Pioneer VSX-415-K Service Manual Download Page 52

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VSX-415-K

5. ELECTRICAL PARTS LIST

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.
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%).

Ex.2 When there are 3 effective digits (such as in high precision metal film resistors).

5 6 1
4 7 3

R 5 0

1 R 0

5 6 2 1

NOTES:

560

Ω

47k

Ω

0.5

Ω

RD1/4PU J
RD1/4PU J
RN2H K
RS1P K

R50
1R0

561
473

5.62k

Ω

RN1/4PC F

562

5621

Mark No. Description

Part No.

LIST OF ASSEMBLIES

1..MAIN ASSY

XWK3148

1..DSP ASSY

AWX8418

NSP

1..AMP & PS ASSY

XWK3152

2..AMP & PRIMARY ASSY

XWZ3894

2..TRANS2 ASSY

XWZ3808

2..TRANS3 ASSY

XWZ3812

2..REGULATOR ASSY

XWZ3796

2..AMP INPUT ASSY

XWZ3800

2..TRANS1 ASSY

XWZ3805

NSP

1..COMPLEX ASSY

XWK3166

2..VIDEO ASSY

XWZ3903

2..5.1CH ASSY

XWZ3914

2..FRONT DISPLAY ASSY

XWZ3908

2..R.ENCODER ASSY

XWZ3920

2..P.SW & FUNC.KEY ASSY

XWZ3917

2..FRONT KEY ASSY

XWZ3912

2..H.P. ASSY

XWZ3923

1..FM/AM TUNER UNIT

AXX7172

Mark No. Description

Part No.

AMP & PS ASSY

OTHERS

J21 JUMPER WIRE

D20PYY0715E

J6 LEAD WIRE UNIT

DB215NB0

COMPLEX ASSY

OTHERS

J41 JUMPER WIRE 4P

D20PYY0411E

J42 6P JUMPER WIRE

D20PYY0608E

J47 JUMPER WIRE 6P

D20PYY0630E

J40 JUMPER WIRE 7P

D20PYY0907E

MAIN ASSY

SEMICONDUCTORS

IC108

BD3813KS

IC101

BD3841FS

IC103–IC105, IC107

HA17558AF

IC102

NJM2100M

IC9001

PD5963C

IC110–IC112

UPC4570G2

Q165, Q166, Q321, Q322

2SC3326

Q341, Q342, Q361, Q362, Q395

2SC3326

Q5001

2SD1664

Q229, Q230

2SK208

Q167, Q231, Q9002-Q9005

DTA124EK

Q9008

DTA143TK

Q232

DTC124EK

Q168, Q9001

DTC143EK

Q9007

DTC143TK

D103–D108, D229, D230, D301

1SS355

D311, D312, D9001-D9013

1SS355

D101, D102

RB501V-40

D5007

UDZS10(B)

D331, D332

UDZS6R8(B)

COILS AND FILTERS

L9001,L9002 CHIP SOLID INDUCTOR ATL7002
L9003

LFEA2R2J

L101–L104, L111, L112, L5002

QTL1013

CHIP SOLID INDUCTOR

CAPACITORS

C9003 (0.22F/5.6V)

ACH7144

C151, C152, C243, C244, C263

CCSRCH101J50

C317, C318, C323, C324

CCSRCH101J50

C343, C344, C363

CCSRCH101J50

C1031,C1041,C117, C118

CCSRCH220J50

C205–C208, C245–C248, C265

CCSRCH331J50

C267

CCSRCH331J50

C203, C204

CCSRCH471J50

C366

CEANP4R7M50

C123–C128, C131–C138

CEAT100M50

C141, C142, C167, C168

CEAT100M50

C209, C210, C213, C214

CEAT100M50

C249, C250, C269, C270

CEAT100M50

C301–C306, C321, C322

CEAT100M50

C341, C342, C361, C362

CEAT100M50

C5007

CEAT101M16

C169

CEAT221M6R3

C201, C202, C241, C242

CEAT2R2M50

C261, C262, C9005

CEAT2R2M50

C9007

CEAT331M6R3

C325, C326, C345, C346, C365

CEAT470M25

C155, C156

CEAT470M50

C333, C334

CEAT471M10

Mark No. Description

Part No.

Summary of Contents for VSX-415-K

Page 1: ...ore 159936 PIONEER CORPORATION 2005 UP DOWN MULTIJOG MASTER VOLUME ENTER AUDIO VIDEOMULTI CHANNELRECEIVER STANDBY ON PHONES DVD LD DVD 5 1 TV SAT DVR VCR CD CD R TAPE MD FM AM VSX 415 K RRV3091 AUDIO VIDEO MULTI CHANNEL RECEIVER VSX 415 K VSX 415 S THIS MANUAL IS APPLICABLE TO THE FOLLOWINGMODEL S AND TYPE S Model Type Power Requirement Remarks VSX 415 K KUCXJ AC120V VSX 415 S KUCXJ AC120V For det...

Page 2: ...are often 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 S...

Page 3: ...the product Please check that neither solder debris nor screws remain inside the product 8 There should be no semi broken wires scratches melting etc on the coating of the power cord Damaged power cords may lead to fire accidents so please be sure that there are no damages If you find a damaged power cord please exchange it with a suitable one 9 There should be no spark traces or similar marks on ...

Page 4: ...FRONT DISPLAY R ENCODER P SW FUNC KEY and F KEY ASSYS 32 3 12 H P ASSY 34 4 PCB CONNECTION DIAGRAM 35 4 1 TRANS2 TRANS3 and TRANS1 ASSYS 36 4 2 REGULATOR ASSY 37 4 3 MAIN ASSY 38 4 4 DSP ASSY 42 4 5 AMP PRIMARY and AMP INPUT ASSYS 44 4 6 F DISPLAY R ENCODER P SW FUNC KEY H P and F KEY ASSYS 46 4 7 VIDEO and 5 1CH ASSYS 50 5 ELECTRICAL PARTS LIST 52 6 ADJUSTMENT 56 7 GENERAL INFORMATION 57 7 1 DIAG...

Page 5: ...z Loudness 10 dB 5 dB 100 Hz 10 kHz at volume level 50 dB Signal to Noise Ratio IHF short circuited A network CD DVR VCR CD R TAPE MD DVD LD TV SAT 96 dB Signal to Noise Ratio EIA at 1 W 1 kHz CD DVR VCR CD R TAPE MD DVD LD TV SAT 79 dB Video Section Input Sensitivity Impedance DVR VCR DVD LD TV SAT 1 Vp p 75 Ω Output Level Impedance DVR VCR MONITOR OUT 1 Vp p 75 Ω Frequency response DVR VCR DVD L...

Page 6: ... H x 15 16 D in 9 1 9 420 W x 158 H x 394 5 D mm Weight without package VSX 415 18 1 lb 8 5 kg Furnished Parts AM loop antenna 1 FM wire antenna 1 Dry cell batteries AA size IEC R6 2 Remote control 1 Warranty Card 1 Operating instructions Manufactured under license from Dolby Laboratories Dolby Pro Logic Surround EX and the double D symbol are trademarks of Dolby Laboratories DTS DTS ES Extended S...

Page 7: ...ct are used for disassembly For the applying amount of lubricants or glue follow the instructions in this manual In the case of no amount instructions apply as you think it appropriate NOTES 1 3 2 4 8 6 5 7 10 11 9 12 Mark No Description Part No 1 FM wire antenna ADH7030 NSP 2 Warranty Card ARY7045 3 AM loop antenna ATB7013 NSP 4 Dry cell batteries VEM1031 AA R6 5 Operating instructions XRE3090 En...

Page 8: ...CT SIDE 15 35 34 55 I A B F D H E G C J 45 18 52 53 19 23 24 52 8 58 5 4 38 46 54 54 36 20 39 59 59 40 51 6 9 1 10 17 21 22 44 2 48 30 31 32 37 28 29 27 49 43 7 3 55 55 55 57 57 55 55 55 55 55 55 55 55 55 55 55 55 55 55 55 55 55 55 55 55 55 55 55 55 55 55 55 55 47 55 55 55 55 50 Refer to 2 3 FRONT PANEL SECTION 55 55 55 55 55 55 ...

Page 9: ...4 11P F F C 30V XDD3149 30 J43 19P F F C 30V XDD3126 31 J31 17P F F C 30V XDD3118 32 J35 19P F F C 30V XDD3101 33 NSP 34 Heatsink 0 4 ANH7109 35 Heat Sink Angle R ANG7252 36 Heat Sink Angle F ANG7251 37 PCB Angle R5 XNG3073 38 PCB Mold AMR2533 NSP 39 Under Base R6 XNA3012 40 Insulator AMR7198 41 42 43 REG Support R6 XNG3093 44 Rear Panel XNC3332 45 Bonnet See Contrast table 2 NSP 46 HOLDER Assy XW...

Page 10: ...VSX 415 K 10 1 2 3 4 1 2 3 4 C D F A B E 2 3 FRONT PANEL NON CONTACT SIDE CONTACT SIDE Q O M N P 26 12 25 23 21 17 18 15 14 19 24 10 32 32 32 32 32 32 1 32 32 4 2 3 5 31 24 11 33 ...

Page 11: ...g DIM 8 1 XBH3016 25 FRT Panel See Contrast table 2 26 Earth Plate HP V2 XNG3131 27 28 29 30 31 Screw BBZ30P080FTC 32 Screw BPZ30P100FTC NSP 33 Energy Star Label AAX8022 Mark No Description Part No Mark No Description VSX 415 K KUCXJ VSX 415 S KUCXJ 10 JOG Knob V1K XAB3038 Not used 10 JOG Knob V1S Not used XAB3042 11 VOL Knob V1K XAB3039 Not used 11 VOL Knob V1S Not used XAB3043 12 Standby BTN 515...

Page 12: ...8401 IC8601 IC8603 ADC DIR DAC CODEC for DECODE IC8501 IS61LV6416 12T S RAM IC8602 IS63LV1024 12T S RAM PD8116A ROM MOTOROLA DSP A B J 3 1 7 1 5 7 CN105 6 4 2 3 5 3 42 44 46 8 10 12 19 31 27 24 25 23 3 1 IC103 3 1 IC104 3 1 IC104 5 7 IC107 2 1 AK4529VQ AK4114VQ uPC4570G2 LPF NJM2100M 44 51 47 54 52 45 48 55 IC102 3 1 2 18 6 14 24 26 CN8007 11 7 13 15 19 CN109 7 11 5 3 1 CN109 CN8007 3 17 ...

Page 13: ... 3 1 5 7 IC601 22 15 IC602 24 26 IC602 RY751 RY753 RY752 18 14 Q C G CN702 6 1551 6 CN106 4 CN601 9 8 5 1 1 12V 12V T1 POWER TRANSFORMER T51 AC IN D801 D804 Stdby5 6V D51 D54 RY51 IC51 IC801 T 12V IC805 CN111 IC802 NECK B POWER AMP IC601 IC602 NECK B D702 D701 BVL BVH BVH BVL FL AC FL AC Q701 Q702 C C A D 5V D721 D724 IC803 A 5V IC804 CN8003 F B D 5V IC806 CN111 A CN111 A CN401 M IC301 COMPONENT S...

Page 14: ...23 80 CN53 CN112 XDD3126 19 220 CN101 CN106 XDD3118 19 130 XDD3101 J31 17 110 J35 CN254 CN601 16 CN253 550 9 70 D20PYY0907E CN402 CN511 J42 CN401 404 J40 CN450 FRONT DISPLAY ASSY XWZ3908 M FRONT KEY ASSY XWZ3912 P R ENCODER ASSY XWZ3920 N MAIN ASSY XWK3148 A REGULATOR ASSY XWZ3796 F 5 1CH ASSY XWZ3914 J VIDEO ASSY XWZ3903 I AMP INPUT ASSY XWZ3800 G A 1 3 A 2 3 A 3 3 DSP ASSY AWX8418 B B 1 2 B 2 2 ...

Page 15: ... PH K S FU701 24 23 25 19 20 21 22 MAIN TRANS TRANS3 12 14 13 1 3 16 15 J7 J5 J3 J8 J47 6 300 D20PYY0630E 52151 0410 51048 0400 J6 J4 1551 CN471 D20PYY0411E J41 501 ADG7024 P SW FUNC KEY ASSY XWZ3917 O Q H P ASSY XWZ3923 TRANS3 ASSY XWZ3812 E TRANS2 ASSY XWZ3808 TRANS1 ASSY XWZ3805 D H AMP PRIMARY ASSY XWZ3894 C J3 J7 J6 J1 J2 J4 J5 C 1 2 C 2 2 NOTES When ordering service parts be sure to refer to...

Page 16: ... V 7 V 7 GNDU 0 01 YB GNDA 47K 47K GNDA TR TL 10 50 100K 100K GNDA 10 50 R175 Q168 Q167 CN109 C171 C114 R114 C113 R113 L112 C112 R112 L111 R111 C111 C110 C109 R110 C189 C190 R139 R140 R162 R166 R164 C164 R138 C138 C192 R163 Q166 C163 R165 Q165 C166 R174 R168 R170 IC102 R172 C168 C170 R173 R167 C169 R169 C191 C137 R137 C118 C136 R136 R161 C135 C117 R134 R135 R133 C134 C165 IC102 R171 C167 R143 C179...

Page 17: ...DU GDAC INSRA 1SS355 GNDU 1SS355 47K 100p TS 2 2 50 3 3K 3 3K 3 3K 330p 1 8K 0 10 50 3 3K HA17558AF HA17558AF HA17558AF HA17558AF HA17558AF HA17558AF HA17558AF HA17558AF 4700p GDAC 470K YB 0 01 GDAC 100 TS YB 0 01 CH 330p V 12 INSLA R262 C264 C266 R270 R272 R274 C270 R276 C278 R278 C262 R264 R266 R268 IC104 C268 R202 C206 C204 C202 R206 R204 R201 C205 C203 R210 R212 R214 R208 C210 R216 C218 C217 I...

Page 18: ...CH V 7 CH 0 01 0 01 10 50 10 50 100 V 7 100 100 INFRA 10 50 4700p 4700p 10 50 4 7k 4 7k 100 1SS355 100 100 V5R6 10 50 0 1u 16 0 1u 16 0 1u 16 0 1u 16 2 CAPACITORS AUDIO SIGNAL FLOW Ratings Capacity µF Voltage V unless otherwise noted Rated Voltage 50V expect for electrolytic capacitors JA CEJA Unit k kΩ M MΩ or Ω unless otherwise noted Unit p pF or µF unless otherwise noted Rated power 1 10W unles...

Page 19: ...SC3326 2SC3326 V 12 1K 1 V 12 4700p CH 100p uPC4570G2 YB 0 01 4 7 25 100k NP UDZS6 8B GAV 0 01 YB UDZS6 8B YB 0 01 100k 47 25 V 12 V 12 1SS355 100 1W 470 10 V 7 470 10 1SS355 V 7 100 1W 47k 4 7k 2SC3326 1K V 12 uPC4570G2 YB 47 25 GNDA 0 01 1 GNDA YB 0 01 100k 4 7K 4 7K 2 7K 2 7K 2SC3326 1K CH 100p CH 100p V 12 1 47 25 100k STBY STBY BOARD_DET 6_OHM GNDU YB V 5U 1000p uPC4570G2 uPC4570G2 V 12 YB 0 ...

Page 20: ...QR TRB 2SD1664 STBY 1u 0 01 1000p GNDCH STBY VT 12 470 1 2 4 3 5 6 8 7 10 9 11 12 13 14 15 17 18 19 20 16 4 1 2 3 8 7 6 5 11 10 9 12 13 4 1 2 3 5 6 7 8 B 10 11 9 E C 2 CAPACITORS Rated Voltage 50V expect for electrolytic capacitors Ratings Capacity µF Voltage V unless otherwise noted Unit p pF or µF unless otherwise noted AUDIO SIGNAL FLOW Tolerance J 5 unless otherwise noted Rated power 1 10W unl...

Page 21: ...5U 52045 1745 GNDU SM 5V 1 2 3 6 7 8 9 10 4 5 1 2 4 7 8 3 5 6 13 14 9 10 12 11 19 15 16 17 18 C E E 31 32 33 34 35 36 37 38 39 29 28 30 40 41 42 43 44 45 46 47 48 49 50 24 26 25 27 20 23 22 21 C E B B B C E 53 51 52 1 3 2 54 55 56 57 61 58 60 59 B C E C B 19 18 17 16 14 15 13 12 11 8 9 10 6 7 5 4 1 2 3 98 100 99 97 96 95 94 93 92 86 91 90 89 88 87 84 82 81 85 83 62 63 64 65 68 66 69 67 71 70 72 73...

Page 22: ...221 R8231 C8222 R8220 IC8201 R8211 R8213 R8214 R8215 C8211 C8209 R8216 C8210 R8209 R8225 R8204 L8202 X8201 R8210 R8207 R8206 C8221 R8230 IC8101 R8111 C8114 R8116 C8112 IC8101 C8219 R8227 C8113 R8110 C8204 R8202 R8201 C8203 C8201 C8206 R8205 C8205 R8203 C8207 C8202 C8217 L8201 R8106 L8101 JA8101 R8109 C8107 R8107 C8104 R8226 C8108 R8103 IC8101 R8102 IC8101 C8218 IC8101 C8109 C8110 IC8101 R8105 R810...

Page 23: ...8412 IC8401 R8407 D8402 R8408 R8409 C8411 C8410 C8409 C8901 C8902 IC8901 R8017 R8402 R8403 R8401 R8404 C8407 C8408 D8401 C8404 C8405 L8401 C8406 CN8007 BCKI FDTI XTL0 DRRT DATA DRRT DRDO CLK LOCK DRCS BDTO CDTO FDTO BCKO LCKO SDTO MC MD DATA DRCS CLK MCLK OUT IN OUT IN 12 10 13 11 5 6 9 7 8 4 3 2 1 1 2 3 13 12 11 8 9 10 4 5 6 7 3 43 44 1 2 15 17 19 16 14 18 20 22 21 23 26 24 25 30 28 31 27 29 38 3...

Page 24: ...707 R8705 R8708 R8706 C8703 C8702 C8701 IC8701 L8701 R8515 C8509 C8507 R8514 R8509 R8507 R8508 R8557 C8504 R8510 R8513 R8512 R8511 C8505 R8506 R8505 R8503 C8501 C8502 C8503 R8504 R8555 R8532 R8502 R8501 R8534 TP5 TP2 TP3 TP4 TP1 16 18 15 19 17 10 14 12 8 6 4 13 11 9 7 5 2 1 3 2 1 2 1 C E 3 B E C 1 3 B2 B E2 2 C2 5 4 1 3 2 10 7 6 9 8 20 18 17 16 19 13 12 11 14 15 36 42 37 39 41 40 38 34 35 33 32 31...

Page 25: ...C8516 C8515 R8552 C8518 C8522 C8520 C8521 C8523 R8529 C8525 C8524 R8528 R8530 R8605 C8526 C8527 C8528 C8530 C8529 C8531 IC8501 C8532 C8534 C8533 C8535 R8603 C8543 C8545 R8531 C8542 C8544 C8541 C8540 C8536 C8537 C8539 C8538 R8551 L8501 R8536 C8546 L8502 C8547 R8537 R8601 1 7 2 1 4 8 4 6 5 2 8 4 3 8 46 47 45 50 51 52 53 48 49 58 54 55 59 57 56 63 62 61 60 65 64 69 66 67 70 71 68 72 73 74 75 76 77 79...

Page 26: ... 100 16 6 8p 33k 4 7k 4 7k MTZJ16A MTZJ16A 0 22 ACN7094 NP 1SS133 2 2 50 330 820 1 8k 2SC2240 22k 1SS133 AEK7022 10A 22k 10A AEK7022 4 7k 2SC5974A 2 2k 2 2k 2 2k 4 7k 2SC5974A 4 7k 1000P 1000P 4 7k 430 27k 330P 4 7 50 27k 820 100p VNF1084 GND 4 7 50 AEK7009 1A TP TP 100p 0 22 ACN7094 1SS133 2 2 50 NP 330 820 1 8k 2SC2240 1SS133 330 820 1 8k 0 22 ACN7094 2 2 50 1SS133 2SC2240 1SS133 NP 2SC5974A 430...

Page 27: ...1 4W 4 7 NP 1 4W 4 7 NP R C SP SP A 12V AUDIO SIGNAL ROUTE DC OUTPUT DETECTOR Q605 606 633 655 656 Q691 692 OVERLOAD DETECTOR Surround Preout SR DC DET SR SL stdby SL SR C SL Centre Preout 7 C SPEAKER A 7 7 NO USE 8 NO USE FR DREG DREG REG G REG B STANDBY VF FL AC2 FL AC1 REG B HP SW A MUTE FL FR POINT VOLTAGE V A D D B 7 FL 8 27 9V MTZJ 5 1B 22 7V DREG REG G DREG REG B F701 C A J701 DB812NB0 STAN...

Page 28: ...FL AC1 REG G REG B DREG DREG 18 7V IC805 12V REG IC 18 5V IC802 IC801 12V REG IC SP A RY SP B RY UGRTN UGRTN UGRTN GNDD GNDD DGRTN DGRTN GNDD IC803 D 5V REG IC D 5V GDAC GDAC AD 5V D 5V NC stby GDAC VCOMG AINL AINR FLO FRO GDAC GDAC D 5V REG IC IC806 SLO SRO GDAC GDAC GDAC CO SWO GDAC GDAC 5 0V 5 0V 11 1V AD 5V REG IC IC804 DREG GNDD 5 6V AINL AINR AD 5V GDAC GDAC GDAC FRO GDAC SRO FLO electrolyti...

Page 29: ...LAY 11 7V L N AKP1060 1 2 J1 DB117NB0 J2 DB618NB0 REG B REG G VF FL AC2 FL AC1 REG B NECK DC DET GNDU Brd Det 6ohm O L DET Brd Det 6ohm NECK GNDU O L DET DC DET TO AMP ASSY ATT SB TO DD INPUT ASSY A MUTE SR GNDA GNDA SL FR FL GNDA GNDA FL A MUTE ATT GNDA SR GNDA GNDA SL FR C GNDA GNDA GNDA C 1 2 3 4 5 14 15 11 16 12 13 7 8 6 9 10 11 14 13 15 16 12 9 10 6 8 7 3 4 5 2 1 17 19 18 OUT IN REK1086 8A G ...

Page 30: ...k 52044 1345 47p 1k 1k 1SS355 1SS355 CH 1SS355 1SS355 47 25 1k TS NJM2595M 2SA1515 QR YB UDZS6R2 B 47 25 0 047 STBY 1 5k 0 47 25 75 0 1 YB TS 47 25 75 220p YB UDZS6R2 B STBY 47 25 0 047 YB 1 5k 2SC3377 QR STBY STBY 1k 1k KP200TA7L SR SR SL CN309 SW C 5ch IN BUFFER SL SW J48 SR GNDA SL 12V SW C GNDA 12V C AUDIO SIGNAL FLOW VIDEO SIGNAL FLOW SW OUT LD DVD TV SAT SELECTOR VCR REC MONI FUNCTION VIDEO2...

Page 31: ...VSX 415 K 31 5 6 7 8 5 6 7 8 C D F A B E ...

Page 32: ...NDU J42 VENC A ENTER FENC A FENC B GNDU VENC B ENTER 2 1 5 XAV3022 6 9 8 7 V401 XAV3023 12 11 10 14 13 24 25 26 27 GNDU C401 C402 C403 D401 L401 C441 C442 R403 D403 R402 C400 R415 R416 R430 R417 R414 R412 R413 IC402 R411 Q442 CN401 S513 R406 R423 R405 Q484 C422 C421 R424 C416 R407 R408 R409 X401 R401 R422 R410 C417 C418 C413 R481 R483 R482 R485 R486 R484 C481 C482 C483 R489 R488 R487 R490 R492 R49...

Page 33: ...otherwise noted 1 RESISTORS 2 CAPACITORS NOTE Tolerance J 5 unless otherwise noted C412 R425 R427 C410 C411 R426 C415 R469 S466 R468 IC401 C419 R474 S465 R467 S464 S470 R466 S463 CN450 R473 550 R472 S469 R465 S468 R464 S462 R471 S467 R463 S461 S460 C420 C414 R497 R498 R496 R499 R500 R520 R521 R522 R523 R526 R524 R525 R529 R527 R528 R470 C454 R462 C453 R531 R530 R532 R458 R461 R457 S459 R456 R455 S...

Page 34: ...0 2w 4 7k 4 7k YB 150 1W 0 022 330 2W 150 1W YB 0 022 CH YB 1k RKB1014 2 3 1 4 5 6 HP SW GNDU AMUTE HP G HP L HP R D20PYY0630E J47 HEADPHONE Rated Voltage 50V expect for electrolytic capacitors Ratings Capacity µF Voltage V unless otherwise noted 1 RESISTORS Unit k kΩ M MΩ or Ω unless otherwise noted Rated power 1 10W unless otherwise noted Unit p pF or µF unless otherwise noted 2 CAPACITORS Toler...

Page 35: ...ed 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 Resistor array 3 terminal regul...

Page 36: ...1 RED J6 J5 J4 J3 WHITE CMKI P3X NP R NP NP A C P B 0 0 1 7 C853 IC853 IC852 IC851 851 R851 C852 C851 R852 R853 ATTENTION DE CHEZ LITTELFUSE INC REMPLACER LE IC LINKS COMME INDIQUE XWZ3808 J21 FL AC FL AC REG REG REG DREG DREG TRANS2 CMKI P3X 1 R NP NP NP XNP3075 B XNP3075 B XNP3075 B TRANS3 ASSY E TRANS2 ASSY D H 701 C J1 J2 C J6 J4 J3 J5 J7 C POWER TRANSFORMER TRANS1 ASSY D E H Q D E H SIDE A SI...

Page 37: ... B GNDU GNDA CO GNDD GDAC SLO STBY KNIFE SPACE 12V GDAC GDAC REG B word surface NJM78M56 SWOUT REGULATOR Stby5V VCOMG NJM79M12 SWO GDAC GDAC NJM78M05 SBOUT REG G GDAC SWO REG B H P SW DREG SBLO REG B GDAC FRO AINR REG B GDAC XWZ3796 12V SWOUT AD 5V SP B 1 GDAC GDAC AINL FLO DGRTN GDAC SLO 1 18 GAV 12V SRO FLO GNDD UGRTN ATTENTION NJM78M12 1 FRO GAV GNDA J36 GNDD REG B AINL Stby5V GNDU UGRTN NJM78M...

Page 38: ...CN101 C346 C5015 L5001 R9025 R9033 R9026 IC104 R343 C321 R345 R341 R9008 IC9001 R6005 D6002 R9040 C344 C9006 R347 D6001 R9005 R6004 X9001 C C363 Q6001 Q342 R6001 R9041 R9004 Q6007 C9009 R CN108 R400 C9007 IC115 C9010 C325 R361 Q341 R348 R9062 R362 R9024 IC112 C345 Q9005 103 R392 XNP3078 C XWK3122 XWK3121 GNDU B DET 6OHM OL DET DC DET NECK GNDU V 7 GNDU FLAC2 FLAC1 VF DIS RST J31 GNDA V 7 MIC_SW MI...

Page 39: ...278 R215 R286 R278 C246 R267 C277 R277 R213 IC106 IC105 C308 C257 R257 C263 R381 Q166 R276 C5004 R305 C318 D106 C270 R308 R306 C122 R270 R311 C121 CN103 C141 R272 R288 R214 C210 C207 R274 C125 C168 C135 C209 IC104 CN111 C321 JA103 C5002 R341 R204 101 C317 C333 C265 Q342 C142 R317 R275 C128 C307 C271 R318 IC108 R273 JA105 R271 C132 R264 R265 C268 C309 C206 R269 R255 C334 CN104 R312 R249 C247 C302 R...

Page 40: ...21 C314 C219 Q231 Q232 C220 IC107 R238 R309 C188 D311 C103 R233 R237 R137 R103 R102 C108 R101 R112 R111 C107 C101 C102 C180 C105 C179 C199 R173 R234 C331 C1041 R114 R108 C190 C185 C104 C109 C332 C181 C110 R116 C187 C183 R131 R172 R104 R105 R127 R125 C114 R109 R141 C316 R142 D312 R5005 R110 R219 IC109 12V XNP307 GNDA 12V T L SW SL GNDT 9V C C D VCR DVR REC T CLK SR T CE T DO T DI GNDA FUR PLAY GDAC...

Page 41: ...7 R9002 Q9001 R9010 R371 IC5001 C9014 C9004 C5014 C5017 R351 C5013 R366 R329 C367 C368 R349 R219 C389 C9011 DSP MOD XWK3148 XNP3078 C XWK 15 DIR RST XWK XTLO MSS DSP HREQ XWK3151 DIR DO 10 BUSY V 7 MAIN ASSY FLAC2 FLAC1 VF GNDA DIS RST DIS CLK V 7 MIC_SW MICOUT MRST DIS DI LSSN DIS EN DIS DO DIS RDY 5 MOSI SRIN SROUT 1W WP MSCLK FR MISO D 5 6V ST 5 6V GNDU GNDU GNDA GNDA RMC GNDA XWK3117 XWK3120 X...

Page 42: ...7 R8506 JA8102 C8105 C8113 C8603 C8604 C8547 R8543 KN8201 R8227 C8546 R8335 R8331 R8330 R8329 CN8018 C8226 C8549 R8522 R8521 Q8341 C8515 C8516 CN8006 R8524 R8519 C8301 Q8504 CN8019 L8301 C8554 C8509 C8507 C8223 R8222 R8223 KN8101 R8110 C8003 C8004 C8001 C8002 C8112 C8107 C8504 C8505 C8513 C8512 C8523 C8522 R8511 R8512 R8513 R8514 R8704 R8810 R8337 R8336 R8210 C8524 R8530 C8527 C8526 C8528 C8530 R8...

Page 43: ...44 R8308 R8310 L8502 C8607 C8608 IC8602 R8311 R8536 R8523 R8520 R8505 R8545 D8301 R8549 R8527 C8517 R8544 C8514 C8552 R8518 R8517 R8542 R8546 C8553 D8302 R8341 R8343 C8220 L8102 C8224 R8221 R8220 R8116 IC8101 C8005 C8110 C8109 L8103 C8006 C8521 C8520 C8518 C8012 C8011 C8010 C8008 R8113 R8212 C8206 C8205 C8529 R8018 R8403 R8402 R8401 R8334 R8008 R8532 R8007 R8011 R8012 C8104 C8106 R8106 L8101 C8211...

Page 44: ...3 W579 W580 W557 W556 W510 W511 W512 W504 W552 W530 W516 W517 W555 W531 W532 W551 W533 W515 W534 W506 W535 W537 W538 W536 W529 R722 W539 W540 W564 W563 W560 W541 W542 W562 W513 W577 W514 W594 W572 W595 Q692 Q653 Q722 C707 Q691 C654 C632 C604 W730 C603 C692 R677 W761 IC702 CMKI P3X J701 J701 BOND BOND J3 WHITE FUSE AS MARKED RISK OF FIRE REPLACE O L O L O L O L AG FL FR AG SL AG SR AG C B DET AMUTE...

Page 45: ...642 W640 W641 W522 W518 W615 W665 W663 W664 D51 D52 D53 D54 D711 701 C771 W547 W592 W549 C758 C759 C770 C708 W619 W618 W617 R763 R764 W593 C756 C762 C763 C754 C751 RY751 RY752 R753 R741 W546 R756 R754 C753 C757 C755 W737 C752 C765 C766 W599 CN741 W732 C776 W731 C775 C604 W583 CN751 W760 W735 W733 W570 W548 CN702 T51 PRODUCTION CODE UG REG GND REG DREG DREG L N DE CHEZ LITTELFUSE INC BLUE GRAY WHIT...

Page 46: ...1 4 1 XNP3089 A J41 XWZ3908 4 KEY3A 2 GNDU 3 KEY3B 1 PWRON 1 KEY3A F C J40 FRONT DISPLAY I C T 9 1 J40 MUTE SPK IMPEDANCE DVR VCR EON MODE PTY SEARCH ADV SURR 9 1 R XWZ3912 FRONT KEY DIRECT SIGNAL INPUT ATT FL DIMMER VSB MODE TV SAT SELECT DVD LD DVD 5 1 STANDARD QUICK SETUP TONE TUNER EDIT STEREO CMKM P3X 1 GNDU 2 HP SW HEADPHONE 3 A MUTE XWZ3923 R J47 CMKM P3X 6 1 5 HP GND 6 HP L 4 HP R XWZ3917 ...

Page 47: ...1 DISPDO 4 ENTER 14 DISPRST 5 1WUP 13 DISPCK 2 GNDU DIP 8 VPP IC J42 2 ENC B 5 NC 1 6 ENTER 4 FENC B 10 DISPRDY 15 VF 4 SCK1 9 DISPEN 2 KEY3B 1 GNDU 5 FENC A 3 GNDU 7 SROUT 12 DISPDI 3 GNDU 1 KEY3A 9 NC 1 ENC A 3 SO1 CMKM P3X 7 VDD 17 1 J31 6 RMC 2 SI1 R 3 STBY 5 6V 1 VSS0 9 17 FLAC2 16 FLAC1 6 1 8 SRIN 3 GNDU 6 KEY1 7 KEY2 5 VDD 9 KEY4 4 ENTER R 1 KEY3A 9 2 KEY3B AM CDR TAPE FM CD 8 KEY3 6 1 6 EN...

Page 48: ... 0 3 2 1 0 9 8 7 6 5 4 3 2 1 0 1 17 1 9 6 1 8 SRIN 1 KEY3A 2 KEY3B 3 GNDU 4 ENTER 5 VDD 6 KEY1 8 KEY3 7 KEY2 9 KEY4 12 DISPDI 16 FLAC1 3 STBY 5 6V 2 ENC B 4 FENC B 7 SROUT 4 D 5 6V 13 DISPCK 3 SO1 J42 6 RMC 5 NC 10 DISPRDY 14 DISPRST 1 ENC A 1 VSS0 3 GNDU 7 VDD 17 FLAC2 1 GNDU 4 SCK1 9 DISPEN 5 FENC A 6 ENTER 6 RESET 9 NC 2 GNDU 11 DISPDO 15 VF J31 2 SI1 8 VPP IC 5 1WUP R 3 1 3 1 4 FENC B 3 GNDU X...

Page 49: ...3 GNDU 4 ENTER 5 VDD CMKM P3X 4 KEY3A J41 XWZ3908 2 GNDU J40 CN450 FRONT DISPLAY 3 KEY3B 1 PWRON 4 1 J41 R 1 PWRON 3 KEY3B 4 KEY3A PWR KEY TUNING TUNING STATION STATION POWER XWZ3917 2 GNDU CMKM P3X R 6 1 CMKM P3X 6 HP L 2 HP SW 5 HP GND 4 HP R 3 A MUTE J47 HEADPHONE 1 GNDU XWZ3923 1 9 R J40 CMKM P3X 9 KEY4 8 KEY3 7 KEY2 6 KEY1 5 VDD 4 ENTER 3 GNDU 2 KEY3B 1 KEY3A MUTE FRONT KEY XWZ3912 DVR VCR ST...

Page 50: ...VSX 415 K 50 1 2 3 4 1 2 3 4 C D F A B E 4 7 VIDEO and 5 1CH ASSYS Q301 Q302 I J I J SIDE A SIDE A 5 1CH ASSY J CN105 A CN803 F CN104 A XNP3089 A XNP3089 A VIDEO ASSY I CN307 CN302 CN303 ...

Page 51: ... C327 C325 C326 C330 C322 R339 R321 R336 C320 R331 C316 R342 C345 R341 C328 C318 C342 C343 SL C CG SR SW 1 1 9 9 8 16 1 13 1 R 1 7 12V REC G 4 V3 5 SWDET 1 4053INH 8 ADG 12V 10 4053A GNDU RXD SR OUT 8 RMC 4 AMUTE 7 SRIN 9 VIDEO CG G 9 5V 7 5V 6 V1 SW G 9 FURN 11 4053INH CMKM P3X 13 TXD 12 RXD SB 1 V1 2 V2 G GNDA J33 TV SBOUT SWOUT 6 SROUT 2 4053A G DVD LD XWZ3903 MONI 3 V3 RMC 3 FRONT V TXD SRIN 5...

Page 52: ...X7172 Mark No Description Part No AMP PS ASSY OTHERS J21 JUMPER WIRE D20PYY0715E J6 LEAD WIRE UNIT DB215NB0 COMPLEX ASSY OTHERS J41 JUMPER WIRE 4P D20PYY0411E J42 6P JUMPER WIRE D20PYY0608E J47 JUMPER WIRE 6P D20PYY0630E J40 JUMPER WIRE 7P D20PYY0907E AMAIN ASSY SEMICONDUCTORS IC108 BD3813KS IC101 BD3841FS IC103 IC105 IC107 HA17558AF IC102 NJM2100M IC9001 PD5963C IC110 IC112 UPC4570G2 Q165 Q166 Q3...

Page 53: ...UCTOR Mark No Description Part No CAPACITORS C8209 C8210 CCSRCH100D50 C8421 CCSRCH101J50 C8107 C8112 CCSRCH470J50 C8007 C8008 C8109 C8201 C8212 CCSRCH471J50 C8214 C8404 C8409 C8414 CCSRCH471J50 C8416 C8417 C8419 C8505 C8507 CCSRCH471J50 C8509 C8511 C8512 C8515 C8518 CCSRCH471J50 C8520 C8522 C8524 C8526 C8528 CCSRCH471J50 C8530 C8532 C8534 C8536 C8539 CCSRCH471J50 C8541 C8543 C8545 C8551 C8703 CCSR...

Page 54: ...r Resistors RD1 4PU J OTHERS CN53 23P CONNECTOR 52045 2345 CN702 6P JUMPER CONNECTOR 52147 0610 CN741 2P PIN JACK AKB7008 51 AC SOCKET 1 P AKP1060 H51 H54 H701 H702 FUSE CLIP AKR7001 T51 STANDBY TRANSFORMER ATT7043 CN601 16P PLUG KM200TA16 CN51 AC CODE SOCKET RKP1751 KN51 KN601 EARTH METAL FITTING VNF1084 CN752 4P SPEAKER TERMINAL XKE3010 Mark No Description Part No CN751 6P SPEAKER TERMINAL XKE30...

Page 55: ...483 CCSRCH221J50 C481 CCSRCH471J50 C442 CEAL470M10 C403 CEAT221M6R3 C412 CEAT470M50 C415 CKSRYB102K50 C401 C402 C410 C411 C419 CKSRYB103K50 C441 CKSRYB103K50 Mark No Description Part No C418 C421 CKSRYB104K16 C420 XCH3011 RESISTORS All Resistors RS1 16S J OTHERS 404 6P CABLE HOLDER 51048 0600 CN401 17P CONNECTOR 52044 1745 CN471 4PJUMPER CONNECTOR 52151 0410 CN450 9PJUMPER CONNECTOR 52151 0910 CN4...

Page 56: ...2LMF331J Other Resistors RS1 16S J OTHERS 1551 6P CABLE HOLDER 51048 0600 JA1551 HEADPHONE JACK RKB1014 KN1551 WRAPPING TERMINAL VNF1084 FM AM TUNER UNIT FM AM TUNER UNIT has no service part Mark No Description Part No There is no information to be shown in this chapter ...

Page 57: ...en the screws of Speaker Terminal are taken off from Rear Panel Heat sink caution in the disassembling Because Heat sink becomes hot please pay attention Note This photograph may show a different model However the method for disassembly is the same Note This photograph may show a different model However the method for disassembly is the same Note Even if the unit shown in the photos and illustrati...

Page 58: ...M TUNER UNIT 5 1CH Assy J TRANS 1 Assy H TRANS 3 Assy E H P Assy Q P SW FUNC KEY Assy O TRANS 2 Assy D AMP PRIMARY Assy C MAIN Assy A AMP INPUT Assy G FRONT KEY Assy P REGULATOR Assy F FRONT DISPLAY Assy M R ENCODER Assy N DSP Assy B VIDEO Assy I ...

Page 59: ...RL WR 46 DIR CS NC 86 P02 D2 P51 WRH BHE 45 DIR DO NC 87 P01 D1 P52 RD 44 P_PDP TEST NC 88 P00 D0 P53 BCLK 43 DSP MUTE NC 89 P107 AN7 KI3 P54 HLDA 42 DSP MODE NC 90 P106 AN6 KI2 P55 HOLD 41 DSP HREQ NC 91 P105 AN5 KI1 P56 ALE 40 BUSY NC 92 P104 AN4 KI0 P57 RDY CLKOUT 39 DSP SS NC 93 P103 AN3 P60 CTS0 RTS0 38 DSP RST SIMUKE1 94 P102 AN2 P61 CLK0 37 DSP CLK SIMUKE2 95 P101 AN1 P62 RxD0 36 DSP DO AVS...

Page 60: ... P72 CLK2 TA1OUT V 1394 CK I O No use Standby for 1394 29 P71 RxD2 SCL TA0IN TB5IN 1394 DO I O No use Standby for 1394 30 P70 TXD2 SDA TA0OUT 1394 DI I O No use Standby for 1394 31 P67 TXD1 232C RXD I O No use fixed to L For rewriting 232C Data output 32 P66 RxD1 232C TXD I O No use fixed to L For rewriting 232C Data input 33 P65 CLK1 CLK I O No use It is necessary when writing for JIG 34 P64 CTS1...

Page 61: ... P23 A3 D3 D2 SWDET I O SWSP detect 70 P22 A2 D2 D1 VIDEO3 I O VIDEO input select 71 P21 A1 D1 D0 VIDEO2 I O VIDEO input select 72 P20 A0 D0 _ VIDEO1 I O NJM2296 control VIDEO input select 73 P17 D15 INT5 OL DET I O Detect overload of AMP 74 P16 D14 INT4 NC I O 75 P15 D13 INT3 RDS CLK I O Fixed to L 76 P14 D12 DT I O Fixed to L 77 P13 D11 FM I O Fixed to L 78 P12 D10 NC I O 79 P11 D9 NC I O 80 P10...

Page 62: ...rain P53 FIP43 35 IO NC S4 O 67 FIP13 P CH P CH open drain P54 FIP44 34 IO NC S3 O 68 FIP12 P CH P CH open drain P55 FIP45 33 IO NC PU KEY5 S2 O 69 FIP11 P CH P CH open drain P56 FIP46 32 IO TEST S1 O 70 FIP10 P CH P CH open drain P57 FIP47 31 IO NC PU MIC IN G10 O 71 FIP9 P CH P CH open drain P60 FIP48 30 IO EN A G9 O 72 FIP8 P CH P CH open drain P61 FIP49 29 IO EN B G8 O 73 FIP7 P CH P CH open d...

Page 63: ...from main u com 16 P01 INTP1 NC I O 17 P02 T1 SR IN I O remote control signal input from main room 18 AVSS GND ground potential for A D converter 19 ANI3 KEY IN4 I 20 ANI2 KEY IN3 I 21 ANI1 KEY IN2 I 22 ANI0 KEY IN1 I 23 VSS0 GND ground potential for ports 24 AVDD 5V analog power voltage input to A D converter 25 VDD0 5V positive power supply to ports 26 P64 FIP52 NC I O 27 P63 FIP51 FEN A I O MUL...

Page 64: ...P31 S16 I O Display 54 FIP24 P30 S15 I O Display 55 FIP23 S14 O Display 56 FIP22 S13 O Display 57 FIP21 S12 O Display 58 FIP20 S11 O Display 59 VDD2 5V positive power supply to FIP controller 60 VLOAD VF pull down resistor connection of FIP controller 61 FIP19 S10 O Display 62 FIP18 S9 O Display 63 FIP17 S8 O Display 64 FIP16 S7 O Display 65 FIP15 S6 O Display 66 FIP14 S5 O Display 67 FIP13 S4 O D...

Page 65: ...t FUNCTION SW full open latest data BD3841FS VIDEO system mute off latest data NJM2595 TUNER dummy data latest data LC72131 E VOLUME mute latest data M62446FP DSP reset start control DSP 58387 DIR reset start control AK4114VQ CODEC reset start control AK4628 SPEAKER relay off on SW DETECT start control CUSTOMISED THEATRE start control CONTROL OVERLOAD DETECT start control AMP ERROR DETECT start co...

Page 66: ...0 AC relay H L port A MUTE L port FUNCTION SW BD3841FS VIDEO system mute NJM2595 TUNER mute LC72131 E VOLUME mute BD3813FS DSP DSP 58387 DIR AK4114VQ CODEC AK4628 SPEKER relay off port SW DETECT CUSTOMISED THEATER CONTROL OVERLOAD DETECT AMP ERROR DETECT BOARD ERROR DETECT full open ...

Page 67: ...er function 2 when communicate to DSP 3 when initial processing 4 when detect trouble of AMP DC 5 when detect overload of AMP 6 when Power off 7 when muting by key input 0 120ms pass 180ms pass 240ms pass 300ms pass 440ms pass 500ms pass A MUTE L mute L or H L or H port E volume Mute data Last data BD3812 13 DSP or direct change Now data New or last data BD3813 speaker relay Now data New data port...

Page 68: ...tion Circuit Diagram 3 PCB Board Protection Circuit Diagram O L DET AMP 5V OL DET u con IC9001 Pin 73 5V DC PROT u con IC9001 L ON H OFF L ON H OFF Pin 23 DC DET AMP 5V Pin 24 U com IC9001 R Amp Input Assy Main Assy Amp Primary Assy Amp Speaker A G C IC601 IC602 IC601 IC602 Q696 Q697 Q605 Q606 Q633 Q683 Q655 Q656 ...

Page 69: ... L If the L is detected the microprocessor will perform as following flow chart A MUTE Audio mute command The abnormality continues for 3 seconds Continues Recovery The power is shut off The program restarts The power key is disabled But be switched on with the following methods 1 TESTMODE ON A55F A55F 2 When power off push FRONT ENTER key ADVANCED SURROUND key continuously 2sec 2 When a DC abnorm...

Page 70: ...e case of simultaneous detection with the overload protection circuit Board detection is performed preferentially to DC abnormality detection and Overload detection 3 Board detection The abnormality continues for 3 seconds Continues Recovery The power is shut off The power is shut off even if the unit recovers When an boad error is detected A MUTE is turned on speaker relay is turned off then BOAD...

Page 71: ...rform the following confirmation beforehand 1 Is the operation of fan motor in normal condition 2 Are there any Fuses and IC protectors open 3 After turn on the power confirm that the supply voltage of the point that can be measured is appropriate 4 Whether the voltage of pin3 of IC601 or IC602 is equal to VL 0 7V If not eg equal to VH then change the corresponding power pack IC601 or IC602 5 Furt...

Page 72: ...Input select buttons Press to select an input source 2 Character display See Display 3 ENTER 4 MULTI JOG dial The MULTI JOG dial performs a number of tasks Use it to select options after pressing the designated MULTI JOG buttons 5 STANDBY ON Switches the receiver between on and standby 6 PHONES jack Use to connect headphones When the headphones are connected there is no sound output from the speak...

Page 73: ...has been muted 15 16 TUNING STATION buttons Selects the frequency and station presets when using the tuner 17 TUNER EDIT Press to memorize and name a station for recall 18 TONE Press this button to access the bass and treble controls which you can then adjust with the MULTI JOG dial 19 QUICK SETUP See Using the Quick Setup 20 21 VSB MODE Selects the Virtual Surround Back VSB mode Rear panel AM LOO...

Page 74: ...ng Lights during Virtual surround back processing 6 DIRECT Lights when source direct playback is in use Direct playback bypasses the tone controls and channel levels for the most accurate reproduction of a source 7 8 ATT Lights when INPUT ATT is used to attenuate reduce the level of the analog input signal 9 SLEEP Lights when the receiver is in sleep mode 10 Tuner indicators MONO Lights when the m...

Page 75: ...MIDNIGHT LOUDNESS Switches to Midnight or Loudness listening 3 TOP MENU Displays the disc top menu of a DVD TUNER EDIT Press to memorize and name a station for recall 4 DVD Press to use the DVD controls on the remote 5 RECEIVER CONTROL buttons VOLUME Use to set the listening volume MUTE Mutes unmutes the sound INPUT SELECTOR RECEIVER CD R TAPE MD MIDNIGHT LOUDNESS ADVANCED SURROUND STANDARD TUNER ...

Page 76: ...ing up the surround sound for the receiver 11 TUNER controls The TUNING buttons can be used to find radio frequencies and the STATION buttons can be used to select preset radio stations CLASS Switches between the three banks classes of station presets MPX Use to switch between auto stereo and mono reception of FM broadcasts If the signal is weak then switching to mono will improve the sound qualit...

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Pioneer VSX-415-K, Service Manual

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