Pioneer VSX-418-K Service Manual
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Pioneer VSX-418-K Service Manual

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AUDIO/VIDEO MULTI-CHANNEL RECEIVER
VSX-418-K
VSX-418-S
THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S).
Model
Type
VSX-418-K
MYSXJ5
VSX-418-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
4-1, Meguro 1-chome, Meguro-ku, Tokyo 153-8654, Japan
2008
VSX-418
AUDIO/VIDEO MULTI-CHANNEL RECEIVER
PHASE
DIALOGUE
AUTO SURR /
CONTROL
ENHANCEMENT
STREAM DIRECT
PHASE
CONTROL
STEREO /
ADVANCED
A.L.C.
STANDARD
SURROUND
DVD
DVD 5.1
TV
DVR
CD
CD-R
FM
AM
PORTABLE
SLEEP
PHONES
SOUND
MIDNIGHT/
SIGNAL
RETRIEVER
VSB MODE
LOUDNESS
SELECT
PORTABLE
VSX-418-K
MASTER
VOLUME
ORDER NO.
RRV3737
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-418-K...

  • Page 4: Table Of Contents

    11.5 5.1CH INPUT and HEAD PHONE ASSYS .........................72 11.6 FRONT MINI JACK ASSY............................73 11.7 FRONT DISPLAY, ROTARY ENCODER, POWER KEY and JOG ASSYS ..............74 11.8 DIGITAL INPUT ASSY ..............................78 11.9 REGULATOR ASSY..............................79 11.10 PRIMARY ASSY ...............................80 11.11 VIDEO ASSY ................................82 12. ELECTRICAL PARTS LIST ...............................83 VSX-418-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-418-K...

  • Page 6: Specifications

    Crosstalk......50 dB and “DTS 96/24” is a trademark of DTS, Inc. Accessories Remote control (VSX-418-K : XXD3169) AM loop antenna FM wire antenna AA size IEC R6...

  • Page 7: Panel Facilities

    15 PHASE CONTROL Press to switch on/off Phase Control. PHONES jack Use to connect headphones (when connected, DIALOGUE ENHANCEMENT there is no sound output from the speakers). Use to make dialog stand out when watching TV or a movie. VSX-418-K...
  • Page 8 / BD IN WOOFER DVD5.1 PREOUT CH INPUT MONITOR / SAT / SAT IN ( ASSIGNABLE ) DIGITAL IN COAX / VCR IN / VCR OUT ( DVR/ VCR ) / VCR COAX ( DVD / BD ) AUDIO VIDEO VSX-418-K...
  • Page 9 Lights when the Auto Surround feature is switched on. LOUDNESS Lights during Loudness listening. Lights when ANALOG ATTis used to attenuate 19 Master volume level (reduce) the level of the analog input signal. SLEEP Lights when the receiver is in sleep mode. VSX-418-K...
  • Page 10 Displays the disc ‘top’ menu of a DVD. Use to select the input source (use SHIFT for ONE TOUCH COPY* INPUT SELECT Copies the currently playing title from DVD RECEIVER to HDD or vice-versa. Switches the receiver between standby and on. VSX-418-K...
  • Page 11 REC* Starts recording. SOURCE * Stops recording. REC STOP Turns on or off the power of the Pioneer DVD/ Displays/changes the subtitles on SUBTITLE DVR units when DVD or DVR is selected using multilingual DVD-Video discs. the MULTI CONTROL buttons.

  • Page 12: Basic Items For Service

    Too dark Volume fluctuating Too bright Sound interrupted Mottled color 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-418-K...

  • Page 13: Pcb Locations

    XWZ4341 2..POWER KEY ASSY XWZ4287 2..JOG ASSY XWZ4289 2..BIND ASSY XWZ4344 2..VIDEO ASSY XWZ4291 1..MAIN ASSY XWK3356 2..FRONT MINI JACK ASSY XWZ4296 2..DIGITAL INPUT ASSY XWZ4298 1..FM/AM TUNER UNIT AXX7170 2..PRIMARY ASSY XWZ4302 2..REGULATOR ASSY XWZ4315 2..HEADPHONE ASSY XWZ4321 VSX-418-K...

  • Page 14: Block Biagram

    XDD3235 1919 7/190 XDD3259 1907 13/170 CN603 DIGITAL 5.1CH INPUT ASSY INPUT ASSY (XWZ4298) (XWZ4341) VIDEO ASSY (XWZ4291) (Note : No schematic diagram) WIRE INDICATION 1912 5/280 E.g. 7/140 XDD3248 7: Number of contacts (pin) 140: Insulation length (mm) VSX-418-K...
  • Page 15 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-418-K...

  • Page 16: Block Diagram

    (FL/FR) (CODEC) CD-R OUT (ADC) (DAC) VCR/DVR OUT IC103 (SL/SR) AK4114VQ (DIR) IC104 COAX1 IC104 DSPC56371AF180 COAX2 (SW) DSP IC (for DECODE) CN701 CN109 NJM4565 CN1903 CN603 OPT1 DIGITAL INPUT ASSY DSP ASSY 5.1CH INPUT ASSY SL/SR CN307 CN105 VSX-418-K...
  • Page 17 SL/SR 9.5dB A. MUTE IC603 (1/3) RY753 30dB Q631 9.5dB A. MUTE CN111 CN302 PREOUT Q303 9.5dB A. MUTE CN310 IC301 NJM2595M (COMPOSITE SEL) TV/SAT DVD/LD STBY DVR REC IC851 R299 (PDC132A) MONITOR IC302 NJM2243M (VIDEO/OSD SEL) VIDEO ASSY VSX-418-K...

  • Page 18: Dsp Block Diagram

    PDC152A8 for AWX8812, AWX8805, AWX8806 AWX8980 only AWX8805, AWX8809 only IC953 Analog 8ch OUT 6ch OUT(AWX8980 only) LEVEL IC902 IC901 SHIFTER Control in PQ1LAX95MSPQ PQ1LAX95MSPQ TC74VHC08 1.25V 3.3V IC951 IC952 Control out Control out LEVEL LEVEL SHIFTER SHIFTER TC74VHCT08 TC74VHCT541 VSX-418-K...

  • Page 19: Diagnosis

    Replace IC952. 5 V for pin 4 5 V to 5.3 V REGULATOR assy. input? input? IC952 (pin 15) convert 3 V into Replace IC952. 5 V for pin 5 input? Part shape and Pin arrangement of IC901 and IC902 VSX-418-K...
  • Page 20 (0 V <-> 3.3 V) Check the other assy. a 24.576 MHz Replace IC802. (surrounding of the output? microcomputer) To Step 6 Replace IC601. LRCK (LR clock) IC601 (pin 24) Is there a LR clock Replace IC601. output? (0 V <-> 3.3 V) VSX-418-K...
  • Page 21 Is the output Replace IC801. 0 V fixing? IC801 (pin 6) Surround L/R data Is the output Replace IC801. 0 V fixing? Front L/R data IC801 (pin 7) Is the output Replace IC801. 0 V fixing? To Step 8 VSX-418-K...
  • Page 22 Is the output Replace IC701. Replace IC701. a data output? 2.5 V fixing? Front R out Front R out IC701 (pin 28) IC701 (pin 28) Is there Is the output Replace IC701. Replace IC701. a data output? 2.5 V fixing? VSX-418-K...

  • Page 23: 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-418-K...
  • Page 24 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-418-K...

  • Page 25: 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-418-K...

  • Page 26: Service Mode

    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". 6. SERVICE MODE There is no information to be shown in this chapter. VSX-418-K...

  • Page 27: Disassembly

    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-418-K...
  • Page 28 Diagnosis not to damage the TRANS Assys. Caution: During diagnosis, be sure NOT to remove the three screws marked A in the above photo. There is the case that a product does not work normally when removes these screws. VSX-418-K...

  • Page 29: Each Setting And Adjustment

    Remove the bonnet by removing the six screws. Remove the four screws. Remove the two screws. Unhook the two hooks. Remove the front panel section. Front panel section 8. EACH SETTING AND ADJUSTMENT There is no information to be shown in this chapter. VSX-418-K...

  • Page 30: 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-418-K...
  • Page 31 Z21-038 Operating Instructions XRC3332 (0.03 x 230 x 340) (Russian) Packing Sheet AHG7069 (2) CONTRAST TABLE VSX-418-K/MYSXJ5 and VSX-418-S/MYSXJ5 are constructed the same except for the following: VSX-418-K/ VSX-418-S/ Mark No. Symbol and Description MYSXJ5 MYSXJ5 6 Remote Control XXD3169...

  • Page 32: Exterior Section

    9.2 EXTERIOR SECTION Refer to "9.3 REAR PANEL SECTION". Cleaning paper : GED-008 Refer to "9.4 FRONT PANEL SECTION". VSX-418-K...
  • Page 33 NSP 23 Chassis 918 XNA3060 H/S Angle V3 XNG3145 NSP 25 H/Sink V5 XNH3048 (2) CONTRAST TABLE VSX-418-K/MYSXJ5 and VSX-418-S/MYSXJ5 are constructed the same except for the following: VSX-418-K/ VSX-418-S/ Mark No. Symbol and Description MYSXJ5 MYSXJ5 31 Bonnet XZN3196...

  • Page 34: 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-418-K...
  • Page 35 AC Power Cord VDG1080 NSP 20 Fuse Card AAX7493 7P Flexible Cable (J1913) XDD3254 (2) CONTRAST TABLE VSX-418-K/MYSXJ5 and VSX-418-S/MYSXJ5 are constructed the same except for the following: VSX-418-K/ VSX-418-S/ Mark No. Symbol and Description MYSXJ5 MYSXJ5 11 R Panel...

  • Page 36: Front Panel Section

    9.4 FRONT PANEL SECTION POWER PACK CN702 MAIN CN101 MAIN CN108 VSX-418-K...
  • Page 37 See Contrast table (2) VOL Knob V5 See Contrast table (2) STANDBY BTN See Contrast table (2) (2) CONTRAST TABLE VSX-418-K/MYSXJ5 and VSX-418-S/MYSXJ5 are constructed the same except for the following: VSX-418-K/ VSX-418-S/ Mark No. Symbol and Description MYSXJ5 MYSXJ5...

  • Page 38: C 10. Schematic Diagram

    D20PYY0323E GNDA GNDA1 CN108 C139 FRONT L VIDEO L 10/50 GNDA GNDA DSPOL C140 FRONT R VIDEO R 10/50 52147-0310 TO FRONT AUDIO ASSY GNDA GDAC CN109 XKP3090 GNDA CN815 TO 5.1CH INPUT ASSY TO POWER PACK ASSY CN307 VSX-418-K...
  • Page 39 : 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-418-K...

  • Page 40: 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-418-K...
  • Page 41 : Audio Signal Route (Front L ch) D253 UDZS27(B) (SL) : Audio Signal Route (Surround L ch) D255 R280 : Audio Signal Route (Center ch) Q255 RT1N241M (SBL) : Audio Signal Route (Surround Back L ch) R463 (SW) R464 : Audio Signal Route (SubWoofer ch) VSX-418-K...

  • Page 42: 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-418-K...
  • Page 43 R9011 C9000 DMUTE STBY D+5V Q9065 (2/2) UMD2N RT1P241M D9068 D9064 1SS355 DAP202U Q9065 Q9064 (1/2) UMD2N D9065 DAP202U GNDU GNDU TO POWER PACK ASSY CN813 : Audio Signal Route (L ch) (SW) : Audio Signal Route (SubWoofer ch) VSX-418-K...

  • Page 44: Dsp Assy (1/2)

    CK125 RS1/16S***J CDTO R666 (1608) CK126 BDTO R667 CK127 RAB4C***J or CK128 RAB4CQ***J XMMK CK129 XMBK CK130 UNLESS OTHERWISE NOTED XMFD CK131 XMLK CK132 LSLK CK133 LSBK CK134 LSLK LSFD CK135 LSBK LCKI CK136 LSFD BCKI CK137 FDTI CK138 VSX-418-K...
  • Page 45 R911 stby LCKI BCKI FDTI CN901 C764 C916 C918 XKP3077 YB 0.1 YB 470p YB 0.1 C763 C917 C919 YB 470p YB 0.01 YB 470p GDAC GNDD GDAC GDAC GNDD GNDD (XM) (DAC) (DSP) (CODEC) (CODEC) (DIR) CN805 VSX-418-K...

  • Page 46: Dsp Assy (2/2)

    10.5 DSP ASSY (2/2) DSP ASSY (AWX8980) V32C GNDD V5D1 R954 R955 IC952 TC74VHCT541AFTS1 3V -> 5V Level shifter for DSP,DIR,XM GNDD R962 R970 100k 100k GNDD GNDD R974 stby GNDC2 GNDD CN951 XKP3078 CN807 VSX-418-K...
  • Page 47 X801 C811 XSS3003 CCSRCH471J50 stby C819 24.576MHz CKSRYB104K16 (1608) R842 YB 0.1 stby CKSRYB474K10 R843 CKSRYB105K16 stby C820 CEVW***M** stby RS1/16S***J (1005 CN801 RS1/16SS***J or 1608) GNDD VKN1411 RS1/16S***J JTAG (1608) Proto only RAB4C***J or RAB4CQ***J UNLESS OTHERWISE NOTED VSX-418-K...

  • Page 48: Power Pack (1/2) And Trans2 Assy

    (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-418-K...
  • Page 49 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-418-K...

  • Page 50: Power Pack Assy (2/2)

    CN815 XKM3010 GDAC AD+5V V+5D2 V+7D V+5A GNDA(DAG) GNDA(DAG) POWER PACK ASSY(2/2) GDAC V+5D V+5D GNDD DGRTN DGRTN +12V DGRTN DGRTN GNDD V+5D UGRTN CN805 XKP3066 -12V +12V CN302 GNDU (SW) GNDU SWOUT (SW) GNDA CN803 GNDA KM200TA6 -12V VSX-418-K...
  • Page 51 Unit:k-kΩ,M-MΩ or Ω unless otherwise noted. Q801 Not used 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-418-K...

  • Page 52: Input And Trans3 Assys

    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-418-K...
  • Page 53 VSX-418-K...

  • Page 54: Front Display, Rotary Encoder, Power Key And Jog Assys

    1WUP DRDY DISPRDY GNDU D403 R402 TEST Stby+5V 1WUP 100k 1SS355 MICDET 1W_WUP MICDET GNDU DISPEN Q484 CN402 2SA1576A(QR) SRIN 52492-0920 R405 AVSS KEY4 VSS0 KEY4 KEY3 KEY3 R419 R420 SCK1 R421 DRST RESET VPP(IC) STBY L401 LFCA2R2J 2.2u VSX-418-K...
  • Page 55 SB CH IC401 TV/SAT VSG1024 VSG1024 VSG1024 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 VSX-418-K...

  • Page 56: Front Mini Jack, 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-418-K...
  • Page 57 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-418-K...

  • Page 58: Video And Primary Assys

    +12V CHASSIS D308 W319 TV/SAT 47/25 R299 DAN202U STBY -12V C308 VCR PLAY 47/25 R317 (SW) R318 (SW) 1.2k R319 Q303 SW OUT 2SC5938A 4.7k (AB) GAVS VIDEO ASSY (XWZ4291) CN304 9604S-13C TO MAIN ASSY (MAIN ASSY 3/3) CN130 VSX-418-K...
  • Page 59 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-418-K...

  • Page 60: Pcb Connection Diagram

    Symbol In PCB Symbol In Schematic Part Name Diagrams Diagrams C E B Capacitor Connector Transistor B C E SIDE A Transistor with resistor B C E Field effect SIDE B P.C.Board Chip Part transistor Resistor array 3-terminal regulator VSX-418-K...

  • Page 61: Dsp Assy

    R707 C903 R922 R921 C911 R962 R909 R916 R706 C718 CN901 C904 R974 R913 C902 R908 C901 CN952 CN951 CN702 CN701 (ANP7639-A) CN951 CN701 CN901 CN807 CN827 CN805 SIDE B SIDE B CN951 CN701 CN901 (ANP7639-A) CN603 DSP ASSY VSX-418-K...

  • Page 62: 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 CN106 for FLASH CN813 CN953 VSX-418-K...
  • Page 63 C290 R318 C121 CONTACT IC106 SIDE CN104 CONTACT SIDE C181 CN105 CN132 R313 CONTACT SIDE C123 R5004 R5003 R5002 CONTACT R5001 CN130 CONTACT CN103 SIDE C5025 SIDE CN129 C124 CN132 CN103 CN105 CN130 CN7301 FM/AM TUNER CN307 Unit CN304 VSX-418-K...
  • Page 64 12.SW2 11.SDET/INH 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 CN103 CN132 CN104 CN130 VSX-418-K...
  • Page 65 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-418-K...

  • Page 66: 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-418-K...
  • Page 67 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-418-K...
  • Page 68 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-418-K...
  • Page 69 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-418-K...

  • Page 70: 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-418-K...
  • Page 71 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-418-K...

  • Page 72: 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-418-K...

  • Page 73: Front Mini Jack Assy

    11.6 FRONT MINI JACK ASSY SIDE A SIDE A FRONT MINI JACK ASSY FRONT AUDIO ASSY [[ G ]] JA971 1.FRONT L 2.GND 3.FRONT R XWZ 4296 (XNP3125-B) SIDE B SIDE B (XNP3125-B) FRONT MINI JACK ASSY VSX-418-K...

  • Page 74: 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-418-K...
  • Page 75 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-418-K...
  • Page 76 (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-418-K...
  • Page 77 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-418-K...

  • Page 78: Digital Input Assy

    1.FRONT OPT KN1901 CN1902 2.SHIELD 3.GNDD 4.D+5V 5.SHIELD [[ G ]] 5.GNDD C1904 4.OPT2 DIGITAL IN ASSY 3.GNDD 2.D+5V XWZ4298 1.OPT1 XWZ4299 W390 CONTACT SIDE JA1900 JA1902 JA1901 KN1902 (XNP3125-B) SIDE B SIDE B DIGITAL INPUT ASSY CN1903 (XNP3125-B) VSX-418-K...

  • Page 79: 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-418-K...

  • Page 80: 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-418-K...
  • Page 81 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-418-K...

  • Page 82: Video Assy

    W328 W320 1.FRONTV W322 2.GAV W300 W324 JA351 W349 W327 W354 W346 W361 W325 -5.6V CN354 CONTACT SIDE CN305 CN310 CN303 JA352 CONTACT CN304 SIDE CN304 (XNP3125-B) CN130 SIDE B SIDE B VIDEO ASSY CN310 CN304 C313 (XNP3125-B) CN302 VSX-418-K...

  • Page 83: Electrical Parts List

    L 9002 (A,120,103) CHIP SOLID INDUCTOR ATL7002 IC 251 (A,134,89) DUAL OP-AMP NJM4565MD L 9003 (A,86,97) RADIAL INDUCTOR LFCA2R2J X 5001 (A,67,27) CRYSTAL RESONATOR ASS7004 IC 5001 (A,69,19) RDS DECORDER IC LC72725KM (4.332 MHz) IC 9001 (B,82,64) SYSTEM CONTROL MICON PEG468C VSX-418-K...
  • Page 84 R 549 (B,159,69) RS1/16S0R0J R 247 (B,207,70) RS1/16S332J R 550 (A,153,84) RS1/16S0R0J R 248 (B,207,76) RS1/16S332J R 551 (A,67,113) RS1/16S822J R 249 (B,214,70) RS1/16S332J R 5010 (A,75,24) RS1/16S473J R 250 (B,214,76) RS1/16S332J R 5011 (A,81,19) RS1/16S473J R 251 (B,216,70) RS1/16S182J VSX-418-K...
  • Page 85 C 187 (B,283,84) CCSRCH101J50 R 9091 (A,132,39) RS1/16S0R0J C 188 (B,285,83) CCSRCH101J50 R 9092 (A,129,38) RS1/16S0R0J C 189 (B,283,71) CCSRCH101J50 R 9093 (A,133,51) RS1/16S0R0J C 190 (B,287,70) CCSRCH101J50 C 191 (B,283,97) CCSRCH101J50 CAPACITORS C 192 (B,285,96) CCSRCH101J50 C 103 (B,295,56) CCSRCH101J50 VSX-418-K...
  • Page 86 R 604 (B,114,46) RS1/16S104J C 5027 (A,167,14) CKSRYB102K50 R 605 (B,112,46) RS1/16S104J C 5028 (A,180,15) CCSRCH220J50 R 606 (B,110,46) RS1/16S104J C 9004 (B,84,88) CKSRYB103K50 R 612 (A,117,33) RS1/16S0R0J C 9005 (A,78,106) CEJQ2R2M50 R 614 (A,102,38) RS1/16SS101J C 9006 (A,95,93) CKSRYB105K10 VSX-418-K...
  • Page 87 C 816 (A,21,26) CCSSCH5R0C50 R 905 (B,118,17) RS1/16S104J C 817 (A,27,26) CCSSCH5R0C50 R 906 (B,120,15) RS1/16S104J C 818 (A,35,23) CCSRCH471J50 R 908 (A,123,13) RS1/16SS0R0J C 819 (A,35,22) CKSSYB104K10 R 919 (A,113,20) RS1/16S1202F R 920 (A,115,20) RS1/16S2002F C 821 (A,30,30) CKSSYB471K50 VSX-418-K...
  • Page 88 Q 804 (B,268,141) TRANSISTOR RT1N241M RESISTORS Q 805 (B,274,143) DIGITAL TR(SC-70) RT1P241M Q 806 (B,267,146) TRANSISTOR RT1N241M R 601 (A,99,48) RD1/4PU102J Q 807 (B,276,53) TRANSISTOR RT3P22M R 602 (A,228,42) RD1/4PU102J Q 808 (B,283,57) TRANSISTOR RT3N22M R 603 (B,96,47) RS1/16S103J VSX-418-K...
  • Page 89 R 725 (A,276,74) RD1/4PU103J C 656 (A,215,33) CEAT4R7M50 R 726 (B,286,62) RS1/16S473J R 727 (B,283,62) RS1/16S103J C 658 (B,221,17) CCSRCH470J50 C 660 (A,219,25) CEAT101M16 R 728 (B,106,9) RS1/16S683J C 664 (B,241,24) CCSRCJ3R0C50 R 730 (B,214,14) RS1/16S683J C 666 (A,239,49) CEANP2R2M50 VSX-418-K...
  • Page 90 S 449 (A,58,113) SWITCH VSG1024 JUMPER WIRE 11P D20PYY1130E S 450 (A,58,92) SWITCH VSG1024 CN 1201 (A,35,183) 4P JUMPER CONNECTOR 52147-0410 851 (A,49,207) 11P CABLE HOLDER 51048-1100 S 451 (A,76,92) SWITCH VSG1024 S 452 (A,94,92) SWITCH VSG1024 S 454 (A,89,136) SWITCH VSG1024 VSX-418-K...
  • Page 91 RD1/4PU122J R 457 (A,26,136) RD1/4PU162J R 458 (B,34,114) RS1/16S272J JOG ASSY R 459 (A,108,134) RD1/4PU472J MISCELLANEOUS R 460 (A,133,138) RD1/4PU681J S 512 (A,96,226) ROTARY ENCODER XSX3009 R 461 (A,152,136) RD1/4PU821J 512 (A,66,236) CABLE HOLDER(3P) 51063-0305 R 462 (A,183,141) RD1/4PU122J VSX-418-K...
  • Page 92 C 805 (A,147,105) CEJQ101M16 R 308 (B,57,29) RS1/16S102J C 806 (A,159,99) CEAT101M16 R 310 (B,57,31) RS1/16S102J C 818 (B,182,95) CKSRYB103K25 R 311 (B,42,23) RS1/16S102J C 819 (A,176,95) CEAT221M10 R 312 (B,60,25) RS1/16S102J R 313 (A,85,57) METAL OXIDE RESISTOR RS3LMF390J VSX-418-K...
  • Page 93 R 54 (A,319,16) RD1/4PU103J CAPACITORS C 51 (A,261,64) FILM CAPACITOR ACE7013 C 52 (A,265,57) SAFETY CAPACITOR XCG3010 C 53 (A,291,21) ELECT. CAPACITOR CEAT102M16 C 54 (A,300,11) CEAT470M25 C 55 (A,307,21) CKPUYF103Z25 C 56 (A,311,21) CKPUYF103Z25 C 57 (A,314,21) CKPUYF103Z25 VSX-418-K...

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