Pioneer VSX-D508 Service Manual
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Pioneer VSX-D508 Service Manual

Audio/video multi-channel receiver
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AUDIO/VIDEO MULTI-CHANNEL RECEIVER
VSX-D508
THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S).
Model
Type
VSX-D508
KUXJI
KCXJI
CONTENTS
1. SAFETY INFORMATION ...................................... 2
3. SCHEMATIC DIAGRAM ....................................... 6
4. PCB CONNECTION DIAGRAM .......................... 26
5. PCB PARTS LIST ............................................... 39
6. ADJUSTMENT .................................................... 47
PIONEER ELECTRONIC 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
c
PIONEER ELECTRONIC CORPORATION 1999
ST ANDBY
ST ANDBY/ON
PHONES
Power Requirement
AC120V
AC120V
4-1, Meguro 1-Chome, Meguro-ku, Tokyo 153-8654, Japan
VSX-D508
AUDIO/VIDEO MUL TI-CHANNEL RECEIVER
MPX
DSP
CLASS
MEMORY
MODE
MODE
-
+
TUNING
SIGNAL
ST A TION
SELECT
SELECT
MIDNIGHT
-
FREQUENCY
+
DO WN
SPEAKERS
B ASS
TREBLE
-
+
-
+
A
B
LOUDNESS
DIRECT
VIDEO
VIDEO
INPUT
T APE 2
VCR
D VD/LD
TV/SA T
VIDEO
CD
FM/AM
MD/T APE 1
MONIT OR
D VD 5.1CH
7. GENERAL INFORMATION ................................ 48
7.1 PARTS .......................................................... 48
7.1.1 IC ........................................................... 48
7.1.2 DISPLAY ................................................ 51
7.2 DISASSEMBLY ............................................ 53
7.3 BLOCK DIAGRAM ........................................ 55
7.4 REMOTE CONTROL UNIT .......................... 56
[CU-VSX138 (AXD7178)]
MASTER
V OLUME
UP
L
A UDIO R
ORDER NO.
RRV2086
Remarks
T - IZK JAN. 1999 Printed in Japan

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  • Page 1: Table Of Contents

    PIONEER ELECTRONIC 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 ELECTRONIC CORPORATION 1999 T –...

  • Page 2: 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 3: Exploded Views And Parts List

    AHA7236 Rear Pad 508 AHA7237 Packing Case 508UC AHD7643 11(2/2) (2) CONTRAST TABLE VSX-D508/KUXJI and KCXJI are constructed the same except for the following : Part No. Mark No. Symbol and Description Remarks KUXJI Type KCXJI Type Operating Instructions (English)
  • Page 4 VSX-D508 2.2 EXTERIOR (KCXJI Type ∗ Only) ∗ Note Torque is 12 kg • cm – 0 ∗ 19 54 Accessories of Front Panel 508 59 53 (No. 47)
  • Page 5 FET Angle ANG7186 Foot Assy REC1263 Fuse (FU701 : 10A) See Contrast table (2) (2) CONTRAST TABLE VSX-D508/KUXJI and KCXJI are constructed the same except for the following : Part No. Mark No. Symbol and Description Remarks KUXJI Type KCXJI Type...

  • Page 6: Schematic Diagram

    VSX-D508 3. SCHEMATIC DIAGRAM 3.1 OVERALL WIRING CONNECTION DIAGRAM FM/AM TUNER 1/3- UNIT FRONT VIDEO DOLBY DIGITAL (AXX7046) ASSY ASSY (AWX7239) (AWX7333) 1/2, INPUT ASSY (AWX7207) VIDEO ASSY (AWX7234)
  • Page 7 VSX-D508 Note : When ordering service parts, be sure to refer to "EXPLODED VIEWS and PARTS LIST" or "PCB PARTS LIST". POWER SW HEADPHONE ASSY ASSY (AWX7222) (AWX7229) FRONT ASSY (AWX7212) TRANS 1 ASSY (AWX7231) POWER TRANSFORMER (T1) (KUXJI TYPE : ATS7234)
  • Page 8 VSX-D508 3.2 INPUT ASSY (1/2) CN602 INPUT ASSY(1/2) (AWX7207) • FUNCTION BLOCK FM/AM TUNER UNIT CN202...
  • Page 9 VSX-D508 L ch : AUDIO SIGNAL ROUTE C ch : AUDIO SIGNAL ROUTE (CENTER) FL ch : AUDIO SIGNAL ROUTE (FRONT) CN9801 CN507 CN9802 CN202...
  • Page 10 VSX-D508 3.3 INPUT ASSY (2/2) INPUT ASSY(2/2) (AWX7207) • E. VOL BLOCK IC301 LC7535M (LC7536M) 120p IC303 LC7535M (LC7536M)
  • Page 11 VSX-D508 FL ch : AUDIO SIGNAL ROUTE (FRONT) 120p IC302 LC7535M (LC7536M) 120p...
  • Page 12 VSX-D508 3.4 FRONT and POWER SW ASSEMBLIES CN111 FRONT ASSY (AWX7212) MASTER VOLUME POWER SW ASSY (AWX7222) CN9371...
  • Page 13 VSX-D508 CN401 FRONT ASSY S201 : MIDNIGHT S202 : DSP MODE S205 : – BASS S206 : + S207 : – TREBLE S208 : + S209 : A SPEAKERS S210 : B S211 : LOUDNESS S212 : DIRECT S213 :...
  • Page 14 VSX-D508 3.5 AMP (1/2), F.SP.CONNECT, R.C.SP.CONNECT, FRONT SP. and REAR SP ASSEMBLIES 4.7/50 4.7/50 4.7/50 4.7/50 4.7/50 AMP ASSY(1/2) (KUXJI TYPE : AWX7223) JA413 AKB7111 (KCXJI TYPE : AWX7331)
  • Page 15 VSX-D508 FL ch : AUDIO SIGNAL ROUTE (FRONT) F.SP. CONNECT ASSY (AWX7285) FRONT SP. ASSY (AWX7243) AKE7006 JA653 AKB7111 AKE7041 REAR SP ASSY (AWX7250) R.C.SP. CONNECT ASSY (AWX7286) CAUTION : FOR CONTINUED PROTECTION AGAINST RISK OF FIRE, REPLACE ONLY WITH SAME TYPE NO. ICP-N25, MFD BY...
  • Page 16 VSX-D508 3.6 AMP (2/2), HEADPHONE, TRANS 2, TRANS 1, BARRIER and FET ASSEMBLIES CN203 AMP ASSY(2/2) (KUXJI TYPE : AWX7223) (KCXJI TYPE : AWX7331) +43.1 –43.1 : AUDIO SIGNAL ROUTE (HEAD PHONE) ATT1223 HEADPHONE ASSY (AWX7229)
  • Page 17 VSX-D508 FET ASSY (AWX7228) BARRIER ASSY (AWX7284) +66.1 KUXJI TYPE KCXJI REK1087 TYPE –66.1 CN115 TRANS 2 ASSY (AWX7232) MAIN TRANS. VEK1027 TRANS 1 ASSY AC OUTLET (AWX7231) CAUTION : FOR CONTINUED PROTECTION AGAINST RISK OF FIRE, REPLACE ONLY WITH SAME TYPE NO. ICP-N70, MFD BY ROHM CO., LTD.
  • Page 18 VSX-D508 3.7 VIDEO ASSY VIDEO ASSY (AWX7234) NJM4558D-D NJM4558D-D CN110 NJM4558D-D NJM4558D-D...
  • Page 19 VSX-D508 3.8 FRONT VIDEO ASSY CN601 AKB7085 FRONT VIDEO ASSY (AWX7239) PCB BINDER VEF1040 Y20 ADX7248 CN105...
  • Page 20 VSX-D508 3.9 DOLBY DIGITAL ASSY (1/3) : AUDIO SIGNAL ROUTE...
  • Page 21 VSX-D508 DOLBY DIGITAL ASSY(1/3) (AWX7333) • INPUT & CODEC BLOCK CN113...
  • Page 22 VSX-D508 3.10 DOLBY DIGITAL ASSY (2/3)
  • Page 23 VSX-D508 DOLBY DIGITAL ASSY(2/3) (AWX7333) • DSP & CONTROL BLOCK CN201...
  • Page 24 VSX-D508 3.11 DOLBY DIGITAL ASSY (3/3)
  • Page 25 VSX-D508 DOLBY DIGITAL ASSY(3/3) (AWX7333) • FILTER & MUTE BLOCK : AUDIO SIGNAL ROUTE...

  • Page 26: Pcb Connection Diagram

    VSX-D508 4. PCB CONNECTION DIAGRAM 4.1 INPUT and FRONT VIDEO ASSEMBLIES 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.
  • Page 27 VSX-D508 FM/AM TUNER UNIT CN202 (ANP7266-A) CN9802 CN9801 CN507 IC102 Q104-Q107 IC101 IC103 Q101-Q103 SIDE A...
  • Page 28 VSX-D508 INPUT ASSY IC109 IC307-IC309 SIDE B...
  • Page 29 VSX-D508 (ANP7266-A) 07-IC309 IC301-IC303 IC304-IC306 IC310 SIDE B...
  • Page 30 VSX-D508 4.2 FRONT and POWER SW ASSEMBLIES CN401 POWER Q202 Q205 Q204 Q203 Q201 SW ASSY IC201...
  • Page 31 VSX-D508 CN111 (ANP7266-A) FRONT ASSY CN9371 SIDE A Q201 Q207 Q206 SIDE B FRONT ASSY (ANP7266-A) IC201...
  • Page 32 VSX-D508 4.3 AMP, HEADPHONE and FET ASSEMBLIES (ANP7267-B) FET ASSY Q1452 Q1451 (ANP7267-B) HEADPHONE ASSY SIDE A CN203 AMP ASSY CN112 Q403 Q401 Q1404 Q1405 IC405 Q407 Q401 Q405 Q406 Q402 IC401 Q408 Q1402 D I M...
  • Page 33 VSX-D508 LIVE NEUTRAL AC IN (ANP7267-B) Q1436 Q1435 Q454 IC711 IC701 Q701 Q715 Q453 Q456 Q458 IC404 Q711-Q714 IC1403 Q1403 Q1401 Q451 Q457 IC402 Q452 Q1433 Q1434...
  • Page 34 VSX-D508 4.4 F.SP.CONNECT, R.C.SP.CONNECT, FRONT SP. and REAR SP ASSEMBLIES FRONT SP. ASSY Q631 Q628 Q626 Q630 Q627 Q629 (ANP7267-B) F.SP. R.C.SP. CONNECT CONNECT ASSY ASSY (ANP7267-B) (ANP7267-B) REAR SP SIDE A ASSY (ANP7266-A) Q652 Q651 REAR SP ASSY SIDE B...
  • Page 35 VSX-D508 4.5 TRANS 2, TRANS 1 and BARRIER ASSEMBLIES BARRIER ASSY (ANP7267-B) TRANS 2 ASSY (ANP7267-B) IC354 CN115 IC351 IC353 POWER TRANSFORMER (T1) TRANS 1 ASSY (ANP7267-B) SIDE A...
  • Page 36 VSX-D508 4.6 DOLBY DIGITAL ASSY DOLBY DIGITAL ASSY CN201 IC9701 IC9703 Q9605 Q9606 IC9604 CN113 Q9602 Q9604 IC9705 IC9601 IC9602 Q9611 Q9614 IC9704 IC9603 Q9608 Q9610 Q9202 IC9201 Q9615 Q9201 IC9702 Q9616 CN108 IC9391 Q9402 Q9325 Q9324 Q9401 IC9301 IC9323...
  • Page 37 VSX-D508 DOLBY DIGITAL ASSY (ANP7296-B) SIDE B...
  • Page 38 VSX-D508 4.7 VIDEO ASSY IC501 Q501-Q505 Q506 IC502 IC503 VIDEO ASSY (ANP7267-B) CN110 SIDE A...

  • Page 39: Pcb Parts List

    VSX-D508 5. PCB PARTS LIST NOTES: ¶Parts marked by "NSP" are generally unavailable because they are not in our Master Spare Parts List. ¶The mark found on some component parts indicates the importance of the safety factor of the part.
  • Page 40 VSX-D508 Mark No. Description Parts No. Mark No. Description Parts No. C1301 ELECT. CAPACITOR CEAT100M50 C320 ELECT. CAPACITOR CEAT470M25 C1302 ELECT. CAPACITOR CEAT1R0M50 C321 ELECT. CAPACITOR CEAT470M25 C1303 ELECT. CAPACITOR CEAT1R0M50 C322 CHIP CAPACITOR CCSQCH102J50 C1306 CERAMIC CAPACITOR CKSQYB103K50 C323...
  • Page 41 VSX-D508 Mark No. Description Parts No. Mark No. Description Parts No. D203 DIODE 1SS355 C206 ELECT. CAPACITOR CEAT2R2M50 D204 DIODE 1SS355 C207 CERAMIC CAPACITOR CKSQYF104Z25 D205 DIODE 1SS355 C208 ELECT. CAPACITOR CEAT2R2M50 D206 DIODE 1SS355 C209 CERAMIC CAPACITOR CKSQYB473K50 D207...
  • Page 42 VSX-D508 Mark No. Description Parts No. Mark No. Description Parts No. IC701 REGULATOR IC NJM78M56FA D704 DIODE 1SS133 IC711 OP-AMP IC NJM4558D-D D711 DIODE D5SBA20 Q1401 TRANSISTOR 2SC2878 D712 DIODE D5SBA20 Q1402 TRANSISTOR 2SC2240 D713 ZENNER DIODE MTZJ18B Q1403 TRANSISTOR...
  • Page 43 VSX-D508 Mark No. Description Parts No. Mark No. Description Parts No. C451 CERAMIC CAPACITOR CKCYB331K50 R703 CARBON FILM RESISTOR RD1/2PM270J C452 CERAMIC CAPACITOR CKCYB331K50 R704 RESISTOR(2.2MΩ/ 1/2W) RCN1080 C453 ELECT. CAPACITOR CEAT4R7M50 Other Resistors RD1/4PU&&&J C454 ELECT. CAPACITOR CEAT4R7M50 C455 ELECT.

  • Page 44: Headphone Assy

    VSX-D508 Mark No. Description Parts No. Mark No. Description Parts No. RELAYS TRANS 2 ASSY RY626 RELAY ASR7001 SEMICONDUCTORS RY627 RELAY ASR7001 RY628 RELAY ASR7001 IC351 IC PROTECTOR ICP-N70 IC352 IC PROTECTOR ICP-N70 IC353 IC PROTECTOR ICP-N70 CAPACITORS IC354 IC PROTECTOR...
  • Page 45 VSX-D508 Mark No. Description Parts No. Mark No. Description Parts No. VIDEO ASSY FRONT VIDEO ASSY SEMICONDUCTORS CAPACITORS IC501 VIDEO SW IC NJM2296D C605 CERAMIC CAPACITOR CGCYX104M25 IC502 OP-AMP IC NJM4558D-D C606 CERAMIC CAPACITOR CGCYX104M25 IC503 OP-AMP IC NJM4558D-D C608 ELECT.
  • Page 46 VSX-D508 Mark No. Description Parts No. Mark No. Description Parts No. Q9613 CHIP DIGITAL TRANS. DTA124EK C9321 ELECT. CAPACITOR CEJA221M6R3 Q9614 CHIP DIGITAL TRANS. DTA124EK C9323 CHIP CERAMIC C. CCSRCH221J50 Q9615 CHIP MUTING TR 2SC3326 C9324 CERAMIC CAPACITOR CCSRCH101J50 Q9616...

  • Page 47: Adjustment

    VSX-D508 Mark No. Description Parts No. Mark No. Description Parts No. C9609 CHIP CERAMIC C. CCSRCH221J50 C9738 CERAMIC CAPACITOR CKSRYF104Z16 C9610 CHIP CERAMIC C. CCSRCH221J50 C9739 ELECT. CAPACITOR CEJA220M25 C9613 CHIP CERAMIC C. CCSRCH471J50 C9740 ELECT. CAPACITOR CEJA220M25 C9614 CHIP CERAMIC C.

  • Page 48: General Information

    VSX-D508 7. GENERAL INFORMATION 7.1 PARTS 7.1.1 IC • The information shown in the list is basic information and may not correspond exactly to that shown in the schematic diagrams. PDG230A (FRONT ASSY : IC201) • System Control Microcomputer •...
  • Page 49 VSX-D508 • Pin Function Pin Name Pin Function Active Grid output 2 Grid output 1 − Connect to VDD ACIN AC pulse input DSPDTIN Data input from CS4226-KQ AC3REQ Data request from MUCAP Digital mode : DIR lock/unlock (L : Lock)
  • Page 50 VSX-D508 Pin Name Pin Function Active SVIDEO1 SVIDEO2 TC4051 control (S terminal control) SVIDEO3 TMUTE Tuner mute VMUTE Video mute CDREST CS4226-KQ reset LC4966 Input switch the DVD 6ch (L: DVD 5.1ch) ST_9174 Strobe signal for communication with TC9174 AC3_9164...

  • Page 51: Display

    VSX-D508 7.1.2 DISPLAY AAV7062 (FRONT ASSY : V201) • FL Indicator Tube • Pin Assignment • Pin Connection • Grid Assignment...
  • Page 52 VSX-D508 • Anode Connection...

  • Page 53: Disassembly

    VSX-D508 7.2 DISASSEMBLY Remove the Bonnet. (seven screws) Release three binders ( ) from the Power Transformer (T1). Remove all screws which fixing the Chassis. Power Transformer (T1) Heat Sink • INPUT Assy (eight screws , Card Spacer ×4 • DSP Shield (screw •...
  • Page 54 VSX-D508 Open the Chassis and Rear Panel It can be disgnosed under this condition. Show the principal PCB Assemblies in the illustration. INPUT Assy (Side B) AMP Assy (Side B) Chassis Rear Panel Rear View Chassis DOLBY DIGITAL Assy Front Panel...

  • Page 55: Block Diagram

    VSX-D508 7.3 BLOCK DIAGRAM...

  • Page 56: Remote Control Unit

    VSX-D508 7.4 REMOTE CONTROL UNIT [CU-VSX138 (AXD7178)] 7.4.1 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.
  • Page 57 VSX-D508 7.4.2 Schematic Diagram Note : When ordering service parts, be sure to refer to "EXPLODED VIEWS and PARTS LIST" or "PCB PARTS LIST".
  • Page 58 VSX-D508 7.4.3 PCB Diagram SIDE A SIDE B...
  • Page 59 VSX-D508 7.4.4 PCB Parts List NOTES: ¶Parts marked by "NSP" are generally unavailable because they are not in our Master Spare Parts List. ¶The mark found on some component parts indicates the importance of the safety factor of the part.

  • Page 60: Panel Facilities And Specifications

    VSX-D508 8. PANEL FACILITIES AND SPECIFICATIONS 8.1 PANEL FACILITIES Front Section 3 4 5 6 7 8 ~ ! @ # $ VSX-D508 AUDIO/VIDEO MUL TI-CHANNEL RECEIVER MASTER V OLUME ST ANDBY CLASS MEMORY MODE MODE ST ANDBY/ON TUNING SIGNAL –...

  • Page 61: Master Volume

    VSX-D508 ^ MASTER VOLUME • SIGNAL SELECT is fixed in the “ANALOG” position for components not assigned to one of the three digital After turning on the desired component, rotate to adjust input jacks. the volume. • Because the audio from a karaoke microphone and &...

  • Page 62: Overload Indicator

    VSX-D508 Display DIRECT SIGNAL MONO MIDNIGHT LOUDNESS STEREO TUNED SELECT ANALOG PRO LOGIC DIGITAL DIGITAL AC-3 1 SIGNAL SELECT indicators - Tuner indicators Light to indicate the type of input signal selected for the STEREO : Lights when an FM stereo broadcast is current component (refer to “Front Panel”...

  • Page 63: Power Button

    VSX-D508 Remote Control Unit 7 Number buttons These buttons can perform a variety of different functions depending on the remote operation mode. RECEIVER • [RECEIVER operations (press RECEIVER first) ] Selects the (Dolby) mode. DSP MODE : Press repeatedly to select a DSP sound mode.
  • Page 64 VSX-D508 Audio Components Connections Be sure to switch power to standby and remove the power cord from the wall outlet when you make or change connections. Connect your audio components as shown below. • Illustration shows VSX-D608. FRONT SPEAKERS ANTENNA...

  • Page 65: Specifications

    VSX-D508 8.2 SPECIFICATIONS Amplifier Section FM Tuner Section Frequency Range ......... 87.5 MHz to 108 MHz Continuous average power output of 100 Usable Sensitivity ..... Mono: 13.2 dBf, IHF (1.3 µV/75 Ω) watts* per channel, min., at 8 ohms, from 20 50 dB Quieting Sensitivity ........

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