS-G Mark No. Description Part No. Mark No. Description Part No. SWITCHES AND RELAYS VL-TERMINAL ASSY RY3101-RY3105 ASR7014 CAPACITORS CAPACITORS C2011, C2012 CEAT1R0M2A C3001, C3002 (22000µF/56V) C3118 CEAT100M50 OTHERS C3502 CEAT1R0M50 KN2011,KN2012 GROUND PLATE ANK-142 C3504 CEAT471M25 C3501 CEAT471M35 C3101–C3110 CFTYA224J50 TRANS 2-1 ASSY...
  • Page 81 VSX-908RDS, VSX-908RDS-G Mark No. Description Part No. Mark No. Description Part No. C5001, C5003, C5006 CEAT222M25 C761, C762 CCSQCH240J50 C5002, C5004 CEAT222M35 C754 CEAT100M50 C5005 CEAT332M25 C701–C704, C710–C712 CEAT101M10 C5007 CEAT472M16 C734, C735, C755, C764, C765 CEAT101M10 C5008, C5010, C5012, C5014, C5016 CKCYF103Z50 C781–C784 CEAT101M10 C5018, C5020, C5022...
  • Page 82 VSX-908RDS, VSX-908RDS-G Mark No. Description Part No. Mark No. Description Part No. C7051 CKSQYB103K50 OTHERS C7401 CKSQYB472K50 CN804 21P FFC CONNECTOR 52045-2145 C7009 CKSQYB473K50 CN802, CN803 4P MINI DIN SOCKET AKP7020 C7408 CKSQYB561K50 CN801 4P MINI DIN SOCKET AKP7043 JA881, JA882 RKN1004 RESISTORS REMOTE CONTROL JACK...
  • Page 83 VSX-908RDS, VSX-908RDS-G Mark No. Description Part No. Mark No. Description Part No. (2) PARTS LIST FOR AWX7345 RF TERMINAL ASSY SEMICONDUCTORS CAPACITORS IC6001 NJM78M56FA Q6001 DTC143ES C1251 CKSQYB473K50 D6005–D6007 1SS133 C1250 CKSQYF473Z50 D6008 MTZJ5.1A D6001–D6004 S5688G RESISTORS All Resistors RS1/10S COILS AND FILTERS L6001 LINE FILTER...
  • Page 84 VSX-908RDS, VSX-908RDS-G Mark No. Description Part No. Mark No. Description Part No. C9601, C9602, C9613, C9614, C9625 CKSRYB222K50 CAPACITORS C9701, C9702 CKSRYB272K50 C9329, C9349, C9355, C9357, C9358 CCSQCH101J50 C9732 CKSRYB333K16 C9378, C9386 CCSQCH101J50 C9645 CKSRYB472K50 C9232, C9453–C9455, C9742, C9809 CCSQCH221J50 C9215, C9218, C9404, C9407, C9410 CKSRYB473K16 C9815, C9816 CCSQCH221J50...

  • Page 85: Adjustment

    VSX-908RDS, VSX-908RDS-G 6. ADJUSTMENT 6.1 IDLE CURRENT ADJUSTMENT • CAUTION : Heatsink's DC level is equal to +B or -B. Don't touch them or you will be electricary shocked. 1. Decrease the level of the Adjustment Variable resistors (VR) for the channel to be adjusted. ( Turn counterclockwise.) 2.

  • Page 86: General Information

    VSX-908RDS, VSX-908RDS-G 7. GENERAL INFORMATION 7.1 DISASSEMBLY C-AMP-N and C-AMP-P ASSYS ×2 ×2 ×2 ×3 Remove six PCBs. ×2 OUTPUT ×2 -SR Assy OUTPUT -FR Assy ×2 VL-TERMINAL OUTPUT OUTPUT OUTPUT Assy -SL Assy -FL Assy -C Assy ×4 C-AMP-N Assy C-AMP-P Assy CN2001 Heat Sink –B...
  • Page 87 VSX-908RDS, VSX-908RDS-G DIODE, REGULATOR and Other ASSYS SP/PS Assy VIDEO Assy S-VIDEO Assy PRIMARY Assy A-PINJACK Assy EXTERNAL IN ASSY TRANS2-1 Assy DIGITAL I/O Assy CONNECTION Assy TRANS1 Assy TUNER MODULE MAIN CONTROL Assy TRANS2-2 Assy DSP Assy H.PHONE/F.VIDEO Assy REGULATOR Assy V-AMP Assy DISPLAY Assy...

  • Page 88: Parts

    VSX-908RDS, VSX-908RDS-G 7.2 PARTS 7.2.1 IC • The information shown in the list is basic information and may not correspond exactly to that shown in the schematic diagrams. • List of IC PD5507B, PD5506A PD5507B (DISPLAY ASSY : IC7001) • Display Control IC •...
  • Page 89 VSX-908RDS, VSX-908RDS-G • Pin Function Pin Name Function Pin Name Function XANTECH O XANTECH ON/OFF 51 G7 Grid output 7 KEY 2 Key scan input 2 52 G8 Grid output 8 KEY 3 Key scan input 3 53 G9 Grid output 9 KEY 4 Key scan input 4 54 G10...
  • Page 90 VSX-908RDS, VSX-908RDS-G PD5506A (MAIN CONTROL ASSY : IC901) • Main Control IC • Pin Assignment (Top View) P20/BUZ02 TEMP IN P75/AN5 OSD CS /FLD00 A MUTE P74/AN4 P21/FLD01 OSD RST HCS1 P73/AN3 P22/FLD02 2279 SW1 HRST P72/AN2 P23/FLD03 2279 SW2 HMUTE P71/AN1 P24/FLD04...
  • Page 91 VSX-908RDS, VSX-908RDS-G • Pin Function Pin Name Function Pin Name Function O/open (KU,J,SD), I/Fan temperature A/D Audio mute ON/OFF for sub room (MR&S, TEMP IN 41 MR MUTE input (other) MR model only) A MUTE O Audio mute ON/OFF 42 A MUTE2 Audio preout mute ON/OFF DSP CS1 O Chip select for IC9501 DSP U-COM...

  • Page 92: Display

    VSX-908RDS, VSX-908RDS-G 7.2.2 DISPLAY AAV7063 (DISPLAY ASSY :V7001) • FL Indicator Tube • Pin Assignment • Grid Assignment...
  • Page 93 VSX-908RDS, 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 94: Remote Control Unit

    VSX-908RDS, VSX-908RDS-G 7.3 REMOTE CONTROL UNIT [AXD7214 (CU-VSX162) and AXD7236 (CU-VSX165)] 7.3.1 EXPLODED VIEWS AND PARTS LIST • NOTES: Parts marked by "NSP" are generally unavailable because they are not in our Master Spare Parts List. • mark found on some component parts indicates the importance of the safety factor of the part. Therefore, when replacing, be sure to use parts of identical designation.
  • Page 95 VSX-908RDS, VSX-908RDS-G 7.3.2 PCB DIAGRAM C11 R76 R8 R13 M30622MA 8MHz T6 T7 SIDE A SIDE B...
  • Page 96 VSX-908RDS, VSX-908RDS-G 7.3.3 SCHEMATIC DIAGRAM D4 - D36 AZC7292 M.OPE SYS OFF DVD/LD TV/SAT 100k 100k 100k 100k 100k 100k 100k 100k 100k 100k 100k 100k 100k 100k 100k 100k 100k AZC7285 P107 P106 P105 P104 P103 P102 P101 D37-D44 AVSS 1SS355 P100...
  • Page 97 VSX-908RDS, VSX-908RDS-G TC74HC07AF VCR1 VCR2 TUNER TVCONT. DTA114TS DTA114TS CURSOR ALL KEY TC74HC08AF 100k 100k 100k 100k 100k 74HC08 1/4W 1/4W 1/4W AZC7291 AZC7291 AZC7291 2SC3265 2SC3265 2SC3265 100k 100k 1SS355 2SC2712 2SA1037K 4.7k 470p SPS-503C-3 DTC114TK 100k...
  • Page 98 VSX-908RDS, VSX-908RDS-G 7.3.4 PCB PARTS LIST • NOTES: mark found on some component parts indicates the importance of the safety factor of the part. Therefore, when replacing, be sure to use parts of identical designation. • When ordering resistors, first convert resistance values into code form as shown in the following examples. Ex.1 When there are 2 effective digits (any digit apart from 0), such as 560 ohm and 47k ohm (tolerance is shown by J=5%, and K=10%).

  • Page 99: Panel Facilities And Specifications

    VSX-908RDS, VSX-908RDS-G 8. PANEL FACILITIES AND SPECIFICATIONS 8.1 PANEL FACILITIES Front Section All the controls on the front panel are explained and/or referenced here. To open the front panel push gently on the lower third of the panel. 3 4 5 6 7 8 9 0 AUDIO/VIDEO MULTI-CHANNEL RECEIVER INPUT...
  • Page 100 VSX-908RDS, VSX-908RDS-G - INPUT SELECTOR dial ) CHARACTER/SEARCH button Turn to select a source component. The source indicators Press to select the character input mode, or initiate an RDS on the display shows the current component: PTY search. DVD/LD : DVD player or Laser Disc player. TV/SAT : TV tuner or satellite tuner.
  • Page 101 VSX-908RDS, VSX-908RDS-G Display All the display information is explained here. 5 67 SIGNAL LOUDNESS MIDNIGHT STEREO VOLUME PRO LOGIC SELECT OVER ANALOG SP DIGITAL DIGITAL RF ATT AC-3RF MONO STEREO AUTO TUNED AMFM MPEG TAPE 2 AC-3DTS MPEG 1 SIGNAL SELECT indicators Surround/dts ( ) mode indcators MPEG...
  • Page 102 VSX-908RDS, VSX-908RDS-G Remote Control Unit 1 SOURCE These pages describe the buttons on the remote control used button to operate the receiver. Use to turn on the power of your other components after you have recalled or taught the signals to this remote control. 2 MULTI CONTROL buttons Use these buttons to select a source and the corresponding remote operation mode.
  • Page 103 This button turns off components in two ways. First, when stereo mode when it’s in a different sound mode. For more pressed, it will turn off all PIONEER components. Secondly, any component that has programmed into the SYSTEM information on the sound modes.
  • Page 104 VSX-908RDS, VSX-908RDS-G Audio Components Connections Before making or changing the connections, switch off the power and disconnect the power cord from the AC outlet. To begin set up connect your audio components to the jacks as shown below. These are all analog connections and your analog audio components (turntable, cassette deck) use these jacks.
  • Page 105 VSX-908RDS, VSX-908RDS-G 8.2 SPECIFICATIONS Amplifier Section FM Tuner Section Frequency Range .......... 87.5 MHz to 108 MHz Continuous Power Output (STEREO MODE) Usable Sensitivity ....... Mono: 15.2 dBf, IHF (1.6 µV/75 Ω) FRONT ...... 110 W + 110 W (DIN 1 kHz, THD 1 %, 8Ω) 50 dB Quieting Sensitivity ........
  • Page 106 VSX-908RDS, VSX-908RDS-G Accessories Remote control unit (CU-VSX162 : AXD7214) FM wire antenna AM loop antenna “AA” IEC LR6 batteries x 2 VSX-908RDS (ADH7010) (ATB7009) (CU-VSX165 : AXD7236) VSX-908RDS-G...

This manual is also suitable for:

Vsx-908rds-gVsx-d938tx

Table of Contents