Pioneer VSX-D508 Service Manual Download Page 36 | Manualshive

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VSX-D508

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4.6 DOLBY DIGITAL ASSY

(ANP7296-B)

IC9701

IC9703

IC9705

Q9202

Q9605 Q9606

IC9604

IC9601

IC9704

IC9201

IC9602

IC9603

Q9615

Q9201

IC9401

IC9101

IC9702

IC9311

IC9151

Q9321

Q9402

Q9401

Q9616

IC9391

IC9301

Q9602

Q9604

Q9611

Q9614

Q9608

CN201

B

CN113

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DOLBY DIGITAL ASSY

P

CN108

A

SIDE A

Q9610

Q9325

Q9324

IC9323

IC9321

IC9322

P

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Summary of Contents for VSX-D508

Page 1: ...TENTS 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 8 PANEL FACILITIES AND SPECIFICATIONS 60 T IZK JAN 1999 Printed in Japan Type Model Power Requirement Remarks VSX D508 KUXJI AC120V KCXJI AC120V THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL S AND TYPE S AUDIO VIDEO MULTI CHANNEL RECEIVER ...

Page 2: ... 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 Service Manual...

Page 3: ...LR6 AA 3 Operating Instructions See Contrast table 2 4 Sub Instruction Manual ARH7039 System Set up 5 FM Antenna ADH7004 6 AMLoop Antenna ATB7009 NSP 7 Warranty Card See Contrast table 2 8 Remote Control Unit AXD7178 CU VSX138 9 10 Polyethylene Bag Z21 038 0 03 230 340 11 Front Pad 508 AHA7236 12 Rear Pad 508 AHA7237 13 Packing Case 508UC AHD7643 4 5 6 7 5 6 3 8 2 10 11 1 2 11 2 2 12 2 2 12 1 2 1 ...

Page 4: ... Accessories of Front Panel 508 No 47 57 70 Note 1 Torque is 12 kg cm 57 21 25 22 2 57 59 59 53 57 47 9 36 37 30 57 57 1 58 34 17 24 52 16 4 11 12 26 28 31 60 60 57 53 69 66 1 1 68 57 61 57 57 64 65 65 62 63 57 57 57 58 71 KCXJI Type Only 20 19 54 10 55 55 18 33 5 8 7 57 40 57 57 57 35 27 59 59 44 50 53 57 49 56 42 46 41 51 6 43 3 40 2 0 ...

Page 5: ...acer AEC7160 38 PCB Mold AMR2533 NSP 39 Card Spacer DEC1770 NSP 40 Binder RNE1277 41 Volume Knob 508 AAB7179 42 Sub Panel 508 AAD7482 43 Function Button AAD7483 44 Power Button AAD7440 45 46 Display Window R508 AAK7579 47 Front Panel 508 AMB7525 48 49 Name Plate PAM1776 50 LED Lens PNW2019 51 52 53 Screw ABA7009 54 Screw ABA7043 55 Screw ABA7044 56 57 Screw BBZ30P080FZK 58 Screw BBZ30P200FMC 59 Sc...

Page 6: ...1 2 3 4 1 2 3 4 2 2 INPUT ASSY AWX7207 A VIDEO ASSY AWX7234 N FRONT VIDEO ASSY AWX7239 FM AM TUNER UNIT AXX7046 O DOLBY DIGITAL ASSY AWX7333 A 1 2 A 3 3 P P 1 3 P 3 SCHEMATIC DIAGRAM 3 1 OVERALL WIRING CONNECTION DIAGRAM ...

Page 7: ...X7285 E BARRIER ASSY AWX7284 POWER TRANSFORMER T1 KUXJI TYPE ATS7234 KCXJI TYPE ATS7235 L TRANS 2 ASSY AWX7232 J TRANS 1 ASSY AWX7231 K POWER SW ASSY AWX7222 HEADPHONE ASSY AWX7229 C FRONT ASSY AWX7212 B I AC POWER CORD ADG7024 J52 J51 FU1 REK1087 10A FU701 REK1087 10A KCXJI TYPE ONLY FU2 VEK1027 7A AC120V 60Hz Note When ordering service parts be sure to refer to EXPLODED VIEWS and PARTS LIST or P...

Page 8: ...3 4 3 2 INPUT ASSY 1 2 1 2 INPUT ASSY 1 2 AWX7207 CN602 O CN202 B A FUNCTION BLOCK 406 1 2 D 2 2 A TO FM AM TUNER UNIT JA103 1 2 AKB7113 JA102 1 2 AKB7113 JA101 1 2 AKB7113 JA101 2 2 AKB7113 JA102 2 2 AKB7113 JA103 2 2 AKB7113 1 2 A ...

Page 9: ...VSX D508 9 A B C D 5 6 7 8 5 6 7 8 CN202 B CN507 N 352 J 2 2 A CN9801 1 3 P CN9802 1 3 P AUDIO SIGNAL ROUTE L ch AUDIO SIGNAL ROUTE CENTER C ch AUDIO SIGNAL ROUTE FRONT FL ch 1 2 A ...

Page 10: ...VSX D508 10 A B C D 1 2 3 4 1 2 3 4 3 3 INPUT ASSY 2 2 3k 120p 12k 12k 12k 68p 68p 3k 3k 1 2 A 2 2 INPUT ASSY 2 2 AWX7207 A E VOL BLOCK 1 2 A 1 2 A IC301 LC7535M LC7536M IC303 LC7535M LC7536M 2 2 A ...

Page 11: ...VSX D508 11 A B C D 5 6 7 8 5 6 7 8 12k 12k 120p 120p 3k 3k 1 2 A AUDIO SIGNAL ROUTE FRONT FL ch IC302 LC7535M LC7536M 2 2 A ...

Page 12: ...VSX D508 12 A B C D 1 2 3 4 1 2 3 4 3 4 FRONT and POWER SW ASSEMBLIES FRONT ASSY AWX7212 B POWER SW ASSY AWX7222 C CN111 1 2 A CN9371 2 3 P MASTER VOLUME B C ...

Page 13: ... S206 S207 S208 S209 A S210 B S211 LOUDNESS S212 DIRECT S213 DOLBY S214 SIGNAL SELECT S217 TV SAT S218 VIDEO S219 CD S220 TUNER S221 VCR S222 DVD LD S223 MD TAPE S224 AUX S229 CLASS S230 MEMORY S231 MPX MODE S233 S234 S235 CHANNEL SELECT S250 MASTER VOLUME BASS TREBLE CHANNEL LEVEL SPEAKERS B ...

Page 14: ... 3 4 1 2 3 4 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 18p 4 7 50 4 7 50 JA413 AKB7111 1 2 AMP ASSY 1 2 KUXJI TYPE AWX7223 KCXJI TYPE AWX7331 D CN112 1 2 A 2 2 D 2 2 D 1 2 D ...

Page 15: ...1 REAR SP ASSY AWX7250 H R C SP CONNECT ASSY AWX7286 F F SP CONNECT ASSY AWX7285 E FRONT SP ASSY AWX7243 G 2 2 D 2 2 D AUDIO SIGNAL ROUTE FRONT FL ch CAUTION FOR CONTINUED PROTECTION AGAINST RISK OF FIRE REPLACE ONLY WITH SAME TYPE NO ICP N25 MFD BY ROHM CO LTD FOR IC404 and IC405 H G F E 1 2 D ...

Page 16: ... 3 4 3 6 AMP 2 2 HEADPHONE TRANS 2 TRANS 1 BARRIER and FET ASSEMBLIES 2 2 AMP ASSY 2 2 KUXJI TYPE AWX7223 KCXJI TYPE AWX7331 D HEADPHONE ASSY AWX7229 I 1 2 D CN203 B ATT1223 1000 25 AUDIO SIGNAL ROUTE HEAD PHONE HP 43 1 43 1 2 2 D I ...

Page 17: ... 2 A MAIN TRANS AC OUTLET AC POWER CORD ADG7024 LIVE NEUTRAL REK1087 NP 10A REK1087 10A ATF7018 VEK1027 7A 66 1 66 1 NOTE FOR FUSE REPLACEMENT FOR CONTINUED PROTECTION AGAINST RISK OF FIRE REPLACE WITH SAME TYPE AND RATINGS ONLY CAUTION CAUTION FOR CONTINUED PROTECTION AGAINST RISK OF FIRE REPLACE ONLY WITH SAME TYPE NO ICP N70 MFD BY ROHM CO LTD FOR IC351 IC354 2 2 D M L K J ...

Page 18: ...VSX D508 18 A B C D 1 2 3 4 1 2 3 4 3 7 VIDEO ASSY N VIDEO ASSY AWX7234 N CN110 1 2 A NJM4558D D NJM4558D D NJM4558D D NJM4558D D ...

Page 19: ...VSX D508 19 A B C D 1 2 3 4 1 2 3 4 O Y20 ADX7248 PCB BINDER 601 VEF1040 FRONT VIDEO ASSY AWX7239 O CN105 1 2 A CN601 AKB7085 3 8 FRONT VIDEO ASSY ...

Page 20: ...VSX D508 20 A B C D 1 2 3 4 1 2 3 4 3 9 DOLBY DIGITAL ASSY 1 3 3 3 P CN108 1 2 A AUDIO SIGNAL ROUTE 1 3 P ...

Page 21: ...VSX D508 21 A B C D 5 6 7 8 5 6 7 8 1 3 DOLBY DIGITAL ASSY 1 3 AWX7333 P CN113 1 2 A 2 3 P 2 3 P 2 3 P INPUT CODEC BLOCK 1 3 P ...

Page 22: ...VSX D508 22 A B C D 1 2 3 4 1 2 3 4 3 10 DOLBY DIGITAL ASSY 2 3 2 3 P ...

Page 23: ...VSX D508 23 A B C D 5 6 7 8 5 6 7 8 2 3 DOLBY DIGITAL ASSY 2 3 AWX7333 P DSP CONTROL BLOCK 1 3 P CN201 B 1 3 P 3 3 P 2 3 P ...

Page 24: ...VSX D508 24 A B C D 1 2 3 4 1 2 3 4 1 3 P 2 3 P 1 3 P 3 11 DOLBY DIGITAL ASSY 3 3 3 3 P ...

Page 25: ...VSX D508 25 A B C D 5 6 7 8 5 6 7 8 3 3 DOLBY DIGITAL ASSY 3 3 AWX7333 P FILTER MUTE BLOCK 1 3 P AUDIO SIGNAL ROUTE 3 3 P ...

Page 26: ... shown below 3 The parts mounted on this PCB include all necessary 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 R...

Page 27: ...VSX D508 27 A B C D 5 6 7 8 5 6 7 8 IC102 IC103 Q104 Q107 IC101 Q101 Q103 ANP7266 A CN9801 P CN9802 P CN507 N CN202 B FM AM TUNER UNIT SIDE A A ...

Page 28: ...VSX D508 28 A B C D 1 2 3 4 1 2 3 4 IC109 IC307 IC309 INPUT ASSY A SIDE B A ...

Page 29: ...VSX D508 29 A B C D 5 6 7 8 5 6 7 8 ANP7266 A 07 IC309 IC301 IC303 IC304 IC306 IC310 SIDE B A ...

Page 30: ...VSX D508 30 A B C D 1 2 3 4 1 2 3 4 4 2 FRONT and POWER SW ASSEMBLIES B C IC201 Q202 Q205 Q204 Q203 Q201 CN401 D POWER SW ASSY C ...

Page 31: ...VSX D508 31 A B C D 5 6 7 8 5 6 7 8 B C ANP7266 A ANP7266 A IC201 Q201 Q207 Q206 FRONT ASSY B FRONT ASSY B CN111 A CN9371 P SIDE A SIDE B ...

Page 32: ...2 3 4 4 3 AMP HEADPHONE and FET ASSEMBLIES Q403 Q401 Q1404 Q1405 IC405 IC401 Q408 Q1402 IC1 Q407 Q401 Q405 Q406 Q1452 Q1451 Q402 ANP7267 B ANP7267 B FET ASSY M AMP ASSY D HEADPHONE ASSY I CN112 A 351 356 J 353 J CN203 B SIDE A D I M ...

Page 33: ...08 33 A B C D 5 6 7 8 5 6 7 8 Q1436 Q1435 Q454 IC711 02 Q1403 Q1401 Q451Q457 IC402 Q452 Q1433 Q1434 IC1403 IC701 Q701Q715 Q453 Q456 Q458 Q711 Q714 IC404 ANP7267 B 691 F J52 K J51 K 686 E AC IN LIVE NEUTRAL D ...

Page 34: ...C SP CONNECT FRONT SP and REAR SP ASSEMBLIES ANP7266 A ANP7266 A ANP7267 B ANP7267 B ANP7267 B Q631 Q628 Q626 Q627 Q630 Q652 Q651 408 D 402 D REAR SP ASSY H REAR SP ASSY H F SP CONNECT ASSY E R C SP CONNECT ASSY F FRONT SP ASSY G SIDE A SIDE B Q629 E F G H ...

Page 35: ... D 1 2 3 4 1 2 3 4 4 5 TRANS 2 TRANS 1 and BARRIER ASSEMBLIES ANP7267 B ANP7267 B ANP7267 B IC354 IC351 IC353 CN115 A 404 D POWER TRANSFORMER T1 405 D J52 J51 D TRANS 2 ASSY J TRANS 1 ASSY K BARRIER ASSY L SIDE A L K J ...

Page 36: ...9703 IC9705 Q9202 Q9605 Q9606 IC9604 IC9601 IC9704 IC9201 IC9602 IC9603 Q9615 Q9201 IC9401 IC9101 IC9702 IC9311 IC9151 Q9321 Q9402 Q9401 Q9616 IC9391 IC9301 Q9602 Q9604 Q9611 Q9614 Q9608 CN201 B CN113 A DOLBY DIGITAL ASSY P CN108 A SIDE A Q9610 Q9325 Q9324 IC9323 IC9321 IC9322 P ...

Page 37: ...VSX D508 37 A B C D 1 2 3 4 1 2 3 4 DOLBY DIGITAL ASSY P SIDE B ANP7296 B P ...

Page 38: ...VSX D508 38 A B C D 1 2 3 4 1 2 3 4 N 4 7 VIDEO ASSY IC501 IC502 IC503 Q506 Q501 Q505 ANP7267 B CN110 A VIDEO ASSY N SIDE A ...

Page 39: ... Â 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 LIST OF WHOLE PCB ASSEMBLIES Mark No Description Parts No PARTS LIST Mark No Description Parts No INPUT ASSY SEMICONDUCTORS IC101 ANALOG SW ARRAY IC TC9274N 001 IC102 E SW IC LC4966 IC103 E SW IC LC4966 IC104 REGULATOR IC NJM78M15FA IC105 REGULATOR IC NJM79M15FA IC106...

Page 40: ...CITOR CKSQYB683K25 C304 ELECT CAPACITOR CEAT1R0M50 C305 ELECT CAPACITOR CEAT1R0M50 C306 ELECT CAPACITOR CEAT100M50 C307 ELECT CAPACITOR CEAT100M50 C308 ELECT CAPACITOR CEAT1R0M50 C309 ELECT CAPACITOR CEAT1R0M50 C312 CERAMIC CAPACITOR CKSQYB103K50 C313 CERAMIC CAPACITOR CKSQYB103K50 C316 CHIP CAPACITOR CCSQCH121J50 C318 CERAMIC CAPACITOR CKSQYB103K50 C319 CERAMIC CAPACITOR CKSQYB103K50 C320 ELECT C...

Page 41: ...T471M6R3 C203 CERAMIC CAPACITOR CKSQYB103K50 C204 EDL CAPACITOR 0 047F 5 5V ACH7017 C205 ELECT CAPACITOR CEAT470M50 C206 ELECT CAPACITOR CEAT2R2M50 C207 CERAMIC CAPACITOR CKSQYF104Z25 C208 ELECT CAPACITOR CEAT2R2M50 C209 CERAMIC CAPACITOR CKSQYB473K50 C210 CERAMIC CAPACITOR CKSQYB473K50 C211 CERAMIC CAPACITOR CKSQYB103K50 C212 ELECT CAPACITOR CEAT470M25 C214 CERAMIC CAPACITOR CKSQYB104K25 C217 CHI...

Page 42: ... AND FILTERS L1432 COIL ATH1004 L1433 COIL ATH1004 L701 LINE FILTER ATF7018 SWITCHES AND RELAYS RY401 RELAY ASR7001 RY701 LOWPOWER RELAY ASR7016 S701 SLIDE SWITCH ASH7002 CAPACITORS C1401 CERAMIC CAPACITOR CKCYB331K50 C1402 ELECT CAPACITOR CEHAQ4R7M50 C1403 ELECT CAPACITOR CEANP2R2M2A C1404 ELECT CAPACITOR CEANP2R2M2A C1405 ELECT CAPACITOR CEHAQ101M25 C1407 CERAMIC CAPACITOR CKCYB471K50 C1408 CERA...

Page 43: ...RBON FILM RESISTOR RD1 4PMF4R7J R1436 METAL OXIDE RESISTOR RS1LMF4R7J R1437 METAL OXIDE RESISTOR RS1LMF4R7J R1448 METAL OXIDE RESISTOR RS1LMF561J R415 CARBON FILM RESISTOR RD1 4MUF331J R416 CARBON FILM RESISTOR RD1 4MUF331J R419 CARBON FILM RESISTOR RD1 4MUF820J R420 CARBON FILM RESISTOR RD1 4MUF820J R423 RESISTOR 0 22Ω 5W ACN7094 R424 RESISTOR 0 22Ω 5W ACN7094 R465 CARBON FILM RESISTOR RD1 4MUF33...

Page 44: ...Y RESISTORS R1461 METAL OXIDE RESISTOR RS3LMF331J R1462 METAL OXIDE RESISTOR RS3LMF331J OTHERS JA1461 HEADPHONE JACK RKB1014 TRANS 2 ASSY SEMICONDUCTORS IC351 IC PROTECTOR ICP N70 IC352 IC PROTECTOR ICP N70 IC353 IC PROTECTOR ICP N70 IC354 IC PROTECTOR ICP N70 D351 DIODE S5688G D352 DIODE S5688G D354 DIODE S5688G D355 DIODE S5688G D356 ZENER DIODE MTZJ20A D357 ZENER DIODE MTZJ9 1B CAPACITORS C355 ...

Page 45: ... JACK AKB7056 JA505 JACK RKN1004 JA506 JACK RKN1004 FRONT VIDEO ASSY CAPACITORS C605 CERAMIC CAPACITOR CGCYX104M25 C606 CERAMIC CAPACITOR CGCYX104M25 C608 ELECT CAPACITOR CEAT470M25 C609 CERAMIC CAPACITOR CKCYB471K50 C610 CERAMIC CAPACITOR CKCYB471K50 C611 CERAMIC CAPACITOR CKCYF103Z50 C612 CERAMIC CAPACITOR CKCYF103Z50 RESISTORS All Resistors RD1 4PU J OTHERS 601 PCB BINDER VEF1040 CN601 PIN JACK...

Page 46: ... C9315 CHIP CERAMIC C CCSRCH471J50 C9316 CHIP CERAMIC C CCSRCH471J50 C9321 ELECT CAPACITOR CEJA221M6R3 C9323 CHIP CERAMIC C CCSRCH221J50 C9324 CERAMIC CAPACITOR CCSRCH101J50 C9325 CERAMIC CAPACITOR CKSRYF104Z16 C9326 CHIP CERAMIC C CCSRCH120J50 C9327 CHIP CERAMIC C CCSRCH120J50 C9329 CERAMIC CAPACITOR CCSRCH101J50 C9330 CERAMIC CAPACITOR CKSRYF104Z16 C9331 CERAMIC CAPACITOR CCSRCH101J50 C9332 CERA...

Page 47: ...A220M25 C9715 CERAMIC CAPACITOR CKSRYB682K50 C9716 CERAMIC CAPACITOR CKSRYB682K50 C9717 CHIP CERAMIC C CKSRYB222K50 C9718 CHIP CERAMIC C CKSRYB222K50 C9719 CERAMIC CAPACITOR CKSRYB104K16 C9720 CERAMIC CAPACITOR CKSRYB104K16 C9721 CHIP CERAMIC C CCSRCH151J50 C9722 CHIP CERAMIC C CCSRCH151J50 C9723 CERAMIC CAPACITOR CKSRYF104Z16 C9724 CERAMIC CAPACITOR CKSRYF104Z16 C9725 CERAMIC CAPACITOR CKSRYF104Z...

Page 48: ...F4 A43 PF3 A44 PF2 A45 PF1 A46 PF0 A47 PD7 A48 PD6 A49 PD5 A50 S11 KEY2 S12 KEY3 S13 KEY4 S14 KEY5 S15 KEY6 S16 KEY7 S17 KEY8 S18 KEY9 S19 KEY10 S20 KEY11 S21 KEY12 S22 KEY13 VHVL RY_A RY_B RY_A B RY_C R RY_HP RY_AC AC3BST AC3RST AC3_9164 ST_9274 LC4966 CDREST V MUTE T MUTE SVIDEO3 SVIDEO2 SVIDEO1 G2 A2 G3 A3 G4 A4 G5 A5 G6 A6 G7 A7 G8 A8 G9 A9 G10 A10 G11 A11 G12 A12 VDD G13 A13 G14 A14 G15 A15 A...

Page 49: ...P L 22 AC3CK O Clock line for communication with MUCAPMUCAP H 23 AC3DIN I Data reception line from MUCAP 24 AC3DOUT O Data line for communication with MUCAP H 25 ST_EVR1 O Strobe 1 for electric volume LC7535M H 26 ST_EVR2 O Strobe 2 for electric volume LC7535M H 27 PLL_DA O Data output signal for communication with LC72131 tuner H 28 AVref Connect to VDD 29 STEREO I Stereo Monoral signal judgment ...

Page 50: ...RY_A O Speaker A relay ON OFF H 68 VHVL O Power switch for AMP system H VH H 69 S22 KEY13 O Segment output 22 key scan output 13 H 70 S21 KEY12 Segment output 21 key scan output 12 71 S20 KEY11 Segment output 20 key scan output 11 72 S19 KEY10 Segment output 19 key scan output 10 73 S18 KEY9 Segment output 18 key scan output 9 74 S17 KEY8 Segment output 17 key scan output 8 75 S16 KEY7 Segment out...

Page 51: ...51 VSX D508 Pin Assignment 7 1 2 DISPLAY Pin Connection Grid Assignment AAV7062 FRONT ASSY V201 FL Indicator Tube ...

Page 52: ...52 VSX D508 Anode Connection ...

Page 53: ...r T1 Remove all screws which fixing the Chassis 1 1 INPUT Assy eight screws Card Spacer DSP Shield screw 2 3 4 Heat Sink four screws 5 5 AMP Assy three screws Locking Card Spacer 6 Power Transformer T1 four screws 7 8 Rear Panel three screws 9 9 3 8 4 Power Transformer T1 Power Transformer T1 INPUT Assy Rear Panel Front DSP Shield Heat Sink AMP Assy 2 2 3 4 2 2 2 5 7 6 6 9 9 1 2 3 4 ...

Page 54: ...is condition Show the principal PCB Assemblies in the illustration Chassis Chassis VIDEO Assy Power Transformer T1 Rear Panel Front Panel FRONT Assy TRANS 2 Assy TRANS 1 Assy DOLBY DIGITAL Assy Rear Panel INPUT Assy Side B Rear View Top View AMP Assy Side B 5 A D P B J K N ...

Page 55: ... O CN601 N CN504 N JA501 N IC501 A IC101 A P IC109 A IC102 IC103 A IC301 IC302 IC303 D IC401 IC402 IC403 D RY401 G CN627 G RY626 H RY651 RY652 A IC310 G RY628 G RY627 H CN652 H JA653 D JA413 I JA1461 O CN601 JA502 CN102 CN103 7 3 BLOCK DIAGRAM ...

Page 56: ...Key REV AZN7665 15 Main Key PAUSE AZN7742 16 Main Key PLAY AZN7664 NSP 17 PCB AZW7248 2 9 13 12 16 15 14 3 17 1 10 8 11 7 6 5 4 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 The mark found on some component parts indicates the importance of the safety factor of th...

Page 57: ...0Ω 9 P0D1 P0D0 P0C3 P0C2 P0C1 P0C0 P0B3 P0B2 P0B1 P0B0 P0A3 P0A2 P0A1 P0A0 2 3 4 5 6 7 8 9 10 11 12 13 14 P0D2 P0D3 P0D3 P0D2 P0D1 P0E3 P0E2 P0E0 INT P0E0 P0E1 P0E2 P0E3 REM VDD XOUT XIN GND RESET WDOUT C1 220 6 3 C2 47 10 K01 AMP POWER K02 TV POWER K03 MUTING K04 POWER K05 TV FUNC K06 VOL K07 VOL K08 K09 K10 K11 K12 ENT K13 CH K14 CH K15 DVD LD K16 TV SAT K17 CD K18 VCR1 K19 TUNER K20 TV CONTROL ...

Page 58: ... B C D 1 2 3 4 1 2 3 4 7 4 3 PCB Diagram K01 K04 K10 K12 K11 K09 K03 K07 K05 K06 K13 K15 K02 K08 K14 K16 K17 K18 K24 K20 K19 K21 K37 K36 K38 K39 K40 K22 K23 K25 K26 K27 K33 K28 K29 K30 K32 K34 K35 K31 SIDE A SIDE B ...

Page 59: ...d 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 10 560 Ω 56 101 5...

Page 60: ...requencies in the range of 6 DIRECT button Switches direct playback on or off Use to bypass the receiver s tone control circuitry or level control for higher fidelity to the program source When DIRECT is ON Dolby DSP LOUDNESS and MIDNIGHT mode are automatically turned OFF Remote sensor Point the remote control toward the remote sensor to operate the receiver button Press to select the Dolby sound ...

Page 61: ... these modes to produce surround sound from standard two channel stereo sources MIDNIGHT button Press to hear effective surround sound at low volume levels The effect is automatically adjusted according to the volume level MASTER VOLUME After turning on the desired component rotate to adjust the volume PHONES jack Connect headphones for private listening the speakers turn off automatically STATION...

Page 62: ...cates the minimum level and 0dB indicates the maximum level Depending on the level settings for individual channels the MAX level can range between 10dB and 0dB 1 SIGNAL SELECT indicators Light to indicate the type of input signal selected for the current component refer to Front Panel SIGNAL SELECT ANALOG Lights when the analog audio signals are selected DIGITAL Lights when the digital audio sign...

Page 63: ... for remote control operation RECEIVER button Press to select the receiver for remote control operation FL DIMMER button Press to adjust the brightness of the fluorescent display Four levels of brightness ranging from very dim to very bright can be selected COMMANDER SET UP button Use to customize the remote control functions DIRECT button Use to playback original source audio When DIRECT is ON Do...

Page 64: ...T R L R L TV SAT DVD LD VIDEO DVD 5 1 CH INPUT SURROUND L R CENTER SUBWOOFER DVD 5 1 CH FRONT VCR 1 VCR 2 PCM DTS PCM CENTER PREOUT SUB WOOFER PREOUT L L R R B A SURROUND SPEAKERS FRONT SPEAKERS CENTER SPEAKER CAUTION SPEAKER IMPEDANCE 8Ω OR 8Ω 16Ω SPEAKER CAUTION SEE INSTRUCTION MANUAL 8 16Ω SPEAKER 6 LESS THAN 8Ω SPEAKER IMPEDANCE SELECTOR REC PLAY L R L R REC PLAY L R L R L OUTPUT R MD recorder...

Page 65: ...e Sensitivity Mono 13 2 dBf IHF 1 3 µV 75 Ω 50 dB Quieting Sensitivity Mono 20 2 dBf Stereo 38 6 dBf Signal to Noise Ratio Mono 73 dB at 85 dBf Stereo 70 dB at 85 dBf Distortion Stereo 0 5 1 kHz Alternate Channel Selectivity 60 dB 400 kHz Stereo Separation 40 dB 1 kHz Frequency Response 30 Hz to 15 kHz 1 dB Antenna Input 75 Ω unbalanced AM Tuner Section Frequency Range 531 kHz to 1 620 kHz 9 kHz s...

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