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Pioneer VSX-52TX Service Manual

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3 7 63 1515 0
AUDIO/VIDEO MULTI-CHANNEL RECEIVER
VSX-52TX
VSX-1014TX-K
THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S).
Model
TE
L 13942296513
VSX-52TX
VSX-1014TX-K
www
For details, refer to "Important symbols for good services".
PIONEER CORPORATION
.
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 2004
http://www.xiaoyu163.com
Type
KUXJ/CA
AC120V
KUXJC
AC120V
x
ao
y
i
4-1, Meguro 1-chome, Meguro-ku, Tokyo 153-8654, Japan
http://www.xiaoyu163.com
8
LISTENING MODE
SELECT
STANDBY/ON
ENTER
MULTI JOG
VSX-52TX
Q Q
Power Requirement
3
6 7
1 3
u163
.
2 9
9 4
2 8
AUDIO/VIDEO MULTI-CHANNEL RECEIVER
VSX-52TX
DVD/LD
TV/SAT
DVR/VCR
VIDEO1
CD-R/
CD
TAPE/MD
TUNER
VIDEO2
MASTER VOLUME
Remarks
1 5
0 5
8
2 9
9 4
m
co
T-ZZR JUNE 2004 printed in Japan
9 9
ORDER NO.
RRV2977
2 8
9 9

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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...

  • Page 2: Safty Information

    PIONEER Also test with Service Manual. A subscription to, or additional copies plug reversed of, PIONEER Ser vice Manual may be obtained at a (Using AC adapter Earth nominal charge from PIONEER. plug as required)

  • Page 3: Table Of Contents

    3.14 POWER AMP IN and POWER PROTECT ASSYS ................50 3.15 POWER AMP-L and POSI 1 L ASSYS....................52 3.16 POWER AMP-R and POSI 1 R ASSYS ....................54 3.17 REGULATOR ASSY ..........................56 3.18 TRANS 2-1, TRANS 2-2, DIODE, VH TR and SP/PS ASSYS..............58 VSX-52TX http://www.xiaoyu163.com...
  • Page 4 7.1.5 TROUBLE SHOOTING OF THE DSP ASSY ................... 124 7.2 PARTS..............................133 L 13942296513 7.2.1 IC ..............................133 7.3 CLEANING............................. 142 8. PANEL FACILITIES ............................143 8.1 FRONT PANEL ............................143 8.2 DISPLAY ..............................145 8.3 REMOTE CONTROL UNIT ........................147 u163 VSX-52TX http://www.xiaoyu163.com...

  • Page 5: Specifications

    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 ± 1dB u163 VSX-52TX http://www.xiaoyu163.com...

  • Page 6: Exploded Views And Parts List

    SELECT "AA" IEC LR6 batteries Operating Instructions DVD/LD TV/SAT DVR/VCR TV CONT Operating Instructions MULTI CONTROL CD-R/TAPE TUNER RECEIVER (VSX-52TX : ARB7302) (VSX-1014TX-K : ARB7305) INPUT ATT FL DIMMER DISC ENTER D.ACCESS CLASS TOP MENU MENU TUNE DTV MENU ENTER T.EDIT...
  • Page 7 Operating Instructions (English) See Contrast table (2) Packing Case See Contrast table (2) NSP 8 Literature Bag AHG1180 (2) CONTRAST TABLE VSX-52TX/KUXJ/CA and VSX-1014TX-K/KUXJC are constructed the same except for the following: VSX-52TX VSX-1014TX-K Mark Symbol and Description /KUXJ/CA /KUXJC...

  • Page 8: Exterior Section

    2.2 EXTERIOR SECTION 3 7 63 1515 0 L 13942296513 Refer to "2.3 CHASSIS SECTION". u163 Refer to "2.6 FRONT PANEL SECTION". VSX-52TX http://www.xiaoyu163.com...
  • Page 9 Spacer (4.5 x 10 x 20) AEB7355 Spacer 45B (6 x 7 x 13) AEB7264 Nyron Rivet AEC7408 Label (DD/DTS/THX) ARW7281 NSP 9 Energy Star Label AAX8022 Screw BBZ40P080FZK Screw BBZ30P080FCC • • • • L 13942296513 u163 VSX-52TX http://www.xiaoyu163.com...

  • Page 10: Chassis Section

    2.3 CHASSIS SECTION 3 7 63 1515 0 L 13942296513 Refer to "2.5 HEATSINK SECTION". Refer to "2.4 REAR PANEL SECTION". u163 Screw Cover (Accessory of Panel Base V1B) VSX-52TX Only VSX-52TX http://www.xiaoyu163.com...
  • Page 11 ANG7479 Screw BBZ30P080FCC Deco Screw ABA7060 Cord Stopper CM-22C Under Beam V1 AND7478 (2) CONTRAST TABLE VSX-52TX/KUXJ/CA and VSX-1014TX-K/KUXJC are constructed the same except for the following: VSX-52TX VSX-1014TX-K Mark Symbol and Description /KUXJ/CA /KUXJC Stabilizer 45 ANG7408 Not used...

  • Page 12: Rear Panel Section

    2.4 REAR PANEL SECTION 3 7 63 1515 0 VSX-52TX Only VSX-52TX Only POWER AMP IN L 13942296513 from POWER PROTECT from TRANS SIDE TRANS 2-1 u163 VSX-52TX http://www.xiaoyu163.com...
  • Page 13 DSP Assy AWX8414 FM/AM TUNER Unit AXX7172 > Fuse (FU2501, 2502 : 3.15A) REK1114 (2) CONTRAST TABLE VSX-52TX/KUXJ/CA and VSX-1014TX-K/KUXJC are constructed the same except for the following: VSX-52TX VSX-1014TX-K Mark Symbol and Description /KUXJ/CA /KUXJC 12V TRIGGER Assy AWX8395...

  • Page 14: Heat Sink Section

    2.5 HEAT SINK SECTION 3 7 63 1515 0 from AUDIO CONNECT from SP/PS TRANS 2-1 L 13942296513 11 11 from MAIN CONTROL u163 VSX-52TX http://www.xiaoyu163.com...
  • Page 15 ADD7479 NSP 9 Heat Sink 45 ANH7152 H.S Angle V1 ANG7481 PCB Angle 45 ANG7406 Mica Sheet 45 AEE7047 NSP 13 Speed Clamp AEC7445 Nyron Rivet AEC7408 Screw BBZ30P100FCC Screw ABA7085 • • • • L 13942296513 u163 VSX-52TX http://www.xiaoyu163.com...

  • Page 16: Front Panel Section

    2.6 FRONT PANEL SECTION 3 7 63 1515 0 17 (2/2) (Magnet Holder) L 13942296513 from MAIN CONTROL 17 (1/2) Screw Cover (See section "2.3 CHASSIS SECTION".) No. 17 (2/2) u163 Magnet Holder VSX-52TX http://www.xiaoyu163.com...
  • Page 17 See Contrast table (2) NK90FCC Window See Contrast table (2) Cushion Circle 6B AED7083 Panel Base V1B AMB7870 (2) CONTRAST TABLE VSX-52TX/KUXJ/CA and VSX-1024TX-K/KUXJC are constructed the same except for the following: VSX-52TX VSX-1024TX-K Mark Symbol and Description /KUXJ/CA /KUXJC DISPLAY Assy AWX8377...

  • Page 18: Block Diagram And Schematic Diagram

    3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM 3.1 BLOCK DIAGRAM 3 7 63 1515 0 3.1.1 AUDIO SECTION OPTICAL-IN ASSY FRONT-IN CONNECT ASSY FRONT-IN ASSY REAR TOP ASSY L 13942296513 MULTI CH I/O ASSY AUDIO CONNECT ASSY u163 VSX-52TX http://www.xiaoyu163.com...
  • Page 19 3 7 63 1515 0 1/2 - DSP ASSY TRANS SIDE HEADPHONE ASSY ASSY REGULATOR ASSY PS/SP ASSY 1/3 - MAIN CONTROL ASSY L 13942296513 POWER AMP_L ASSY POWER AMP IN ASSY POWER AMP-R ASSY u163 VSX-52TX http://www.xiaoyu163.com...

  • Page 20: Video And Display Sections

    3.1.2 VIDEO and DISPLAY SECTIONS 3 7 63 1515 0 Video Block VSX-52TX IC721 NJM2279M JA721 JA721 MR OUT MR OUT ONLY MULTI ROOM Selector IC741 IC742 TC90A49F MM1093NF VSX-52TX CKIN ONLY MR OUT (1/2) DVD/LD Q743 SEPARATE GENERATE...
  • Page 21 MAIN U-COM TC74VHCT MRIN UNIT 125AFT 31 32 CN3001 SR+/232C SW 12 13 21 JA982 IR IN 13 15 CN101 JA983 IR OUT VSX-52TX ONLY L 13942296513 IC842 IC5022 (1/2) TK15420M TA1270BF BUFFER CN5051 OUTC Chroma IC842 (1/2) Decoder OUTY...

  • Page 22: Dsp Section

    3.1.3 DSP SECTION 3 7 63 1515 0 DSP Block 1/2 - DSP ASSY VSX-52TX AUDIO/VIDEO MULTI-CHANNEL RECEIVER LISTENING MODE SELECT DVD/LD TV/SAT DVR/VCR VIDEO1 STANDBY/ON CD-R/ ENTER TUNER VIDEO2 TAPE/MD MULTI JOG MASTER VOLUME L 13942296513 u163 VSX-52TX...
  • Page 23 3 7 63 1515 0 L 13942296513 u163 VSX-52TX http://www.xiaoyu163.com...

  • Page 24: Power Supply Section

    TRANS 1 IC2502 REG. NJM79M12FA ASSY IC2202 REG. Q2233 CN2205 2205 L 13942296513 TRANS 2-1 V-12A ASSY CN2201 VSX-52TX ONLY V-12A D2534, D2535 C2217, C2518 D2515 C2215 D2217 D2501 REG B D2504 G REG IC2504 REG B NJM79M05FA CN2202 2502 REG.
  • Page 25 R442 V+5.6U R441 V+5AD R181 V+2_5A CN107 V+7A V+12A V-12A V-7A CN3342 CN2515 CN115 FRONT-IN CONNECT ASSY L 13942296513 VSX-52TX V+5D V+5D OPTICAL-IN CN3341 12V TRIGGER ASSY CN3351 ASSY V+12TR CN2504 CN981 V+7A CN961 V+12TR V+5D V-7A FRONT-IN 10 11...

  • Page 26: Overall Wiring Diagram

    3.2 OVERALL WIRING DIAGRAM 3 7 63 1515 0 VOLUME ASSY DISPLAY ASSY MULTI JOG ASSY (AWX8378) (VSX-52TX : AWX8377) (AWX8379) (VSX-1014TX-K : AWX8389) FRONT-IN CONNECT ASSY (AWX8416) POWER PROTECT ASSY (AWX8406) FRONT-IN ASSY (AWX8381) L 13942296513 AUDIO CONNECT...
  • Page 27 POWER AMP-L ASSY (AWX8409) TRANS 2-1 ASSY (AWX8372) L 13942296513 PRIMARY ASSY (AWX8384) POWER AMP IN ASSY (AWX8405) COMPONENT ASSY (AWX8358) SP/PS ASSY (AWX8373) VIDEO SIDE 12V TRIGGER ASSY ASSY (AWX8366) (AWX8395) VSX-52TX POWER CABLE ONLY VDG1075 u163 (ADG7024) VSX-52TX http://www.xiaoyu163.com...

  • Page 28: Multi Ch I/O And Audio Connect Assys

    3.3 MULTI CH I/O and AUDIO CONNECT ASSYS 3 7 63 1515 0 VSX-52TX ONLY MULTI ROOM & SOURCE SUB W. CENTER FRONT SURROUND L 13942296513 SURROUND BACK FRONT SURROUND SUB W. u163 CENTER VSX-52TX http://www.xiaoyu163.com...
  • Page 29 3 7 63 1515 0 MULTI CH I/O ASSY (VSX-52TX : AWX8410) (VSX-1014TX-K : AWX8352) AUDIO CONNECT ASSY (AWX8382) CN4003 L 13942296513 (FL) u163 (LS) : AUDIO SIGNAL ROUTE (SURROUND Lch) (MR) (SBL) : AUDIO SIGNAL ROUTE (MULTI-ROOM Lch)

  • Page 30: Composite V Assy

    3.4 COMPOSITE V ASSY 3 7 63 1515 0 DVR/VCR VIDEO1 DVD/LD TV/SAT L 13942296513 u163 CN2501 VSX-52TX http://www.xiaoyu163.com...
  • Page 31 DVR/VCR (DVD) MONITOR 1000/10 2.0k L 13942296513 COMPOSITE V ASSY (VSX-52TX : AWX8353) (VSX-1014TX-K : AWX8362) : VIDEO SIGNAL ROUTE (DVD) u163 : VIDEO SIGNAL ROUTE (DVD) : VIDEO SIGNAL ROUTE ( Y ) : VIDEO SIGNAL ROUTE ( C )

  • Page 32: S Video Assy

    3.5 S VIDEO ASSY 3 7 63 1515 0 S VIDEO ASSY (AWX8361) DVR/VCR VIDEO1 DVD/LD TV/SAT L 13942296513 : VIDEO SIGNAL ROUTE CN2502 : VIDEO SIGNAL ROUTE ( Y ) u163 : VIDEO SIGNAL ROUTE ( C ) VSX-52TX http://www.xiaoyu163.com...
  • Page 33 3 7 63 1515 0 DVR/VCR S-VIDEO 1000/10 2.0k MONITOR 2.0k L 13942296513 9.1k u163 VIDEO SIDE ASSY (AWX8366) VSX-52TX http://www.xiaoyu163.com...

  • Page 34: Component Assy

    3.6 COMPONENT ASSY 3 7 63 1515 0 COMPONENT (AWX8358) : VIDEO SIGNAL ROUTE (Cb) : VIDEO SIGNAL ROUTE (Cb) : VIDEO SIGNAL ROUTE ( Y ) (Cr) : VIDEO SIGNAL ROUTE ( Cr ) L 13942296513 u163 VSX-52TX http://www.xiaoyu163.com...
  • Page 35 3 7 63 1515 0 1000/10 L 13942296513 u163 CN893 CN2503 VSX-52TX http://www.xiaoyu163.com...

  • Page 36: Optical-In,H.p,Front-In,Front-In Connect And 12Vtrig Assys

    3.7 OPTICAL-IN,H.P,FRONT-IN,FRONT-IN CONNECT and 12VTRIG ASSYS 3 7 63 1515 0 HEADPHONE ASSY (AWX8380) OPTICAL-IN ASSY (AWX8394) (TV/SAT) PHONES 2302 (CD-R/ TAPE/MD) CN601 FRONT-IN ASSY (AWX8381) MCACC SETUP MIC L 13942296513 DIGITAL S-VIDEO VIDEO u163 G H I VSX-52TX http://www.xiaoyu163.com...
  • Page 37 (DC OUT 12V/ 100mA MAX) MULTI-ROOM & SOURCE L 13942296513 Pattern Layout CN2504 VSX-52TX ONLY CN107 FRONT-IN CONNECT ASSY (AWX8416) u163 : VIDEO SIGNAL ROUTE : VIDEO SIGNAL ROUTE ( V ) : VIDEO SIGNAL ROUTE ( Y ) : VIDEO SIGNAL ROUTE ( C ) VSX-52TX http://www.xiaoyu163.com...

  • Page 38: Main Control Assy (1/3)

    3.8 MAIN CONTROL ASSY (1/3) 3 7 63 1515 0 MAIN CONTROL ASSY (VSX-52TX : AWX8343) (VSX-1014TX-K : AWX8348) CD IN CD-R PLAY VIDEO1 PLAY L 13942296513 TV/SAT DVD/LD u163 CN2511 VSX-52TX http://www.xiaoyu163.com...
  • Page 39 : AUDIO SIGNAL ROUTE (SURROUND Lch) (TX) : AUDIO SIGNAL ROUTE (TUNER Lch) (SBL) (MR) : AUDIO SIGNAL ROUTE (SURROUND BACK Lch) : AUDIO SIGNAL ROUTE (MULTI-ROOM Lch) : AUDIO SIGNAL ROUTE (CENTER ch) (DVD) : AUDIO SIGNAL ROUTE (DVD Lch) VSX-52TX http://www.xiaoyu163.com...

  • Page 40: Main Control Assy (2/3)

    3.9 MAIN CONTROL ASSY (2/3) 3 7 63 1515 0 MAIN CONTROL ASSY (VSX-52TX : AWX8343) (VSX-1014TX-K : AWX8348) L 13942296513 u163 VSX-52TX http://www.xiaoyu163.com...
  • Page 41 : AUDIO SIGNAL ROUTE (FRONT Lch) (LS) Direct Others : AUDIO SIGNAL ROUTE (SURROUND Lch) ON -7V 3.6V OFF -12V -12V (SBL) : AUDIO SIGNAL ROUTE (SURROUND BACK Lch) : AUDIO SIGNAL ROUTE (CENTER ch) Direct Others CN902 L 13942296513 CN901 u163 VSX-52TX http://www.xiaoyu163.com...

  • Page 42: Main Control Assy (3/3)

    3.10 MAIN CONTROL ASSY (3/3) 3 7 63 1515 0 (TX) MAIN CONTROL ASSY : AUDIO SIGNAL ROUTE (TUNER Lch) (VSX-52TX : AWX8343) CN2525 (VSX-1014TX-K : AWX8348) (TX) L 13942296513 VSX-52TX ONLY VSX-52TX ONLY u163 CN2514 CN2512 VSX-52TX http://www.xiaoyu163.com...
  • Page 43 3 7 63 1515 0 CN3001 PD5956A8 (VSX-52TX) PD5956A (VSX-1014TX) L 13942296513 VSX-52TX ONLY u163 CN4053 CN2515 CN3322 VSX-52TX http://www.xiaoyu163.com...

  • Page 44: Dsp Assy (1/2)

    3.11 DSP ASSY (1/2) 3 7 63 1515 0 (DVD/LD) DIGITAL (CD) CN961 L 13942296513 u163 VSX-52TX http://www.xiaoyu163.com...
  • Page 45 : AUDIO SIGNAL ROUTE (DIGITAL) : SURROUND SIGNAL ROUTE (SBL) (FL) : AUDIO SIGNAL ROUTE (SURROUND BACK Lch) : AUDIO SIGNAL ROUTE (FRONT Lch) (SW) : AUDIO SIGNAL ROUTE (SUB WOOFER ch) : AUDIO SIGNAL ROUTE (CENTER ch) VSX-52TX http://www.xiaoyu163.com...

  • Page 46: Dsp Assy (2/2)

    3.12 DSP ASSY (2/2) 3 7 63 1515 0 DSP ASSY (AWX8414) L 13942296513 CN2522 u163 VSX-52TX http://www.xiaoyu163.com...
  • Page 47 3 7 63 1515 0 L 13942296513 u163 VSX-52TX http://www.xiaoyu163.com...

  • Page 48: Volume, Display And Multi Jog Assys

    3.13 VOLUME, DISPLAY and MULTI JOG ASSYS 3 7 63 1515 0 VOLUME ASSY (AWX8378) DISPLAY ASSY (VSX-52TX : AWX8377) (VSX-1014TX-K : AWX8389) VSX-52TX ONLY L 13942296513 VOLUME ASSY S3202 : CD S3203 : CDR/ TAPE/MD S3204 : TUNER...
  • Page 49 S3010 : BAND S3011 : TUNING/ STATION S3012 : TUNER EDIT S3013 : SYSTEM SETUP S3014 : RETURN S3015 : MULTI ROOM VSX-52TX Only CONTROL S3015 : INPUT ATT VSX-1014TX Only S3016 : MULTI ROOM VSX-52TX Only ON/OFF u163 S3016 : FL DIMMER VSX-1014TX Only...

  • Page 50: Power Amp In And Power Protect Assys

    3.14 POWER AMP IN and POWER PROTECT ASSYS 3 7 63 1515 0 POWER AMP IN ASSY (AWX8405) L 13942296513 CN106 u163 POWER PROTECT ASSY (AWX8406) VSX-52TX http://www.xiaoyu163.com...
  • Page 51 3 7 63 1515 0 : AUDIO SIGNAL ROUTE (CENTER ch) CN4551 CN4452 CN2102 CN4402 L 13942296513 CN4501 CN4552 CN4502 u163 VSX-52TX http://www.xiaoyu163.com...

  • Page 52: Power Amp-L And Posi 1 L Assys

    3 7 63 1515 0 POWER AMP-L ASSY (AWX8409) L 13942296513 : AUDIO SIGNAL ROUTE (FRONT Lch) (LS) : AUDIO SIGNAL ROUTE (SURROUND Lch) (SBL) u163 : AUDIO SIGNAL ROUTE (SURROUND BACK Lch) POSI 1 L ASSY (AWX8427) VSX-52TX http://www.xiaoyu163.com...
  • Page 53 3 7 63 1515 0 CN2103 CN2101 L 13942296513 CN2103 u163 VSX-52TX http://www.xiaoyu163.com...

  • Page 54: Power Amp-R And Posi 1 R Assys

    3 7 63 1515 0 POWER AMP-R ASSY (AWX8404) L 13942296513 : AUDIO SIGNAL ROUTE (FRONT Rch) (RS) : AUDIO SIGNAL ROUTE (SURROUND Rch) (SBR) u163 : AUDIO SIGNAL ROUTE (SURROUND BACK Rch) POSI 1 R ASSY (AWX8426) VSX-52TX http://www.xiaoyu163.com...
  • Page 55 3 7 63 1515 0 CN2104 CN2102 L 13942296513 2001 CN2104 CN4451 u163 VSX-52TX http://www.xiaoyu163.com...

  • Page 56: Regulator Assy

    3.17 REGULATOR ASSY 3 7 63 1515 0 REGULATOR ASSY (VSX-52TX : AWX8364) (VSX-1014TX-K : AWX8367) L 13942296513 u163 CN981 CN5001 VSX-52TX ONLY CN901 VSX-52TX http://www.xiaoyu163.com...
  • Page 57 : AUDIO SIGNAL ROUTE (SURROUND BACK Lch) : AUDIO SIGNAL ROUTE (CENTER ch) CN951 L 13942296513 (FL) CN701 u163 • NOTE FOR FUSE REPLACEMENT CAUTION - FOR CONTINUED PROTECTION AGAINST RISK OF FIRE. REPLACE WITH SAME TYPE AND RATINGS OF FUSE. VSX-52TX http://www.xiaoyu163.com...

  • Page 58: Trans 2-1, Trans 2-2, Diode, Vh Tr And Sp/Ps Assys

    L 13942296513 POWER TRANSFORMER 2502 VH TR ASSY (AWX8411) TRANS 2-2 ASSY u163 (AWX8371) • NOTE FOR FUSE REPLACEMENT FOR CONTINUED PROTECTION AGAINST RISK OF FIRE. CAUTION - REPLACE WITH SAME TYPE AND RATINGS OF FUSE. X Y Z VSX-52TX http://www.xiaoyu163.com...
  • Page 59 L 13942296513 u163 (FL) : AUDIO SIGNAL ROUTE (FRONT Lch) : AUDIO SIGNAL ROUTE (CENTER ch) (LS) : AUDIO SIGNAL ROUTE (SURROUND Lch) (HPL) : AUDIO SIGNAL ROUTE (PHONES Lch) (SBL) : AUDIO SIGNAL ROUTE (SURROUND BACK Lch) VSX-52TX http://www.xiaoyu163.com...

  • Page 60: Rear Top, Trans Side, Trans 1 And Primary Assys

    3.19 REAR TOP, TRANS SIDE, TRANS 1 and PRIMARY ASSYS 3 7 63 1515 0 REAR TOP ASSY (AWX8397) (TX) : AUDIO SIGNAL ROUTE (TUNER Lch) SR IN SR OUT (TX) L 13942296513 u163 TRANS 1 ASSY (AWX8383) AC AE VSX-52TX http://www.xiaoyu163.com...
  • Page 61 CN2505 2005 CN3301 2250 • NOTE FOR FUSE REPLACEMENT FOR CONTINUED PROTECTION AGAINST RISK OF FIRE. CAUTION - REPLACE WITH SAME TYPE AND RATINGS OF FUSE. PRIMARY ASSY (AWX8384) L 13942296513 CN1003 KP200TA5L AC IN u163 AD AF VSX-52TX http://www.xiaoyu163.com...

  • Page 62: Pcb Connection Diagram

    Symbol In Schematic Part Name Diagrams Diagrams C E B Capacitor Connector Transistor B C E SIDE A Transistor with resistor B C E Field effect SIDE B P.C.Board Chip Part transistor Resistor array 3-terminal regulator L 13942296513 u163 VSX-52TX http://www.xiaoyu163.com...

  • Page 63: Multi Ch I/O Assy

    R659 R660 C679 C663 C664 C655 C656 R677 CN601 CN602 L 13942296513 CN602 CN601 (ANP7491-A) CN904 CN903 SIDE B SIDE B MULTI CH I/O ASSY CN602 CN601 D691 u163 (ANP7491-A) Q631 Q651 Q662 Q661 Q632 Q652 Q641 Q642 VSX-52TX http://www.xiaoyu163.com...

  • Page 64: Audio Connect Assy

    NECK6 W905 AMUTE V-12A COUT CMKM-P3X GNDA CN903 SBROUT CN4003 GNDA ROUT GNDA RSOUT GNDA LSOUT CN601 GNDA LOUT GNDA SBLOUT GNDA (ANP7492-A) L 13942296513 AUDIO CONNECT ASSY SIDE B SIDE B CN903 CN904 u163 (ANP7492-A) CN902 CN901 VSX-52TX http://www.xiaoyu163.com...

  • Page 65: Composite V Assy

    MRSW2 R735 VIDEO1 VIDEO2 CN751 VIDEO3 R736 4052A 4052B C752 C742 CN751 L 13942296513 CN891 (ANP7491-A) COMPOSITE V ASSY SIDE B SIDE B CN751 C769 C710 C739 u163 (ANP7491-A) IC731 IC742 IC732 Q743 Q741 IC701 IC741 Q745 Q742 VSX-52TX http://www.xiaoyu163.com...

  • Page 66: S Video Assy

    R882 R842 IC851 C872 Q881 Q881 IC871 C864 Q852 C857 CN851 C863 R873 (ANP7491-A) C858 R875 R857 C879 R877 R856 L 13942296513 CN892 S VIDEO ASSY SIDE B SIDE B CN851 L852 L851 u163 (ANP7491-A) Q851 Q872 Q871 VSX-52TX http://www.xiaoyu163.com...

  • Page 67: Video Side And Optical-In Assys

    1.OPT OUT CN961 (ANP7492-A) CN601 L 13942296513 SIDE B SIDE B OPTICAL-IN ASSY CN961 VIDEO SIDE ASSY CN893 CN892 CN891 VIDEO SIDE ASSY 12CDT I2CDT AWX8366 12CCK I2CCK OUTY I2CDT I2CCK OUTC OUTY CMKM-G3X OUTC (ANP7491-A) (ANP7492-A) u163 VSX-52TX http://www.xiaoyu163.com...

  • Page 68: Component Assy

    IC5052 C5056 C5029 C5028 C5114 CN5051 CN5051 C5122 (ANP7491-A) IC5021 C5025 C5113 C5027 CMKM-G3X COMPONENT ASSY CN893 L 13942296513 IC5101 IC5022 IC5021 IC5051 IC5001 IC5052 SIDE B SIDE B COMPONENT ASSY CN5051 u163 (ANP7491-A) Q5102 Q5101 Q5104 Q5103 VSX-52TX http://www.xiaoyu163.com...

  • Page 69: Front In And Front-In Connect Assys

    (ANP7492-A) L 13942296513 FRONT IN ASSY SIDE B SIDE B CN3351 (ANP7492-A) Q3351 FRONT-IN CN3342 FV-C FV-Y FRONT-IN CONNECT CONNECT ASSY ASS'Y AWX8416 FV-L GNDA FV-R MIC DET GNDA MIC OUT GNDD FRONT OPT V+5D u163 (ANP7492-A) CN3341 VSX-52TX http://www.xiaoyu163.com...

  • Page 70: Main Control Assy

    C145 R457 C141 R170 Q176 Q170 C142 R169 R463 R353 R354 R464 R465 R373 R466 R374 C181 Q364 Q343 Q344 Q363 C147 C148 CN111 C372 C371 C352 C351 CN114 C433 C434 C435 C436 CN102 CN111 CN901 CN2511 u163 VSX-52TX http://www.xiaoyu163.com...
  • Page 71 AWX8350 DISP DO DISP DI C444 DISP CLK R441 C443 DISP RST UART SW TEMP2 FLAC 2 AWX8351 FLAC 1 R442 CN113 CN112 CN115 CN114 CN108 CN112 CN113 CN115 CN107 CN2514 CN982 CN2512 CN2525 CN2515 CN3342 (ANP7491-A) u163 VSX-52TX http://www.xiaoyu163.com...
  • Page 72 R233 GNDU V+5.6ST AWX8349 V+5.6U 1W WP AWX8350 SROUT AWX8351 SRIN DISP EN DISP RDY DISP DO DISP DI DISP CLK C472 C471 DISP RST UART SW TEMP2 FLAC 2 FLAC 1 Q172 CN114 CN113 CN115 CN112 u163 VSX-52TX http://www.xiaoyu163.com...
  • Page 73 GNDA R111 L 13942296513 Q386 D192 GNDA R382 GNDA C127 D383 RSIN C193 D381 R233 R381 GNDA R114 LSIN GNDA SWIN GNDA R113 L114 D384 D382 CMKM-G3X GNDA D193 L113 C472 C471 R110 R116 CN111 CN114 (ANP7491-A) u163 VSX-52TX http://www.xiaoyu163.com...

  • Page 74: Display Assy

    TUNER TUNING W3065 EDIT BAND STATION DIALOG SIGNAL MULTI CH S3012 S3011 S3010 ENHANCEMENT S3009 SELECT W3063 S3008 S3007 S3006 CMKM-P3X SYSTEM SETUP RETURN CONTROL ON/OFF S3016 S3013 S3015 S3014 L 13942296513 SIDE B IC3001 DISPLAY ASSY u163 VSX-52TX http://www.xiaoyu163.com...
  • Page 75 ACOUSTIC SB CH VENC A ENHANCEMENT LOUDNESS MODE TONE SPEAKERS KEY 2 S3005 S3006 S3003 S3004 S3002 S3001 (ANP7492-A) L 13942296513 IC3002 SIDE B IC3003 IC3001 Q3005 Q3001 Q3002 Q3003 Q3004 R3065 C3014 C3026 R3061 R3067 u163 (ANP7492-A) VSX-52TX http://www.xiaoyu163.com...

  • Page 76: Headphone, Volume And Multi Jog Assys

    S3204 S3207 S3203 3201 3201 (ANP7492-A) 3001 MULTI JOG ASSY MECHA SW ASSY L 13942296513 S3252 S3253 3251 (ANP7492-A) (ANP7420-C) 3002 HEADPHONE ASSY HEADPHONE ASS'Y AWX8380 2302 HPSW CMKM-P3X 3301 u163 (ANP7492-A) H N P H N P VSX-52TX http://www.xiaoyu163.com...
  • Page 77 SIDE B VOLUME ASSY R3206 R3204 R3209 R3208 3201 (ANP7492-A) MULTI JOG ASSY MECHA SW 3251 ASSY L 13942296513 C3251 R3254 C3252 R3255 (ANP7420-C) (ANP7492-A) HEADPHONE ASSY HEADPHONE ASS'Y HPSW AWX8380 u163 (ANP7492-A) H N P H N P VSX-52TX http://www.xiaoyu163.com...

  • Page 78: Power Amp In Assy

    R4474 R4473 R4465 R4466 R4461 R4475 R4460 CN4002 C4462 C4463 R4462 R4455 R4458 CN4451 R4453 R4459 C4456 R4005 R4451 R4454 R4004 C4452 R4452 R4002 C4466 R4003 R4001 C4457 C4469 R4456 Q4451 R4457 R4463 u163 CN4003 (ANP7494-A) Q4452 Q4451 VSX-52TX http://www.xiaoyu163.com...

  • Page 79: Trigger Assy

    4.12 12V TRIGGER ASSY 3 7 63 1515 0 SIDE A SIDE A • For VSX-52TX Only 12V TRIGGER ASSY Q981 C991 1.V+12TR 2.GNDTR 3.12DET 4.12 TRG IC982 L 13942296513 CN982 (ANP7494-A) CN108 SIDE B SIDE B 12V TRIGGER ASSY...

  • Page 80: Dsp Assy

    SIDE A SIDE A • This diagram has four layers. In the two middle layers, mainy Vcc and GND are connected. DSP ASSY IC601 Q551 L 13942296513 IC551 IC701 R707 R705 IC851 IC801 IC802 IC951 u163 Q951 (ANP7503-A) VSX-52TX http://www.xiaoyu163.com...
  • Page 81 R577 L902 C610 R902 R578 R912 C614 C615 R901 C616 L901 C617 C509 R510 R508 R503 C504 R502 IC501 C907 IC501 R904 R509 D901 R512 C507 IC901 R506 R513 C505 C511 C512 R911 u163 C906 R910 C905 (ANP7503-A) VSX-52TX http://www.xiaoyu163.com...

  • Page 82: Power Protect, Power Amp-L And Posi 1 L Assys

    CN2103 POWER PROTECT ASSY 1.NC POWER PROTECT ASSY 2.GAMP 3.GAMP 4.POSI_1 5.GNDU 6.POSI_2 7.POSI_2 11.NC 8.DC 9.OL 10.NC 10.WT 9.GNDU 11.NC 8.POSI_1 7.POSI_2 6.DC 5.OL W4110 4.WT 3.NC CN106 2.NC CMKM-P3X 1.NC u163 POWER PROTECT ASSY (ANP7494-A) CN4051 VSX-52TX http://www.xiaoyu163.com...
  • Page 83 3 7 63 1515 0 SIDE A 13.LS 12.AGLS 11.L P_L ASSY 10.AGL 9.SBL 8.AGSBL 7.DC 6.OL 5.AMUTE 4.-VH 3.-VH 2.+VH 1.+VH CN4001 CN4401 W4352 L 13942296513 (ANP7494-A) IC4303 IC4301 IC4302 IC4453 CN2002 CN2101 CMKM-P3X ROTECT ASSY u163 R S T VSX-52TX http://www.xiaoyu163.com...
  • Page 84 4.V-FAN 5.GNDU 5.LOCKDE 6.POSI_2 6.TEMP1 UP SIDE 7.POSI_2 7.TEMP2 8.DC 8.OLDET 9.OL 9.DCDET 11.NC 10.WT 10.V-12A 10.NC 11.NC AWX8406 9.GNDU 8.POSI_1 AWX8407 7.POSI_2 6.DC 5.OL AWX8408 4.WT 3.NC 2.NC 1.NC POWER PROTECT ASSY CN4051 u163 R S T VSX-52TX http://www.xiaoyu163.com...
  • Page 85 Q4401 1.NC 1.V+FAN 2.GAMP 11.V+12A 2.V+FAN 3.GAMP 12.V+5.6U 3.V-FAN 4.POSI_1 13.GNDU 4.V-FAN 5.GNDU 14.GNDU 5.LOCKDET 6.POSI_2 15.WATT 6.TEMP1 7.POSI_2 7.TEMP2 8.DC 8.OLDET 9.OL 9.DCDET 10.WT 10.V-12A 11.NC Q4054 Q4051 Q4053 Q4052 IC4051 CN4053 (ANP7494-A) u163 R S T VSX-52TX http://www.xiaoyu163.com...

  • Page 86: Power Amp-R And Posi 1 R Assys

    C4351 C4251 IC4351 CN4451 6.AGC 5.CG1 C4360 4.CG2 3.CS 2.CS 1.CS C4361 C4358 C4359 W4230 W4228 R4369 W4232 W4231 J4151 L 13942296513 J4154 CMKM-P3X CMKM-P3X CN2102 2001 IC4452 IC4353 IC4352 POWER PROTECT ASSY u163 CN4054 U V R VSX-52TX http://www.xiaoyu163.com...
  • Page 87 C4153 C4255 C4264 C4151 C4251 C4405 IC4251 IC4151 C4260 C4160 C4259 C4159 W4245 W4234 W4236 R4269 R4169 W4232 W4231 J4152 J4153 L 13942296513 J4155 CMKM-P3X CMKM-P3X (ANP7494-A) CN2104 IC4253 IC4252 IC4153 IC4152 u163 (ANP7494-A) CN4052 U V R VSX-52TX http://www.xiaoyu163.com...
  • Page 88 R4284 R4282 R4283 R4182 R4183 R4281 R4184 R4181 Q4403 Q4151 Q4252 Q4251 Q4404 Q4152 POWER PROTECT ASSY Q4052 Q4051 u163 0 1 2 3 4 5 6 7 8 9 0 1 2 3 CN4052 U V R VSX-52TX http://www.xiaoyu163.com...
  • Page 89 13.VH+ 6.AGC 5.CG1 4.CG2 3.CS 2.CS 1.CS L 13942296513 R4284 R4282 R4381 R4383 R4481 R4384 R4485 R4382 (ANP7494-A) Q4251 Q4352 Q4351 IC4051 Q4053 Q4052 Q4051 Q4054 u163 3 4 5 6 7 8 9 (ANP7494-A) U V R VSX-52TX http://www.xiaoyu163.com...

  • Page 90: Regulator Assy

    IC2515 CN701 CN2501 CN2502 W2601 CN801 W2600 CN2502 W2604 W2603 W2594 W2602 V+9V CN2503 W2592 CN5001 CN2503 W2593 W2678 W2596 V+12TR V+12TR W2595 GNDTR GNDTR W2598 CN2504 CN981 CN2504 W2590 W2591 CN2505 2304 CN2505 u163 CN2202 2502 2502 VSX-52TX http://www.xiaoyu163.com...
  • Page 91 W2649 FU2502 FU2501 V+9V J2501 W2633 W2634 D2531 IC2510 RISK FIRE - REPLACE FUSES AS MARKED. V-5.6V V+5D V+5.6V V+5IE L 13942296513 CN2512 CN2525 CN2515 (ANP7493-A) CN112 CN113 CN115 IC2409 IC2410 Q2402 IC2515 IC2402 IC2401 IC2403 Q2401 u163 VSX-52TX http://www.xiaoyu163.com...
  • Page 92 3 7 63 1515 0 SIDE B REGULATOR ASSY REGULATOR ASSY AWX8363 AWX8367 AWX8374 AWX8364 AWX8368 AWX8400 AWX8365 AWX8369 0 1 2 3 4 5 6 7 8 9 0 1 2 3 C2531 L 13942296513 CN2514 CN2512 CN2525 (ANP7493-A) u163 VSX-52TX http://www.xiaoyu163.com...
  • Page 93 3 7 63 1515 0 SIDE B CN2409 CN2511 CN2524 CN2521 AWX8374 AWX8400 IC2511 C2507 L 13942296513 N2525 CN2515 CN2501 CN2502 CN2503 CN2504 CN2505 u163 2502 VSX-52TX http://www.xiaoyu163.com...

  • Page 94: Sp / Ps Assy

    C2002 CN2004 R2009 CN2102 W2017 WHITE RY2001 W2042 R2016 CN2102 CN2101 W2019 R2015 R2003 CN2304 CN2101 L2003 RY2005 L 13942296513 2001 R2005 CN2002 R2004 R2011 RY2003 R2014 R2007 CN2006 CN2003 CMKM-P3X u163 CN2006 CN2104 CN2003 (ANP7493-A) CN1003 CN1002 VSX-52TX http://www.xiaoyu163.com...
  • Page 95 SIDE B SP/PS ASSY CN2004 R2019 C2026 D2002 CN2102 D2001 C2025 CN2101 Q2005 R2023 D2010 D2009 R2020 D2004 D2003 L 13942296513 R2021 D2006 D2005 R2022 D2008 C2029 D2007 C2028 u163 CN2003 CN2104 CN2006 (ANP7493-A) Q2006 Q2004 Q2002 Q2003 VSX-52TX http://www.xiaoyu163.com...

  • Page 96: Trans 2-1, Diode And Vh Tr Assys

    SIDE A TRANS 2-1 ASSY POWER TRANSFORMER 2502 TRANS 1 ASSY IC2201 4001 TRANS 2-2 ASSY W2205 L 13942296513 (ANP7493-C) IC2202 2205 Q2233 Q2233 Q2234 Q2234 AWX8411 VH TR ASSY (ANP7494-C) VH TR ASSY (ANP7493-C) u163 DIODE ASSY VSX-52TX http://www.xiaoyu163.com...
  • Page 97 SIDE B SIDE B TRANS 2-1 ASSY NECK6 NECK8 V-12A L 13942296513 CMKM-P3X Q2204 Q2205 Q2203 R2212 2205 Q2231 Q2231 R2231 C2231 R2233 D2231 C2211 R2232 R2234 C2212 Q2232 Q2232 C2232 (ANP7494-C) VH TR ASSY (ANP7493-C) u163 DIODE ASSY VSX-52TX http://www.xiaoyu163.com...

  • Page 98: Trans Side Assy

    4.19 TRANS SIDE ASSY 3 7 63 1515 0 SIDE A TRANS SIDE ASSY To Fan CN2301 CN2301 REG D REG D REG V REG VG REG V HPSW L 13942296513 SIDE B TRANS SIDE ASSY CN2301 u163 VSX-52TX http://www.xiaoyu163.com...
  • Page 99 3 7 63 1515 0 SIDE A HPSW CN2303 PRODUCTION CODE CN2302 CMKM-P3X (ANP7493-A) CN2302 2250 L 13942296513 SIDE B CN2302 (ANP7493-A) u163 VSX-52TX http://www.xiaoyu163.com...

  • Page 100: Trans 2-2, Trans 1 And Primary Assys

    H1006 H1004 LACE FUSE W1010 MARKED. SECONDARY RY1001 J23A R1002 CMKM-P3X W1009 J21A KN1001 PRIMARY ASS'Y J22A W1003 T1001 PRODUCTION CODE PRINTED SIDE C1009 CN1003 u163 W1002 CN1002 W1001 (ANP7492-A) CN1002 CN2003 CN1003 CN2006 AE AF AE AF VSX-52TX http://www.xiaoyu163.com...

  • Page 101: Trans 1 Assy

    D1002 C1012 D1001 AWX8384 Q952 AWX8385 EN CAS DE AWX8386 REPLACEMENT DES C1007 FUSIBLE IC1002 AWX8387 C1006 N'UTILISER QUE LA (ANP7492-A) REFERENCE 491.500 DE CHEZ LITTELEFUSE INC. PRIMARY ASS'Y ATTENTION u163 CN1003 CN1002 Q3351 AE AF AE AF VSX-52TX http://www.xiaoyu163.com...

  • Page 102: Rear Top Assy

    MRSW2 CN802 GNDT MRSW1 V+12T CMKM-P3X OSD RT OSD CS OSD DT OSD CK SY DET I2C CK I2C DT FM/AM TUNER W912 UNIT CN1 CN954 (ANP7492-A) L 13942296513 SIDE B SIDE B REAR TOP ASSY (ANP7492-A) u163 VSX-52TX http://www.xiaoyu163.com...

  • Page 103: Pcb Parts List

    Ex.2 When there are 3 effective digits (such as in high precision metal film resistors). 5.62k Ω 562 x 10 5621 RN1/4PC 5 6 2 1 • LIST OF WHOLE PCB ASSEMBLIES VSX-52TX VSX-1014TX Mark Symbol and Description /KUXJ/CA /KUXJC 1..FM/AM TUNER UNIT...
  • Page 104 Not used Q3004 FMA1A Not used D3005, D3007- D3009 1SS355 Not used C3009 CKSRYB153K50 Not used u163 R3008 RS1/16S223J Not used R3009, R3010 RS1/16S103J Not used R3011 RS1/16S392J Not used R3019 RS1/16S0R0J Not used R3065 Not used RS1/16S473J VSX-52TX http://www.xiaoyu163.com...
  • Page 105 Not used C2549 CEAT102M25 Not used CN2504 4P PLUG KM200TA4 Not used 2506 PCB BINDER UEF1040 Not used • PARTS LIST FOR VSX-52TX Mark No. Description Part No. Mark No. Description Part No. OTHERS COMPLEX ASSY 601, 602 6P PIN JACK...
  • Page 106 C801-C804, C809, C810, C878 CKSRYB104K25 MAIN CONTROL ASSY u163 SEMICONDUCTORS C829, C830 CKSRYB221K50 IC381 BD3812F C821-C824, C833, C834 CKSRYB473K25 IC451 BD3813KS C841, C842, C845, C846 CKSRYB473K25 IC101 BD3841FS C853, C854, C860, C861 CKSRYB473K25 IC501 PD5957A8 C873, C874 CKSRYB473K25 IC382 TC74HC4052AF VSX-52TX http://www.xiaoyu163.com...
  • Page 107 C349, C350, C361, C362, C369 CEAT470M25 CAPACITORS u163 C401, C402, C409, C410 CEAT470M25 C2202, C2203 ACE7037 C443, C444 CEAT471M10 C2215 CEANP470M50 C323, C324, C343, C344 CEAT4R7M50 C2209, C2210 CEAT101M63 C363, C364, C387, C388 CEAT4R7M50 C2213, C2214 CEAT221M63 C403, C404 CEAT4R7M50 C2216 CEAT470M50 VSX-52TX http://www.xiaoyu163.com...

  • Page 108: Volume Assy

    SWITCHES AND RELAYS DIODE ASSY S3251 ASX7031 SEMICONDUCTORS S3252-S3254 VSG1024 > D2241, D2242 D5SBA20(B) CAPACITORS C3251, C3252 CKSRYB103K50 u163 DISPLAY ASSY RESISTORS SEMICONDUCTORS Other Resistors RS1/16S###J IC3001 PE5403A IC3002 RPM7140-H9 OTHERS IC3003 TC7W53FU 3251 4P CABLE HOLDER 51063-0405 Q3001 2SA1576A VSX-52TX http://www.xiaoyu163.com...

  • Page 109: Headphone Assy

    C953, C958 CKSRYB104K25 Q1001 DTC143EUA u163 D1002, D1004, D1005 1SS355 RESISTORS > D1001 S1WB(A)60SD Other Resistors RS1/16S###J D1003 UDZS5R1(B) OTHERS CN955 12P FFC CONNECTOR 52044-1245 COILS AND FILTERS CN953 17P FFC CONNECTOR 52044-1745 > L1001 LINE FILTER XTF3004 VSX-52TX http://www.xiaoyu163.com...
  • Page 110 CN4553 2P CONNECTOR B02B-XASK-1 C991 CEAT101M16 CN4452 6P PLUG KM250NA6L C993-C996 CEAT1R0M50 KN4403, KN4404 VNF1084 C989 CEATR10M50 WRAPPING TERMINAL J4152- J4154 JUMPER WIRE 58 ADB7021 C981, C982, C984-C986, C992 CKSRYB103K50 J4151, J4155 JUMPER WIRE 70 ADB7022 C997 CKSRYB103K50 VSX-52TX http://www.xiaoyu163.com...
  • Page 111 IC4103, IC4203, IC4303, IC4453 PBD002A > IC902 LM1117DT-ADJ Q4102, Q4202, Q4302 2SA1255 > IC901 NJM2391DL1-33 Q4101, Q4201, Q4301 2SC3326 IC851 PDL018A8 D4102, D4104-D4108, D4202 1SS355 IC501 TC74HCU04AF D4204-D4208, D4302, D4304-D4308 1SS355 IC551 TC74VHC157FT D4101, D4103, D4201, D4203, D4301 UDZS10(B) VSX-52TX http://www.xiaoyu163.com...
  • Page 112 CKSRYB105K6R3 C621 CKSRYB474K10 RESISTORS R802 RAB4C101J R962, R970 RAB4C104J R628 RS1/16S1802F Other Resistors RS1/16S###J OTHERS u163 JA501 2P PIN JACK AKB7131 CN901 15P SOCKET AKP7071 CN701 19P SOCKET AKP7073 CN951 23P SOCKET AKP7075 CN601 10P FFC CONNECTOR VKN1414 VSX-52TX http://www.xiaoyu163.com...

  • Page 113: Adjustment

    6. ADJUSTMENT 3 7 63 1515 0 There is no information to be shown in this chapter. L 13942296513 u163 VSX-52TX http://www.xiaoyu163.com...

  • Page 114: General Information

    Only a fan that is assigned 12V TRIG is Turns 12V_TRG port to "L", u163 Detects when the 12V_DET port valid. then turns off the the 12V Flashing "12V TRI ERR" 12V trigger becomes "H". output. Release the FL indication with the power short detection on/off. VSX-52TX http://www.xiaoyu163.com...
  • Page 115 3 7 63 1515 0 • Overload Detection circuit • DC Detection circuit C512 R534 D506 D507 C4051 R4052 L 13942296513 u163 VSX-52TX http://www.xiaoyu163.com...

  • Page 116: How To Diagnose The Amplifier Section

    /POWER AMP-L Assy 3. IC4101 (PA9010A: Power amplifier with output current bias Voltage step HIC) /POWER AMP-L Assy 4. Q2231 (2SA1514K) /VH TR Assy Q2232 (2SC3906K) /VH TR Assy Q2233 (2SA1837D1) /VH TR Assy Q2234 (2SC4793D1) /VH TR Assy u163 VSX-52TX http://www.xiaoyu163.com...

  • Page 117: How To Diagnose The Unit With The Power Amplifier Section Removed

    4 Disconnect the parallel wires from the connector CN2201. (If the wires are not easily disconnected, disconnect them with the connector attached, using a vacuum desoldering tool.) 5 Remove the eight screws that secure the Amplifier section. u163 TRANS 2-1 Assy VSX-52TX http://www.xiaoyu163.com...
  • Page 118 POWER AMP R Assy: C4403, C4404 While you still have CN2002 of the SP/PS Assy jumped with a discharging resistor, reconnect the connector to CN2001 of the SP/PS Assy. (Photo 2) u163 TRANS 2-1 Assy: C2213, C2214 Jump between each capacitor and ground. (Photos 3 and 4) VSX-52TX http://www.xiaoyu163.com...
  • Page 119 • When reconnecting the parallel wires to the connectors or reinserting the connectors, be careful of the direction. If a wire is connected to the wrong side of the connector, or if the five wires are not connected correctly, the u163 resistors may be damaged. VSX-52TX http://www.xiaoyu163.com...

  • Page 120: Disassembly

    Disconnect the two flexible cables. Remove the heatsink section. ×7 ×2 ×2 Front side ×2 ×2 L 13942296513 POWER AMP-L Assy POSI 1 L Assy POWER AMP IN Assy POWER AMP-R Assy POSI 1 R Assy POWER PROTECT Assy u163 VSX-52TX http://www.xiaoyu163.com...
  • Page 121 Disconnect the two flexible cables. Unhook the two hooks. Remove the front panel section. Disconnect the one connector. Top view 3 3 3 HEADPHONE Assy L 13942296513 HEADPHONE FRONT-IN FRONT-IN CONNECT Assy Assy Assy MULTI JOG VOLUME Assy Assy DISPLAY Assy u163 VSX-52TX http://www.xiaoyu163.com...
  • Page 122 Remove the locking card spacer. Disconnect the two connectors and the one flexible cable. DSP Shield A V1 L 13942296513 Top view Remove the rear panel section with the main section. ×5 Locking card spacer Cutting pliers u163 VSX-52TX http://www.xiaoyu163.com...
  • Page 123 OPTICAL-IN Assy Unit REAR TOP Assy AUDIO CONNECT Assy MAIN CONTROL Assy DSP Assy 12V TRIGGER Assy (VSX-52TX only) COMPONENT Assy S VIDEO Assy COMPOSITE V Assy MULTI I/O Assy REGULATOR Assy L 13942296513 TRANS 1 Assy TRANS 2-2 Assy...

  • Page 124: Trouble Shooting Of The Dsp Assy

    Turn the power off and it convert inserted Insert it tight Replace IC952 3V into 5V for tight ? 15 pin input? Pin 7 Does it convert 3V into 5V for Replace IC952 13 pin input? u163 VSX-52TX http://www.xiaoyu163.com...
  • Page 125 Is pin 1 Check the OPTICAL-IN Assy inputting it? and related path. IN2 (CD-R/TAPE/MD) (pin 5) Is pin 5 Check the OPTICAL-IN Assy inputting it? and related path. IN3 (DVD/LD) (pin 44) Is pin 44 Replace IC501 inputting it? u163 VSX-52TX http://www.xiaoyu163.com...
  • Page 126 LRCK (pin 24) Front L/R data (pin 7) Is LR Is pin 7 clock outputting Replace IC601 Replace IC801 outputting it? SDTO (pin 25) Is data Replace IC601 outputting BCK (pin 26) Is bit clock outputting Replace IC601 u163 VSX-52TX http://www.xiaoyu163.com...
  • Page 127 Surround R out (pin 26) Is pin 26 Replace IC701 outputting it? Front L out (pin 27) Is pin 27 Replace IC701 outputting it? Front R out (pin 28) Is pin 28 Replace IC701 outputting it? u163 VSX-52TX http://www.xiaoyu163.com...
  • Page 128 2.5V fixing? Surround R out (pin 26) Is the output Replace IC701 2.5V fixing? Front L out (pin 27) Is the output Replace IC701 2.5V fixing? Front R out (pin 28) Is the output Replace IC701 2.5V fixing? u163 VSX-52TX http://www.xiaoyu163.com...
  • Page 129 Turn the power off and it convert inserted Insert it tight 3V into 5V for Replace IC952 tight ? 15 pin input? Pin 7 Does it convert Replace IC952 3V into 5V for 13 pin input? u163 VSX-52TX http://www.xiaoyu163.com...
  • Page 130 3V into 5V for Step 6: X'tal 4 pin input? L 13942296513 IC802 Pin 18 pin 2 20MHz Replace IC802 or X801 Does outputting it convert it ? Replace IC952 3V into 5V for 2 pin input? u163 VSX-52TX http://www.xiaoyu163.com...
  • Page 131 Is pin 6 Replace IC801 about 3.3V outputting it? outputting it Replace IC801 during above operation? Front L/R data (pin 7) Is pin 7 about 0V Replace IC801 outputting it? outputting it Replace IC801 after above L 13942296513 operation? u163 VSX-52TX http://www.xiaoyu163.com...
  • Page 132 Surround R out (pin 26) Is pin 26 Replace IC701 outputting it? Front L out (pin 27) Is pin 27 Replace IC701 outputting it? Front R out (pin 28) Is pin 28 Replace IC701 outputting it? u163 VSX-52TX http://www.xiaoyu163.com...

  • Page 133: Parts

    Communication request with the microcomputer − VDDPA PLL power supply (3.3V) − GNDPA PLL GND − VDDPP PLL power supply (3.3V) − GNDPP PLL GND − GNDPD PLL GND u163 − VDDPD PLL power supply (1.25V) EXTAL External clock input VSX-52TX http://www.xiaoyu163.com...
  • Page 134 Digital audio master clock − GNDIO Interface GND − VDDIO Interface power supply (3.3V) SCKR Digital audio Bit clock SCKT Digital audio Bit clock Digital audio Bit clock Digital audio Bit clock SDIO Digital audio data (Surround L/R) u163 VSX-52TX http://www.xiaoyu163.com...
  • Page 135 Reference voltage input − AVDD Analog power supply − AVSS Analog ground DZF1 Zero input detection 1 MCLK Master clock input Parallel/serial input Chip select CCLK Control data clock CDTI Control data input TDMO TDM I/F format mode u163 VSX-52TX http://www.xiaoyu163.com...
  • Page 136 PD5957A (MAIN CONTROL ASSY: IC501) (For VSX-52TX) 3 7 63 1515 0 • Main Microcomputer Pin Assignment (Top view) NECK B BIAMP NECK8 BI AMP DISP RST MICSEL DISP RST MI CSEL DISP EN DISP EN MR MUTE MR MU...
  • Page 137 DSP Assy mute ADMD DIR DO Communication data in signal with the DIR/DAC DIR CS Communication chip select signal with the DIR/DAC LSSN DIR RST DIR reset signal DIR ERR Lock/Unlock signal from DIR XTLO Selection X'tal to DIR u163 VSX-52TX http://www.xiaoyu163.com...
  • Page 138 Fan forced stop detection TEMP1 Temperature detection Level detection with A/D SIMUKE1 Destination read 1 SIMUKE2 Destination read 2 − AVSS Connect to VSS – − VREF Connect to VCC − AVCC Connect to VCC 100 NECK Destination read 2 u163 VSX-52TX http://www.xiaoyu163.com...
  • Page 139 MJOG B VENCB VENC B VENCA VENC A DRST DISPRST IC(onetime write) L 13942296513 12TRG 12V TRG INPUT ATT DRDY DISP RDY DCLK DISP CK DISP DO DISP D1 AVSS UART UART SW TEST TEST KEY4 KEY 4 u163 VSX-52TX http://www.xiaoyu163.com...
  • Page 140 3 7 63 1515 0 Pin Name Pin Function Active − VDD(5V)power supply 1WUP Wakeup − MR SW Multi room input Pioneer / others L: Pioneer − MJOG A MULTI JOG input A MJOG B MULTI JOG input B − VENCB 5V Volt(-) −...
  • Page 141 FL p_ 9g Drive FL p_ 8g Drive FL p_ 7g Drive FL p_ 6g Drive FL p_ 5g Drive FL p_ 4g Drive FL p_ 3g Drive FL p_ 2g Drive 100 G1 FL p_ 1g Drive u163 VSX-52TX http://www.xiaoyu163.com...

  • Page 142: Cleaning

    7.3 CLEANING 3 7 63 1515 0 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 Cleaning paper : GED-008 L 13942296513 u163 VSX-52TX http://www.xiaoyu163.com...

  • Page 143: Panel Facilities

    3 7 63 1515 0 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. Front panel VSX-52TX AUDIO/VIDEO MULTI-CHANNEL RECEIVER MODE DVD/LD TV/SAT...
  • Page 144 CH IN terminals (for example, a DVD-Audio player). 17 SIGNAL SELECT Use to select an input signal. 18 EXTENDED MODE Selects the surround back channel mode or virtual surround back mode. 19 SPEAKERS Use to change the speaker system. u163 VSX-52TX http://www.xiaoyu163.com...

  • Page 145: Display

    • RS – Right surround channel 11 OVER • LFE – Low frequency effects channel Lights to indicate that the level of an analog source is too high. Use the attenuator (INPUT ATT) to reduce it. u163 VSX-52TX http://www.xiaoyu163.com...
  • Page 146 16 SR Lights when the SR+ control mode has been switched on (see Using the SR+ mode with a Pioneer plasma display). L 13942296513 17 SLEEP Lights when the receiver is in sleep mode.

  • Page 147: Remote Control Unit

    Use the number buttons to directly select a radio frequency or the tracks on a CD, DVD, etc. DISC (ENTER) can be used to enter commands for TV or DTV, and can also be used to select a disc in a multi-CD u163 player. VSX-52TX http://www.xiaoyu163.com...
  • Page 148 You can then use the + and – CH RETURN buttons to make these adjustments. Returns to the last channel selected with DTV, SAT and some TVs. SUBTITLE Displays/changes the subtitles included in multilingual DVD-Video discs. u163 VSX-52TX http://www.xiaoyu163.com...
  • Page 149 Switches the remote to control the receiver (used to select the green commands above the number buttons (INPUT ATT, etc). Also use this button to set up surround sound. 14 VOL +/– Use to set the listening volume. u163 VSX-52TX http://www.xiaoyu163.com...

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