Pioneer VSX-1012-K Service Manual
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Pioneer VSX-1012-K Service Manual

Audio/video multi-channel receiver
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ORDER NO.
RRV2841
AUDIO/VIDEO MULTI-CHANNEL RECEIVER
VSX-1012-K
THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S).
Model
Type
Power Requirement
Remarks
VSX-1012-K
KUXJICA
AC120V
¶ This service manual should be used together with the following manual(s):
Model No.
Order No.
Remarks
VSX-45TX/KUXJI/CA
RRV2635
¶ For SPECIFICATIONS and PANEL FACILITIES, refer to the operating instructions.
PIONEER CORPORATION
4-1, Meguro 1-chome, Meguro-ku, Tokyo 153-8654, Japan
PIONEER ELECTRONICS (USA) INC. P.O. Box 1760, Long Beach, CA 90801-1760, U.S.A.
PIONEER EUROPE NV Haven 1087, Keetberglaan 1, 9120 Melsele, Belgium
PIONEER ELECTRONICS ASIACENTRE PTE. LTD. 253 Alexandra Road, #04-01, Singapore 159936
PIONEER CORPORATION 2003
T – ZZK SEPT. 2003 Printed in Japan

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  • Page 1 PIONEER CORPORATION 4-1, Meguro 1-chome, Meguro-ku, Tokyo 153-8654, Japan PIONEER ELECTRONICS (USA) INC. P.O. Box 1760, Long Beach, CA 90801-1760, U.S.A. PIONEER EUROPE NV Haven 1087, Keetberglaan 1, 9120 Melsele, Belgium PIONEER ELECTRONICS ASIACENTRE PTE. LTD. 253 Alexandra Road, #04-01, Singapore 159936 PIONEER CORPORATION 2003 T –...
  • Page 2 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.) CONTRAST TABLE VSX-1012-K/KUXJICA and VSX-45TX/KUXJI/CA are constructed the same except for the following : Part No. Ref. No. Mark...
  • Page 3 PIONEER CORPORATION 4-1, Meguro 1-chome, Meguro-ku, Tokyo 153-8654, Japan PIONEER ELECTRONICS (USA) INC. P.O. Box 1760, Long Beach, CA 90801-1760, U.S.A. PIONEER EUROPE NV Haven 1087, Keetberglaan 1, 9120 Melsele, Belgium PIONEER ELECTRONICS ASIACENTRE PTE. LTD. 253 Alexandra Road, #04-01, Singapore 159936...

  • Page 4: Safty Information

    PIONEER Service Manual. A subscription to, or additional copies Also test with plug reversed of, PIONEER Ser vice Manual may be obtained at a (Using AC adapter Earth nominal charge from PIONEER. plug as required)
  • Page 5 [ Important symbols for good services ] In this manual, the symbols shown-below indicate that adjustments, settings or cleaning should be made securely. When you find the procedures bearing any of the symbols, be sure to fulfill them: 1. Product safety You should conform to the regulations governing the product (safety, radio and noise, and other regulations), and should keep the safety during servicing by following the safety instructions described in this manual.

  • Page 6: Table Of Contents

    CONTENTS SAFTY INFORMATION ............................2 1. SPECIFICATIONS ............................5 2. EXPLODED VIEWS AND PARTS LIST ......................6 2.1 PACKING ..............................6 2.2 EXTERIOR SECTION..........................8 2.3 REAR PANEL SECTION.......................... 10 2.4 HEAT SINK SECTION..........................12 2.5 FRONT PANEL SECTION ........................14 3.

  • Page 7: Specifications

    1. SPECIFICATIONS Amplifier Section Component Video Section Continuous average power output of 100 watts∗ per Input (Sensitivity) channel, min., at 8 ohms, from 20 Hz to 20,000 Hz with Y...............1 Vp-p/75 Ω no more than 0.09 %∗∗ total harmonic distortion (front)..............0.7 V/75 Ω...

  • Page 8: Exploded Views And Parts List

    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 9 PACKING parts List Mark No. Description Part No. Mark No. Description Part No. Battery Cover See Contrast table (2) MIC Assy See Contrast table (2) NSP 11 Alkaline Dry Cell Battery See Contrast table (2) MIC Stand 45 See Contrast table (2) (LR6, AA) FM Wire Antenna ADH7004...

  • Page 10: Exterior Section

    2.2 EXTERIOR SECTION Refer to "2.3 REAR PANEL SECTION." Refer to "2.4 HEAT SINK SECTION." VSX-43TX ONLY 29 42 52 52 VSX-45TX ONLY VSX-45TX ONLY Refer to "2.5 FRONT PANEL SECTION." VSX-45TX...
  • Page 11 EXTERIOR SECTION parts List Mark No. Description Part No. Mark No. Description Part No. > T1 Power Transformer ATS7328 PRIMARY Assy AWX7968 > FU4,FU5 Fuse (3A) REK1113 SP/PS Assy See Contrast table (2) NSP 33 Trans Label 45 AAX7957 DIODE Assy See Contrast table (2) PCB Mold AMR2534...

  • Page 12: Rear Panel Section

    2.3 REAR PANEL SECTION 21(VSX-45TX ONLY) 23(VSX-45TX ONLY) VSX-45TX ONLY (VSX-45TX ONLY) For Exterior Sction (VSX-45TX ONLY) For Exterior Sction For Heat Sink Sction For Exterior Sction For Front Sction For Exterior Sction For Exterior Sction VSX-45TX...
  • Page 13 REAR PANEL SECTION parts List Mark No. Description Part No. Mark No. Description Part No. Speaker Sheet AAK8016 RS232C Assy See Contrast table (2) Cushion Circle 16B AED7052 COMPONENT Assy See Contrast table (2) 7.1CH I/O Assy AWX7973 Screw with Terminal See Contrast table (2) VIDEO Assy See Contrast table (2)

  • Page 14: Heat Sink Section

    2.4 HEAT SINK SECTION For Rear Panel Sction VSX-45TX...
  • Page 15 HEAT SINK SECTION parts List Mark No. Description Part No. POWER AMP-L Assy AWX7984 POWER AMP-C Assy AWX7986 POWER AMP-R Assy AWX7985 POWER AMP IN Assy AWX7982 NSP 5 Heat Sink 45 ANH7152 PCB Angle 45 ANG7406 Mica Sheet 45 AEE7047 NSP 8 Speed Clamp...

  • Page 16: Front Panel Section

    2.5 FRONT PANEL SECTION VSX-45TX ONLY VSX-45TX ONLY 19-2 VSX-45TX ONLY 18 (VSX-45TX ONLY) CUT (VSX-43TX ONLY) 19-1 VSX-45TX...
  • Page 17 FRONT PANEL SECTION parts List Mark No. Description Part No. Mark No. Description Part No. MULTI JOG Assy AWX7972 NK90FUC MIC & F.OPT IN Assy See Contrast table (2) Rotary Knob L BK AAA7018 DISPLAY Assy See Contrast table (2) D.Sheet See Contrast table (2) HEADPHONE Assy...

  • Page 18: Block Diagram And Schematic Diagram

    3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM 3.1 AUDIO BLOCK DIAGRAM IC1681 CN1802 CN101 VSX-45TX DSP ASSY PCM2902EG JA1681 (1/2)(20P) (1/2)(20P) ONLY DIGITAL COAXIAL IN USB AUDIO IC201 OUT2 ASSY AK4114VQ DIR & DIT JA1801 IN 3 (CD-R/TAPE1) SDTO IN 4 OPTICAL IN (CD) ASSY...
  • Page 19 IC601 (1/2) HEADPHONE IC681 (1/2) IC501 NJM4565MD NJM4565MD AK4383VT ASSY LPF Amp. MIX Amp. COAXIAL IN OPTICAL IN ASSY ASSY PHONES IC641 (1/2) CN101 CN1802 CN1801 CN1701 NJM4565MD IC541 CN1951 LPF Amp. (2/2)(20P) (2/2)(20P) (2/2)(9P) (2/2)(9P) JA1703 AK4383VT (3P) OUT1 DOUT1 IC561 OUT1...

  • Page 20: Dsp Block Diagram

    3.2 DSP BLOCK DIAGRAM DSP ASSY IC101 CN301 AK5380VT IC201 CN1802 AK4114VQ DIR & DIT CN651 IC701 TC74VHC157FT SELECTOR IC302 IS61LV6416-12T SRAM IC301 DSPC56367PV150 DECODER IC303 DSP1 IS63LV1024-12T SRAM IC705 TC7SH04FU IC706 INVERTER TC7SH04FU IC305 TC7W125FU 3 STATE BUFFER INVERTER VSX-45TX...
  • Page 21 IC501 AK4383VT IC521 AK4383VT IC503 TC7SH04FU BUFFER IC541 AK4383VT IC561 AK4382AVT IC401 DSPC56367PV150 DSP2 VSX-45TX...

  • Page 22: Video And Power Amp Block Diagram

    3.3 VIDEO AND POWER AMP BLOCK DIAGRAM JA1001 IC1002 (1/2) COMPONENT ASSY TK15450M JA1003 Y Amp. (DVD/LD) MONITOR OUT IC1003 (2/2) (COMPONENT TK15450M VIDEO) Cb Amp. VSX-45TX (TV/SAT) IC1003 (1/2) IC1051 ONLY TK15450M PDC084A Cr Amp. JA1002 IC101 TC74HC4053AF Selector CN1001 (9P) CN2404...
  • Page 23 VSX-45TX...

  • Page 24: Overall Wiring Diagram

    3.4 OVERALL WIRING DIAGRAM VOLUME ASSY (AWX7971) DISPLAY ASSY (VSX-45TX : AWX7983) (VSX-43TX : AWX8011) MIC & F.OPT IN ASSY (AWX7981) FRONT IN ASSY (AWX7977) MIC AMP ASSY HEADPHONE ASSY (AWX8004) (AWX7980) VSX-45TX ONLY 1/2, VSX-45TX ONLY DSP ASSY (AWX8016) INPUT CONNECT ASSY (VSX-45TX : AWX7974) (VSX-43TX : AWX8041)
  • Page 25 Note : When ordering service parts, be sure to refer to "EXPLODED VIEWS and PARTS LIST" or "PCB PARTS LIST". MULTI JOG ASSY (AWX7972) FAN MOTOR (FRONT) AXM7023 TRANS 2-2 TRANS 1 ASSY ASSY (AWX7970) (AWX7969) FAN DRIVE POWER AMP IN ASSY ASSY (AWX7976)

  • Page 26: Fm/Am Tuner Module

    3.5 FM/AM TUNER MODULE FM/AM TUNER MODULE (AXQ7231) FM FRONT END (FM) (FM) (FM) (FM) (FM) (AM) (AM) (AM) MW RF TUNING BLOCK (FM) (AM) OSC : 980 - 2150kHz 10k step VSX-45TX...
  • Page 27 (TX) : AUDIO SIGNAL ROUTE (TUNER Lch) (AM) : AM SIGNAL ROUTE (FM) : FM SIGNAL ROUTE : The power supply is shown with the marked box. ATF7026 (AM) (TX) (FM) CN601 (TX) (TX) (FM) (FM) (TX) (AM) L201 ATE7003 PLL IC VSX-45TX...

  • Page 28: I/O, V-Audio In, Front In And Optical In Assys

    3.6 7.1CH I/O, V-AUDIO IN, FRONT IN and OPTICAL IN ASSYS BUFFER FRONT SURROUND CENTER (SB) WOOFER (SB) (SB) (SB) (SB) SURROUND BACK PREOUT MUTE WOOFER CENTER 7.1CH I/O ASSY (AWX7973) FRONT CN1408 SURROUND (SB) (SB) (SB) SURROUND BACK : The power supply is shown with the marked box.
  • Page 29 VSX-45TX ONLY V-AUDIO IN ASSY (MR) (MR) (VSX-45TX : AWX7964) (MR) (VSX-43TX : AWX7991) MUTE VSX-45TX : CN1205 (1/3-3/3) AKB7009 VSX-45TX : (2/3) : AUDIO SIGNAL ROUTE (Lch) VSX-43TX : (1/2) VSX-43TX : CN1202 (1/2-2/2) (MR) AKB7015 : AUDIO SIGNAL ROUTE (MULTI-ROOM Lch) (DVD) : AUDIO SIGNAL ROUTE (DVD Lch) : AUDIO SIGNAL ROUTE (FRONT Lch)

  • Page 30: Input Connect And Coaxial In Assys

    3.7 INPUT CONNECT and COAXIAL IN ASSYS INPUT CONNECT ASSY (VSX-45TX : AWX7974) (VSX-43TX : AWX8041) CN1204 CN101 (DVD) (DVD) VSX-45TX ONLY : AUDIO SIGNAL ROUTE (Lch) (MR) : AUDIO SIGNAL ROUTE (MULTI-ROOM Lch) (DVD) : AUDIO SIGNAL ROUTE (DVD Lch) VOLUME : AUDIO SIGNAL ROUTE (FRONT Lch) : AUDIO SIGNAL ROUTE (SURROUND Lch)
  • Page 31 DIGITAL USB AUDIO USB RECEIVER IC1681 PCM2902EG (UD) (UD) (UD) VSX-45TX ONLY COAXIAL IN ASSY (VSX-45TX : AWX7965) (VSX-43TX : AWX8013) : The power supply is shown with the marked box. (1/2) (CD-R/TAPE1) (CD) (2/2) (UD) CN2406 CN101 VSX-45TX...

  • Page 32: Video Assy

    3.8 VIDEO ASSY VIDEO ASSY (VSX-45TX : AWX7962) (VSX-43TX : AWX8002) VIDEO VCR1/ MAIN FUNCTION (COMP) S VIDEO VSX-45TX ONLY VIDEO VCR2 S VIDEO MAIN FUNCTION (SY) VIDEO (SC) (SY) DVD/LD (SY) (SY) S VIDEO (SC) (SC) VIDEO TV/SAT MAIN FUNCTION (C) DC SELECTOR S VIDEO (SC)
  • Page 33 : VIDEO SIGNAL ROUTE (MR) VSX-43TX : VIDEO SIGNAL ROUTE (MULTI-ROOM) ONLY (SY) : VIDEO SIGNAL ROUTE (S VIDEO Y ch) (SC) : VIDEO SIGNAL ROUTE (S VIDEO C ch) VSX-45TX VSX-45TX ONLY ONLY MULTI-ROOM (MR) SUB FUNCTION & SOURCE MONITOR OUT SELECTOR COMPOSITE...

  • Page 34: Component And Rs232C Assys

    3.9 COMPONENT and RS232C ASSYS COMPONENT ASSY (VSX-45TX : AWX7963) (VSX-43TX : AWX8021) VIDEO AMP (PB) IC101 TC74HC4053AF (PB) (PB) (PR) (PB) (PR) COMPONENT SIGNAL COMPONENT SELECTOR VIDEO (PR) (PB) (PR) (PR) VSX-45TX CAUTION : FOR CONTINUED PROTECTION AGAINST ONLY RISK OF FIRE.
  • Page 35 : The power supply is shown with the marked box. (PB) (PB) (PR) VSX-45TX ONLY (PR) (PR) (PB) (PR) 1SS355 1SS355 : VIDEO SIGNAL ROUTE (Y) (PB) : VIDEO SIGNAL ROUTE (P (PR) CN2404 : VIDEO SIGNAL ROUTE (P VSX-45TX...

  • Page 36: Main Control Assy (1/3)

    3.10 MAIN CONTROL ASSY (1/3) CONTROL (TX) (CD-R) (CD-R) CD-R/ (TX) TAPE1 PLAY CD-R/ TAPE1 TAPE2 (CD-R) MAIN FUNCTION PLAY TAPE2 VSX-45TX ONLY PHONE/ LINE MAIN CONTROL ASSY (VSX-45TX : AWX7961) (VSX-43TX : AWX8000) CN1401 VSX-45TX...
  • Page 37 CN601 CN1403 VSX-43TX VSX-45TX ONLY ONLY R135, R136 : VSX-45TX : 9.1kΩ VSX-43TX : 0Ω (SB) 2SC3326 4.7k 2SC3326 4.7k VSX-43TX ONLY INPUT BUFFER /PHONO FLAT GAIN SUB FUNCTION (MR) BUFFER FOR MR : AUDIO SIGNAL ROUTE (Lch) (CD-R) : AUDIO SIGNAL ROUTE (CD-R Lch) (TX) : AUDIO SIGNAL ROUTE (TUNER Lch) (MR)

  • Page 38: Main Control Assy (2/3)

    3.11 MAIN CONTROL ASSY (2/3) MAIN CONTROL ASSY (VSX-45TX : AWX7961) (VSX-43TX : AWX8000) PREAMP & MAIN (MASTER) VOLUME 1/3,3/3 (SB) (SB) (SB) (SB) (SB) (SB) (SB) VSX-45TX...
  • Page 39 : AUDIO SIGNAL ROUTE (FRONT Lch) : AUDIO SIGNAL ROUTE (SURROUND Lch) (SB) : AUDIO SIGNAL ROUTE (SURROUND BACK Lch) : AUDIO SIGNAL ROUTE (CENTER ch) (SB) PREAMP & MAIN (MASTER) VOLUME CN4001 (SB) CN1404 VSX-45TX...

  • Page 40: Main Control Assy (3/3)

    3.12 MAIN CONTROL ASSY (3/3) 10V REGULATOR +10V VSX-43TX ONLY VSX-45TX ONLY 1/3,2/3 RESET IC501 PD5770B8 MAIN CONTROL µ-COM PORT EXPANDER CN2415 CN2414 CN2412 VSX-45TX...
  • Page 41 CN3006 MAIN CONTROL ASSY (VSX-45TX : AWX7961) (VSX-43TX : AWX8000) (TX) : AUDIO SIGNAL ROUTE (TUNER Lch) CN2411 IC302 TC74VHCT244AFT LEVEL SHIFT 3.3V ––> 5V BUFFER : The power supply is shown with the marked box. CN2413 VSX-45TX...

  • Page 42: Mic & F.opt In, Mic Amp And Dsp Connection Assys

    3.13 MIC & F.OPT IN, MIC AMP and DSP CONNECTION ASSYS VSX-45TX ONLY MIC & F.OPT IN ASSY (AWX7981) DIGITAL CN3004 SETUP CN2409 CN2408 MIC AMP ASSY (AWX8004) MIC AMP CN2407 VSX-45TX ONLY : The power supply is shown with the marked box. L M N VSX-45TX...
  • Page 43 DSP CONNECTION ASSY (AWX8024) LEVEL SHIFT 5V ––> 3.3V AKP7177 VSX-45TX...

  • Page 44: Power Amp In, Fan Drive And Fan Connection Assys

    3.14 POWER AMP IN, FAN DRIVE and FAN CONNECTION ASSYS : AUDIO SIGNAL ROUTE (FRONT Lch) : AUDIO SIGNAL ROUTE (SURROUND Lch) (SB) : AUDIO SIGNAL ROUTE (SURROUND BACK Lch) : AUDIO SIGNAL ROUTE (CENTER ch) POWER AMP IN ASSY (AWX7982) (SB) OVER LOAD DETECTION 1SS355...
  • Page 45 FAN CONNECTION ASSY (AWX8005) CAUTION : FOR CONTINUED PROTECTION AGAINST RISK OF FIRE. REPLACE ONLY WITH SAME TYPE NO. 491.200 MFD, BY LITTELFUSE INK. FOR IC4701 AND IC4702. J2201 Non Connection FAN DRIVE ASSY (AWX7976) +25.2V 1SR154-400 1SR154-400 1SS355 VSX-45TX...

  • Page 46: Dsp Assy (1/2)

    3.15 DSP ASSY (1/2) DSP ASSY (AWX8016) (SD) (UD) (F)(S)(SB)(C) (SD) (UD) (UD) (UD) (SB) (SD) (SD) (SD) CN1651 VSX-45TX...
  • Page 47 : The power supply is shown with the marked box. (F)(S)(SB)(C) (F)(S)(SB)(C) (F)(S)(SB)(C) (F)(S)(SB)(C) (SB) (SD) : AUDIO SIGNAL ROUTE (Lch) : AUDIO SIGNAL ROUTE (FRONT Lch) : AUDIO SIGNAL ROUTE (SURROUND Lch) (SB) : AUDIO SIGNAL ROUTE (SURROUND BACK Lch) : AUDIO SIGNAL ROUTE (CENTER ch) (SD) : SURROUND DATA SIGNAL ROUTE...

  • Page 48: Dsp Assy (2/2)

    3.16 DSP ASSY (2/2) DSP ASSY (AWX8016) (F)(S)(SB)(C) (F)(S)(SB)(C) (F)(S)(SB)(C) (SB) (SB) (SB) VSX-45TX...
  • Page 49 : AUDIO SIGNAL ROUTE (Lch) : AUDIO SIGNAL ROUTE (FRONT Lch) : AUDIO SIGNAL ROUTE (SURROUND Lch) (SB) : AUDIO SIGNAL ROUTE (SURROUND BACK Lch) : AUDIO SIGNAL ROUTE (CENTER ch) (SB) (SB) (SB) (SB) (SB) (SB) (SB) (SB) VSX-45TX...

  • Page 50: Display Assy

    3.17 DISPLAY ASSY DISPLAY ASSY (VSX-45TX : AWX7983) (VSX-43TX : AWX8011) VSX-43TX VSX-45TX ONLY ONLY REMOTE SIGNAL CONTROL CN501 VSX-45TX...
  • Page 51 52045-0345 (HP) CN1951 (HP) CN2002 CN3401 CN3451 CN1601 VSX-45TX ONLY CN1501 VSX-45TX ONLY (HP) : AUDIO SIGNAL ROUTE (PHONES ch) CN4752 VSX-45TX...

  • Page 52: Volume, Multi Jog And Headphone Assys

    3.18 VOLUME, MULTI JOG and HEADPHONE ASSYS VOLUME ASSY (AWX7971) J3002 ROTARY ENCODER S3401 : MASTER VOLUME S3402 : ACOUSTIC EQ S3403 : MULTI CH IN S3404 : STEREO/DIRECT VSX-45TX...
  • Page 53 MULTI JOG ASSY (AWX7972) S3451 : MULTI JOG S3452 : ENTER S3453 : MUSIC S3454 : MOVIE S3455 : STANDBY/ON J3003 ROTARY ENCODER (HP) : AUDIO SIGNAL ROUTE (PHONES ch) HEADPHONE ASSY (AWX7980) CN3007 (HP) (HP) PHONES VSX-45TX...

  • Page 54: Regulator Assy

    3.19 REGULATOR ASSY REGULATOR ASSY (AWX7967) +24.5V +15V AUDIO J4602 -25.1V FOR AUDIO +11.4V -15V VIDEO +5.6V CAUTION : FOR CONTINUED PROTECTION AGAINST RISK OF FIRE. REPLACE ONLY WITH SAME TYPE -11.4V +43.7V NO. 491.315 MFD, BY LITTELFUSE INK. FOR IC2411.
  • Page 55 FOR TUNER +12V FOR AD CN1652 CN1653 CN1654 : The power supply is shown with the marked box. VSX-45TX...

  • Page 56: Power Amp-L Assy

    3.20 POWER AMP-L ASSY POWER AMP-L ASSY (AWX7984) THERMISTOR AEX7004 (SB) (SB) (SB) (SB) (SB) (SB) : AUDIO SIGNAL ROUTE (FRONT Lch) : AUDIO SIGNAL ROUTE (SURROUND Lch) (SB) : AUDIO SIGNAL ROUTE (SURROUND BACK Lch) : AUDIO SIGNAL ROUTE (CENTER ch) VSX-45TX...
  • Page 57 : The power supply is shown with the marked box. POWER AMP CURRENT AMPLIFYING STAGE POWER AMP VOLTAGE AMPLIFYING STAGE (SB) (SB) (SB) (SB) (SB) (SB) (SB) (SB) CN4455 VSX-45TX...

  • Page 58: Power Amp-R And Power Amp-C Assys

    3.21 POWER AMP-R and POWER AMP-C ASSYS POWER AMP VOLTAGE AMPLIFYING POWER AMP-R ASSY (AWX7985) STAGE DC DETECTION POWER AMP-C ASSY (AWX7986) VSX-45TX...
  • Page 59 POWER AMP CURRENT AMPLIFYING STAGE CN4602 CN4604 CN4604 : The power supply is shown with the marked box. : AUDIO SIGNAL ROUTE (CENTER ch) CN4602 VSX-45TX...

  • Page 60: Sp/Ps, Diode, Trans 2-1 And Vh Tr Assys

    3.22 SP/PS, DIODE, TRANS 2-1 and VH TR ASSYS DIODE ASSY (VSX-45TX : AWX8017) (VSX-43TX : AWX8038) CAUTION : FOR CONTINUED PROTECTION AGAINST D2241, D2242 : RECTIFIER RISK OF FIRE. REPLACE ONLY WITH VSX-45TX : LN6SB60-4003 FOR POWER AMP SAME TYPE NO. 4913.15 MFD, BY VSX-43TX : B5SBA20(B) LITTELFUSE INK.
  • Page 61 SP/PS ASSY (VSX-45TX : AWX7975) (VSX-43TX : AWX8037) RY4601-RY4605 : VSX-45TX : ASR7014 VSX-43TX : ASR7026 ADX7291 FRONT AKE7074 (SB) SURROUND (SB) SURROUND BACK/ AKE7075 CENTER (SB) (SB) (HP) VSX-45TX ONLY R4628-R4632 : VSX-45TX : 330Ω VSX-43TX : 470Ω D4601-D4610 : 1SS355 RTF1167 VSX-45TX ONLY...

  • Page 62: Trans 2-2, Trans 1 And Primary Assys

    3.23 TRANS 2-2, TRANS 1 and PRIMARY ASSYS • NOTE FOR FUSE REPLACEMENT FOR CONTINUED PROTECTION AGAINST RISK OF FIRE. CAUTION - REPLACE WITH SAME TYPE AND RATINGS ONLY. TRANS 2-2 ASSY (AWX7970) CAUTION : FOR CONTINUED PROTECTION AGAINST RISK OF FIRE. REPLACE ONLY WITH SAME TYPE NO.
  • Page 63 CN4613 CN4610 (HP) : AUDIO SIGNAL ROUTE (PHONES ch) PRIMARY ASSY (AWX7968) (HP) AC OUTLET AC RELAY LIVE VEK1029 (10A/125V) AC IN NEUTRAL VSX-45TX...

  • Page 64: Pcb Connection Diagram

    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 65: Fm/Am Tuner Module

    4.1 FM/AM TUNER MODULE SIDE A SIDE A FM/AM TUNER MODULE (ANP7338-B) CN201 Q202 CN601 SIDE B SIDE B FM/AM TUNER MODULE CN201 (ANP7338-B) Q203 Q601 Q204 Q602 IC201 IC202 Q205 VSX-45TX...

  • Page 66: I/O Assy

    4.2 7.1CH I/O ASSY SIDE A SIDE A 7.1CH I/O ASSY CN1304 CN1303 CN1302 CN1301 C1335 C1336 C1325 C1326 C1315 C1316 C1305 C1306 W1317 W1308 W1312 W1313 W1314 W1315 W1304 W1303 C1310 W1319 C1309 W1320 W1321 C1329 W1322 CN1308 CN1306 CN1307 (ANP7419-B) CN1307...

  • Page 67: V-Audio In Assy

    4.3 V-AUDIO IN ASSY SIDE A SIDE A V-AUDIO IN ASSY Q1201 Q1202 W1204 (ANP7420-B) CN1204 CN1405 SIDE B SIDE B V-AUDIO IN ASSY CN1204 (ANP7420-B) VSX-45TX...

  • Page 68: Front In, Optical In And Input Connect Assys

    4.4 FRONT IN, OPTICAL IN and INPUT CONNECT ASSYS SIDE A CN3005 OPTICAL IN ASSY FRONT IN ASSY CN1501 FRONT IN ASS'Y JA1704 JA1703 JA1702 JA1701 W1501 CN1501 JA1501 1.+5V 2.D-IN2 CMK-P3X 3.GNDD(SEP) 4.D-IN1 (ANP7420-B) 5.GNDD(SEP) OPTICAL-IN 6.D-OUT2 7.GNDD(SEP) 8.D-OUT1 ASS'Y 9.GNDD (ANP7420-B)
  • Page 69 SIDE B OPTICAL IN ASSY FRONT IN ASSY CN1501 FRONT IN ASS'Y C M K - P 3 X AWX7977 R1504 AWX8186 R1508 C1509 C1506 R1502 C1508 L1501 L1503 R1510 C1502 C1701 R1506 C1705 C1507 R1505 C1510 C1505 KN1501 (ANP7420-B) (ANP7420-B) CN1701 1801...

  • Page 70: Coaxial In Assy

    4.5 COAXIAL IN ASSY SIDE A SIDE A CN1701 COAXIAL IN ASSY CN1801 CONTACT SIDE C1890 COAXIAL IN ASS'Y R1885 R1883 C1885 IC1802 R1839 R1838 C1828 C1830 C1826 C1829 CN1801 C1827 C1825 CN1802 F1801 C1884 C1886 R1884 R1886 C1839 C1891 CN101 R1841 C1834...

  • Page 71: Video Assy

    4.6 VIDEO ASSY SIDE A SIDE A VIDEO ASSY JA905 JA904 JA903 JA902 R921 JA901 2279-1 C912 2279-2 C908 OSD ON R949 C917 R968 R909 C915 R908 R967 R974 R950 R972 C944 R953 V-5V R945 R910 C907 V+5V R946 R952 C916 R940 C913...

  • Page 72: Main Control And Rs232C Assys

    4.7 MAIN CONTROL and RS232C ASSYS SIDE A Q601 IC651 Q651 IC102 Q102 Q652 IC201 Q101 Q103 IC101 IC202 IC503 IC502 IC511 CN1403 CN1404 CN201 MAIN CONTROL ASSY CN102 CN103 CN601 MAIN CONTROL ASS'Y C657 C655 L651 R652 C656 C658 C659 Q601 J601 Q601...
  • Page 73 SIDE A IC104 IC702 IC701 IC511 IC501 IC103 IC704 IC703 For Flash CN601 CN4001 ROL ASSY CN552 CN301 CN801 CN801 TO AMP 24.FANDRV HCMK-P3X 23.GNDU 22.FAN STOP 21.LO FAN R725 C725 IC701 20.TEMP C721 C717 C713 19.V+5.6 ODUCTION CODE 18.AMUTE CN301 C303 C304...
  • Page 74 SIDE B IC711 IC712 IC713 Q501 IC302 Q511 IC714 MAIN CONTROL ASSY CN301 CN301 CN551 CN552 CN302 CN351 CN351 CN551 CN552 CN302 RS232C ASSY CN1902 EN CAS DE REMPLACEMENT DES FUSIBLES ATTENTION IC 1932 N'UTILISER QUE LA REFERENCE 491.125 DE CHEZ LITTELFUSE INC.
  • Page 75 SIDE B Q601 Q251 CN601 CN601 CN351 CN502 (ANP7418-A) CN502 20-B) VSX-45TX...

  • Page 76: Mic & F. Opt In, Mic Amp And Dsp Connection Assys

    4.8 MIC & F. OPT IN, MIC AMP and DSP CONNECTION ASSYS SIDE A MIC & F.OPT IN ASSY JA1601 JA1606 CN1601 CN1602 VSX-45TX ONLY 1 2 3 (ANP7418-A) CN1602 CN1601 MIC AMP ASSY CN3004 HCMK-P3X CN4751 MIC AMP ASS'Y (ANP7418-A) CN4752 IC4751...
  • Page 77 SIDE B MIC & F.OPT IN ASSY HCMK-P3X C1602 R1608 C1601 R1601 C1611 C1606 VSX-45TX ONLY C1612 C1613 C1614 R1609 C1607 R1607 MIC & F.OPT ASS'Y (ANP7418-A) CN1601 CN1602 MIC AMP ASSY CN4751 IC4752 AWX8004 HCMK-P3X (ANP7418-A) CN4752 DSP CONNECTION ASSY HCMK-P3X AWX8024 CN1654...

  • Page 78: Power Amp In Assy

    4.9 POWER AMP IN ASSY SIDE A SIDE A CN4054 FAN MOTOR (FRONT) POWER AMP IN ASSY CN4004 CN4003 3.F.FANSTOP CN4002 17.VH+ (J12) 2.F.FAN- 1.VH+ 16.VH+ 1.F.FAN+ 10.F.FAN+ 15.VHGND 2.VH+ 9.F.FAN- 14.VHGND 3.VHGND 8.F.FANSTOP 13.VH- 4.VHGND 7.FANSTOP 12.VH- 11.V+5V 6.FANDRV CN4001 5.VH- 10.TEMP...

  • Page 79: Fan Drive And Fan Connection Assys

    4.10 FAN DRIVE and FAN CONNECTION ASSYS SIDE A SIDE A FAN DRIVE ASSY Q4051 Q4051 10.F. J4701 FAN+ 9.F. FAN- 8.F. FANSTOP 7.FANSTOP 6.FANDRV 5.GNDU 4.LOFAN 3.VH+ 2.VHG 1.VH- C4051 Q4054 CN4054 (ANP7419-B) FAN CONNECTION ASSY J4701 CAUTION FAN CONNECTION ASS'Y HCMK-P3X CN4702 REPLACE WITH SAME TYPE NO.491.200...

  • Page 80: Dsp Assy

    4.11 DSP ASSY SIDE A • This diagram has four layers. In the two middle layers, mainly Vcc and GND are connected. CN301 DSP ASSY CN601 CN601 R631 C613 C923 L303 IC302 C924 C925 C334 C677 R690 L451 R361 L302 C678 R689 Q683...
  • Page 81 SIDE B • This diagram has four layers. In the two middle layers, mainly Vcc and GND are connected. DSP ASSY L R SW SL SBL SR JTAG E88558(S) (ANP7441-A) Q701 IC303 IC451 IC681 Q682 Q681 Q702 IC706 IC101 IC401 1802 IC705 Q601...

  • Page 82: Display, Volume, Multi Jog And Headphone Assys

    4.12 DISPLAY, VOLUME, MULTI JOG and HEADPHONE ASSYS SIDE A MULTI JOG ASSY HEADPHONE ASSY CONTACT SIDE CMK-P3X H.P ASS'Y (ANP7420-B) (ANP7420-B) CN3451 DISPLAY ASSY CN3007 W3567 125.00 121.00 W3573 W3544 W3572 CN2002 W3543 W3542 IC3002 U5.6V W3545 W3546 D3001 U5.6V W3530 W3529...
  • Page 83 SIDE A VOLUME ASSY VOLUME ASS'Y E ASSY CN4611 7420-B) (ANP7420-B) CN1501 CN1601 CN3005 CN3004 CN3004 CMK-P3X J3002 1.UCOM+5V 2.UGND 3.VOL- 125.00 4.VOL+ CN3005 5.KEY4 V3000 121.00 W3580 C3026 U5.6V D3011 C3029 W3558 3001 W3553 C3027 CN4752 C3028 W3552 W3556 C3020 C3022 +15V...
  • Page 84 SIDE B VOLUME ASSY VOLUME ASS'Y 7971 R1951 CMK-P3X (ANP7420-B) DISPLAY ASSY CN3005 CN3004 1.FV_Y 1.UCOM+5V 2.FV_C 2.UGND CMK-P3X 3.F_VIDEO 1.D+5V 4.AGND 2.MICSW 5.FV_L 3.VOL- 3.DG 6.AGND 4.VOL+ 4.OPT 5.KEY4 7.FV_R U5.6V DISPLAY ASS'Y R3062 R3061 C3025 +15V 1.SR IN R3055 R3059 -15V...
  • Page 85 SIDE B MULTI JOG ASSY R3455 R3451 HEADPHONE ASSY R3452 C3452 R1951 1.HPR 2.HPL 3.HPSW (ANP7420-B) (ANP7420-B) CN3451 CN3007 C3030 CN3007 11.NECK C3004 R3039 10.RY_A D3008 R3022 C3031 C3003 R3036 9.RY_HP 8.RY_C/S 7.RY_SB 6.AC_RY D3006 R3023 R3042 R3037 5.HP_L 4.HP_R R3025 R3018 3.UGND...

  • Page 86: Regulator And Component Assys

    4.13 REGULATOR and COMPONENT ASSYS SIDE A CN1803 CN1652 IC2407 REGULATOR ASSY CN2415 CN2406 CN2407 REGULATOR ASSY CN2406 W2501 W2516 W2492 W2493 W2494 W2497 7967 7993 8020 W2499 W2496 CN2407 W2498 W2495 W2475 W2490 W2491 W2470 W2500 W2462 W2463 W2466 W2472 W2468 W2471...
  • Page 87 SIDE A CN1653 CN1654 CN2408 CN2409 CN2412 D I P W2507 C2412 C2411 W2506 W2518 D2415 W2505 W2504 CN2407 CN2408 CN2409 W2503 W2489 W2480 W2483 W2488 W2484 W2485 W2486 CN2412 W2481 W2456 W2482 CN2414 CN2410 D2416 W2449 W2455 L2401 2402 L2402 Y2401 W2448...
  • Page 88 SIDE B REGULATOR ASSY CN2412 CN2409 CN2408 CN2407 C2447 C2434 D2423 C2413 C2404 C2407 (ANP7419-B) D2405 CN2414 CN2410 CN2411 CN2412 COMPONENT ASSY C1003 C1006 C1005 C1001 C1002 C1004 R1005 R1006 R1002 R1003 R1001 R1004 C1024 C1026 L1053 C1061 Q1051 R1055 C1055 (ANP7418-A) Q1051...
  • Page 89 SIDE B 2407 CN2406 CN2415 C2447 D2404 C2428 D2403 C2413 D2401 D2402 CN2411 CN2413 CN2405 D2419 CN2404 D2418 CN2403 CN2401 VSX-45TX...

  • Page 90: Power Amp L And Power Amp C Assys

    4.14 POWER AMP L and POWER AMP C ASSYS SIDE A THERMISTOR POWER AMP-L ASSY CN4403 POWER AMP-L ASS'Y 1.VH+ 2.VH+ 3.VHG CN4403 4.VHG 5.VH- 6.VH- W3016 7.+5V 8.TEMP 9.AMUTE 10.OL DET 11.DC DET 12.AGFL CN4003 13.FL 14.AGSL 15.SL C4203 C4204 16.AGSBL C4305...
  • Page 91 SIDE A AWX7984 CN4456 1.AMPG 2.VH+ W3002 3.VHG W3001 4.VH- 5.CG1 6.CS C4402 7.CS IC4101 C4104 8.CS 9.DC 10.CG2 W3028 W3029 C4114 C4401 W3031 W3033 W3039 R4119 W3040 J4301 J4201 J4101 J4102 (ANP7421-A) IC4101 IC4202 IC4103 IC4102 IC4453 CN4605 CN4601 POWER AMP-C ASSY CN4455 R4469...
  • Page 92 SIDE B POWER AMP-L ASSY 1.AMPG 2.VH+ C4102 R4102 3.VHG 4.VH- 5.CG1 C4115 R4103 Q4101 6.CS 7.CS C4215 8.CS 9.DC 10.CG2 C4113 R4114 R4116 D4103 D4101 D4107 D4203 D4104 D4201 D4106 D4102 R4115 R4120 R4121 R4118 Q4102 Q4101 POWER AMP-C ASSY CN4455 CN4455 R4457...
  • Page 93 SIDE B CN4403 1.VH+ 2.VH+ 3.VHG 4.VHG 5.VH- 6.VH- 7.+5V 8.TEMP 9.AMUTE 10.OL DET 12.AGFL 11.DC DET 13.FL 14.AGSL 15.SL 16.AGSBL 17.SBL C4215 C4207 R4205 R4307 C4315 C4307 R4213 Q4402 R4305 R4314 C4306 R4211 R4316 R4311 R4308 R4210 D4203 R4315 R4310 D4201 R4214...

  • Page 94: Power Amp R Assy

    4.15 POWER AMP R ASSY SIDE A POWER AMP-R ASSY ASS'Y POWER AMP-R AWX7985 W3128 CN4454 C4153 CN4453 10.C 9.AGC 8.AMUTE 7.CG1 6.OL DET IC4151 IC4251 5.DC DET C4164 W3099 4.CS 3.CS 2.CS W3103 1.CG2 W3101 R4169 J4351 J4251 J4352 J4151 CN4602 CN4606...
  • Page 95 SIDE A 19.VH+ 18.VH+ 17.VHG 16.VHG 15.VH- 13.NC 14.VH- 12.AMUTE 11.OL DET 10.DC DET 9.AGC 7.AGFR 6.FR CN4002 5.AGSR C4254 4.SR C4253 3.AGSBR 2.SBR 1.NC C4354 C4355 IC4351 C4353 IC4251 W3121 C4260 C4258 C4261 C4251 C4360 W3103 W3104 R4269 W3106 R4369 J4351 J4451...
  • Page 96 SIDE B POWER AMP-R ASSY 19.VH+ 18.VH+ 17.VHG 16.VHG 15.VH- 14.VH- 13.NC 12.AMUTE 11.OL DET 10.DC DET 9.AGC Q4252 R4477 7.AGFR 6.FR 5.AGSR C4265 4.SR 3.AGSBR 2.SBR 1.NC R4255 R4256 R4355 C4365 R4253 R4259 Q4351 Q4404 R4363 R4260 R4402 R4261 D4253 Q4251 R4366...
  • Page 97 SIDE B R4476 10.C 9.AGC C4166 Q4252 8.AMUTE D4255 7.CG1 C4156 6.OL DET R4266 5.DC DET 4.CS R4475 R4265 R4163 3.CS 2.CS R4153 1.CG2 R4160 R4164 R4165 R4161 R4166 D4154 D4153 D4157 D4151 D4152 R4168 R4171 R4170 R4167 (ANP7421-A) Q4252 Q4151 Q4152 VSX-45TX...

  • Page 98: Sp/Ps Assy

    4.16 SP/PS ASSY SIDE A SP/PS ASSY R4622 WHITE R4602 L4601 C4609 CN4602 CN4602 C4602 CN4601 L4602 R4612 CN4601 C4626 W4642 W4641 CN4604 W4644 RY4601 R4601 RY4605 C4601 Bond R4611 W4638 R4629 C4608 C4625 W4637 C4614 C4607 W4632 R4607 L4607 C4624 W4633 R4615...
  • Page 99 SIDE B SP/PS ASSY CN4602 CN4601 D4601 D4602 R4637 D4607 R4640 D4608 D4603 CN4604 D4604 R4638 Q4603 CN4603 R4635 6.GG 5.-15V 4.NECK Q4602 3.REG B D4605 2.REG G R4639 8.W UP 1.REG B D4606 7.ST+5.6V 0 0 0 6.STG 5.-15V 4.+15V 2401 3.REG B...

  • Page 100: Diode, Trans 2-1 And Vh Tr Assys

    4.17 DIODE, TRANS 2-1 and VH TR ASSYS SIDE A TRANS 2-1 ASSY EN CAS DE REMPLACEMENT DES FUSIBLES C2207 IC2201 ET IC2202 N'UTILISER QUE LA REFERENCE 4913.15 DE CHEZ LITTEL- POWER -FUSE INC. IC2202 TRANSFORMER IC2202 C2201 C2208 R2201 ATTENTION W2205 W2204...
  • Page 101 SIDE B TRANS 2-1 ASSY REPLACE WITH SAME TYPE NO.4913.15 FOR IC2201 AND D2201 IC2201 Q2201 Q2201 IC2202 MFD. BY LITTEL- FUSE INC. R2208 IC2202 I C 2 2 0 2 Q2202 Q2202 R2202 -15V REG B NECK REG G REG B REG G REG B...

  • Page 102: Trans 2-1, Trans 1 And Primary Assys

    4.18 TRANS 2-1, TRANS 1 and PRIMARY ASSYS SIDE A POWER TRANSFORMER TRANS 2-2 ASSY AWX7970 PRIMARY IC2251 TRANS 1 ASSY IC2252 IC2253 C2251 W2252 2251 EN CAS DE DES W2253 REMPLACEMENT FUSIBLES IC2253 N'UTILISER REFERENCE 491005, IC2251 ET IC2252 N'UTILISER REFERENCE 4913.15...
  • Page 103 SIDE B TRANS 1 ASSY TRANS 2-2 ASSY REPLACE WITH SAME TYPE NO.491005 FOR IC2253, 4913.15 FOR IC2251 AND IC2252 MFD. BY LITTELFUSE INC. (ANP7419-B) (ANP7419-B) PRIMARY ASSY CN2002 SECONDARY PRIMARY AC IN C2012 C2005 C2007 2001 C2006 (ANP7419-B) CN2004 CN2003 AE AF AG VSX-45TX...

  • Page 104: Pcb Parts List

    5. PCB 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. When ordering resistors, first convert resistance values into code form as shown in the following examples.
  • Page 105 • CONTRAST OF PCB ASSEMBLIES V-AUDIO IN ASSY AWX7964 and AWX7991 are constructed the same except for the following : Mark Symbol and Description AWX7964 AWX7991 Q1201, Q1202 2SC2878 Not used R1221-R1224 RS1/16S102J Not used R1225, R1226 RS1/16S473J Not used CN1202 4P PIN JACK Not used AKB7015...
  • Page 106 Mark Symbol and Description AWX7962 AWX8002 C922 CCSRCH181J50 Not used R911-R913, R926, R959, R960, R961 RS1/16S102J Not used R914 RS1/16S101J Not used R915, R921, R955, R956, R958 Not used RS1/16S0R0J R916 RS1/16S104J Not used R917 RS1/16S153J Not used R918 RS1/16S103J Not used R919 RS1/16S101J...
  • Page 107 DISPLAY ASSY AWX7983 and AWX8011 are constructed the same except for the following : Mark Symbol and Description AWX7983 AWX8011 IC3001 TC7W53FU Not used Q3000 FMA1A Not used Q3001 DTC124EK Not used D3002-D3005 1SS355 Not used C3010 CKSRYB153K50 Not used R3031, R3034 RS1/16S103J Not used...
  • Page 108 Mark No. Description Part No. Mark No. Description Part No. C101,C102,C208,C220,C239 CKSRYB103K50 RESISTORS C242,C601 CKSRYB103K50 All Resistors RS1/16S###J C216,C217,C225 CKSRYB153K50 C201,C205,C209,C214,C230 CKSRYB223K50 OTHERS C236,C603 CKSRYB223K50 CN1205 6P PIN JACK AKB7009 CN1201,CN1203 4P PIN JACK AKB7015 C221 CKSRYB224K10 CN1204 17P SOCKET AKP7072 C202,C222 CKSRYB473K16...
  • Page 109 Mark No. Description Part No. Mark No. Description Part No. CN1407 5P PLUG AKP7055 C933,C936,C939,C942 CEAT1R0M50 CN1406,CN1408 9P PLUG AKP7057 CN1405 17P PLUG AKP7061 C920,C961,C964 CEAT470M25 CN1402 7P SOCKET AKP7067 C943 CKSRYB103K50 CN1404 9P SOCKET AKP7068 C931,C934,C937,C940,C944 CKSRYB104K16 C966-C968 CKSRYB104K16 CN1403 13P SOCKET AKP7070...
  • Page 110 Mark No. Description Part No. Mark No. Description Part No. C701,C702,C713,C714 CEAT100M50 Q1932 DTC124EK D1901,D1902,D1921 1SS355 C733,C734,C753,C754 CEAT100M50 C773,C774 CEAT100M50 COILS AND FILTERS C303,C304,C602 CEAT101M16 C211,C212 CEAT1R0M50 L1901 LAU1R0J C506,C513 CEAT221M10 CAPACITORS C505 CEAT2R2M50 C1901 CEAT101M16 C503 CEAT331M10 C1903-C1906 CEAT1R0M50 C717,C718,C721,C722 CEAT470M25 C1932,C1933...
  • Page 111 Mark No. Description Part No. Mark No. Description Part No. L1602,L1603 QTL1013 CAPACITORS CHIP SOLID INDUCTOR C4002 CKSRYB104K16 C4001 CKSRYB223K50 CAPACITORS C1601,C1606 CCSRCH471J50 RESISTORS C1603 CEAL470M16 All Resistors RS1/16S###J C1611 CKSRYB102K50 C1602,C1612,C1614 CKSRYB103K50 OTHERS 10P CABLE HOLDER 51048-1000 RESISTORS CN4001 24P FFC CONNECTOR 52044-2445 All Resistors RS1/16S###J...
  • Page 112 Mark No. Description Part No. Mark No. Description Part No. IC302,IC451 IS61LV6416-12T C925 CKSRYB102K50 IC303 IS63LV1024-12T C343,C429,C677,C678,C924 CKSRYB103K50 > IC901 NJM2391DL1-33 C101-C103,C205,C207,C208 CKSRYB104K16 IC601,IC621,IC641,IC661,IC681 NJM4565MD C211,C305,C307,C310,C311 CKSRYB104K16 > IC902 NJU7223DL1-18 C313,C315,C324,C331,C334 CKSRYB104K16 IC471 PD8100A C338,C348,C352,C409,C419 CKSRYB104K16 IC701 TC74VHC157FT C423,C427,C452,C501,C503 CKSRYB104K16 IC304 TC74VHCU04FT C521,C541,C561,C591,C630...
  • Page 113 Mark No. Description Part No. Mark No. Description Part No. C3003,C3004,C3007,C3024,C3025 CCSRCH101J50 HEADPHONE ASSY C3020,C3021,C3026,C3027 CEJQ100M16 C3028,C3029 CEJQ101M10 CAPACITORS C3008,C3012,C3035 CEJQ101M6R3 C1951,C1952 CKSRYB392K50 C3022,C3023 CEJQ330M25 RESISTORS C3000-C3002 CKSRYB102K50 All Resistors RS1/16S###J C3009,C3011,C3032-C3034 CKSRYB103K50 C3036,C3037 CKSRYB103K50 OTHERS C3006,C3031 CKSRYB104K16 CN1951 3P FFC CONNECTOR 52045-0345 C3010 CKSRYB153K50...
  • Page 114 Mark No. Description Part No. Mark No. Description Part No. > CN2411 7P PLUG AKP7056 IC4153,IC4253,IC4353 PBD002A CN2404,CN2406,CN2412,CN2414 AKP7057 Q4152,Q4252,Q4352 2SA1255 9P PLUG Q4403,Q4404 2SC2412K CN2405 15P PLUG AKP7060 Q4151,Q4251,Q4351 2SC3326 CN2407-CN2409 17P PLUG AKP7061 D4152,D4154-D4157,D4252 1SS355 CN2413 19P PLUG AKP7062 D4254-D4257,D4352,D4354-D4357 1SS355...
  • Page 115 Mark No. Description Part No. Mark No. Description Part No. RESISTORS OTHERS > R2205,R2206 RS1LMF332J CN4453,CN4455 10P SOCKET KP250NA10 Other Resistors RS1/16S###J OTHERS 6P CABLE HOLDER 51048-0600 SP/PS ASSY 6P CABLE HOLDER 51052-0600 SEMICONDUCTORS H2201-H2204 FUSE CLIP AKR1004 Q4602,Q4603 RN1903 J2201 JUMPER WIRE6P D20PYY0615E Q4601...
  • Page 116 Mark No. Description Part No. C2008 CEAT102M25 C2009 CEAT221M25 C2005-C2007,C2011,C2012 CKSRYB103K50 C2004 CQMA103J50 RESISTORS > R2001 (2.2MW, 1/2W) RCN1080 R2002 RD1/2VM101J Other Resistors RS1/16S###J OTHERS CN2002 11P FFC CONNECTOR 52045-1145 > 2004 1P AC OUTLET AKP1033 H2001,H2002 FUSE CLIP AKR7001 CN2003,CN2004 5P SOCKET KP200TA5L >...

  • Page 117: Adjustment

    6. ADJUSTMENT AM Tuner Section • There is no adjustment in the AM tuner. FM Tuner Section • Set the mode selector to FM BAND. • Connect the wiring as shown in Fig. 1. ANT. Input level and signal condition Adjustment Step Adjustment...

  • Page 118: General Information

    7. GENERAL INFORMATION 7.1 DIAGNOSIS 7.1.1 PROTECTION CIRCUIT CONTROL SPECIFICATION 2 Overload detection Microcomputer-related ports (abnormality detection) FAN_DRIVE (Expansion IC) : For Fan on/off TEMP_IN (pin 94) If the speaker terminals are short-circuited or low-load driving is Input port (A/D) : To detect temperature detected, the OL_DET port becomes "L"...
  • Page 119 4 Diagnostic mode This mode is only for servicing and checking the circuit design, and not open to users. When the STEREO/DIRECT key and TONE + key are both held pressed for 2 seconds in Standby mode, the power is turned on, and the number of times of each defect or Speaker relay off by abnormality detection is sequentially displayed on the FL display.

  • Page 120: Diagnostics Of Amplifier Section

    7.1.2 DIAGNOSTICS OF AMPLIFIER SECTION When DC detection worked (STBY IND. flashes for a long time) in the protection circuit of foregoing section (or there is not the speaker output, probably only 1CH), failure (damage) of the power amplifier section is considered. Because this receiver cannot diagnose the amplifier section by an electricity state by structure, please diagnose it in the following steps.

  • Page 121: Trouble Shooting

    7.1.3 TROUBLE SHOOTING • When a sound is not out in the surround mode with the digital signal input. • Suppose CR to be poor contact and that is not damaged. • This shows failure analysis of DSP Assy. Step 1 Step 3 IC201 CN101...
  • Page 122 Front Opt in (pin 42) Confirm the poor contact Check the DSP CONNECTION Assy of lead wire of or REGULATOR Assy and so on. CN102-pin 18. MCK (pin 23) Confirm Pin 31 the poor contact Check the DSP CONNECTION Assy Is outputting it ? Is input signal of lead wire of...
  • Page 123 Step 5 IC304 pin 8 Is 33MHz Replace IC304 or X301 outputting it ? pin 10 Is 33MHz Replace IC304 or X301 outputting it ? Step 6 IC301 Is not pin 4 there poor contact Replace IC301 or IC302 or IC303 Is outputtingit ? of lead wire of IC301 or IC302 or IC303...
  • Page 124 Step 8 IC503 pin 4 Replace IC503 Is outputtingit ? Step 9 IC501 Is not pin 5 there poor contact Check DSP CONNECTION Assy or REGULATOR Assy and so on. Is input signal H of lead wire of CN102- pin 13 ? pin 14 Is a signal Replace IC501...
  • Page 125 Step 10 Step 11 IC601 IC681 pin 1 pin 1 Is a signal Is a signal Replace IC601 Replace IC681 outputting it outputting it pin 7 pin 7 Is a signal Is a signal Replace IC601 Replace IC681 outputting it outputting it IC621 pin 7...

  • Page 126: Disassembly

    7.1.4 DISASSEMBLY Bonnet and Heat Sink Block Remove the bonnet case (screws × 23) Remove the heat sink block (screws × 10, connectors × 8) ×2 ×2 ×2 ×2 POWER AMP-C ASSY POWER AMP-L ASSY POWER AMP-R ASSY POWER IN ASSY VSX-45TX...
  • Page 127 DSP Block Front Panel Block Remove the DSP shield 45B (screws × 13) Remove six screws DSP Shield 45B ×3 Remove two screws Remove two screws Remove the front panel block Top View Remove the DSP ASSY (screws × 4, connectors × 4) ASSY CN301 CN101...
  • Page 128 Rear Panel Block Remove 14 screws Rear Panel ×2 ×2 ×5 Remove 13 screws Remove the locking card spacer Locking Card Spacer Under Base Cutting Pliers ×7 FAN CONNECTION ASSY REGULATOR ASSY FAN DRIVE ASSY TRANS 2-1 TRANS 2-2 ASSY ASSY VIDEO 7.1 CH I/O ASSY...

  • Page 129: Parts

    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 PDSPC56367PV150, PD5770A8, PD5771A, BU4094BCF, PCM2902EG DSPC56367PV150 (DSP ASSY: IC301) • DSP Microcomputer Pin Function Pin Name Function...
  • Page 130 Pin Name Function − VCCQH Quiet external power supply (3.3V) FST_1 Digital audio LR clock External memory chip select Column address SCKT_1 Digital audio Bit clock − GNDQ Quiet GND EXTAL External clock input − VCCQL Quiet core power supply (1.8V) −...
  • Page 131 Pin Name Function External memory address External memory address External memory address 100 D0 External memory data 101 D1 External memory data 102 D2 External memory data − 103 VCCD Data bus power supply (3.3V) − 104 GNDD Data bus GND 105 D3 External memory data 106 D4...
  • Page 132 DSPC56367PV150 (DSP ASSY: IC401) • DSP Microcomputer Pin Function Pin Name Function SCK1 Microcomputer communication clock Microcomputer communication chip select HREQ Microcomputer communication request SDO0 Digital audio data (Front L/R) SDO1 Digital audio data (Surround L/R) SDO2 Digital audio data (Center/Subwoofer) SDO3 Digital audio data (Front L/R) −...
  • Page 133 Pin Name Function − VCCQH Quiet external power supply (3.3V) FST_1 Digital audio LR clock External memory chip select Column address SCKT_1 Digital audio Bit clock − GNDQ Quiet GND EXTAL External clock input − VCCQL Quiet core power supply (1.8V) −...
  • Page 134 Pin Name Function External memory address External memory address External memory address 100 D0 External memory data 101 D1 External memory data 102 D2 External memory data − 103 VCCD Data bus power supply (3.3V) − 104 GNDD Data bus GND 105 D3 External memory data 106 D4...
  • Page 135 PD5770B8 (MAIN CONTROL ASSY: IC501) • Main Microcomputer Pin Assignment (Top view) 12VTRIGGER STEREO TMUTE 1394 RST RDS FM+ 1394 CS RDS DT 1394 DI T-DI 1394 DO RDS CLK 1394 CK T-DO BYTE OL DET CMVSS T-CE T-CLK TC9274DT XRESET XRESET TC9274CK...
  • Page 136 Pin Function Pin Name Pin Function Active 12VTRIGGER "H" at O – "L" fixed. 1394 RST Standby for 1394 (Not used) "L" fixed. 1394 CS Standby for 1394 (Not used) "L" fixed. 1394 DI Standby for 1394 (Not used) "L" fixed. 1394 DO Standby for 1394 (Not used) Standby with the circuit.
  • Page 137 Pin Name Pin Function Active DAC RST DAC/AD reset DSP MUTE DSP Assy mute M62429 DT Data signal for multi room volume IC control M62429 CLK Clock signal for multi room volume IC control EVR CS Chip select signal for erectronic volume EVR CLK Clock signal for erectronic volume EVR DT...
  • Page 138 PD5771A (DISPLAY ASSY: IC3000) • Display Microcomputer Pin Assignment (Top view) KEY5 P20/BUZ02/FLD00 P75/AN5 NECK MR SW P74/AN4 P21/FLD01 KEY1 P22/FLD02 P73/AN3 RY-A KEY2 P72/AN2 P23/FLD03 RY-HP KEY3 P24/FLD04 P71/AN1 KEY4 P25/FLD05 P70/AN0 RY-C/S 1W W.UP P61/CNTR0/CNTR2 P26/FLD06 RY-SB P27/FLD07 HP IN P60/CNTR1 SR IN...
  • Page 139 No. Pin Name I/O Pin Function No. Pin Name I/O Pin Function KEY5 KEY AD input 41 STANDBY Standby LED MR SW Multi room input Pioneer/others L: Pioneer 42 MCACC MCACC LED KEY1 43 1394 1394 LED KEY2 44 NC KEY AD input...
  • Page 140 BU4094BCF (MAIN CONTROL ASSY: IC502) • Expansion IC Pin Function Pin Name Pin Function Active DEM_STP Demodulator oscillation OFF/ON DEM_RST Demodulator reset L: RESET NJM2279_SW1 NJM2279 video control of sub room system NJM2279_SW2 NJM2596_SW2 NJM2596_SW3 NJM2596 video control of main system NJM2596_SW4 NJM2596_SW5 BU4094BCF (MAIN CONTROL ASSY: IC503)
  • Page 141 PCM2902EG (COAXIAL IN ASSY: IC1681) • USB Codec IC Pin Assignment (Top view) Pin Function Pin Name Pin Function USB differential input/output plus(1) D– USB differential input/output minus(1) VBUS Connect to USB power (VBUS) − DGNDU Digital ground for USB transceiver HID0 HID key state input (mute), active high(3) HID1...
  • Page 142 Flow of USB Input Data VSX-45TX USB block USB CODEC PCM2902EG TC7SET08F input DSP block terminal cable IC201 Dout D – SPDIF SPDIF Vbus USB AUDIO data AK4114VQ data data For DIR input protection Personal Computer 12MHz Music playback (A music file of MP3, etc.) About PCM2902EG •...

  • Page 143: Display

    7.2.2 DISPLAY AAV7087 (DISPLAY ASSY : V3000) • FL DISPLAY • Pin Assignment PRO LOGIC LOUDNESS MIDNIGHT TONE DNR STEREO MONO SIGNAL Neo :6 TUNED RF ATT AUTO DIGITAL DTS ES EX Hi-BIT/ MPEG AAC DIGITAL SAMPLING STEREO ANALOG MULTI-ROOM SB CH MOVIE AUTO...
  • Page 144 • Anode Connection 15Gd-15Ga 3Gb, 3Ga – – – – Neo:6 LOUDNESS MIDNIGHT TONE STEREO PROLOGIC 1-1A 1-1A 1-1A 1-1A 1-1A 1-1A 1-1A 1-1A 1-1A – – 1-1A 1-1A MONO 2-1A 2-1A 2-1A 2-1A 2-1A 2-1A 2-1A 2-1A 2-1A – –...

  • Page 145: Cleaning

    • Anode Timing Chart 15Gd-15Ga 3Gb, 3Ga – – – – – – – – – – – – – – – – – – – – – – 7.3 CLEANING Before shipping out the product, be sure to clean the following positions by using the prescribed cleaning tools: Position to be cleaned Cleaning tools Fans...
  • Page 146 7.4 REMOTE CONTROL UNIT 7.4.1 EXPLODED VIEWS AND PARTS LIST (VSX-45TX : AXD7325) Mark No. Description Part No. Mark No. Description Part No. Connector 423RRC-046-01G PCB Assy AZC7301 Plate 481RRC-018-01G Rubber Key AZA7425 Shield Plate 801RRC-020-01L Case A AZN7905 Case B AZN7892 Filter A 811RRC-109-01G...

  • Page 147: Panel Facilities

    8. PANEL FACILITIES 8.1 FRONT PANEL 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. 10 11 VSX-45TX AUDIO/VIDEO MULTI-CHANNEL RECEIVER STANDBY/ON STANDBY MULTI CHANNNEL ACOUSTIC CALIBRATION MOVIE...
  • Page 148 17 MULTI ROOM & SOURCE buttons Press to switch on/off and select the type of acoustic Press to use the multi room feature (requires an optional calibration EQ. PIONEER Multi-Room Remote Sensor Unit MR-100 or another IR receiver). 11 MASTER VOLUME dial CONTROL button Use to raise or lower the volume of the receiver.
  • Page 149 8.2 DISPLAY All the display information is explained and/or referenced here. PRO LOGIC LOUDNESS MIDNIGHT TONE DNR STEREO MONO SIGNAL Neo :6 TUNED RF ATT DIGITAL AUTO DTS ES EX Hi-BIT/ MPEG AAC DIGITAL SAMPLING STEREO ANALOG MULTI-ROOM SB CH MOVIE AUTO MUSIC...
  • Page 150 Use these terminals to output the video signal from the 3 CONTROL IN/OUT terminal COMPONENT VIDEO IN terminals to your TV. See #17 You can use this jack to hook up other PIONEER for more information. equipment, that has a CONTROL terminal, so that you...
  • Page 151 ASSIGNABLE MONITOR OUT AC OUTLET TRIGGER (DC OUT12V/ 100mA MAX) (DVD/LD) MULTI-ROOM SPEAKERS & SOURCE SURROUND BACK / ı Å REMOTE IN FRONT CENTER SURROUND ª ª · · RS-232C (TV/SAT) COMPONENT VIDEO 10 MULTI ROOM & SOURCE REMOTE IN terminals 15 Video components input/output terminals Use these terminals to hook up a sub-system in a Input/output signals from your video components (DVD,...
  • Page 152 Switches between the different channels so you can add volume individually to each channel with the + and – – DTV MENU CLASS STATION STATION buttons. Also selects EFFECT mode of Pioneer original ¢ sound modes and Dolby Pro Logic II music parameter – CHANNEL CHANNEL settings.
  • Page 153 = SYSTEM OFF button This button turns off components in two ways. First, when pressed it will turn off all PIONEER components. Secondly, any component that has programmed into the SYSTEM OFF settings will be turned off. For example: If you programmed power off in the...
  • Page 154 VSX-43TX : AXD7328 RECEIVER SOURCE MULTI SYSTEM OPERATION MULTI CONTROL DVD/LD TV / SAT VCR/DVR TV CONT VCR 2 TUNER RECEIVER ACOUSTIC MOVIE MUSIC INPUT SURROUND MULTI CH SB CH MODE INPUT MODE STEREO/ ENTER DIRECT MIDNIGHT MUTE MASTER VOLUME MENU TUNER EDIT TOP MENU...

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