Pioneer VSX-D914-K Service Manual

Pioneer VSX-D914-K Service Manual

Audio/video multi-channel receiver
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AUDIO/VIDEO MULTI-CHANNEL RECEIVER
VSX-D914-K
VSX-D814-K
VSX-D814-S
THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S).
Model
Type
VSX-D914-K
KUXJICA
VSX-D814-K
KUXJICA
VSX-D814-S
KUXJICA
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
DVD/LD
TV/SAT
DVR/VCR
CD-R/
CD
TAPE/MD
TUNER
STANDBY / ON
PHONES
Power Requirement
AC120V
AC120V
AC120V
4-1, Meguro 1-chome, Meguro-ku, Tokyo 153-8654, Japan
AUDIO/VIDEO MULTI-CHANNEL RECEIVER
VIDEO
ENTER
AUX
MASTER VOLUME
ADVANCED
STEREO/
SIGNAL
MIDNIGHT/
SB CH
MULTI JOG
DO WN
STATION
TUNING
STANDARD
SURROUND
DIRECT
SELECT
LOUDNESS
SPEAKERS
MODE
TONE
QUICK SETUP
LISTENING MODE
VIDEO INPUT
MCACC
SETUP MIC
DIGITAL IN
S-VIDEO
VIDEO
L AUDIO R
TUNER EDIT
CLASS
BAND
MPX
INPUT ATT FL DIMMER
MULTI JOG
VSX-D914-K
VSX-D914
MULTI JOG
UP
ORDER NO.
RRV2889
Remarks
ZZK FEB. 2004 printed in Japan

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Summary of Contents for Pioneer VSX-D914-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 2004 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-D914-K...
  • Page 4: Table Of Contents

    7.3.1 POWER ON AND OFF INITIAL TIMING CHART ................71 7.3.2 IC DATA TRANSMISSION TIMING CHART..................73 7.3.3 DETECTION CIRCUIT ........................74 7.3.4 AMPLIFIER SYSTEM PROTECTION OPERATION SPECIFICATION..........75 7.3.5 AMPLIFIER FAILURE DIAGNOSIS FLOW CHART ................77 7.4 CLEANING............................... 77 8. PANEL FACILITIES ............................78 VSX-D914-K...
  • Page 5: Specifications

    DVD/LD, TV/SAT....1 Vp-p/75 Ω Output (Level/Impedance) MONITOR OUT....1 Vp-p/75 Ω VSX-D914-K...
  • Page 6: Cleaning The Unit

    ADV. SURR STEREO SLEEP MIDNIGHT/ LOUDNESS TEST TONE SHIFT CH SELECT LEVEL EFFECT RECEIVER AA size IEC LR6 Remote control unit AM loop antenna FM wire antenna Dry cell batteries (x2) (VSX-D914 : XXD3070) (ATB7013) (ADH7030) (VSX-D814 : XXD3069) VSX-D914-K...
  • Page 7: Exploded Views And Parts List

    Battery Cover XZN3140 NSP 8 Literature Bag AHG1180 Packing Sheet AHG7069 Left Pad V1 XHA3141 (2) CONTRAST TABLE VSX-D914-K/KUXJICA, VSX-D814-K/KUXJICA and VSX-D814-S/KUXJICA are constructed the same except for the following: VSX-D914-K VSX-D814-K VSX-D814-S Mark Description /KUXJICA /KUXJICA /KUXJICA Remote Control Unit...
  • Page 8: Exterior Section

    2.2 EXTERIOR SECTION EXCEPT VSX-D814-K 55 55 34 35 42(2/2) NON-CONTACT SIDE CONTACT SIDE Refer to "2.3 FRONT PANEL SECTION". 42(1/2) VSX-D914-K...
  • Page 9 NSP 59 BINDER Assy XWZ3818 J34 13P F.F.C/30V XDD3149 Screw BPZ30P120FTC J43 19P F.F.C/30V XDD3126 (2) CONTRAST TABLE VSX-D914-K/KUXJICA, VSX-D814-K/KUXJICA and VSX-D814-S/KUXJICA are constructed the same except for the following: VSX-D914-K VSX-D814-K VSX-D814-S Mark Description /KUXJICA /KUXJICA /KUXJICA MAINP Assy...
  • Page 10: Front Panel Section

    2.3 FRONT PANEL SECTION 16(1/2) 16(2/2) NON-CONTACT SIDE CONTACT SIDE VSX-D914-K...
  • Page 11 See Contrast table(2) Sub BTN V1 See Contrast table(2) B Lens R6 XAK3352 Sub Panel See Contrast table(2) (2) CONTRAST TABLE VSX-D914-K/KUXJICA, VSX-D814-K/KUXJICA and VSX-D814-S/KUXJICA are constructed the same except for the following: VSX-D914-K VSX-D814-K VSX-D814-S Mark Description /KUXJICA /KUXJICA /KUXJICA FRONT OPT &...
  • Page 12: Block Diagram And Schematic Diagram

    IS61LV6416 -12T(S-RAM) IC8602 CN951 IS63LV1024 -12T(S-RAM) IC106 CN1902 IC8603 PD8116A (ROM) CN1901 CN8017 CN8007 CN109 IC303 CN307 CN105 IC302 IC302 NJM2595M (Y SEL) IC352 IC551 TC74HC4053 (COMPOSEL) COMPONENT1 CN901 NJM2595M IC351 COMPONENT2 (C SEL) CN354 IC552 NJM2581M COMPONENT OUT VSX-D914-K...
  • Page 13 IC301 IC601, IC602 +BVL D51-D54 (COMPONENT SEL) D702 RY51 -BVL NJM2595M CN901 CN301 FL AC AC IN CN401 FL AC T+12V IC805 +12V POWER IC801 D801–D804 TRANSFORMER CN111 -12V IC802 D721–D724 D+5V IC803 CN8003 A+5V IC804 D+5.6V IC806 CN111 VSX-D914-K...
  • Page 14: Overall Wiring Connection Diagram

    XDD3104- CN390 5/80 XDD3149 1/3, CN301 VIDEO 11/130 2/3, ASSY (XWZ3753) XDD3150 CN8017 13/110 KN8101 To Chassis XDD3151 REGULATOR ASSY 8/140 (XWZ3799) FM/AM TUNER DIGITAL IN CN1902 CN1901 UNIT* ASSY 5.1CH ASSY (AXX7172) (XWZ3773) (XWZ3760) * No schematic diagram VSX-D914-K...
  • Page 15 2.0mm WIRE TRAP KP200TA**L 2.0mm BOARD to BOARD KM200TA** 2.0mm BOARD to BOARD AKP7070, AKP7073 COMPONENT PRE-OUT 1.25mm BOARD to BOARD ASSY ASSY AKP7059, AKP7062 1.25mm BOARD to BOARD (XWZ3777) (XWZ3779) AC CODE SOCKET AC CODE CONNECTOR AC CORD ADG7024 VSX-D914-K...
  • Page 16: Main Assy (1/3)

    GDAC MICSW CN108 3-C6 52045-0545 INPUTATT TO FRONT V. & OPT & MIC ASSY GNDU V+5A NOTES: NO INDICATED PARTS IS..V-12 RESISTOR: RS1/16S***J-T, RS1/10S***J-T CEMICAL CAPASITOR: CEAT***M**-T,-TS CERAMIC CAPASITOR: CCSRCH****50-T GDAC CKSRYB****50-T (SQ):CKSQ.CCSQ : AUDIO SIGNAL FLOW CN804 VSX-D914-K...
  • Page 17: Main Assy

    GDAC V-12 (SW) C268 GDAC IC104 (2/2) 5600p C262 R264 R266 R268 IC106 (2/2) (SW) R278 C270 INSWA 3.3K 6.8K 2.2/50 2-B1 10/50 GDAC R272 R274 2.7K GDAC GDAC no use TO REGULATOR ASSY XKB3017 (FOR ANALOGUE LINES) uPC4570G2-TFB VSX-D914-K...
  • Page 18: Main Assy (2/3)

    Unit: k-kΩ, M-MΩ or Ω unless otherwise noted. Rated power: 1/10W unless otherwise noted. Tolerance: (J) ± 5% unless otherwise noted. 2.CAPACITORS Unit: p-pF or µF unless otherwise noted. Ratings: Capacity(µF)/Voltage(V) unless otherwise noted. Rated Voltage: 50V expect for electrolytic capacitors. JA:CEJA : AUDIO SIGNAL FLOW VSX-D914-K...
  • Page 19 C384 IC115 (1/2) V-12 uPC4570G2 C388 10/50 47/25 R392 Center,SB C386 FRONT, REAR 100p R327 R328 R363 R347 R348 GAIN(dB) R392 GAIN(dB) GAIN(dB) R372 (Ohm) (Ohm) (Ohm) V+12 14.1/24.1 8.2K 19.3 14.2/27.3 GNDA (2/2) IC115 uPC4570G2 GNDA V-12 GNDA VSX-D914-K...
  • Page 20: Main Assy (3/3)

    GNDU Tolerance: (J) ± 5% unless otherwise noted. 2.CAPACITORS Unit: p-pF or µF unless otherwise noted. Ratings: Capacity(µF)/Voltage(V) unless otherwise noted. Rated Voltage: 50V expect for electrolytic capacitors. : AUDIO SIGNAL FLOW CN802 TO REGULATOR ASSY (FOR FRONT CONTROL) VSX-D914-K...
  • Page 21 GNDU Q9002 D9013 DTA124EK-TLB V+12 1SS355 GNDU Q9005 Q9003 DTA124EK-TLB DTA124EK-TLB V-12 R9012 D9011 R9011 1SS355 LSSN C9000 STBY GNDU GNDU SWPR TO CORE ASSY (TO DSP CORE) FOR FLASH U-COM (proto type use only) GNDA0 GAV GNDT CN8012 VSX-D914-K...
  • Page 22: Dsp Assy (1/2)

    XTL0 MCKO2 L8202 24.576MHz R8209 stby OPT IN3 (R6:NC) XTL1 BICK R8221 R8216 stby GNDD SDTO GNDD GNDD OPT OUT GNDD V5D1 L8204 L8203 QTL1013 QTL1013 GNDD MCLK LCKI R8340 R8322 100k IEDO R8320 100k IEIT R8321 100k GNDD VSX-D914-K...
  • Page 23 C8008 C8013 CH 470p C8009 stby C8014 0.01 C8010 CN805 KN8501 stby VNF1084 YB 0.1 stby GNDD GNDD GDAC (DSP) (DSP) NOTES: NO INDICATED PARTS IS... CCSRCH****50-T CKSRYB****50-T CKSRYB333K16-T DSP ASSY CKSRYB104K16-T CKSRYB105K6R3-T (AWX1082) CEV***M**-T RS1/16S***J-T UNLESS OTHERWISE NOTED VSX-D914-K...
  • Page 24: Dsp Assy (2/2)

    R8518 4.7k PB13 PB10 GNDD YB 0.1 BCKO 96DTS R8519 LCKI GNDD BUSY 43 44 C8512 470p C8513 1394 LSSN R8526 GNDD R8809 GNDD D8501 1SS355 Q8503 GNDD UN5112 CN8012 Q8504 (2/2) 52045-1945 UMD2N Q8504 (1/2) UMD2N CN112 GNDD VSX-D914-K...
  • Page 25 BASIC MODEL NO USE C8550 AAC&96DTS NO USE R8541 MCACC YB 0.1 AAC&96DTS &MCACC C8551 X8501 VSS1171 CH470p 20MHz R8534 R8531 R8533 R8550 R8551 Q8501 BASIC 0Ω 0Ω IC8502 (3/3) MODEL TC7WU04FU DVD-A MCACC 0Ω 0Ω UN5212 GNDD 1394 VSX-D914-K...
  • Page 26: Amp & Primary (1/2), Trans2 And Trans3 Assys

    Umit: p-pF or µF unless otherwise noted. D675,676,677,678 MTZJ16A NO USED D602,604,681,682 NO USED Ratings:Capacity(µF)/Voltage(V) R675,676,677,678 4.7K unless otherwise noted. R616,618,688,689 NO USED NO USED Rated Voltage:50V except for /KUXJICA electrolytic capacitors. C751,752,755,761,762,771 0.1 BA 3.DIODES C753,754,756,763,764,772 NO USED Indicated in 1SS133-T D751,753,757 NO USED VSX-D914-K...
  • Page 27 DC OUTPUT DETECTOR NO. 491010 FOR IC604, IC605, IC606, AND IC607 MFD, BY LITTELFUSE INC. • NOTE FOR FUSE REPLACEMENT : AUDIO SIGNAL ROUTE FOR CONTINUED PROTECTION AGAINST RISK OF FIRE. CAUTION - REPLACE WITH SAME TYPE AND RATINGS ONLY. VSX-D914-K...
  • Page 28: Amp&Primary(1/2), Regulator, Amp Input And Trans1 Assys

    AC WUP KM200TA7 +12V AC RY SBOUT Stby5V SWOUT Q801 GNDA DTA124ES Q804 GNDU GNDA DTC114ES SWOUT SP-A RY SBOUT +12V GNDU SP-B RY Q803 HP.SW +12V DTA124ES Q806 R/C RY DTC114ES CN801 CN53 -12V 52045-2345 52045-2345 CN302 Q805 DTA124ES VSX-D914-K...
  • Page 29 U+5V REG.IC AC POWER CORD ADG7024 0.01 KN51 RCN1080 VNF1084 AMP&PRIMARY ASSY (VSX-D914 : XWZ3795) (VSX-D814 : XWZ3792) • NOTE FOR FUSE REPLACEMENT FOR CONTINUED PROTECTION AGAINST RISK OF FIRE. CAUTION - REPLACE WITH SAME TYPE AND RATINGS ONLY. VSX-D914-K...
  • Page 30: Video, 5.1Ch, B To B And S. Video Assys

    5.1CH ASSY (XWZ3760) 5ch IN BUFFER R331 C321 4.7/50 IC302(2/2) CN307 STBY GNDA IC302(1/2) STBY -12V CHASSIS (SW) C324 R334 4.7/50 +12V CN105 R337 (SL) GNDA C331 4.7/50 52044-0845 IC303(1/2) C1364 STBY IC303(2/2) 1000p STBY (SR) C332 R340 4.7/50 VSX-D914-K...
  • Page 31 R369 CN353(2/2) R372 AKP7020 C356 47/25 R361 R378 D354 TV/SAT 1SS355 D353 1SS355 D352 IC351 1SS355 NJM2595M D351 C358 R379 1SS355 47/25 C359 R380 CHASSIS R374 R357 R359 R360 R358 VCR1 CN352(3/3) AKP7043 VIDEO SIGNAL FLOW AUDIO SIGNAL FLOW VSX-D914-K...
  • Page 32: Front Display, R. Encoder, P. Sw&Func Key And F. Key Assys

    DISPCK D+5.6V DISPDI Stby+5.6V VSS1142 5MHz DISPDO GNDU DISPRDY GNDU D403 R402 52044-1745 1SS355 100k R404 D404 4.7k 1SS355 DISPEN Q484 2SA1037K(QR) SRIN R405 AVSS KEY4 D405 KEY3 1SS355 Q441 DTC124EK C416 STBY GNDU D401 L401 DAN202K LFEA2R2J 2.2u VSX-D914-K...
  • Page 33 S460 : TUNING + S469 BAND S461 : TUNING - S462 : STATION + S463 : STATION - S464 : TUNER EDIT S465 : CLASS S466 : FL DIMMER S467 : INPUT ATT S468 : MPX S476 : BAND VSX-D914-K...
  • Page 34: Trans4, H.p., Pre-Out, D. In, Component And F.opt & Mic Assys

    D+5V C1581 OPT2 JA1902 0.01 CN1575 STBY R1575 CN1902 R1902 52045-0745 B5B-PH-K-S CHASSIS GP1FA513TZ C1909 100p FRONT OPT C1902 **** R1586 SHLD F1901 DTF1607 R1903 STBY GNDD D+5V R1904 R1585 SHLD STBY KN1901 VNF1084 GAMP CHASSIS S T V VSX-D914-K...
  • Page 35: Component Assy

    Tolerance: (J) ± 5% unless otherwise noted. NO. 491.630 FOR IC891 AND IC892 2.CAPACITORS MFD, BY LITTELFUSE INC. Unit: p-pF or µF unless otherwise noted. Q R U Ratings: Capacity(µF)/Voltage(V) unless otherwise noted. Rated Voltage: 50V expect for electrolytic capacitors. VSX-D914-K...
  • Page 36: Pcb Connection Diagram

    REG +B W643 GNDA W644 C807 CN111 CN109 C801 W646 D +5V C802 CN302 W657 C804 CN803 W633 REG -B W743 W631 -12V W645 C806 W632 IC802 W634 REG +B C803 CN801 W611 +12V IC801 W610 CN53 HCI40HI KNIFE SPACE VSX-D914-K...
  • Page 37: Trans2, Trans3, Trans1 And Trans4 Assys

    SIDE A SIDE B POWER TRANSFORMER TRANS1 XWZ3807 TRANS2 ASSY REMPLACER LE IC LINKS COMME INDIQUE. DE CHEZ LITTELFUSE INC. (XNP3077-B) TRANS2 ATTENTION XWZ3811 SIDE A XWZ3832 BROWN BLUE PRIMARY (XNP3077-B) TRANS1 ASSY SIDE A D E H Q VSX-D914-K...
  • Page 38: Main Assy

    C9013 GNDA C322 C326 GNDA XWK3116 XWK3123 R328 R324 Q322 GNDA Q322 C324 R326 XWK3117 XWK3124 GNDA C139 XWK3118 XWK3125 GNDA GNDA XWK3119 XWK3148 XWK**** XWK3120 XWK3151 I.C.T. XWK**** XWK3121 XWK**** XWK3122 XWK**** CN106 CN108 CN107 CN254 CN952 CN901 VSX-D914-K...
  • Page 39 C218 C208 R322 R296 C205 R206 C133 R298 R207 C204 C322 C298 R299 C207 R204 C155 GNDA R205 R202 C203 C136 R203 C167 C165 Q322 R201 GDAC C135 C138 F.C. CN111 CN109 GNDA C137 CN109 CN111 (XNP3078-C) CN804 CN802 VSX-D914-K...
  • Page 40 Q5003 XNP307 C198 Q5004 R116 IC5001 C197 R115 Q386 GNDU Q9003 Q5009 Q5002 Q361 IC109 IC109 IC107 IC107 Q230 Q230 Q229 Q229 Q9001 Q231 Q231 Q232 Q232 Q9002 IC101 IC101 Q9007 Q168 Q168 Q167 Q167 GNDA C191 CN111 CN109 VSX-D914-K...
  • Page 41 GNDU DC. DET D9006 OL.DET D9008 B.DET/6OHM GNDA AMUTE Q9002 GNDA F.L. GNDA GNDA GNDA F.R. GNDA XWK3121 Q9007 GNDA GNDA XWK3148 XWK3122 XWK3151 XWK3118 XWK3123 XWK**** XWK**** XWK3119 XWK3116 XWK3124 XWK**** XWK**** XWK3117 XWK3120 XWK3125 XWK**** CN107 (XNP3078-C) VSX-D914-K...
  • Page 42: Dsp Assy

    4.4 DSP ASSY SIDE A SIDE A DSP ASSY (ANP2022-B) VSX-D914-K...
  • Page 43 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-D914-K...
  • Page 44: Amp & Primary And Amp Input Assys

    GNDA Q652 Q651 GNDA Q603 IC604 IC606 GNDA Q632 D677 GNDA R688 D678 C657 Q653 R678 R689 C607 IC603 W508 GNDA D682 C634 R631 W507 C684 IC601 W512 C658 IC602 W505 W509 IC602 W502 C631 W501 26 25 W504 VSX-D914-K...
  • Page 45 AS MARKED.MFD.BY D675 LITTELFUSE INC. R616 D752 D676 R618 D723 ATTENTION C608 C607 D604 C634 REMPLACER LE IC R676 R675 W512 IC601 D602 D721 LINKS COMME INDIQUE. KN601 DE CHEZ LITTELFUSE INC. D722 W513 W511 CN53 CN53 CN801 D724 (XNP3077-B) VSX-D914-K...
  • Page 46: Display, R. Encoder, P. Sw & Func Key, H. P. And F. Key Assys

    HCI40HI 5 TUNER LED 10 DVR LED 4 AUX LED 9 TV LED 3 F.A 8 DVD LED 2 GNDU 7 CD LED 1 F.AV POWER SW & (XNP3074-B) FUNCTION KEY XWZ3763 XWZ3764 S505 POWER M O P R VSX-D914-K...
  • Page 47 S454 S455 S451 (XNP3074-B) R.ENCODER XWZ3766 FRONT KEY ASSY XWZ3822 7 LED 6 ENTER 5 FENC A S512 4 FENC B 3 GNDU 2 VENC B 1 VENC A W291 W289 S511 ENTER HCI40HI D512 S513 R.ENCODER ASSY (XNP3074-B) VSX-D914-K...
  • Page 48 (VSB MODE) (LOUDNESS) DIRECT LOUDNESS SELECT (MIDNIGHT) (XNP3074-B) R.ENCODER XWZ3766 FRONT KEY ASSY XWZ3822 7 LED 6 ENTER 5 FENC A 4 FENC B 3 GNDU 2 VENC B 1 VENC A HCI40HI ENTER R.ENCODER ASSY (XNP3074-B) M N P VSX-D914-K...
  • Page 49 8 DVD LED 7 CD LED 6 CDR LED 5 TUNER LED Q1551 Q1551 4 AUX LED 3 F.A 2 GNDU 1 F.AV VIDEO DVR/VCR TV/SAT DVD/LD (DVR/VCR) (TV/SAT) (DVD 5.1) Q1552 Q1552 TUNER CDR/TAPE (AM) (FM) (XNP3074-B) HCI40HI (XNP3074-B) POWER VSX-D914-K...
  • Page 50: B To B, Digital In, Video And 5.1Ch Assys

    W169 4053A CN104 FURNITURE C338 SRIN SROUT CN803 SWDET C310 AMUTE Q302 CN302 Q302 Q301 Q301 CN301 CN301 (XNP3074-B) CN390 XWZ3780 XWZ3781 B TO B ASSY BOARD TO BOARD CN390 HCI40HI CN391 CN351 (XNP3074-B) CN551 I J K T VSX-D914-K...
  • Page 51 HCI40HI (XNP3074-B) CN1902 CN307 (XNP3074-B) VIDEO ASSY Q304 Q303 -12V IC301 C339 +12V SW OUT C340 SB OUT 4053INH 4053A FURNITURE SRIN SROUT SWDET AMUTE (XNP3074-B) CN301 CN390 XWZ3780 XWZ3781 B TO B ASSY (XNP3074-B) I J K T VSX-D914-K...
  • Page 52: S.video, F. Opt & Mic, Component And Pre-Out Assys

    (XNP3074-B) CN1575 CN604 TV/SAT VCR PLAY VCR REC MON1 S. VIDEO ASSY CN354 CN107 CN1902 CN354 (XNP3074-B) CN354 CN351 CN391 CN901 CN951 CN901 CN108 IC952 FRONT OPT & MIC ASSY (XNP3074-B) L S U V L S U V VSX-D914-K...
  • Page 53 R369 C375 R386 R365 R368 D353 R359 R366 R385 D354 D352 R358 R364 R362 R363 D351 R360 R367 (XNP3074-B) CN351 CN354 CN901 CN951 CN952 FRONT OPT & MIC ASSY IC951 (XNP3074-B) L S U V L S U V VSX-D914-K...
  • Page 54: Electrical Parts List

    CN108 5P CONNECTOR 52045-0545 Not used AMP & PRIMARY ASSY XWZ3792 and XWZ3795 are constructed the same except for the following : Mark Symbol and Description XWZ3795 XWZ3792 C701, C702 (5600/71V) XCH3015 Not used C701, C702 (4700/71V) Not used XCH3013 VSX-D914-K...
  • Page 55 RS1/16S333J Not used R965, R966 RS1/16S0R0J Not used CN952 CONNECTOR 5P 52045-0545 Not used JA952 JACK RKN1004 Not used • PARTS LIST FOR VSX-D914-K Mark No. Description Part No. Mark No. Description Part No. D9001-D9013 1SS355 COMPLEX ASSY D101, D102...
  • Page 56 CN8007 19P SOCKET AKP7073 IC8603 PD8116A JA8102 OPT. LINK IN GP1FA513RZB IC8101 TC74HCU04AF IC8701 TC74LVX244FT CN8017 10P CONNECTOR VKN1414 X8501 CRYSTAL RESONATOR VSS1171 IC8702 TC74VHCT244AFT (20 MHz) IC8503 TC7WH125FU X8201 CRYSTAL RESONATOR XSS3003 IC8502 TC7WU04FU (24.576 MHz) Q8504 UMD2N Q8503 UN5112 VSX-D914-K...
  • Page 57 C603, C604, C632, C653, C654 CKPUYB331K50 CAPACITORS C682 CKPUYB331K50 C811, C815 CEAT101M10 C55–C57 CKPUYF103Z25 C813 CEAT101M16 C751, C752, C755, C761, C762 CQMBA104J50 C801, C802 CEAT222M25 C771 CQMBA104J50 C809 CEAT472M16 C51, C52 (10000pF/250V(AC)) XCG3009 C808 CEHAT101M10 C703, C704 (3300/42V) XCH3012 VSX-D914-K...
  • Page 58: Video Assy

    COILS AND FILTERS RESISTORS L301–L306 CHIP SOLID INDUCTOR QTL1013 All Resistors RS1/16S###J CAPACITORS OTHERS C347 CCSRCH470J50 CN353 2-4P MINI DIN SOCKET AKP7020 C307–C310, C312, C314, C338 CEAT470M25 CN352 3-4P MINI DIN SOCKET AKP7043 C1360,C302, C379 CKSRYB103K50 CN354 CONNECTOR POST B5B-PH-K VSX-D914-K...
  • Page 59 All Resistors RS1/16S###J PRE-OUT ASSY CAPACITORS OTHERS C1581 CKSRYB103K50 511 CABLE HOLDER (7P) 51063-0705 RESISTORS All Resistors RS1/16S###J P. SW & FUNC. KEY ASSY SEMICONDUCTORS OTHERS D501–D508 SLI-343DCW CN1575 7P CONNECTOR 52045-0745 1575 PIN JACK(6P) XKB3033 SWITCHES AND RELAYS VSX-D914-K...
  • Page 60: Adjustment

    C965 CCSRCH330J50 C952, C959 CCSRCH471J50 C903, C905 CEAL470M25 C956, C958, C963, C966, C967 CEAT100M50 C908, C911, C914, C953, C957 CKSRYB103K50 C962 CKSRYB103K50 C904, C906, C909, C912, C951 CKSRYB104K25 C954 CKSRYB104K25 C907, C910, C913 CKSRYB471K50 RESISTORS All Resistors RS1/16S###J OTHERS VSX-D914-K...
  • Page 61: General Information

    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. Heat-sink caution in the disassembling : Because Heat-sink becomes hot, please pay attention. VSX-D914-K...
  • Page 62 AMP INPUT Assy FRONT OPT & MIC Assy TRANS 1 Assy TRANS 3 Assy TRANS 4 Assy R. ENCODER Assy FRONT DISPLAY Assy FRONT KEY Assy H.P. Assy P. SW & NOTE : This photograph is VSX-D914-K. FUNC. KEY Assy VSX-D914-K...
  • Page 63: Parts

    RY-AC Boad DET P76/TA3OUT P35/A13 HP DET P36/A14 MIC DET P75/TA2IN/W RY_A 1394 RST P74/TA2OUT/W P37/A15 RY_C/R 1394 CS P73/CTS2/RTS2/TA1IN/V P40/A16 RY_B 1394 CK P72/CLK2/TA1OUT/V P41/A17 AMUTE P71/RxD2/SCL P42/A18 GAIN_SEL 1394 DO /TA0IN/TB5IN 1394 DI P70/TXD2/SDA P43/A19 INPUT_ATT /TA0OUT VSX-D914-K...
  • Page 64 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-D914-K...
  • Page 65 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-D914-K...
  • Page 66 C-MOS P-CH FIP33/P41 FUNC VCR/DVR LED SR IN P02/T1 C-MOS P-CH FIP34/P42 FUNC TV/SAT LED AVSS P-CH FIP35/P43 FUNC DVD/LD LED FUNC CD LED KEY IN4 ANI3 COPM P-CH FIP36/P44 KEY IN3 ANI2 COMP P-CH FIP37/P45 FUNC CD-R/TAPE LED VSX-D914-K...
  • Page 67 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 VOLUME LED LED Output P50/FIP40 MCACC LED LED Output P47/FIP39 FUNC AUX LED Output P46/FIP38 FUNC TUNER LED Output VSX-D914-K...
  • Page 68 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-D914-K...
  • Page 69: Display

    ANALOG DTS MPEG Neo:6 ADV.SURR. MPEG LOUDNESS MONO • Grid Assignment SIGNAL AUTO DIGITAL VIR.SB DIRECT SLEEP 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-D914-K...
  • Page 70 6) Field of vision is a minimum of 21.8° from the lower side. • Anode Connection 9G-2G AUTO √ TUNED DIGITAL ANALOG DIGITAL (L) MPEG (L) MPEG (R) DIGITAL (R) PRO LOGIC ∏ Neo:6 VIR.SB ADV.SURR. DIRECT MIDNIGHT LOUDNESS SLEEP STEREO MONO VSX-D914-K...
  • Page 71: Explanation

    7.3 EXPLANATION 7.3.1 POWER ON AND OFF INITIAL TIMING CHART VSX-D914-K...
  • Page 72 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 E-VOLUME mute (BD3813) (DSPD56367) DIR/CODEC (AK4114/AK4628) SPEKER relay (port) OVERLOAD DETECT AMP ERROR DETECT VSX-D914-K...
  • Page 73: 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-D914-K...
  • Page 74: 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 VSX-D914-K...
  • Page 75: Amplifier System Protection Operation Specification

    When an overload is detected, A.MUTE* is turned on, speaker relay is turned off, then "OVERLOAD" 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-D914-K...
  • Page 76 However, when the following keys are pushed so that the key input of a line and the service can be carried out, power can be on. 1 TESTMODE ON (A55F+A55F) 2 When power off, push FRONT ENTER key + ADVANCED SURROUND key continuously 2sec. (Effective, only when power-off is carried out by DC detection) VSX-D914-K...
  • Page 77: Amplifier Failure Diagnosis Flow Chart

    • After identify the failure channel, check that each part is not damaged (resistor, diode... etc. value / open / short) 7.4 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 Cleaning paper : GED-008 VSX-D914-K...
  • Page 78: Panel Facilities

    MASTER VOLUME Remote sensor PHONES jack Receives the signals from the remote control. Use to connect headphones. When the head- MCACC indicator phones are connected, there is no sound Lights after MCACC setup. output from the speakers. VSX-D914-K...
  • Page 79: Rear Panel

    AC OUTLET ASSIGNABLE COAX DIGITAL IN MONITOR T V / FRONT S I N G L E (CD) D V D SEE INSTRUCTION 5.1CH MANUAL COAX INPUT WOOFER CD-R PREOUT (DVD / TAPE /LD) / MD S-VIDEO PLAY AUDIO VSX-D914-K...
  • Page 80 –10 dB and –0 dB. DIRECT Lights when source direct playback is selected. Direct playback bypasses the tone controls and channel levels for the most accu- rate reproduction of a source. VSX-D914-K...
  • Page 81: Remote Control

    CH RETURN DTV MENU AUDIO SUBTITLE Displays menus on a digital TV. RECEIVER CONTROL T. EDIT STANDRAD ADV. SURR STEREO SLEEP Press to memorize and name a station for MIDNIGHT/ recall. LOUDNESS TEST TONE LEVEL EFFECT SHIFT CH SELECT RECEIVER VSX-D914-K...
  • Page 82 Displays/changes the subtitles included in multilingual DVD-Video discs. Use to turn on/off the power of the TV. CH +/– TV VOL +/– Use to select channels when using a TV, Use to adjust the volume on your TV. VCR, DVR, etc. VSX-D914-K...
  • Page 83 13 RECEIVER Switches the remote to control the receiver (used to select the features above the number buttons (INPUT ATT, etc). Also use this button to set up surround sound. 14 MASTER VOLUME +/– Use to set the listening volume. VSX-D914-K...
  • Page 84 SERVICE PARTS • SR+ mini-plug cable (ADE7095) VSX-D914-K...

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