Pioneer VSX-918V-K Service Manual
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Pioneer VSX-918V-K Service Manual

Audio/video multi-channel receiver
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AUDIO/VIDEO MULTI-CHANNEL RECEIVER
VSX-918V-K
VSX-918V-S
VSX-818V-K
VSX-818V-S
THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S).
Model
Type
VSX-918V-K
MYSXJ5
VSX-918V-S
MYSXJ5
VSX-818V-K
MYSXJ5
VSX-818V-S
MYSXJ5
For details, refer to "Important Check Points for good servicing".
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
STANDBY / ON
INPUT
SELECTOR
Power Requirement
AC 220 V to 230 V
AC 220 V to 230 V
AC 220 V to 230 V
AC 220 V to 230 V
4-1, Meguro 1-chome, Meguro-ku, Tokyo 153-8654, Japan
2008
VSX-918V
AUDIO/VIDEO MULTI-CHANNEL RECEIVER
PHASE
ACOUSTIC
AUTO SURR /
CONTROL
EQ
STREAM DIRECT
PHASE
CONTROL
STEREO /
ADVANCED
A.L.C.
STANDARD
SURROUND
DIGITAL PRECISION
PROCESSING
DVD
TV
DVR
VIDEO/PORTABLE
CD
CD-R
iPod USB
FM
AM
AUX
iPod DIRECT
MCACC
VIDEO
L
AUDIO R
USB
PORTABLE
PHONES
SOUND
SIGNAL
RETRIEVER
VSB MODE
SPEAKERS
SELECT
VSX-918V-K
MASTER
VOLUME
ORDER NO.
RRV3736
Remarks
2008 Printed in Japan
T-ZZK MAR.

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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: 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 VSX-918V-K...

  • Page 4: Table Of Contents

    11.7 FRONT DISPLAY, ROTARY ENCODER, POWER KEY and JOG ASSYS ...............118 11.8 DIGITAL INPUT and FRONT VIDEO ASSYS ......................122 11.9 REGULATOR ASSY..............................123 11.10 VIDEO ASSY ................................124 11.11 FRONT IN ASSY..............................125 11.12 PRIMARY ASSY ..............................126 11.13 HDMI & DSP & USB ASSY.............................128 12. ELECTRICAL PARTS LIST .............................132 VSX-918V-K...

  • Page 5: Service Precautions

    4) Furthermore, check the output DC voltage of each channel of power pack IC601 and IC603 to limit the failure channel and identify the defect power pack. ↓ • After identify the failure channel, check that each part is not damaged (resistor, diode... etc. value / open / short) VSX-918V-K...

  • Page 6: Specifications

    “DTS 96/24” is a trademark of DTS, Inc. • Specifications and the design are subject to possible modifications without notice, Accessories due to improvements. Remote control (VSX-918V-K : XXD3166) AM loop antenna FM wire antenna AA size IEC R6 (VSX-918V-S : XXD3167) Microphone...

  • Page 7: Panel Facilities

    DIRECT USB terminal Use to change the speaker system Use to connect your Apple iPod as an audio and the impedance setting. source, or connect a USB audio 17 SIGNAL SELECT device for playback. Selects an input signal. VSX-918V-K...
  • Page 8 / BD IN WOOFER WOOFER FRONT SURROUND CENTER DVD5.1 PREOUT PREOUT PREOUT CH INPUT MONITOR / SAT / SAT IN / VCR OUT / VCR IN / VCR DIGITAL IN COAX (DVD / BD) ( ASSIGNABLE ) AUDIO VIDEO VSX-918V-K...
  • Page 9 Tuner indicators connected. / MONO Lights when the mono mode is set using the MPX button. HDMI indicator / STEREO Lights when a stereo FM broadcast is being received in auto stereo mode. VSX-918V-K...
  • Page 10 MULTI CONTROL buttons Press to select control of other components. SETUP Press to access the System Setup menu. Also functions as the SETUP TV CTRL , PORTABLE and CD-R buttons can be used with SHIFT button. button for DVD/DVR units. VSX-918V-K...
  • Page 11 TV/DTV Press to turn on/off other components Switches between the analog TV and DTV connected to the receiver. input modes for Pioneer flat screen TVs. 13 RECEIVER Switches the remote to control the receiver Number buttons and other component (used to select the green commands above the controls number buttons (SETUP, etc)).
  • Page 12 • If you connect to a Pioneer flat screen TV using an SR+ cable, you will need to point the remote control at the flat screen TV remote sensor to control the receiver. In this case, you won’t be able to control the receiver using the remote control if you switch the flat screen TV off.

  • Page 13: Basic Items For Service

    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 3.2 JIGS LIST Jigs list Name Jig No. Remarks Diagonosis 13P board to board extension jig GGD1483 cable 21P board to board extension jig GGD1485 Diagonosis cable VSX-918V-K...

  • Page 14: Pcb Locations

    XWZ4289 2..5.1CH INPUT ASSY XWZ4341 2..BIND ASSY XWZ4344 2..VIDEO ASSY XWZ4294 2..DIGITAL INPUT ASSY XWZ4299 1..MAIN ASSY XWK3363 2..FRONT VIDEO ASSY XWZ4300 2..PRIMARY ASSY XWZ4302 1..FRONT IN ASSY XWK3366 2..REGULATOR ASSY XWZ4317 1..FM/AM TUNER UNIT AXX7170 2..HEADPHONE ASSY XWZ4321 VSX-918V-K...
  • Page 15 2..POWER KEY ASSY XWZ4287 2..BIND ASSY XWZ4344 2..JOG ASSY XWZ4289 1..MAIN ASSY XWK3359 2..VIDEO ASSY XWZ4292 2..DIGITAL INPUT ASSY XWZ4299 1..FRONT IN ASSY XWK3366 2..FRONT VIDEO ASSY XWZ4300 2..PRIMARY ASSY XWZ4302 1..FM/AM TUNER UNIT AXX7170 2..REGULATOR ASSY XWZ4317 2..HEADPHONE ASSY XWZ4321 VSX-918V-K...

  • Page 16: Block Biagram

    1919 7/190 XDD3253 1908 19/170 DIGITAL 5.1CH INPUT ASSY INPUT ASSY (XWZ4299) (XWZ4341) VIDEO ASSY (VSX-918V : XWZ4294) (Note : No schematic diagram) 1912 WIRE INDICATION 5/280 E.g. 7/140 XDD3248 7: Number of contacts (pin) 140: Insulation length (mm) VSX-918V-K...
  • Page 17 The > mark found on some component parts indicates the importance of the safety factor of the part. Therefore, when replacing, be sure to use parts of identical designation. : The power supply is shown with the marked box. VSX-918V-K...

  • Page 18: Overall Wiring Connection Diagram (Vsx-818V)

    1919 7/190 XDD3259 1907 13/170 DIGITAL 5.1CH INPUT ASSY INPUT ASSY (XWZ4299) (XWZ4341) VIDEO ASSY (VSX-818V : XWZ4292) (Note : No schematic diagram) 1912 WIRE INDICATION 5/280 E.g. 7/140 XDD3248 7: Number of contacts (pin) 140: Insulation length (mm) VSX-918V-K...
  • Page 19 The > mark found on some component parts indicates the importance of the safety factor of the part. Therefore, when replacing, be sure to use parts of identical designation. : The power supply is shown with the marked box. VSX-918V-K...

  • Page 20: Block Diagram (Vsx-918V)

    CXB1444R SiI9013CLU (COMPO SEL) TRANSMITTER) TC74HC4052AF COMPONENT2 (HDMI (HDMI CABLE RECEIVER) HDMI EQ SW) IC552 (COMPO SEL) COMPONENT3 HDMI IC801 PEG118A IC861 FLASH TC74HC4052AF (HDMI uCom) HDMI & COMPONENT DSP & IC553 (DRIVER) USB ASSY NJM2581M To Sys uCom VSX-918V-K...
  • Page 21 Q631 9.5dB A. MUTE RY501 SP B POWER PACK ASSY 9.5dB PREOUT Q303 CN111 CN302 A. MUTE VIDEO ASSY CN310 IC301 NJM2595M (COMPOSITE SEL) TV/SAT DVD/LD CN901 CN301 VIDEO (Front) DVR REC IC851 (PDC132A) MONITOR IC302 NJM2243M (VIDEO/OSD SEL) VSX-918V-K...

  • Page 22: Block Diagram (Vsx-818V)

    INPUT ASSY SL/SR CN307 CN105 COMPONENT COMPONENT1 VIDEO ASSY HDMI IC551 IC101 IC102 (COMPO SEL) TC74HC4052AF CXB1444R TC7MB3253FK COMPONENT2 (HDMI SW) (DDC SW) HDMI IC552 (COMPO SEL) COMPONENT3 HDMI TC74HC4052AF COMPONENT CN1001 Main uCom IC553 HDMI ASSY (DRIVER) NJM2581M VSX-918V-K...
  • Page 23 Q631 9.5dB A. MUTE RY501 SP B POWER PACK ASSY 9.5dB PREOUT Q303 CN111 CN302 A. MUTE VIDEO ASSY CN310 IC301 NJM2595M (COMPOSITE SEL) TV/SAT DVD/LD CN901 CN301 VIDEO (Front) DVR REC IC851 (PDC132A) MONITOR IC302 NJM2243M (VIDEO/OSD SEL) VSX-918V-K...

  • Page 24: Dsp Block Diagram

    IC191 TC74VHC08 SPDIF VSX-918V only (4/4) (ODD) AWX9162,AWX8977 HDMI IC251 SERIAL ROM Block PDC172A8 PDC173A8 VSX-818V only VSX-918V only AWX9163 AWX9162 AWX9164 AWX8977 AWX8979 IC331 LEVEL Control in SHIFTER IC341, IC351 Telechips SPDIF LEVEL Control out SHIFTER (RX6) Block VSX-918V-K...

  • Page 25: Hdmi Block Diagram

    HDMI IN1 HDMI OUT TMDS TMDS JA301 IC102 TC7MB 3253FK DDC SW IC101 CXB1444R Main ucom I/F JA102 HDMI SW HPD_IN HDMI IN2 HPD_S SELA TMDS CN1001 SELB DDC SW Power Supply IC901 CN1002 IC911 HDMI ASSY 3.3V (VSX-818V) VSX-918V-K...

  • Page 26: Usb Block Diagram

    5 -> 3 USB_DAI USB_DAI TC74VHC08FTS IC401 IC351 3 -> 5 USB_DAO USB_DAO TC74VHCT541AFTS USB Host TCC8600 X’tal S/PDIF 12 MHz DSP part CP_RDY IC481 X’tal CP_DATA Apple 32.768 KHz CP_CK Certification IC V+3DU V+3DU IC461 IC462 SDRAM FLASH ROM VSX-918V-K...

  • Page 27: Diagnosis

    3 V into Replace IC351. Is the 5 V for input? Turn the power off and FFC securely insert the connectors inserted? securely. IC341 To Step 3 convert 3 V into Replace IC341. 5 V for input? To Step 5 VSX-918V-K...
  • Page 28 Replace IC101. DIRL (LR clock) IC101 (Pin 24) Is there a LR clock Replace IC101. output? (0 V ⇔ 3.3 V) DIRD (Data) IC101 (Pin 25) Is there Replace IC101. a data output? (0 V ⇔ 3.3 V) VSX-918V-K...
  • Page 29 At HDMI input 0 V? Check the path between IC161-pin 1 and microcomputer. Is the voltage of IC171-pin 1 Replace IC161. 5 V? Check the path between IC171-pin 1 and microcomputer. To Step 7-2 (AWX9162) Replace IC171. To Step 8 (AWX9163) VSX-918V-K...
  • Page 30 (0 V ⇔ 3.3 V) Is the output Replace IC201. 0 V fixing? To Step 10 Front L/R data IC201 (Pin 7) Is the output Replace IC201. 0 V fixing? To Step 9 (AWX9162) To Step 10 (AWX9163) VSX-918V-K...
  • Page 31 Replace IC301. a data output? Is the output Replace IC301. 2.5 V fixing? Front R out IC301 (Pin 28) Front R out IC301 (Pin 28) Is there Replace IC301. a data output? Is the output Replace IC301. 2.5 V fixing? VSX-918V-K...
  • Page 32 3 V into Replace IC351. Is the 5 V for input? Turn the power off and FFC securely insert the connectors inserted? securely. IC341 To Step 3 convert 3 V into Replace IC341. 5 V for input? To Step 5 VSX-918V-K...
  • Page 33 Surround L/R data IC201 (Pin 6) Is there Replace IC201. a data output? (0 V ⇔ 3.3 V) IC201 (Pin 7) Front L/R data Is there Replace IC201. a data output? (0 V ⇔ 3.3 V) To Step 9 VSX-918V-K...
  • Page 34 Surround R out IC301 (Pin 26) Is there Replace IC301. a data output? IC301 (Pin 27) Front L out Is there Replace IC301. a data output? Front R out IC301 (Pin 28) Is there Replace IC301. a data output? VSX-918V-K...
  • Page 35 Some media in MPEG4 can also be played back. As AAC supply to the USB module is restored. If overcurrent derives from MPEG4 codec, playback of media in AAC is no longer detected, the indications shown below are codec of MPEG4 is possible. displayed (normal indication): U S B VSX-918V-K...
  • Page 36 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 When a track does not exist in the selected i P o d category (8-digit) T r a c k [Procedure] T R A C K Select another category. VSX-918V-K...
  • Page 37 IC481 (pins 1, 40) Co-Processor between them. Check the parts and 3 V to 5 V Converter IC351 (pin 20) the voltage patterns in the path. 3.3 V ? Check the parts and the voltage patterns in the path. 5 V ? VSX-918V-K...
  • Page 38 Check the parts and Replace IC471. patterns in the path. CN401 (pin 1) USB Bus power Check the parts and the voltage patterns in the path. 5 V ? * VSX-918V (AWX8977) Power supply is OK. ** VSX-818V (AWX9164) To STEP 3 VSX-918V-K...
  • Page 39 DATA and ADDRESS lines turning the power between SDRAM (IC462), on and several seconds FLASH ROM (IC461) and IC401 later, does SDCLK change 12 MHz to 80 MHz? are may not be connected. Operation of IC401 is OK. To STEP 4 VSX-918V-K...
  • Page 40 Check the output from a SPDIF IC701 (pin 105) and R421. signal IC101 (pin 5) RX6 (S/PDIF) input for DIR Is there Check the parts and pattern a SPDIF between IC101 and CN401. signal Refer to the DSP troubleshooting. VSX-918V-K...
  • Page 41 Causes for no display or sound from the monitor Replace the HDMI cable. Replace the HDMI cable. Connect the source equipment (player) to the Sink equipment Repare the Receiver. (monitor) directly. Replace the Player. Repare the Player. Replace the Monitor. Repare the Monitor. VSX-918V-K...
  • Page 42 Switch the function that HDMI was assigned. Factory shipments setting: HDMI 1: DVD HDMI 2: TV * When connected the equipment to IN2; V+5R1 JA102 (Pin 18) To Step 2 Check the JA102. Is the voltage If JA102 is failure, replace JA102. 5 V? VSX-918V-K...
  • Page 43 If IC101 or JA101 is failure, when selecting replace IC101 or JA101. IN1? (0 to 5 V) Is the Check the IC101 and JA102. voltage 5 V If IC101 or JA102 is failure, when selecting replace IC101 or JA102. IN2? VSX-918V-K...
  • Page 44 If IC101 or JA102 is failure, when selecting replace IC101 or JA102. IN2? (0 to 5 V) Step 2-6: TMDS TMDS OUTPUT IC101 (Pins 25,26,28,29,31,32,34,35) Are there Check the IC101. signals(approx. 0.5 If IC101 is failure, replace IC101. Vp-p) in all lines? VSX-918V-K...

  • Page 45: Detection Circuit

    MAIN ASSY POWER PACK ASSY R727 IC9001 XPROTECT (U-P) XPROTECT Pin 89 (refer 4) XPROTECT Normal : +5 V Fan Stop DET. FAN abnormal Fan Stop STOP : 0 V Q253 R445 R438 Fan - Q252 Fan + +24V VSX-918V-K...
  • Page 46 2SA2005(E) MAIN ASSY IC9001 (U-P) XPROTECT Voltage supply to +12 V REGULATOR IC D+5.6V Q807(1/2) C801 2200 D801 D807 Q807(2/2) S1WB(A)60SD Q808(1/2) R807 R808 C802 Q808(2/2) R806 2200 C806 1/50 D806 MTZJ6.2B Voltage supply to -12 V REGULATOR IC VSX-918V-K...

  • Page 47: 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-918V-K...
  • Page 48 4. Fan stop detection operation flow in the XPROTECT detection If the fan is forcibly stopped or become out of order, the 'XPROTECT' port becomes "L". Then an abnormality of fan is detected. • Detection routine and recovery is same as "3. XPROTECT detection". VSX-918V-K...

  • Page 49: Service Mode

    6. SERVICE MODE There is no information to be shown in this chapter. VSX-918V-K...

  • Page 50: Disassembly

    GGD1485 (HDMI&DSP&USB CN2 <=> POWER PACK CN806) Connect the ground line. (HDMI&DSP&USB COAX terminal <=> Rear panel, One of the three HDMI terminals <=> Rear panel) Ground line HDMI&DSP&USB Assy Extension jig cable Extension jig cable (GGD1485) (GGD1483) Diagnosis VSX-918V-K...
  • Page 51 (DSP&USB CN2 <=> POWER PACK CN806) Connect the ground line. (DSP&USB COAX terminal <=> Rear panel) (HDMI One of the three HDMI terminals <=> Rear panel) DSP&USB Assy Ground line HDMI Assy Extension jig cable Extension jig cable Diagnosis (GGD1485) (GGD1483) VSX-918V-K...
  • Page 52 PRIMARY Assy Remove the two screws. Remove the one screw. Remove the push rivet. Rear view Remove the BIND Assy by removing the one screw. Remove the one screw. Release the binders, as required. Heatsink MAIN Assy Heatsink BIND Assy VSX-918V-K...
  • Page 53 TRANS Assys. Caution: During diagnosis, be sure NOT to remove the four screws marked A in the above photo. There is the case that a product does not work normally when removes these screws. One of the three terminals VSX-918V-K...
  • Page 54 Heatsink section in work becomes hot, and be careful with it. Remove the bonnet by removing the six screws. Remove the five screws. Remove the two screws. Unhook the two hooks. Remove the front panel section. Front panel section VSX-918V-K...

  • Page 55: Each Setting And Adjustment

    • Do NOT reconnect the USB flash memory which is saved the "player.rom" file. • Do NOT change the function setting or turn off the power during step 5 through 7. If you do, the updating is failed and it is required to replace the USB flash ROM on the USB module. VSX-918V-K...

  • Page 56: Exploded Views And Parts List

    Screws adjacent to mark on product are used for disassembly. For the applying amount of lubricants or glue, follow the instructions in this manual. (In the case of no amount instructions, apply as you think it appropriate.) 9.1 PACKING SECTION VSX-918V-K...
  • Page 57 Packing Case See Contrast table (2) Sub Pad XHA3179 NSP 15 DS Tape XEH3001 (2) CONTRAST TABLE VSX-918V-K/MYSXJ5, VSX-918V-S/MYSXJ5, VSX-818V-K/MYSXJ5 and VSX-818V-S/MYSXJ5 are constructed the same except for the following: VSX-918V-K/ VSX-918V-S/ VSX-818V-K/ VSX-818V-S/ Mark No. Symbol and Description MYSXJ5...

  • Page 58: Exterior Section

    9.2 EXTERIOR SECTION Refer to "9.3 REAR PANEL SECTION". VSX-918V Only Cleaning paper : GED-008 Refer to VSX-818V Only "9.4 FRONT PANEL SECTION". VSX-918V-K...
  • Page 59 NSP 23 Chassis 918 XNA3060 H/S Angle V3 XNG3145 NSP 25 H/Sink V5 XNH3048 (2) CONTRAST TABLE VSX-918V-K/MYSXJ5, VSX-918V-S/MYSXJ5, VSX-818V-K/MYSXJ5 and VSX-818V-S/MYSXJ5 are constructed the same except for the following: VSX-918V-K/ VSX-918V-S/ VSX-818V-K/ VSX-818V-S/ Mark No. Symbol and Description MYSXJ5...

  • Page 60: Rear Panel Section

    9.3 REAR PANEL SECTION MAIN CN105 TRANS 1 MAIN CN105 TRANS 2 MAIN CN1201 CN103 MAIN CN129 POWER PACK FRONT VIDEO CN803 CN901 VSX-918V-K...
  • Page 61 • • • • • Cord Stopper CM-22B • • • • • NSP 15 Binder (BK-1) ZCA-BK1 (2) CONTRAST TABLE VSX-918V-K/MYSXJ5, VSX-918V-S/MYSXJ5, VSX-818V-K/MYSXJ5 and VSX-818V-S/MYSXJ5 are constructed the same except for the following: VSX-918V-K/ VSX-918V-S/ VSX-818V-K/ VSX-818V-S/ Mark No. Symbol and Description...

  • Page 62: Front Panel Section

    9.4 FRONT PANEL SECTION POWER PACK CN702 MAIN CN101 VSX-918V Only (2/2) (1/2) HDMI&DSP&USB CN401 (VSX-918V) DSP&USB CN401 (VSX-818V) VIDEO CN354 MAIN CN107 VSX-918V-K...
  • Page 63 See Contrast table (2) VOL Knob V5 See Contrast table (2) STANDBY BTN Assy See Contrast table (2) (2) CONTRAST TABLE VSX-918V-K/MYSXJ5, VSX-918V-S/MYSXJ5, VSX-818V-K/MYSXJ5 and VSX-818V-S/MYSXJ5 are constructed the same except for the following: VSX-918V-K/ VSX-918V-S/ VSX-818V-K/ VSX-818V-S/ Mark No.

  • Page 64: Schematic Diagram

    GNDA DSPOL C140 FRONT R VIDEO R 10/50 B3B-PH-K-S GNDA CN122 (MIC) 9604S-09C MCACCSW MCACC MICOUT CN956 MICDET MICDET GNDA GDAC FRONTL GNDA FRONTR CHASSIS CN109 XKP3090 GNDA CN815 GNDA TO 5.1CH INPUT ASSY TO POWER PACK ASSY CN307 VSX-918V-K...
  • Page 65 : Audio Signal Route (Surround L ch) 3.9K 4.7K SWIN1 2.2/50 STBY STBY : Audio Signal Route (Center ch) R272 R274 (SBL) 2.7K : Audio Signal Route (Surround Back L ch) (SW) : Audio Signal Route (SubWoofer ch) GDAC VSX-918V-K...

  • Page 66: Main Assy (2/3)

    (SW) STBY (2/2) C368 STBY R550 (SBL) IC315 C384 R504 STBY C388 (SBL) (2/2) STBY STBY STBY R514 C386 STBY STBY C387 R515 C393 STBY (SBR) (SBR) C385 C389 R505 STBY STBY STBY C390 IC315 STBY STBY (1/2) STBY VSX-918V-K...
  • Page 67 D253 UDZS13(B) (SL) : Audio Signal Route (Surround L ch) D255 UDZS13(B) R280 : Audio Signal Route (Center ch) Q255 2SC4081(QR) (SBL) : Audio Signal Route (Surround Back L ch) R463 (SW) R464 : Audio Signal Route (SubWoofer ch) VSX-918V-K...

  • Page 68: Main Assy (3/3)

    Rated power: 1/16W unless otherwise noted. GNDA 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. TO POWER PACK ASSY : AUDIO SIGNAL FLOW CN816 VSX-918V-K...
  • Page 69 D9068 D9064 1SS355 DAP202U Q9065 Q9064 (1/2) UMD2N D9065 DAP202U GNDU GNDU TO HDMI+DSP+USB MODULE(918) TO DSP+USB MODULE(818,518/J) : Audio Signal Route (L ch) (SW) : Audio Signal Route (SubWoofer ch) 918,818,518/J ONLY FOR FLASH U-COM FOR FLASH U-COM VSX-918V-K...

  • Page 70: Dsp & Usb Assy (1/4)

    CM1/CDTI/SDA TP104 DIRDO3 GNDD DIF1/RX6 CM0/CDTO/CAD1 R107 DIRRST NC_AVSS2 IC101 AK4114VQ R106 TP116 OSC2 DIF2/RX7 TP112 DIR&DIT IPS1/IIC GNDD TP111 R105 ADDT P/SN DAUX R104 BICK XTL0 MCKO2 SDTO XTL1 R103 V5D1 V3D2 L102 L101 QTL1013-A QTL1013-A V3D3 GNDD VSX-918V-K...
  • Page 71 USBCTL S1MC TP193 V3D7 S2BC XFLAG TP194 TP186 S2DT *L191 TP195 USBDAI3 S2LR TP196 QTL1013-A TP187 S2MC USBDAO3 *IC191 TP197 (1/4) TC74VHC08FTS1 *IC191 *R191 (2/4) *R194 MCK1 *IC191 *R192 (3/4) *R195 MCK2 *IC191 *R193 (4/4) *R196 MCK3 *TP198 GNDD VSX-918V-K...

  • Page 72: Dsp & Usb Assy (2/4)

    C210 0.1u/10 0.1u/10 0.1u/10 IC261 (2/3) IC261 (1/3) TC7WHU04FU TC7WHU04FU V3DB L261 TP261 TP262 QTL1013-A R263 R213 C261 IC261 C211 470p/50 (3/3) TC7WHU04FU C212 X261 XSS3003-A C213 24.576MHz C262 R214 0.1u/10 R215 C263 V3DC IC262 GNDD OSC2 CN201 GNDD VSX-918V-K...
  • Page 73 LOUT2 C310 GNDA(DAG) DFS0 LOUT3 R310 R303 TP306 LSBD R309 470p/50 C309 GNDA(DAG) TP305 470p/50 R308 C308 GNDA(DAG) R307 GNDD TP304 SBRO V3DE V5A2 C307 R315 GNDA(DAG) TP303 SBLO TP301 R306 GNDD(USB) V+5D(USB) GNDD V5DU TP320 GNDDA R305 DIRRST VSX-918V-K...

  • Page 74: Dsp & Usb Assy (3/4)

    5V -> 3V 3V -> 5V Level shifter Level shifter for XM,USB for DSP,DIR,XM,USB V3DF V5D2 V5D3 R345 IC351 IC331 TC74VHCT541AFTS1 TC74VHC08FTS1 Q341 RT1N241M-TLB R336 GNDD GNDD GNDD 100k *R46 100k 100k 100k GNDD 100k GNDD *CN8 9604S-27C CN112 VSX-918V-K...
  • Page 75 TP11 GNDD V5DH V7DH VKN1374-A GNDDA V+7D(HDMI) GNDD GNDD TP61 V+5D(HDMI) GVCM V+5D(HDMI) GNDD TP60 UDZS5R6(B) GDAC GNDD V5DH GNDD GNDD (DIR) (XM) 0.01u/16 0.1u/10 1000p/50 V7DH 470p/50 470p/50 GNDD GDAC GNDD GDAC (DSP) (CODEC) (DIR) (CODEC) XKP3077-A CN805 VSX-918V-K...

  • Page 76: Dsp & Usb Assy (4/4)

    XA15T /CAS XD10T DQ10 RY/BY# XA16T /RAS XA18T XD2T SDCS XA17T XD9T XA13T XA7T XD1T XA14T XA6T XD8T XA10T A10/AP XA5T XD0T XA0T XA4T XA1T XA3T VSS1 XA2T XA2T FLCS XA3T XA1T XA0T C466 VDD3 VSS1 470p/50 GNDD GNDD VSX-918V-K...
  • Page 77 ON/OFF GNDD GNDD V+3DU V5DU Q401 IC403 V+3DU 2SA1577(QR) Q402 RT1N431M TP413 XD15T XD14T GNDD XD13T GNDD R452 USBPWR GNDD XD12T XD11T XD10T USBRST XD9T XD8T USBRST3 XA20T SDCLK GNDD SDCKE XA12T XA11T XA9T XA8T XA7T XA6T XA5T XA4T VSX-918V-K...

  • Page 78: Power Pack (1/2) And Trans2 Assys

    (GRBL) C782 C783 R788 STBY IC610 VNF1084 AEK7009 KN601 CHASSIS (1A) C686 C687 GNDA STBY 3p CH Q681 R687 R694 R682 R691 (SL) 0.22 IC603(3/3) ACN7094 F-DRIVE PAC015A (SL) (SL) R681 C683 1SS133 R690 Q683 D684 4.7/50 2SC2240 (GRBL) VSX-918V-K...
  • Page 79 REPLACE ONLY WITH SAME (SL) TYPE NO. AEK7009 FOR IC610 : Audio Signal Route (Surround L ch) MFD, BY LITTELFUSE INC. Q605,606,633,655,656,683, : Audio Signal Route (Center ch) F-DRIVE Q505: OVERLOAD DETECTOR Q696,697: DC OUTPUT DETECTOR : AUDIO SIGNAL ROUTE VSX-918V-K...

  • Page 80: Power Pack Assy (2/2)

    GDAC AD+5V V+5D2 W169 V+7D V+5A GNDA(DAG) GNDA(DAG) POWER PACK ASSY(2/2) GDAC V+5D V+5D GNDD DGRTN DGRTN V+5D1+12V DGRTN DGRTN GNDD V+5D W170 UGRTN CN805 XKP3066 -12V +12V CN302 GNDU (SW) GNDU SWOUT (SW) GNDA CN803 GNDA KM200TA6 -12V VSX-918V-K...
  • Page 81 VSX-818V Unit:k-kΩ,M-MΩ or Ω unless otherwise noted. Q801 Rated power:1/4W unless otherwise noted. Q802 Tolerance:(J)± 5% unless otherwise noted. 2.CAPACITORS Umit: p-pF or μF unless otherwise noted. Ratings:Capacity(μF)/Voltage(V) unless otherwise noted. Rated Voltage:50V except for electrolytic capacitors. (SW) GNDA VSX-918V-K...

  • Page 82: Component Video, 5.1Ch Input And Trans3 Assys

    Rated power: 1/16W unless otherwise noted. Tolerance: (J) 5% unless otherwise noted. (Cr) : Video Signal Route (Component Cr ch) 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. VSX-918V-K...
  • Page 83 TO MAIN ASSY (MAIN ASSY 2/3) DB932ND0 STBY CN251 DB932ND0 XDX3064 51048-0300 TRANS3 ASSY (XWZ4337) C406 470/35 CAUTION : FOR CONTINUED PROTECTION AGAINST RISK OF FIRE. REPLACE ONLY WITH SAME TYPE NO. AEK7008 MFD, BY LITTELFUSE INK. FOR IC357. VSX-918V-K...

  • Page 84: Front Display, Rotary Encoder, Power Key And Jog Assys

    1SS355 MICDET VSX-918V Only 1W_WUP MICDET R404 D404 GNDU 4.7k 1SS355 DISPEN Q484 CN402 2SA1576A(QR) SRIN 52492-0920 R405 AVSS KEY4 VSS0 KEY4 D405 KEY3 KEY3 R419 1SS355 Q441 R420 RT1N241M SCK1 R421 DRST RESET VPP(IC) STBY L401 LFCA2R2J 2.2u VSX-918V-K...
  • Page 85 S451 S463 S457 PE5550 DVD/LD SPEAKER VSG1024 VSG1024 VSG1024 S452 S464 S458 SIGNAL SEL VSG1024 VSG1024 VSG1024 S471 RETRIEVER PWRLED VSG1024 PWRLED JOG ASSY (XWZ4289) S512 GNDU FENA FENB XSX3009- GNDU CHASSIS D15A03-100-2651 MCACC LED CENTRE LED (ORANGE) (BLUE) VSX-918V-K...

  • Page 86: Digital Input, Regulator And Head Phone Assys

    Unit: k-kΩ, M-MΩ or Ω unless otherwise noted. Rated power: 1/16W 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. VSX-918V-K...
  • Page 87 HP L 47/50 HP G R1552 C1562 HP R 47/50 AMUTE HP SW GNDU 1551 R1556 R1555 51048-0600 4.7k 4.7k Q1551 Q1552 2SC5938A(AB) 2SC5938A(AB) XDX3065 HEAD PHONE ASSY KN1551 VNF1084 (XWZ4321) CHASSIS (FL) : Audio Signal Route (Front L ch) VSX-918V-K...

  • Page 88: Video, Primary And Front Video Assys

    C856 Xout C857 C851 SEPin BLANK 100/10 SEPout OSCin V+5_6VS C861 C858 0.047 SEPc OSCout SYNin CHARA R852 D359 C860 VDD1 1SS355 Q852 CVin 2SC4081(QR) 0.047 VSS2 R856 D360 CVout VDD2 1SS355 C864 100/10 TS V-5_6VS OSD BLOCK GAVS VSX-918V-K...
  • Page 89 Tolerance: (J) 5% unless otherwise noted. 2.CAPACITORS : Audio Signal Route (L ch) Unit: p-pF or μF unless otherwise noted. Ratings: Capacity(μF)/Voltage(V) unless otherwise noted. (SW) Rated Voltage: 50V expect for electrolytic capacitors. : Audio Signal Route (SubWoofer ch) VSX-918V-K...

  • Page 90: Front In Assy

    Unit: k-kΩ, M-MΩ or Ω unless otherwise noted. Rated power: 1/16W 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. VSX-918V-K...
  • Page 91 (1/2) NJM4565MD NJM4565MD R954 R961 R962 C968 100 10/50 R967 R959 CN956 CN956 9604S-09C 9604S-11C MCACC SW C964 C965 MICOUT MICSW R972 MIC AMP D951 GNDA UDZS5R1(B) FRONTL GNDA FRONTR STBY CN951 B5B-PH-K-S FRONT OPT SHIELD GNDD D+5V SHIELD VSX-918V-K...

  • Page 92: Hdmi & Dsp & Usb Assy (1/5)

    CM1/CDTI/SDA TP104 DIRDO3 GNDD CM0/CDTO/CAD1 DIF1/RX6 R107 DIRRST NC_AVSS2 IC101 AK4114VQ R106 TP116 OSC2 DIF2/RX7 TP112 DIR&DIT IPS1/IIC GNDD TP111 R105 DAUX ADDT P/SN BICK R104 MCKO2 XTL0 SDTO XTL1 R103 V5D1 V3D2 L102 L101 QTL1013-A QTL1013-A V3D3 GNDD VSX-918V-K...
  • Page 93 QTL1013-A S2MC IC191 TP197 TP182 (1/4) USBRST TC74VHC08FTS1 TP183 USBPWR TP184 USBCTL IC191 R191 (2/4) R194 TP185 MCK1 XFLAG TP186 USBDAI3 IC191 R192 TP187 (3/4) R195 USBDAO3 MCK2 TP188 WRTMOD3 TP189 IC191 R193 USBREQ (4/4) R196 MCK3 TP198 GNDD VSX-918V-K...

  • Page 94: Hdmi & Dsp & Usb Assy (2/5)

    0.1u/10 0.1u/10 0.1u/10 IC261 (2/3) IC261 (1/3) TC7WHU04FU TC7WHU04FU V3DB L261 TP261 TP262 QTL1013-A R263 R213 C261 C211 470p/50 C212 X261 XSS3003-A C213 24.576MHz C262 R214 0.1u/10 R215 C263 V3DC IC262 GNDD OSC2 OUTY 4 GND0 CN201 GNDD OSCU VSX-918V-K...
  • Page 95 ADDT C310 DFS0 LOUT3 R310 GNDA(DAG) R303 TP306 470p/50 LSBD R309 C309 GNDA(DAG) TP305 470p/50 R308 C308 GNDA(DAG) R307 GNDD TP304 V3DE V5A2 SBRO C307 R315 GNDA(DAG) TP303 TP301 R306 SBLO GNDD(USB) V+5D(USB) GNDD V5DU TP320 GNDDA R305 DIRRST VSX-918V-K...

  • Page 96: Hdmi & Dsp & Usb Assy (3/5)

    5V -> 3V 3V -> 5V Level shifter Level shifter for XM,USB for DSP,DIR,XM,USB V3DF V5D2 V5D3 R345 IC331 IC351 TC74VHC08FTS1 TC74VHCT541AFTS1 Q341 RT1N241M-TLB R336 GNDD GNDD GNDD 100k 100k 100k 100k 100k 100k GNDD 100k GNDD 9604S-35C CN112 VSX-918V-K...
  • Page 97 TP333 DSPDO3 TP332 1/5,2/5 V1R2 PQ1LAX95MSPQ PQ1LAX95MSPQ TP64 TP13 TP11 GNDD GNDDA TP61 GVCM TP60 UDZS5R6(B) GDAC GNDD GNDD GNDD (DIR) (XM) V5DH 0.01u/16 0.1u/10 470p/50 470p/50 1000p/50 GNDD GDAC GNDD GDAC V7DH (DSP) (CODEC) (DIR) (CODEC) XKP3077-A CN805 VSX-918V-K...

  • Page 98: Hdmi & Dsp & Usb Assy (4/5)

    XA15T /CAS XD10T DQ10 RY/BY# XA16T /RAS XA18T XD2T SDCS XA17T XD9T XA13T XA7T XD1T XA14T XA6T XD8T XA10T A10/AP XA5T XD0T XA0T XA4T XA1T XA3T VSS1 XA2T XA2T FLCS XA3T XA1T XA0T C466 VSS1 VDD3 470p/50 GNDD GNDD VSX-918V-K...
  • Page 99 VEF1040-A GNDD JH501 V+3DU V+3DU V5DU Q401 IC403 2SA1577(QR) XD15T Q402 RT1N431M TP413 XD14T XD13T GNDD GNDD XD12T R452 USBPWR GNDD XD11T XD10T XD9T USBRST XD8T USBRST3 XA20T SDCLK SDCKE XA12T GNDD XA11T XA9T XA8T XA7T XA6T XA5T XA4T VSX-918V-K...

  • Page 100: E 10.19 Hdmi & Dsp & Usb Assy (5/5)

    XD7R XA10R GNDD DQ14 GNDD XA9R XD6R XA8R DQ13 XA19R XD5R DQ12 XD4R TP529 RESET# R564 DQ11 XD3R WP#/ACC RYBY RY/BY# DQ10 XA18R XD2R XA17R XA7R XD1R XA6R XA5R XD0R XA4R XA3R TP530 VSS1 XA2R XA1R XA0R R563 GNDD VSX-918V-K...
  • Page 101 V+3DU USBH_D+R USBH_D-R C516 IC502 TP515 C512 C511 R514 GNDD GNDD X501 1.5VReg. TP528 33.8688MHz V+3DU V+1R5 IC503 VOUT GNDD GNDD ON/OFF GNDD GNDD MAIN 1/5,4/5 VSX-918V-K...

  • Page 102: Pcb Connection Diagram

    10 15 20 25 30 C221 IC401 R262R263 C265 IC401 C264 C222 L404 IC261 IC462 L261 IC261 IC462 X261 R463 R261 Q201 IC301 C261 C262 L251 R252 C266 R251 R265 IC251 R315 IC262 IC262 R307R308 C307C308 [[ G ]] A30C5/C7 R253 R254 CN112 VSX-918V-K...
  • Page 103 IC171 R301 L202 IC101 IC181 R303 C302 R226 C103 C128 C104 C109 R110 L103 IC301 C110 R104 D301 R309 R311 R313 R105 R310 R312 R108 R315 C315 R307R308 C310 C312 C307C308 C309 C311 C313 R253 R254 (ANP7635-A) CN805 CN806 VSX-918V-K...
  • Page 104 SIDE B HDMI ASSY (ANP7633-A) CN1002 CN1001 IC331 IC402 IC341 IC202 IC403 IC191 C124 IC351 C126 R149 C161 L122 C162 L161 R302 R112 Q471 C111 IC471 R162 IC161 IC161 C306 R305 R111 D302 R114 R103 C112 C321 IC461 VSX-918V-K...
  • Page 105 R214 R216 R338 R473 IC471 C306 R305 R337 D302 R220 R471 R334 R306 R351 C321 L341 R456 C322 R352 R209 R344 R455 C213 R212 R343 R257 R207 L351 R213 R256 R215 L201 R354 R353 IC461 C465 C464 C463 (ANP7635-A) VSX-918V-K...

  • Page 106: Main Assy

    C5014 R6002 4.DISP RST X5001 3.-VF C5016 2.FLAC 1 1.FLAC 2 Q9004 IC6001 CN106 D9070 R5012 R5004 R9056 IC5001 R5003 R5002 R9052 R9084 R5001 C5018 C5020 C5017 IC9003 C5025 R5020 R9085 (XNP3127-B) CN102 CN112 CN10 for FLASH (VSX-918V) (VSX-818V) VSX-918V-K...
  • Page 107 CN104 CONTACT SIDE C181 CN105 CN132 R313 CONTACT SIDE C123 R5004 R5003 R5002 CONTACT R5001 CN130 CONTACT CN103 SIDE C5025 SIDE CN129 C124 CN104 CN103 CN129 (VSX-918V) CN105 CN130 (VSX-818V) CN1001 FM/AM TUNER CN307 Unit CN303 (VSX-918V) CN304 (VSX-818V) VSX-918V-K...
  • Page 108 10.OSD_ON 9.SW DET 8.AMUTE 7.V3 6.V2 5.V1 4.OSD DT 3.OSD CLK 2.OSD CS 1.OSD RST R129 CN105 C198 CN104 CN103 CN132 XWK3355 XWK3357 XWK3359 XWK3360 XWK3356 XWK3358 XWK3361 CN130 R124 CN129 CN105 CN129 (VSX-918V) CN103 CN132 CN104 CN130 (VSX-818V) VSX-918V-K...
  • Page 109 1.FLAC 2 2.FLAC 1 3.-VF CN106 10.SRIN 4.DISP RST 11.SROUT 5.DISP CLK 6.DISP DI XWK3360 XWK3362 XWK3364 15.STBY+5V 7.DISP D0 12.RMC 8.DISP RDY 16.MIC DET 13.1W WP XWK3361 XWK3363 XWK3365 9.DISP EN 17.GNDU 14.GNDU (XNP3127-B) CN104 CN102 CN106 CN112 VSX-918V-K...

  • Page 110: Power Pack Assy

    W105 J602 C685 Q605 D783 W106 C609 R781 R611 CHASSIS W107 IC610 W108 W110 491001 R677 D681 R783 R637 R695 S.GND R699 word surface word surface R687 W111 IC603 W109 KN601 IC600 W100 GNDA PAC015A NOT U W101 S.GND VSX-918V-K...
  • Page 111 10.DSP SS W110 W114 11.BUSY 12.DSP HREQ R645 R637 W117 R664 13.DSP MODE D647 R699 D779 R630 14.DIR DO S.GND word surface word surface 15.DIR CS R675 W111 W115 W142 IC602 IC601 D602 W118 W126 NOT USED PAC014A (XNP3126-B) VSX-918V-K...
  • Page 112 3.DIR ERR Q652 4.DIR RST 5.DEC MUTE C614 CHASSIS 6.DSP DI 7.DSP DO 8.DSP CLK CHASSIS C662 9.DSP RST C664 10.DSP SS 11.BUSY 12.DSP HREQ C637 13.DSP MODE 14.DIR DO C657 C634 C658 15.DIR CS C608 R680 IC602 IC601 S.GND VSX-918V-K...
  • Page 113 R685 Q501 C778 C611 1.VH+ 2.VH- CHASSIS 3.S.GND 4.COUT+ 5.COUT- C783 C637 6.SBROUT- 7.SBROUT+ C607 C684 C657 8.NECK- C634 9.NECK+ 10.CIN+ C780 11.CIN- 12.STBY 13.SBRIN+ S.GND IC603 14.SBRIN- IC602 C686 15.SBLIN- 17.SBLOUT+ 16.SBLIN+ 18.SBLOUT- GNDA C687 R728 S.GND (XNP3126-B) VSX-918V-K...

  • Page 114: Trans2 And Trans3 Assys

    DREG IC852 REG B IC853 REG G REG B FL AC2 R1251 [[ G ]] CN701 FL AC1 C1251 AC RY W381 R1255 AC WUP CN1201 GNDU ST+5V IC851 R1256 W382 (XNP3126-B) SIDE B TRANS2 ASSY CN1201 SECONDARY (XNP3126-B) VSX-918V-K...
  • Page 115 SIDE A TRANS3 ASSY CN251 (XNP3126-B) POWER TRANSFORMER (T1501) SIDE B TRANS3 ASSY TRANS3 CAUTION XWZ4337 REPLACE IC LINKS AS MARKED. MFD.BY LITTELFUSE INC. R882 C881 C882 C883 SECONDARY C884 (XNP3126-B) VSX-918V-K...

  • Page 116: Component Video Assy

    5.VIDEO A 4.VIDEO B XWZ4339 3.V-5.6V 2.GNDV [[ G ]] 1.V+5.6V W337 IC552 GNDV W325 W323 IC551 W332 V+5.6V IC553 W322 GNDV W329 C574 W333 W330 W324 W331 W321 JA551 JA552 (XNP3126-B) SIDE B SIDE B COMPONENT VIDEO ASSY (XNP3126-B) VSX-918V-K...

  • Page 117: Ch Input And Head Phone Assys

    4.AG 5.SW 6.AG C1022 CN307 6.HP L CONTACT 5.HP G SIDE 4.HP R 3.AMUTE C1021 2.HP SW 1.GNDU KN1551 1551 (XNP3126-B) (XNP3125-B) CN307 CN702 CN105 SIDE B SIDE B 5.1CH INPUT ASSY HEAD PHONE ASSY CN307 1551 (XNP3126-B) (XNP3125-B) VSX-918V-K...

  • Page 118: Front Display, Rotary Encoder, Power Key And Jog Assys

    XWZ4283 XWZ4295 W118 XWZ4284 FRONT DISPLAY ASSY W101 XWZ4285 DVD/LD TV/SAT DVR/VCR FRONT V./A. R461 R460 S454 S459 S457 S456 S455 S460 S461 CDR/TAPE/MD TUNE- TUNE+ S458 S449 S448 S447 RETRIEVER SBch SIGNAL SPEAKERS SELECT S471 S450 S451 S452 VSX-918V-K...
  • Page 119 S507 S506 C403 W128 VDD1 W107 W118 W101 W106 W102 W105 VSS1 W139 R462 R463 W138 CN402 W103 VSS1 1.ENA S463 S461 S462 S464 2.ENB 3.GNDU 4.KEY 3 5.GNDU (XNP3125-B) S513 [[ G ]] R. ENCODER ASSY XWZ4286 (XNP3125-B) VSX-918V-K...
  • Page 120 (XNP3125-B) FRONT DISPLAY ASSY ROTARY ENCODER ASSY CN401 FLAC2 Q442 Q484 R412 R413 R414 R415 R404 VDD1 R416 VSS1 R430 C401 C402 VDD1 VDD1 VSS1 CN402 VSS1 1.ENA 2.ENB 3.GNDU 4.KEY 3 5.GNDU R.ENCODER XWZ4286 (XNP3125-B) H I K VSX-918V-K...
  • Page 121 1 KEY1 2 PWPON 3 GNDU (XNP3125-B) C482 C483 C484 C481 1.KEY1 2.PWRON 3.GNDU 1.GNDU 2.FENA 3.FENB R423 FRONT DISPLAY ASSY XWZ4283 XWZ4284 XWZ4285 XWZ4295 0 1 2 3 0 1 2 3 4 5 6 7 8 9 (XNP3125-B) VSX-918V-K...

  • Page 122: Digital Input And Front Video Assys

    2.D+5V XWZ4298 1.OPT1 XWZ4299 W390 5.FRONT V 4.GAV 3.FRONT L CONTACT 2.GNDA SIDE 1.FRONT R [[ G ]] JA1900 JA1902 JA1901 KN1902 JA902 (XNP3125-B) (XNP3125-B) SIDE B SIDE B FRONT VIDEO ASSY DIGITAL INPUT ASSY (XNP3125-B) CN901 CN1903 (XNP3125-B) VSX-918V-K...

  • Page 123: Regulator Assy

    GNDD W375 REGULATOR ASSY D814 W376 C806 C819 W373 [[ G ]] C816 C810 PRINTED PRINTED W372 PRINTED SIDE PRINTED PRINTED SIDE SIDE IC801 IC802 SIDE IC807 SIDE IC809 IC808 (XNP3125-B) SIDE B SIDE B REGULATOR ASSY (XNP3125-B) CN800 VSX-918V-K...

  • Page 124: Video Assy

    W324 JA351 W349 W327 W354 W346 W361 W325 -5.6V CN354 CONTACT SIDE CN305 CN310 CN303 JA352 CONTACT CN304 SIDE CN310 CN303 CN304 (XNP3125-B) (VSX-918V) (VSX-818V) CN551 CN129 CN130 SIDE B SIDE B VIDEO ASSY CN310 CN304 C313 (XNP3125-B) CN302 VSX-918V-K...

  • Page 125: Front In Assy

    GNDA MICSW MICOUT MCACC SW C958 R953 C956 JA954 JA952 CN953 CN953 IC952 GNDD R987 GNDD V5 USB C970 V5 USB L970 PRODUCTION CODE FRT OPT SHIELD FRT OPT GNDD SHIELD D+5V GNDD CN951 SHIELD D+5V SHIELD (XNP3128-A) (XNP3128-A) VSX-918V-K...

  • Page 126: Primary Assy

    /F ONLY W286 W284 W282 W289 PRIMARY W293 W288 W281 W294 W280 W682 W680 RISK OF CN51 FIRE -REPLACE FUSE AS MARKED KN51 IC52 SECONDARY W275 PRIMARY ASSY W276 XWZ4301 XWZ4302 [[ G ]] XWZ4303 XWZ4304 CN1201 XWZ4305 XWZ4306 (XNP3125-B) VSX-918V-K...
  • Page 127 SIDE B SIDE B PRIMARY ASSY NEUTRAL LIVE PRIMARY RISK OF FIRE -REPLACE FUSE AS MARKED 4.STBY5V 3.AC_WUP 2.AC_RY 1.GNDU SECONDARY PRIMARY ASSY XWZ4301 XWZ4302 XWZ4303 XWZ4304 XWZ4305 XWZ4306 (XNP3125-B) VSX-918V-K...

  • Page 128: Hdmi & Dsp & Usb Assy

    C219 R219 Q402 C221 R262 R263 C265 R431 C437 C264 C222 R432 L261 IC261 X261 R261 IC261 IC561 C503 C261 IC561 Q201 C501 C262 L251 R252 IC301 L501 C266 R251 R265 IC262 IC262 L561 R561 IC251 R253 R254 CN112 VSX-918V-K...
  • Page 129 C103 R225 C221 C104 C109 C222 R110 R261 L103 C261 IC301 C110 C262 R104 L251 D301 R252 R309 R313 R311 R105 R310 R312 R108 R315 C315 R307 R308 C310 C312 C307C308 C309 C311 C313 R253 R254 (ANP7636-A) CN806 CN805 VSX-918V-K...
  • Page 130 R784 IC341 Q752 C715 C703 IC202 R705 R704 C772 R785 C125 R127 IC402 IC191 C124 IC351 C126 R149 C161 L122 C162 L161 R302 R112 L301 C111 IC403 IC161 R162 IC161 C306 R305 D302 R111 R103 R306 R114 C321 C112 VSX-918V-K...
  • Page 131 R510 R205 C212 R509 C211 L331 R222 R338 L301 R214 R337 IC403 R216 C306 R305 R220 R334 R306 R351 L341 C322 R352 R209 R344 C213 R212 R343 R207 R257 L351 R213 R215 R256 L201 R354 R353 R563 R562 (ANP7636-A) VSX-918V-K...

  • Page 132: Electrical Parts List

    Not used 9604S-07C CN112 FFC Connector 9604S-35C CKS3392 CN129 19P FFC Connector 9604S-19C Not used R9024, R9063 RS1/16S103J Not used R9025 RS1/16S332J RS1/16S562J R9026 Not used RS1/16S103J R9027, R9029 RS1/16S221J Not used R9097 Not used RS1/16S0R0J R9098 RS1/16S0R0J Not used VSX-918V-K...

  • Page 133: Front Display Assy

    Q 252 (A,65,105) TRANSISTOR 2SD1858X D 332 (B,271,91) DIODE UDZS6R8(B) Q 253 (A,53,99) TRANSISTOR RT1N241M D 6001 (A,146,21) DIODE 1SS355 Q 254 (B,61,103) DIGITAL TR(SC-70) RT1P241M D 9006 (B,99,89) DIODE DAN217U Q 255 (A,61,99) TRANSISTOR 2SC4081 D 9007 (B,91,89) DIODE DAN217U VSX-918V-K...
  • Page 134 R 149 (B,263,57) RS1/16S104J R 445 (A,55,101) RS1/16S223J R 180 (B,278,97) RS1/16S0R0J R 447 (A,65,96) RS1/16S472J R 181 (B,273,78) RS1/16S0R0J R 448 (A,70,113) RS1/16S104J R 182 (B,275,75) RS1/16S0R0J R 449 (A,65,113) RS1/16S822J R 183 (B,276,67) RS1/16S0R0J R 452 (A,153,44) RS1/16S0R0J VSX-918V-K...
  • Page 135 R 9029 (A,82,62) RS1/16S221J C 131 (A,280,87) CEAT100M50 C 132 (A,280,80) CEAT100M50 R 9030 (A,68,79) RS1/16S470J R 9031 (A,65,54) RS1/16S104J C 133 (A,280,74) CEAT100M50 R 9032 (A,62,53) RS1/16S104J C 134 (A,280,67) CEAT100M50 R 9033 (B,89,48) RS1/16S104J C 135 (A,280,114) CEAT100M50 VSX-918V-K...
  • Page 136 CEAT101M25 IC 251 PDC172A8 C 256 (A,135,84) CKSRYB103K50 IC 261 TC7WHU04FU C 261 (A,183,54) CEAT2R2M50 IC 271 ML87V5002 C 262 (A,183,62) CEAT2R2M50 IC 301 AK4626AVQ IC 351 TC74VHCT541AFTS1 C 264 (A,191,59) CCSRCH331J50 C 265 (A,194,53) CCSRCH331J50 IC 401 TCC8600-00X-EA-UG VSX-918V-K...
  • Page 137 2SC5938A Q 602 (B,224,43) TRANSISTOR 2SC5938A CAPACITORS Q 605 (A,123,40) TRANSISTOR 2SC2240 C 7,107,321,322 CKSSYB102K50 Q 606 (A,252,40) TRANSISTOR 2SC2240 C 9,113,220,301 CKSSYB103K16 Q 652 (B,219,37) TRANSISTOR 2SC5938A C 10,12,203,209 CKSSYB471K50 C 11,102,105,106 CKSSYB104K10 Q 656 (A,244,47) TRANSISTOR 2SC2240 VSX-918V-K...
  • Page 138 R 691 (A,55,55) RESISTOR (0.22, 5W) ACN7094 L 753 (A,120,107) COIL ATH1004 R 692 (A,70,72) RD1/4PU182J L 761 (A,130,108) COIL ATH1004 R 693 (A,67,77) RD1/4PU821J L 762 (A,142,108) COIL ATH1004 R 694 (A,62,72) RD1/4PU223J 11P PARALLEL WIRE XDX3066 R 696 (B,281,38) RS1/16S103J VSX-918V-K...
  • Page 139 R 901 (B,210,98) RS1/16S100J R 1101 (B,273,68) RS1/16S0R0J C 784 (A,110,48) CEANP2R2M50 R 1102 (B,274,61) RS1/16S0R0J C 801 (A,248,114) ELECT. CAPACITOR CEAT222M25 R 1109 (B,285,58) RS1/16S0R0J C 802 (A,249,100) ELECT. CAPACITOR CEAT222M25 C 806 (B,281,53) CKSRYB105K16 CAPACITORS C 807 (B,233,89) CKSRYB103K25 VSX-918V-K...
  • Page 140 Q 442 (B,238,190) TRANSISTOR RT1N241M C 568 (B,204,186) CKSRYB103K50 Q 484 (B,215,190) TRANSISTOR 2SA1576A C 569 (B,246,216) CKSRYB473K50 D 403 (B,226,189) DIODE 1SS355 C 570 (B,233,208) CKSRYB473K50 C 571 (B,254,213) CKSRYB473K50 D 404 (B,235,168) DIODE 1SS355 D 405 (B,230,156) DIODE 1SS355 VSX-918V-K...
  • Page 141 RS1/16S104J 511 (A,257,183) CABLE HOLDER(5P) 51063-0505 R 425 (B,206,185) RS1/16S104J R 448 (B,87,114) RS1/16S681J RESISTORS R 503 (B,275,224) RS1/16S681J R 449 (B,69,114) RS1/16S821J R 504 (B,294,224) RS1/16S821J R 450 (B,58,102) RS1/16S122J R 505 (B,301,219) RS1/16S122J R 451 (B,69,93) RS1/16S162J VSX-918V-K...

  • Page 142: Digital Input Assy

    L 303 (B,26,13) CHIP SOLID INDUCTOR QTL1013 C 803 (B,147,97) CKSRYB103K25 L 304 (B,26,15) CHIP SOLID INDUCTOR QTL1013 C 804 (B,166,97) CKSRYB103K25 L 305 (B,21,23) CHIP SOLID INDUCTOR QTL1013 C 805 (A,147,105) CEJQ101M16 C 806 (A,159,99) CEAT101M16 L 306 (B,72,10) CHIP SOLID INDUCTOR QTL1013 VSX-918V-K...
  • Page 143 C 57 (A,314,21) CKPUYF103Z25 C 333 (B,22,77) CKSRYB331K50 C 338 (A,60,38) CEAT101M16 FRONT VIDEO ASSY C 339 (B,37,24) CKSRYB104K25 C 340 (B,56,37) CKSRYB104K25 MISCELLANEOUS C 347 (B,56,22) CCSRCH470J50 JA 902 (A,167,224) 3P PIN JACK XKB3063 C 350 (A,38,80) CEAT101M16 VSX-918V-K...
  • Page 144 R 979 (B,61,33) RS1/16S0R0J Q 751 UMB1N R 980 (B,61,42) RS1/16S0R0J Q 752 DTC114YUA R 981 (A,69,68) RS1/16S223J D 1,21 UDZS5R6(B) R 982 (A,69,65) RS1/16S103J D 61 RB551V-30 R 984 (A,54,60) RS1/16S103J D 71 D1FM3 CAPACITORS D 301 MA152WA VSX-918V-K...
  • Page 145 R 191-193 RS1/16S101J C 422 CCSRCH331J50 R 203 RAB4CQ103J C 432,434,454,461 CKSSYB104K10 R 279,317,353,354 RAB4CQ101J C 433,435,436 CKSSYB471K50 R 306 RS1/16S4R7J C 442,861,873 CKSRYB104K16 R 488 RS1/16SS1003F C 451,457 CKSQYB105K10 R 607-610,621-625 RS1/16S0R0J C 462-464,466,468 CKSSYB471K50 R 612 RS1/16SS4701F VSX-918V-K...
  • Page 146 Other Resistors RS1/16S###J CAPACITORS C 101,102,104-111 CKSRYB104K16 C 103 CEVW101M16 C 113-115,351,911 CKSRYB104K16 C 121 CKSSYB104K10 C 901 CKSRYB105K16 C 902 CCSRCH471J50 C 903,913 CKSQYB225K10 C 912 CKSRYB103K50 C 1001,1011 CKSRYB104K16 C 1002 DCH1201 C 1012 CKSRYB102K50 C 1013 CCSRCH101J50 VSX-918V-K...

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