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Pioneer VSX-D712-K Service Manual

Audio/video multi-channel receiver
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3 7 63 1515 0
AUDIO/VIDEO MULTI-CHANNEL RECEIVER
VSX-D712-K
VSX-D712-S
THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S).
TE
L 13942296513
Model
VSX-D712-K
MYXJIEW
VSX-D712-S
MYXJIEW
VSX-D712-S
MYXJIFG
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 2003
http://www.xiaoyu163.com
Type
Power Requirement
AC220-230V
AC220-230V
AC220-230V
x
ao
u163
y
i
4-1, Meguro 1-chome, Meguro-ku, Tokyo 153-8654, Japan
http://www.xiaoyu163.com
2 9
8
DVD/LD
TV/SAT
VCR/DVR
VIDEO
CD-R/
CD
TAPE/MD
TUNER
AUX
STANDBY
STANDBY / ON
PULL OPEN
PHONES
VSX-D712-K
Q Q
3
6 7
1 3
1 5
co
.
9 4
2 8
MULTI JOG
ENTER
MASTER VOLUME
DOWN
UP
ORDER NO.
RRV2744
0 5
8
2 9
9 4
2 8
Remarks
m
T-ZZK APR. 2003 printed in Japan
9 9
9 9

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Summary of Contents for Pioneer VSX-D712-K

  • 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-ZZK APR.

  • Page 2: Safety 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 3 By following the instructions in this manual, be sure to apply the prescribed grease or glue to proper portions by the appropriate amount.For replacement parts or tools, the prescribed ones should be used. L 13942296513 u163 VSX-D712-K http://www.xiaoyu163.com...

  • Page 4: Table Of Contents

    7.3.1 POWER ON AND OFF INITIAL TIMING CHART.................. 82 7.3.2 IC DATA TRANSMISSION TIMING CHART ..................84 7.3.3 DETECTION CIRCUIT.......................... 85 7.3.4 AMPLIFIER SYSTEM PROTECTION OPERATION SPECIFICATION ..........86 7.4 CLEANING............................... 86 8. PANEL FACILITIES ............................87 u163 VSX-D712-K http://www.xiaoyu163.com...

  • Page 5: Specifications

    CD, VCR/DVR, CD-R/TAPE/MD, DVD/LD, TV/SAT..96 dB • Video Section Input (Sensitivity/Impedance) VCR/DVR, DVD/LD, TV/SAT......1 Vp-p/75 Ω Output (Level/Impedance) VCR/DVR, MONITOR OUT........1 Vp-p/75 Ω Frequency Response VCR/DVR, DVD/LD, TV/SAT ⇒ MONITOR......5 Hz to 7 MHz –3 Signal-to-Noise Ratio............55 dB u163 VSX-D712-K http://www.xiaoyu163.com...
  • Page 6 SLEE P RETURN BAND RF ATT DISPL AY CLASS D.ACCESS DISC ENTER TV CONTROL CHANNEL CHANNEL VOLUME u163 RECEIVER AM loop antenna FM wire antenna AA size IEC R6 Remote control unit (ATB7009) (ADH7030) Dry cell batteries (x2) (XXD3052) VSX-D712-K http://www.xiaoyu163.com...

  • Page 7: Exploded Views And Parts List

    Literature Bag AHG1180 (French/German) Packing Sheet AHG7069 Left Pad R6 XHA3134 (2) CONTRAST TABLE u163 VSX-D712-K/MYXJIEW, VSX-D712-S/MYXJIEW and MYXJIFG are constructed the same except for the following: VSX-D712-K/ VSX-D712-S/ VSX-D712-S/ Mark Symbol and Description MYXJIEW MYXJIEW MYXJIFG Operating Instructions (English/Italian)

  • Page 8: Exterior Section

    2.2 EXTERIOR SECTION 3 7 63 1515 0 EXCEPT VSX-D712-K 27 58 34 35 L 13942296513 42(2/2) NON-CONTACT SIDE CONTACT SIDE Refer to "2.3 FRONT PANEL SECTION". u163 42(1/2) VSX-D712-K http://www.xiaoyu163.com...
  • Page 9 J43 19P F.F.C/30V XDD3126 Screw BBT30P100FCC J31 17P F.F.C/30V XDD3118 J35 19P F.F.C/30V XDD3101 (2) CONTRAST TABLE VSX-D712-K/MYXJIEW, VSX-D712-S/MYXJIEW and MYXJIFG are constructed the same except for the following: VSX-D712-K/ VSX-D712-S/ VSX-D712-S/ Mark Symbol and Description MYXJIEW MYXJIEW MYXJIFG 45 Bonnet D912K...

  • Page 10: Front Panel Section

    2.3 FRONT PANEL SECTION 3 7 63 1515 0 Lubricating Oil GYA1001 L 13942296513 u163 VSX-D712-K http://www.xiaoyu163.com...
  • Page 11 PPZ30P100FMC Panel Stay See Contrast table(2) Earth Plate R5 HP XNG3066 Door Spring R6 XBK3002 (2) CONTRAST TABLE VSX-D712-K/MYXJIEW, VSX-D712-S/MYXJIEW and MYXJIFG are constructed the same except for the following: VSX-D712-K/ VSX-D712-S/ VSX-D712-S/ Mark Symbol and Description MYXJIEW MYXJIEW MYXJIFG...

  • Page 12: Block Diagram And Schematic Diagram

    IC104 (for DECODE) IC8201 AK4114VQ IC104 IC8601 IS61LV6416 -12T(S-RAM) IC8602 IS63LV1024 -12T(S-RAM) IC106 IC8603 PD8116A (ROM) CN1901 CN8017 CN8007 CN109 L 13942296513 IC303 CN307 CN105 IC302 IC302 IC352 NJM2595M (Y SEL) CN901 NJM2595M IC351 (C SEL) CN354 u163 VSX-D712-K http://www.xiaoyu163.com...
  • Page 13 POWER AMP Q702 IC601, IC602 +BVL D51-D54 (COMPONENT SEL) D702 RY51 NJM2595M -BVL CN901 CN301 FL AC AC IN u163 CN401 FL AC T+12V IC805 +12V POWER IC801 D801–D804 TRANSFORMER CN101 -12V IC802 D721–D724 D+5V IC803 CN101 A+5V IC804 VSX-D712-K http://www.xiaoyu163.com...

  • Page 14: Overall Wiring Connection Diagram

    L 13942296513 ASSY S. VIDEO MAIN BOARD TO (AWX1083) ASSY ASSY BOARD (XWZ3660) (XWK3092) ASSY (XWZ3665) 1/2, 1/3, VIDEO 2/3, ASSY (XWZ3645) REGULATOR ASSY u163 DIGITAL IN (XWZ3675) ASSY (XWZ3657) FM/AM TUNER MODULE 6CH IN ASSY (AXQ7232) (XWZ3649) VSX-D712-K http://www.xiaoyu163.com...
  • Page 15 3 7 63 1515 0 POWER SW ASSY (XWZ3651) H.P. ASSY (XWZ3654) TRANS4 TRANS3 ASSY ASSY (XWZ3662) (XWZ3686) TRANS1 L 13942296513 TRANS2 ASSY ASSY (XWZ3680) (XWZ3683) 1/2, AMP& PRIMARY ASSY (XWZ3667) u163 VDG1077 VSX-D712-K http://www.xiaoyu163.com...

  • Page 16: Main Assy (1/3)

    3.3 MAIN ASSY (1/3) 3 7 63 1515 0 L 13942296513 u163 CN804 VSX-D712-K http://www.xiaoyu163.com...
  • Page 17 3 7 63 1515 0 L 13942296513 u163 MAIN ASSY (XWK3092) : The power supply is shown with the marked box. VSX-D712-K http://www.xiaoyu163.com...

  • Page 18: Main Assy (2/3)

    3.4 MAIN ASSY (2/3) 3 7 63 1515 0 MAIN ASSY (XWK3092) L 13942296513 u163 VSX-D712-K http://www.xiaoyu163.com...
  • Page 19 3 7 63 1515 0 L 13942296513 u163 VSX-D712-K http://www.xiaoyu163.com...

  • Page 20: Main Assy (3/3)

    3.5 MAIN ASSY (3/3) 3 7 63 1515 0 L 13942296513 VSX-D712/MY : The power supply is shown with the marked box. u163 CN802 VSX-D712-K http://www.xiaoyu163.com...
  • Page 21 3 7 63 1515 0 CN401 MAIN ASSY (XWK3092) L 13942296513 u163 CN8012 VSX-D712-K http://www.xiaoyu163.com...

  • Page 22: Dsp Assy (1/2)

    3.6 DSP ASSY (1/2) 3 7 63 1515 0 L 13942296513 NO USE NO USE NO USE u163 NO USE NO USE VSX-D712-K http://www.xiaoyu163.com...
  • Page 23 3 7 63 1515 0 AWX1083 : NO USE L 13942296513 u163 DSP ASSY (AWX1083) CN805 : The power supply is shown with the marked box. VSX-D712-K http://www.xiaoyu163.com...

  • Page 24: Dsp Assy (2/2)

    3.7 DSP ASSY (2/2) 3 7 63 1515 0 L 13942296513 NO USE u163 CN112 VSX-D712-K http://www.xiaoyu163.com...
  • Page 25 3 7 63 1515 0 DSP ASSY (AWX1083) L 13942296513 AWX1083 : NO USE u163 VSX-D712-K http://www.xiaoyu163.com...

  • Page 26: Amp & Primary (1/2), Trans2 And Trans3 Assys

    3.8 AMP & PRIMARY (1/2), TRANS2 and TRANS3 ASSYS 3 7 63 1515 0 AMP&PRIMARY ASSY (XWZ3667) L 13942296513 u163 MYXJI MYXJI MYXJI VSX-D712-K http://www.xiaoyu163.com...
  • Page 27 NO. 491010 FOR IC604, IC605, IC606, u163 AND IC607 MFD, BY LITTELFUSE INC. : AUDIO SIGNAL ROUTE • NOTE FOR FUSE REPLACEMENT FOR CONTINUED PROTECTION AGAINST RISK OF FIRE. CAUTION - REPLACE WITH SAME TYPE AND RATINGS ONLY. VSX-D712-K http://www.xiaoyu163.com...

  • Page 28: Amp & Primary (2/2), Reg., Amp Input And Trans1 Assys

    3.9 AMP & PRIMARY (2/2), REG., AMP INPUT and TRANS1 ASSYS 3 7 63 1515 0 L 13942296513 REGULATOR ASSY (XWZ3675) u163 CN302 VSX-D712-K http://www.xiaoyu163.com...
  • Page 29 LITTELFUSE INC. TRANS1 ASSY (XWZ3680) REK1026 (T2.5A) LIVE NEUTRAL AC POWER CORD VDG1077 AMP&PRIMARY ASSY u163 (XWZ3667) • NOTE FOR FUSE REPLACEMENT FOR CONTINUED PROTECTION AGAINST RISK OF FIRE. CAUTION - REPLACE WITH SAME TYPE AND RATINGS ONLY. VSX-D712-K http://www.xiaoyu163.com...

  • Page 30: Video, 6Ch In, Board To Board And S. Video Assys

    3.10 VIDEO, 6CH IN, BOARD TO BOARD and S. VIDEO ASSYS 3 7 63 1515 0 VIDEO ASSY (XWZ3645) L 13942296513 CN105 6CH IN ASSY CN104 (XWZ3649) VSX-D712 u163 VSX-D712-K http://www.xiaoyu163.com...
  • Page 31 3 7 63 1515 0 BOARD TO BOARD ASSY (XWZ3665) CN901 S. VIDEO ASSY (XWZ3660) L 13942296513 MYXJI u163 VSX-D712-K http://www.xiaoyu163.com...

  • Page 32: Front, R. Encoder And Power Sw Assys

    3.11 FRONT, R. ENCODER and POWER SW ASSYS 3 7 63 1515 0 R.ENCODER ASSY S511 : ENTER S512 : MULTI JOG DIAL R.ENCODER ASSY S513 : MASTER VOLUME (XWZ3652) FRONT ASSY (XWZ3648) CN101 L 13942296513 u163 VSX-D712-K http://www.xiaoyu163.com...
  • Page 33 S460 : TUNING + S461 : TUNING - MYXJI S462 : STATION + S463 : STATION - S464 : TUNER EDIT S465 : CLASS S466 : EON MODE S467 : PTY SEARCH S468 : MPX S469 : BAND u163 VSX-D712-K http://www.xiaoyu163.com...

  • Page 34: Trans4, F.video, H.p. And Digital In Assys

    AGAINST RISK OF FIRE. REPLACE ONLY WITH SAME TYPE NO. 491.630 FOR IC891 AND IC892 MFD, BY LITTELFUSE INC. CN251 H.P. ASSY (XWZ3654) L 13942296513 TRANS4 POWER ASSY TRANSFORMER (XWZ3662) DIGITAL IN ASSY (XWZ3657) u163 P Q R S VSX-D712-K http://www.xiaoyu163.com...
  • Page 35 3 7 63 1515 0 L 13942296513 u163 VSX-D712-K http://www.xiaoyu163.com...

  • Page 36: Fm/Am Tuner Module

    3.13 FM/AM TUNER MODULE 3 7 63 1515 0 FM/AM TUNER MODULE (AXQ7232) FM FRONT END (FM) (FM) (FM) L 13942296513 (FM) (AM) (AM) (AM) MW RF TUNING BLOCK (FM) (AM) u163 VSX-D712-K http://www.xiaoyu163.com...
  • Page 37 : The power supply is shown with the marked box. (TX) : AUDIO SIGNAL ROUTE (TUNER) (AM) : AM SIGNAL ROUTE (FM) : FM SIGNAL ROUTE CN103 (AM) (TX) (FM) (TX) (TX) (TX) L 13942296513 (FM) (FM) (TX) (AM) u163 VSX-D712-K http://www.xiaoyu163.com...

  • Page 38: Pcb Connection Diagram

    D +5V D +5V C808 CN302 C804 CN803 W657 W625 REG -B REG -B IC802 W743 W631 -12V -12V W621 C806 W632 u163 W622 REG +B REG +B CN801 C803 IC801 W603 +12V +12V W602 CN53 CMKS-P3X KNIFE SPACE VSX-D712-K http://www.xiaoyu163.com...

  • Page 39: Trans2, Trans3, Trans1 And Trans4 Assys

    SIDE B POWER TRANSFORMER CMKS-P3X TRANS1 XWZ3680 TRANS2 ASSY REMPLACER LE IC LINKS COMME INDIQUE. DE CHEZ LITTELFUSE INC. (XNP3065-B) TRANS2 ATTENTION XWZ3682 SIDE A XWZ3683 BROWN BLUE PRIMARY (XNP3065-B) TRANS1 ASSY SIDE A u163 D E H P VSX-D712-K http://www.xiaoyu163.com...

  • Page 40: Main Assy

    C322 XWK3091 C326 GNDA XWK3092 XWK3099 Q322 R328 R324 GNDA Q322 C324 R326 XWK3093 XWK3100 GNDA C139 XWK3094 XWK3101 GNDA GNDA XWK3095 XWK3102 XWK**** XWK3096 XWK3104 I.C.T. XWK**** XWK3097 XWK3105 CMKM-P3X XWK3098 XWK**** CN106 CN107 CN254 CN901 u163 VSX-D712-K http://www.xiaoyu163.com...
  • Page 41 C208 R322 R296 C205 R206 C133 R298 R207 C204 C322 C298 C207 R204 C155 GNDA R205 R202 C203 C136 R203 C167 C165 Q322 R201 GDAC C135 C138 F.C. CN111 CN109 GNDA C137 CN109 CN111 (XNP3067-B) CN804 CN802 u163 VSX-D712-K http://www.xiaoyu163.com...
  • Page 42 CN103 Q5003 Q5004 XNP3067 IC5001 Q386 GNDU Q9003 Q5002 Q361 IC109 IC109 L 13942296513 IC107 Q230 IC107 Q230 Q229 Q229 Q9001 Q231 Q231 Q232 Q232 Q9002 IC101 IC101 Q9007 Q168 Q167 Q168 Q167 GNDA C191 CN111 CN109 u163 VSX-D712-K http://www.xiaoyu163.com...
  • Page 43 GNDU DC. DET OL.DET B.DET GNDA AMUTE Q9002 GNDA F.L. GNDA GNDA GNDA F.R. GNDA XWK3096 Q9007 GNDA GNDA XWK3101 XWK3097 XWK3093 XWK3102 XWK3098 XWK**** XWK3104 XWK3094 XWK3091 XWK3099 XWK**** XWK3095 XWK3105 XWK3092 XWK3100 XWK**** CN107 (XNP3067-B) u163 VSX-D712-K http://www.xiaoyu163.com...

  • Page 44: Dsp Assy

    4.4 DSP ASSY 3 7 63 1515 0 SIDE A SIDE A DSP ASSY L 13942296513 u163 (ANP2022-B) VSX-D712-K http://www.xiaoyu163.com...
  • Page 45 R8523 C8520 R8309 C8518 C8542 R8310 C8521 R8311 C8540 R8528 R8312 R8313 R8529 R8314 C8539 R8326 C8538 C8529 C8534 C8535 R8537 L8502 R8603 L8602 C8531 R8801 R8812 R8811 R8813 R8602 C8014 C8013 C8606 C8605 C8608 C8607 u163 (ANP2022-B) VSX-D712-K http://www.xiaoyu163.com...

  • Page 46: Amp & Primary And Amp Input Assys

    C653 GNDA Q651 Q603 Q653 R603 GNDA IC604 IC605 u163 GNDA R643 C603 IC607 C664 C613 R644 C663 Q601 C637 Q601 C614 GNDA D634 IC601 W508 W504 IC602 R613 D633 IC602 R607 W502 R601 W501 W507 W505 IC603 VSX-D712-K http://www.xiaoyu163.com...
  • Page 47 W526 BY LITTELFUSE INC. IC605 u163 D752 RY751 W518 ATTENTION C613 491010 C770 D723 C614 D606 D605 COMME INDIQUE. W508 IC601 D721 C758 REMPLACER LE IC LINKS KN601 DE CHEZ LITTELFUSE INC. D722 W509 CN53 CN53 D724 CN801 VSX-D712-K http://www.xiaoyu163.com...

  • Page 48: Front, R. Encoder, Power Sw And H

    2 GNDU 1 FUNCAV HCI40HI XWZ3654 S504 S503 S502 S501 1551 R1552 DVD/LD VCR/DVR VIDEO TV/SAT HP R KN1551 S506 S508 S509 S507 JA1551 HP L R1551 CDR/TAPE TUNER (XNP3064-C) HCI40HI (XNP3064-C) S505 POWER u163 M O R VSX-D712-K http://www.xiaoyu163.com...
  • Page 49 (XNP3064-C) R.ENCODER L 13942296513 1 LED 2 ENTER S512 3 FENC A 4 FENC B 5 GNDU 6 VENC B 7 VENC A S511 W291 ENTER W289 HCI40HI D512 XWZ3652 XWZ3653 W292 W293 S513 R.ENCODER ASSY (XNP3064-C) u163 VSX-D712-K http://www.xiaoyu163.com...
  • Page 50 TONE SBch MODE SPEAKER STEREO/ LOUDNESS SELECT DIRECT (XNP3064-C) R.ENCODER L 13942296513 1 LED 2 ENTER 3 FENC A 4 FENC B 5 GNDU 6 VENC B 7 VENC A ENTER HCI40HI XWZ3652 XWZ3653 R.ENCODER ASSY (XNP3064-C) u163 VSX-D712-K http://www.xiaoyu163.com...
  • Page 51 XWZ3654 R504 R503 R502 VIDEO VCR/DVR TV/SAT DVD/LD Q1551 Q1551 R1556 R1557 C1552 R507 R508 R506 HPSW uGND uGND TUNER CDR/TAPE R1555 Q1552 C1557 HP GND Q1552 R501 C1558 (XNP3064-C) C1556 (XNP3064-C) POWER R505 u163 M O R VSX-D712-K http://www.xiaoyu163.com...

  • Page 52: Board To Board, Digital In, Video And 6Ch In Assys

    W139 FURNITURE W169 jp150a CN104 SRIN C338 SROUT SWDET AMUTE CN803 C310 Q302 Q302 Q301 CN301 Q301 CN301 (XNP3064-C) CN390 BOARD TO BOARD HCI40HI BOARD TO BOARD ASSY CN390 CN391 CN351 u163 CN392 (XNP3064-C) I J K T VSX-D712-K http://www.xiaoyu163.com...
  • Page 53 C333 R306 C378 Q304 Q303 R393 IC301 -12V C339 +12V SW OUT C340 SB OUT 4053INH D304 4053A FURNITURE SRIN SROUT SWDET AMUTE C311 D303 (XNP3064-C) CN301 CN390 BOARD TO BOARD ASSY u163 (XNP3064-C) I J K T VSX-D712-K http://www.xiaoyu163.com...

  • Page 54: Video And Front Video Assys

    CN353 CN352 L 13942296513 W181 W147 W146 W145 CN354 W178 W193 W144 CN351 CN107 (XNP3064-C) CN354 CN351 CN354 CN901 CN391 CN901 FRONT VIDEO C905 XWZ3655 CN901 C903 XWZ3696 JA902 XWZ3699 W214 W215 u163 HCI40HI (XNP3064-C) FRONT VIDEO ASSY VSX-D712-K http://www.xiaoyu163.com...
  • Page 55 VCR PLAY TV/SAT S. VIDEO ASSY L 13942296513 IC351 IC352 (XNP3064-C) CN351 CN354 CN901 HCI40HI FRONT VIDEO XWZ3655 XWZ3696 C915 R906 R904 R907 C916 R903 R901 R905 R902 C901 C902 C913 C914 u163 XWZ3699 (XNP3064-C) FRONT VIDEO ASSY VSX-D712-K http://www.xiaoyu163.com...

  • Page 56: Fm/Am Tuner Module

    4.9 FM/AM TUNER MODULE 3 7 63 1515 0 SIDE A SIDE B FM/AM TUNER MODULE SIDE A CN103 CN201 L 13942296513 (ANP7338-B) Q202 FM/AM TUNER MODULE SIDE B u163 (ANP7338-B) Q201 IC201 Q203 Q205 IC202 Q204 VSX-D712-K http://www.xiaoyu163.com...

  • Page 57: Pcb Parts List

    J 47 JUMPER WIRED D20PYY0630E C205–C208, C245–C248, C265 CCSRCH331J50 u163 C267, C286, C288 CCSRCH331J50 AMP & PS ASSY C203, C204 CCSRCH471J50 OTHERS C5017 CCSRCH561J50 C366 CEANP4R7M50 J 21 JUMPER WIRED D20PYY0715E C121–C128, C131–C142 CEAT100M50 C167, C168, C209, C210 CEAT100M50 VSX-D712-K http://www.xiaoyu163.com...
  • Page 58 CKSRYB105K6R3 C8514 CKSRYB333K16 101–103 PCB BINDER VEF1040 C8203 CKSRYB473K50 X5001 CRYSTAL RESONATOR ASS7004 u163 (4.332 MHz) RESISTORS X9001 CERAMIC RESONATOR ASS7032 R8506 RAB4C101J (15.7 MHz) R8201 RS1/16S1802F Other Resistors RS1/16S###J DSP ASSY OTHERS SEMICONDUCTORS CN8012 19P CONNECTOR 52045-1945 VSX-D712-K http://www.xiaoyu163.com...
  • Page 59 C611, C612, C636, C661, C662 CEAT101M16 C801, C802 CEAT222M25 C711 CEAT101M35 u163 C809 CEAT472M16 C803, C804, C807, C810, C812 CKPUYF103Z25 CEAT102M16 C692 CEAT221M10 C814 CKPUYF103Z25 CEAT470M25 C605, C606, C633, C655, C656 CEAT4R7M50 OTHERS C705 CEHAT100M2A CN801 23P CONNECTOR 52045-2345 VSX-D712-K http://www.xiaoyu163.com...
  • Page 60 C339, C340 CKSRYB104K25 CN351 7P SOCKET KP200TA7L C304–C306 CKSRYB221K50 C333 CKSRYB331K50 FRONT ASSY u163 C311, C313 CKSRYB473K25 SEMICONDUCTORS IC401 PE5346A RESISTORS Q484 2SA1037K > R313, R316 RS3LMF560J Q441, Q442 DTC124EK Other Resistors RS1/16S###J D403–D405 1SS355 D401, D402 DAN202K OTHERS VSX-D712-K http://www.xiaoyu163.com...
  • Page 61 CN1901 10P CONNECTOR VKN1186 501 CABLE HOLDER (5P) 51063-0505 KN1901 WRAPPING TERMINAL VNF1084 u163 TRANS4 ASSY FM/AM TUNER MODULE SEMICONDUCTORS SEMICONDUCTORS IC891, IC892 PROTECTOR (630mA) AEK7006 D891 S1WB(A)60SD IC201 BA1451F IC202 LC72131MD CAPACITORS Q201, Q204, Q205, Q601 2SC2412K VSX-D712-K http://www.xiaoyu163.com...
  • Page 62 R103, R104 RS1/10S221J Other Resistors RS1/16S###J OTHERS CN201 13P CONNECTOR 52044-1345 BN201 2P TERMINAL WITH PAL AKA7002 (SHIELD CASE T) ANK7072 (SHIELD CASE B) ANK7073 u163 X201 CRYSTAL RESONATOR ASS1093 (7.2MHz) FM FRONTEND AXF7005 AM RF TUNING BLOCK AXX7072 VSX-D712-K http://www.xiaoyu163.com...

  • Page 63: Adjustment

    Pin 21 and Pin 23 of IC201 (Test point Vtm) Adjustment gets within 0 ± 50mV. PRODUCT MPX SG FM SG Voltmeter FM75Ω antenna terminal Fig.1 Adjustment Wiring Diagram L 13942296513 FM/AM TUNER MODULE L201 IC201 pin 21 pin 23 SIDE B Fig.2 Adjustment Point u163 VSX-D712-K http://www.xiaoyu163.com...

  • Page 64: General Information

    REGULATOR Assy AMP&PRIMARY Assy Heat Sink ×3 u163 Note : The unit does not operate when the screws of Speaker Terminal are taken off from Rear Panel. Even if the FM/AM TUNER MODULE is disconnected, other functions can operate. VSX-D712-K http://www.xiaoyu163.com...

  • Page 65: Pcb Location

    TRANS 2 Assy MAIN Assy L 13942296513 AMP INPUT Assy FRONT VIDEO Assy TRANS 1 Assy TRANS 3 Assy TRANS 4 Assy R. ENCODER Assy FRONT Assy NOTE : This photograph is VSX-D812. u163 H.P. Assy POWER SW Assy VSX-D712-K http://www.xiaoyu163.com...

  • Page 66: Parts

    Boad DET P76/TA3OUT P35/A13 HP DET MIC DET P75/TA2IN/W P36/A14 RY_A 1394 RST P74/TA2OUT/W P37/A15 RY_C/R P40/A16 1394 CS P73/CTS2/RTS2/TA1IN/V RY_B P41/A17 1394 CK P72/CLK2/TA1OUT/V AMUTE P71/RxD2/SCL 1394 DO P42/A18 GAIN_SEL /TA0IN/TB5IN 1394 DI P70/TXD2/SDA P43/A19 INPUT_ATT /TA0OUT u163 VSX-D712-K http://www.xiaoyu163.com...
  • Page 67 Data input signal for communication with DIR/DAC P50/WRL/WR DIR CS Chip select signal for communication with DIR/DAC P47/CS3 P46/CS2 DIR CDC RST Reset signal for DIR CODEC u163 P45/CS1 DIR ERR lock/unlock signal P44/CS0 XTL0 DIR X'tal change VSX-D712-K http://www.xiaoyu163.com...
  • Page 68 P00/D0 P107/AN7/KI3 P106/AN6/KI2 P105/AN5/KI1 P104/AN4/KI0 P103/AN3 P102/AN2 SIMUKE1 lnput 1 to switch region P101/AN1 SIMUKE2 lnput 2 to switch region AVSS AVSS Connect to VSS P100/AN0 VREF VREF Connect to VCC u163 AVcc AVCC Connect to VCC P97/ADTRG/SIN4 VSX-D712-K http://www.xiaoyu163.com...
  • Page 69 P-CH FIP31/P37 DISP EN P00/INTP0 C-MOS P-CH FIP32/P40 NC(PD)(MULTIROOM SRIN) P01/INTP1 C-MOS P-CH FIP33/P41 STANDBY LED SR IN P02/T1 C-MOS P-CH FIP34/P42 AVSS P-CH FIP35/P43 KEY IN4 ANI3 COPM P-CH FIP36/P44 KEY IN3 ANI2 COMP P-CH FIP37/P45 u163 VSX-D712-K http://www.xiaoyu163.com...
  • Page 70 EN B VOLUME JOG1(-) P60/FIP48 EN A VOLUME JOG1(+) P57/FIP47 P56/FIP46 TEST test mode input for checker P55/FIP45 P54/FIP44 P53/FIP43 P52/FIP42 1W WUP output wakeup signal to main u-com P51/FIP41 P50/FIP40 P47/FIP39 VOL LED LED Output P46/FIP38 u163 VSX-D712-K http://www.xiaoyu163.com...
  • Page 71 Display FIP16 Display L 13942296513 FIP15 Display FIP14 Display FIP13 Display FIP12 Display FIP11 Display FIP10 Display FIP9 Display FIP8 Display FIP7 Display FIP6 Display FIP5 Display FIP4 Display FIP3 Display FIP2 Display FIP1 Display FIP0 Display u163 VSX-D712-K http://www.xiaoyu163.com...
  • Page 72 3 7 63 1515 0 • 6.1ch Audio Sound Processor Block Diagram GND8 INFRA TONE OUTSW INFLA GND7 INSWA OUTSR INSRA GND6 INSLA OUTSL INCA GND5 INSBA L 13942296513 OUTC INFRB GND4 INFLB OUTSB INSWB INSRB GND3 INSLB INCB LOGIC INSBB u163 VSX-D712-K http://www.xiaoyu163.com...
  • Page 73 Rch treble filter terminal SRch DSP input terminal VINFR INSLB Rch volume Input terminal SLch DSP input terminal GOUTFR INCB Rch input gain output terminal Cch DSP input terminal VINFL INSBB Lch volume Input terminal SBch DSP input terminal u163 VSX-D712-K http://www.xiaoyu163.com...
  • Page 74 Bias input terminal ING1 G1ch input terminal (-)Power supply terminal ING2 G2ch input terminal Serial date anlatch input terminal INH1 H 1ch input terminal Serial clock input terminal u163 INH2 H 2ch input terminal Digital ground terminal DGND VSX-D712-K http://www.xiaoyu163.com...
  • Page 75 MUTE MUTE Vin2 MUTE Vin3 Vin3 Vin3 MUTE Vin3 Vin3 Vin4 Vin4 Vin4 MUTE Vin4 Vin4 Vin4 Vin4 MUTE MUTE Vin4 MUTE Vin5 Vin5 Vin5 MUTE Vin5 Vin5 Vin5 Vin5 MUTE MUTE Vin5 MUTE MUTE MUTE MUTE u163 VSX-D712-K http://www.xiaoyu163.com...
  • Page 76 BICK LOUT3 DATT SDTO SDIN SDTI1 SDOUT1 SDIN1 ROUT3 DA C DATT SDTI2 SDIN2 SDOUT2 SDTI3 SDIN3 SDOUT3 SDTI4 SDIN4 SDOUT4 LOUT4 DA C DATT ROUT4 DATT AK4529 u163 Block Diagram (DIR and AC-3 DSP are external parts) VSX-D712-K http://www.xiaoyu163.com...
  • Page 77 If the state of P/S or CAD0-1 changes, then the AK4529 must be reset by PDN. L 13942296513 Test Pin This pin should be connected to DVSS. CAD1 Chip Address 1 Pin CAD0 Chip Address 0 Pin LOUT4 DAC4 Lch Analog Output Pin ROUT4 DAC4 Rch Analog Output Pin u163 VSX-D712-K http://www.xiaoyu163.com...
  • Page 78 2. The group 1 and 2 can be selected by DZFM3-0 bits if P/S = "L" and DZFE = "L". 3. This pin becomes OVF pin if OVFE bit is set to "1" at serial control mode. 4. All input pins should not be left floating. u163 VSX-D712-K http://www.xiaoyu163.com...
  • Page 79 (16) RCLK Analog Power supply QUAL Bi-phase Differential 57kH decoder RDATA 1187.5Hz decoder (12) RDS/ARI Digital Power supply (11) Measurement Reference circuit clock (13) (14) (10) L 13942296513 Pin Arrangement (Top View) Pin Function y t i u163 VSX-D712-K http://www.xiaoyu163.com...

  • Page 80: Display

    MONO • Grid Assignment SIGNAL AUTO DIGITAL VIR.SB DIRECT SLEEP RFATT DIGITAL DIGITAL PROLOGIC MIDNIGHT STEREO TUNED Neo:6 ANALOG DTS MPEG ADV.SURR. MPEG LOUDNESS MONO L 13942296513 • Segment Designation SIGNAL (10G) (1G) (2G to 9G) (1G) u163 VSX-D712-K http://www.xiaoyu163.com...
  • Page 81 6) Field of vision is a minimum of 21.8° from the lower side. • Anode Connection 9G-2G RFATT AUTO √ DIGITAL TUNED ANALOG DIGITAL (L) MPEG L 13942296513 MPEG DIGITAL (R) PROLOGIC ∏ Neo:6 VIR.SB ADV.SURR. DIRECT MIDNIGHT LOUDNESS SLEEP STEREO MONO u163 VSX-D712-K http://www.xiaoyu163.com...

  • Page 82: Explanation

    7.3 EXPLANATION 7.3.1 POWER ON AND OFF INITIAL TIMING CHART 3 7 63 1515 0 L 13942296513 u163 VSX-D712-K http://www.xiaoyu163.com...
  • Page 83 (IC101 : BD3841) VIDEO system mute (IC301 : NJM2595) TUNER mute (IC202 : LC72131) E-VOLUME mute (IC108 : BD3813) (IC8501 : DSPD56367) DIR/CODEC (IC8201 : AK4114/AK4628) L 13942296513 SPEKER relay (port) OVERLOAD DETECT AMP ERROR DETECT u163 VSX-D712-K http://www.xiaoyu163.com...

  • Page 84: Ic Data Transmission Timing Chart

    1) when tuner mute during Tuner 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 u163 VSX-D712-K http://www.xiaoyu163.com...

  • Page 85: Detection Circuit

    L : ON H : OFF Fan Stop DET. Q253 Fan Stop R265 Fan - Fan + -12V +12V 4. PCB Board Protection Circuit Diagram Main Assy Amp & Primary Assy Amp Input Assy Speaker u-con IC9001 Pin 24 u163 VSX-D712-K http://www.xiaoyu163.com...

  • Page 86: Amplifier System Protection Operation Specification

    The power is shut off. unit recovers. 7.4 CLEANING u163 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 VSX-D712-K http://www.xiaoyu163.com...

  • Page 87: Panel Facilities

    FRONT TV / (TV / SAT) ASSIGNABLE COAX MONITOR T V / DIGITAL FRONT (CD) D V D 5.1CH COAX INPUT WOOFER DVD / CD-R PREOUT (DVD / TAPE u163 /LD) SURROUND / MD BACK PLAY S-VIDEO AUDIO VSX-D712-K http://www.xiaoyu163.com...
  • Page 88 Use Loudness to boost the bass and treble at low volume. 14 SPEAKERS Use to cycle through the speaker system: A → B → A+B. 15 SB CH MODE Selects the Surround back channel mode and the Virtual Surround Back (VSB) mode. u163 VSX-D712-K http://www.xiaoyu163.com...
  • Page 89 - 0 dB indicates the maximum level. u163 SLEEP Depending on your level settings for each channel, the Lights when the receiver is in sleep mode. maximum volume can range between –10 dB and –0 dB. VSX-D712-K http://www.xiaoyu163.com...
  • Page 90 EFFECT +/– Adds or subtracts the amount of effect with different advanced surround modes. FL DIMMER DISC Dims or brightens the display. ENTER MASTER VOLUME +/– Use to set the listening volume. TV CONTROL CHANNEL CHANNEL VOLUME RECEIVER u163 VSX-D712-K http://www.xiaoyu163.com...
  • Page 91 DISPLAY Use to switch the display between the station preset name, frequency and RDS data when using the tuner. CLASS Switches between the three banks (classes) of radio station presets. u163 VSX-D712-K http://www.xiaoyu163.com...

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