Pioneer VSX-D712-K Service Manual
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Pioneer VSX-D712-K Service Manual

Audio/video multi-channel receiver
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AUDIO/VIDEO MULTI-CHANNEL RECEIVER
VSX-D712-K
THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S).
Model
Type
VSX-D712-K
KUXJI
VSX-D712-K
KCXJI
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
DVD/LD
TV/SAT
VCR/DVR
CD-R/
CD
TAPE/MD
TUNER
STANDBY
STANDBY / ON
PHONES
Power Requirement
AC120V
AC120V
4-1, Meguro 1-chome, Meguro-ku, Tokyo 153-8654, Japan
VIDEO
ENTER
AUX
MASTER VOLUME
DOWN
PULL OPEN
VSX-D712-K
MULTI JOG
UP
ORDER NO.
RRV2754
Remarks
T-ZZK FEB. 2003 printed in Japan

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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 FEB.

  • 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. VSX-D712-K...

  • Page 4: Table Of Contents

    7.2.2 DISPLAY ............................... 80 7.3 EXPLANATION ............................82 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 8. PANEL FACILITIES ............................87 VSX-D712-K...

  • Page 5: Specifications

    Stereo: 70 dB (at 85 dBf) Distortion ....Stereo: 0.5 % (1 kHz) Alternate Channel Selectivity..60 dB (400 kHz) VSX-D712-K...
  • Page 6 Commission’s Trade Regulation rule on Power Output Claims for Amplifiers. ** Measured by Audio Spectrum Analyzer. Accessories AM loop antenna FM wire antenna AA size IEC R6P Remote control unit (ATB7009) (ADH7004) Dry cell batteries (x2) (VSX-D812 : XXD3051) VSX-D712-K...

  • Page 7: Exploded Views And Parts List

    Remote Control Unit XXD3051 Battery Cover AZA7424 NSP 8 Literature Bag AHG1180 (2) CONTRAST TABLE VSX-D712-K/KUXJI and VSX-D712-K/KCXJI are constructed the same except for the following: VSX-D712-K/ VSX-D712-K/ Mark Symbol and Description KUXJI KCXJI 13 Operating Instructions (French) Not used...

  • Page 8: Exterior Section

    2.2 EXTERIOR SECTION 55 55 27 58 34 35 NON-CONTACT SIDE CONTACT SIDE Refer to "2.3 FRONT PANEL SECTION". VSX-D712-K...
  • Page 9 Insulator PNW2766 • • • • • • • • • • REG Support R6 XNG3093 Rear Panel 712K XNC3186 Bonnet XZN3126 NSP 46 HOLDER Assy XWZ3692 FFC Holder R6 XMR3072 Shield A R6 XNG3068 FFC Cover R6 XMR3060 VSX-D712-K...

  • Page 10: Front Panel Section

    2.3 FRONT PANEL SECTION Lubricating Oil GYA1001 VSX-D712-K...
  • Page 11 XWZ3648 R. ENCODER Assy XWZ3652 POWER SW Assy XWZ3651 FRONT VIDEO Assy XWZ3655 H.P. Assy XWZ3654 • • • • • Pioneer Badge B XAM3006 Select Knob XAB3023 Volume Knob XAB3025 NSP 10 C Ring DIM 8.1 XBH3016 FRT Panel...

  • Page 12: Block Diagram And Schematic Diagram

    IC104 IC8601 IS61LV6416 -12T(S-RAM) IC8602 IS63LV1024 -12T(S-RAM) IC106 IC8603 PD8116A (ROM) CN1901 CN8017 CN8007 CN109 IC303 CN307 CN105 IC302 IC302 IC352 NJM2595M (Y SEL) IC551 TC74HC4053 (COMPOSEL) COMPONENT1 CN901 NJM2595M IC351 COMPONENT2 (C SEL) CN354 IC552 NJM2581M COMPONENT OUT VSX-D712-K...
  • Page 13 IC301 POWER AMP Q702 IC601, IC602 +BVL D51-D54 (COMPONENT SEL) D702 RY51 NJM2595M -BVL CN901 CN301 FL AC AC IN 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...

  • Page 14: Overall Wiring Connection Diagram

    AMP INPUT ASSY (XWZ3677) ASSY S. VIDEO MAIN BOARD TO (AWX1083) ASSY ASSY BOARD (XWZ3660) (XWK3091) ASSY (XWZ3664) 1/2, 1/3, VIDEO 2/3, ASSY (XWZ3644) REGULATOR ASSY DIGITAL IN (XWZ3675) ASSY (XWZ3657) FM/AM TUNER MODULE 6CH IN ASSY (AXQ7231) (XWZ3649) VSX-D712-K...
  • Page 15 POWER SW ASSY (XWZ3651) H.P. ASSY (XWZ3654) TRANS3 ASSY (XWZ3686) TRANS1 TRANS2 ASSY ASSY (XWZ3682) (XWZ3680) 1/2, AMP& PRIMARY ASSY (XWZ3666) COMPONENT ASSY (XWZ3661) ADG7024 VSX-D712-K...

  • Page 16: Main Assy (1/3)

    3.3 MAIN ASSY (1/3) CN804 VSX-D712-K...
  • Page 17 MAIN ASSY (XWK3091) : The power supply is shown with the marked box. VSX-D712-K...

  • Page 18: Main Assy (2/3)

    3.4 MAIN ASSY (2/3) MAIN ASSY (XWK3091) VSX-D712-K...
  • Page 19 VSX-D712-K...

  • Page 20: Main Assy (3/3)

    3.5 MAIN ASSY (3/3) VSX-D712/KU : The power supply is shown with the marked box. CN802 VSX-D712-K...
  • Page 21 CN401 MAIN ASSY (XWK3091) CN8012 VSX-D712-K...

  • Page 22: Dsp Assy (1/2)

    3.6 DSP ASSY (1/2) NO USE NO USE NO USE NO USE NO USE VSX-D712-K...
  • Page 23 AWX1083 : NO USE DSP ASSY (AWX1083) CN805 : The power supply is shown with the marked box. VSX-D712-K...

  • Page 24: Dsp Assy (2/2)

    3.7 DSP ASSY (2/2) NO USE CN112 VSX-D712-K...
  • Page 25 DSP ASSY (AWX1083) AWX1083 : NO USE VSX-D712-K...

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

    3.8 AMP & PRIMARY (1/2), TRANS2 and TRANS3 ASSYS AMP&PRIMARY ASSY (XWZ3666) KUXJI, KCXJI KUXJI, KUXJI, KCXJI KCXJI VSX-D712-K...
  • Page 27 NO. 491010 FOR IC604, IC605, IC606, NO USE 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...

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

    3.9 AMP & PRIMARY (2/2), REG., AMP INPUT and TRANS1 ASSYS REGULATOR ASSY (XWZ3675) CN302 VSX-D712-K...
  • Page 29 NO USE TRANS1 ASSY REK1086 (8A) (XWZ3680) REK1087 (10A) LIVE NEUTRAL AC POWER CORD ADG7024 AMP&PRIMARY ASSY (XWZ3666) • NOTE FOR FUSE REPLACEMENT FOR CONTINUED PROTECTION AGAINST RISK OF FIRE. CAUTION - REPLACE WITH SAME TYPE AND RATINGS ONLY. VSX-D712-K...

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

    3.10 VIDEO, 6CH IN, BOARD TO BOARD and S. VIDEO ASSYS VIDEO ASSY (XWZ3644) CN105 6CH IN ASSY CN104 (XWZ3649) VSX-D712 VSX-D712-K...
  • Page 31 BOARD TO BOARD ASSY (XWZ3664) CN901 S. VIDEO ASSY (XWZ3660) CN551 KUXJI, KCXJI VSX-D712-K...

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

    3.11 FRONT, R. ENCODER and POWER SW ASSYS R.ENCODER ASSY S511 : ENTER S512 : MULTI JOG DIAL R.ENCODER ASSY S513 : MASTER VOLUME (XWZ3652) FRONT ASSY (XWZ3648) CN101 VSX-D712-K...
  • Page 33 S459 : STANDARD S460 : TUNING + S461 : TUNING - KUXJICA S462 : STATION + S463 : STATION - S464 : TUNER EDIT S465 : CLASS S466 : FL DIMMER S467 : INPUT ATT S468 : MPX S476 : BAND VSX-D712-K...

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

    3.12 F.VIDEO, H.P., DIGITAL IN and COMPONENT ASSYS FRONT VIDEO ASSY (XWZ3655) H.P. ASSY (XWZ3654) DIGITAL IN ASSY (XWZ3657) Q R T S VSX-D712-K...
  • Page 35 COMPONENT ASSY (XWZ3661) VSX-D712-K...

  • Page 36: Fm/Am Tuner Module

    3.13 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 : 981 - 2052kHz 9k step VSX-D712-K...
  • Page 37 : The power supply is shown with the marked box. (TX) : AUDIO SIGNAL ROUTE (TUNER) (AM) : AM SIGNAL ROUTE (FM) : FM SIGNAL ROUTE ATF7026 (AM) (TX) (FM) (TX) (TX) (TX) (FM) (FM) (TX) (AM) L201 ATE7003 PLL IC VSX-D712-K...

  • Page 38: Pcb Connection Diagram

    W633 D +5V D +5V C808 CN302 C804 CN803 W657 W625 REG -B REG -B IC802 W743 W631 -12V -12V W621 C806 W632 W622 REG +B REG +B CN801 C803 IC801 W603 +12V +12V W602 CN53 CMKS-P3X KNIFE SPACE VSX-D712-K...

  • Page 39: Trans2, Trans3 And Trans1 Assys

    SIDE A 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 D E H D E H VSX-D712-K...

  • Page 40: Main Assy

    C9013 GNDA 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 VSX-D712-K...
  • Page 41 R294 C218 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 VSX-D712-K...
  • Page 42 MAIN ASSY CN104 CN105 CN103 Q5003 Q5004 XNP3067 IC5001 Q386 GNDU Q9003 Q5002 Q361 IC109 IC109 IC107 Q230 IC107 Q230 Q229 Q229 Q9001 Q231 Q231 Q232 Q232 Q9002 IC101 IC101 Q9007 Q168 Q167 Q168 Q167 GNDA C191 CN111 CN109 VSX-D712-K...
  • Page 43 GNDU NECK 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 XWK3102 XWK3093 XWK3098 XWK**** XWK3094 XWK3104 XWK3091 XWK3099 XWK**** XWK3095 XWK3105 XWK3092 XWK3100 XWK**** CN107 (XNP3067-B) VSX-D712-K...

  • Page 44: Dsp Assy

    4.4 DSP ASSY SIDE A SIDE A DSP ASSY (ANP2022-B) VSX-D712-K...
  • Page 45 R8515 C8544 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 (ANP2022-B) VSX-D712-K...

  • Page 46: Amp & Primary And Amp Input Assys

    Q651 Q603 C653 GNDA Q651 Q603 Q653 R603 GNDA IC604 IC605 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...
  • Page 47 LINKS AS MARKED.MFD. BY LITTELFUSE INC. IC605 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...

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

    XWZ3651 1551 2 GNDU 1 FUNCAV HCI40HI XWZ3654 S503 S502 S504 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-B) HCI40HI (XNP3064-B) S505 POWER M O R VSX-D712-K...
  • Page 49 QUICK SETUP DIRECT SELECT LOUDNESS (XNP3064-B) R.ENCODER 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-B) VSX-D712-K...
  • Page 50 MIDNIGHT/ SIGNAL QUICK SETUP TONE SBch MODE SPEAKER STEREO/ LOUDNESS SELECT DIRECT (XNP3064-B) R.ENCODER 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-B) VSX-D712-K...
  • Page 51 1 FUNCAV 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-B) C1556 (XNP3064-B) POWER R505 M O R VSX-D712-K...

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

    SB OUT 4053A W139 FURNITURE W169 CN104 SRIN C338 SROUT SWDET AMUTE CN803 C310 Q302 Q302 Q301 CN301 Q301 CN301 (XNP3064-B) CN390 BOARD TO BOARD HCI40HI BOARD TO BOARD ASSY CN390 CN391 CN351 CN392 CN551 (XNP3064-B) I J K T VSX-D712-K...

  • Page 53: Digital In Assy

    C304 R301 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-B) CN301 CN390 BOARD TO BOARD ASSY (XNP3064-B) I J K T VSX-D712-K...

  • Page 54: Video, Front Video And Component Assys

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

  • Page 56: Fm/Am Tuner Module

    4.9 FM/AM TUNER MODULE SIDE A SIDE B FM/AM TUNER MODULE SIDE A CN103 CN201 (ANP7338-B) Q202 FM/AM TUNER MODULE SIDE B (ANP7338-B) Q201 IC201 Q203 Q205 IC202 Q204 VSX-D712-K...

  • Page 57: Pcb Parts List

    AMP & PS ASSY C213, C214, C249, C250 CEAT100M50 OTHERS C269, C270, C290, C301–C306 CEAT100M50 J 21 JUMPER WIRED D20PYY0715E C321, C322, C341, C342 CEAT100M50 J 6 LEAD WIRE UNIT DB215NB0 C361, C362, C380, C382, C384 CEAT100M50 C5007 CEAT101M16 VSX-D712-K...
  • Page 58 CN8007 19P SOCKET AKP7073 IC8601 IS61LV6416-12T JA8102 OPT. LINK IN GP1FA513RZB IC8901 NJM2391DL1-33 CN8017 10P CONNECTOR VKN1414 IC8902 NJU7223DL1-18 X8501 CRYSTAL RESONATOR VSS1171 IC8603 PD8116A (20 MHz) IC8101 TC74HCU04AF X8201 CRYSTAL RESONATOR XSS3003 IC8701 TC74LVX244FT (24.576 MHz) IC8702 TC74VHCT244AFT VSX-D712-K...
  • Page 59 CN803 7P PLUG KM200TA7 C703, C704 (3300/42V) XCH3012 C701, C702 (4700/71V) XCH3013 AMP INPUT ASSY RESISTORS OTHERS > R51 (2.2M/ 1/2W) RCN1080 CN254 19P CONNECTOR 52044-1945 > RD1/2PM270J CN253 16P SOCKET KP200TA16L > R751, R752, R755, R761, R762 RD1/4PUF101J VSX-D712-K...
  • Page 60 All Resistors RS1/16S###J OTHERS OTHERS 471 CABLE HOLDER (5P) 51063-0505 CN307 9P CONNECTOR 52044-0945 404 CABLE HOLDER (7P) 51063-0705 CN309 4P PIN JACK AKB7087 CN401 17P CONNECTOR 52044-1745 CN402 9P CONNECTOR 52492-0920 V401 FL TUBE XAV3018 BOARD TO BOARD ASSY VSX-D712-K...
  • Page 61 RS1LMF151J C240 CCSRCH101J50 > R1551,R1552 RS2LMF331J C231, C232 CCSRCH150J50 Other Resistors RS1/16S###J C223 CEAT100M50 OTHERS C229 CEAT101M10 1551 6P CABLE HOLDER 51048-0600 C224 CEAT1R0M50 JA1551 HEADPHONE JACK RKB1014 C227 CEAT220M25 KN1551 EARTH METAL FITTING VNF1084 C241 CEAT2R2M50 C243 CEAT330M16 VSX-D712-K...
  • Page 62 R243 RS1/10S0R0J R103 RS1/10S331J R104 RS1/10S391J Other Resistors RS1/16S###J OTHERS CN201 13P CONNECTOR 52044-1345 BN201 TERMINAL 4-P AKA7003 (SHIELD CASE T) ANK7072 (SHIELD CASE B) ANK7073 X201 CRYSTAL RESONATOR ASS1093 (7.2MHz) FM FRONTEND AXF7003 AM RF TUNING BLOCK AXX7071 VSX-D712-K...

  • 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 FM/AM TUNER MODULE L201 IC201 pin 21 pin 23 SIDE B Fig.2 Adjustment Point VSX-D712-K...

  • Page 64: General Information

    Remove the top cover (nine screws). Rear Panel ×2 Pull up ×3 ×3 ×3 ×2 ×5 Diagnosis REGULATOR Assy AMP&PRIMARY Assy Heat Sink ×3 Note : The unit does not operate when the screws of Speaker Terminal are taken off from Rear Panel. VSX-D712-K...

  • Page 65: Pcb Location

    6CH IN FM/AM TUNER Assy Assy Module TRANS 2 Assy MAIN Assy AMP INPUT Assy FRONT VIDEO Assy TRANS 1 Assy TRANS 3 Assy R. ENCODER Assy FRONT Assy NOTE : This photograph is VSX-D812. H.P. Assy POWER SW Assy VSX-D712-K...

  • Page 66: Parts

    RY-AC 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 VSX-D712-K...
  • Page 67 DIR DO 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 P45/CS1 DIR ERR lock/unlock signal P44/CS0 XTL0 DIR X'tal change VSX-D712-K...
  • Page 68 P02/D2 P01/D1 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 AVcc AVCC Connect to VCC P97/ADTRG/SIN4 VSX-D712-K...
  • Page 69 P20/SCK3 C-MOS 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 VSX-D712-K...
  • Page 70 MULTI JOG(Left) P61/FIP49 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 VSX-D712-K...
  • Page 71 Display FIP18 Display FIP17 Display FIP16 Display 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 VSX-D712-K...
  • Page 72 7 BD3813KS (MAIN ASSY : IC108) • 6.1ch Audio Sound Processor Block Diagram GND8 INFRA TONE OUTSW INFLA GND7 INSWA OUTSR INSRA GND6 INSLA OUTSL INCA GND5 INSBA OUTC INFRB GND4 INFLB OUTSB INSWB INSRB GND3 INSLB INCB LOGIC INSBB VSX-D712-K...
  • 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 VSX-D712-K...
  • Page 74 F 2ch input terminal BIAS 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 INH2 H 2ch input terminal Digital ground terminal DGND VSX-D712-K...
  • Page 75 • DUAL SUPPLY WIDE BAND 3ch VIDEO AMPLIFIER Block Diagram Equivalent Circuit PIN No. PIN NAME FUNCTION INSIDE EQUIVALENT CIRCUIT VIN1 VIN1 Input VIN2 VIN2 VIN3 VIN3 VOUT1 VOUT1 VOUT2 Output VOUT2 VOUT3 5.5K VOUT3 Power Save Power Save Power Save VEE1 VEE2 VEE3 VSX-D712-K...
  • Page 76 Vin2 Vin2 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 VSX-D712-K...
  • Page 77 SDOUT SDOS 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 Block Diagram (DIR and AC-3 DSP are external parts) VSX-D712-K...
  • Page 78 If the state of P/S or CAD0-1 changes, then the AK4529 must be reset by PDN. 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 VSX-D712-K...
  • Page 79 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. VSX-D712-K...

  • Page 80: Display

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

  • Page 82: Explanation

    7.3 EXPLANATION 7.3.1 POWER ON AND OFF INITIAL TIMING CHART VSX-D712-K...
  • Page 83 POWER OFF INITIAL TIMING CHART AC relay "H" "L" (port) A.MUTE "L" (port) FUNCTION SW full open (BD3841) VIDEO system mute (NJM2595) TUNER mute (LC72131) E-VOLUME mute (BD3813) (DSPD56367) DIR/CODEC (AK4114/AK4628) SPEKER relay (port) OVERLOAD DETECT AMP ERROR DETECT VSX-D712-K...

  • 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 VSX-D712-K...

  • Page 85: Detection Circuit

    DC DET. Pin 23 L : ON H : OFF Fan Stop DET. Fan Stop Q253 R265 Fan - Fan + -12V +12V 4. PCB Board Protection Circuit Diagram Main Assy Amp & Primary Assy Amp Input Assy Speaker Micro-p VSX-D712-K...

  • Page 86: Amplifier System Protection Operation Specification

    When an boad error is detected, A.MUTE* is turned on, speaker relay is turned off, then "BOAD ERR" flashes on the display. ↓ The abnormality continues for 3 seconds. ↓ Continues. ↓ Recovery The power is shut off even if the The power is shut off. unit recovers. VSX-D712-K...

  • Page 87: Panel Facilities

    MASTER VOLUME Lights when the receiver is in standby mode. PHONES jack Remote sensor Use to connect headphones. When the head- Receives the signals from the remote control. phones are connected, there is no sound output from the speakers. VSX-D712-K...
  • Page 88 TV / (TV / SAT) AC OUTLET ASSIGNABLE COAX T V / MONITOR / LD DIGITAL FRONT (CD) D V D 5.1CH COAX INPUT WOOFER DVD / CD-R PREOUT (DVD / TAPE /LD) SURROUND / MD BACK PLAY S-VIDEO AUDIO VSX-D712-K...
  • Page 89 - 0 dB indicates the maximum level. Depending on your level settings for each Lights when INPUT ATT is used to attenuate channel, the maximum volume can range (reduce) the level of the analog input signal. between –10 dB and –0 dB. VSX-D712-K...

  • Page 90: Remote Control

    Sounds the test tone when setting up the surround sound of the receiver. CHANNEL CHANNEL VOLUME MUTE Mutes the sound (or restores the sound if it has been muted). EFFECT +/– Adds or subtracts the amount of effect RECEIVER with different advanced surround modes. VSX-D712-K...
  • Page 91 MULTI CONTROL button (TUNER (TV CONTROL) INPUT SELECT or TV/SAT (when connected to DTV)). Use select the TV function. CHANNEL +/– RETURN Use to select channels. Returns to the last screen selected when using a digital TV tuner. VOLUME +/– VSX-D712-K...

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