Pioneer VSX-523-K Service Manual
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Pioneer VSX-523-K Service Manual

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ORDER NO.
RRV4418
VSX-523-K
AV Receiver
VSX-523-K
THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S).
Model
Type
Power Requirement
Remarks
VSX-523-K
CUXESM
AC 120 V
PIONEER CORPORATION
1-1, Shin-ogura, Saiwai-ku, Kawasaki-shi, Kanagawa 212-0031, 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
2013
K-MZV MAR.
2013 Printed in Japan

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  • Page 1 PIONEER CORPORATION 1-1, Shin-ogura, Saiwai-ku, Kawasaki-shi, Kanagawa 212-0031, 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 of, Also test with plug reversed Earth PIONEER Service Manual may be obtained at a nominal (Using AC adapter ground charge from PIONEER. plug as required)

  • Page 3: Table Of Contents

    11.3 CONCT and CPU ASSYS ............................82 11.4 AMP5 ASSY ................................86 11.5 INSEL, FRONT and HPMIC ASSYS .......................... 88 11.6 SMPS and REG ASSYS............................. 92 11.7 WG, G-L and G-R ASSYS ............................96 12. PCB PARTS LIST ................................97 VSX-523-K...

  • Page 4: Service Precautions

    IC with heat-pad —————— IC2020 APPLE AUTHENTICATION IC IC with heat-pad —————— IC2021 USB 5 V Power Supply IC IC with heat-pad —————— 1.3 SERVICE NOTICE • Discharging For more detail, please refer to "7. DISASSEMBLY - 1. Discharging". VSX-523-K...

  • Page 5: Specifications

    Weight (without package) ........8.3 kg (18 lb 5 oz) Quick start guide (5707000007800-IL) Safety Brochure Note SPEAKER CAUTION Sheet (English only) • Specifications and the design are subject to possible Operating instructions (CD-ROM)(6517000001280-IL) modifications without notice, due to improvements. VSX-523-K...

  • Page 6: Basic Items For Service

    GGD1847 Diagnosis (D-MAIN Assy ↔ CONCT Assy) Board to board extension jig cable GGD1848 Lubricants and Glues List Name Part No. Remarks Silicon grease GEM1057 Refer to "9.2 EXTERIOR SECTION". GYA1011 Silicon adhesive Refer to "9.2 EXTERIOR SECTION". (KE40RTV-W) VSX-523-K...

  • Page 7: Pcb Locations

    2..CONCT ASSY (PCB SUB ASSY CONCT) 7028073325010-IL 2..D-MAIN ASSY (PCB SUB ASSY DMAIN) 7028073351010-IL 1..PCB TTL ASSY SMPS 7025HK1211015-IL > 1..PCB TTL ASSY CPU 7025HK1211013-IL 2..SMPS ASSY (PCB SUB ASSY SMPS) 7028073361010-IL 2..CPU ASSY (PCB SUB ASSY CPU) 7028073331010-IL VSX-523-K...

  • Page 8: Block Diagram

    1/2, MAIN ASSY (7028073311010-IL) MAIN TRANS (S2) (S4) REG ASSY B C E Q103FR Q103 Q102FR Q102FR (7028073312010-IL) Q101FR Q101FR 2SD2390 2SD2 KTC3964 KTC3964 2SB1560 2SB1560 AMP5 ASSY 1/2, (70280733410 HPMIC ASSY (7028073322010-IL) INSEL ASSY (7028073324010-IL) FRONT ASSY (7028073321010-IL) VSX-523-K...
  • Page 9 AGND1 AGND1 A-12V B C E B C E B C E Q103FR Q103FR Q103FR Q103FR Q102FR Q102FR Q102FR Q101FR Q101FR 2SD2390 2SD2390 KTC3964 KTC3964 KTC3964 KTC3964 2SB1560 2SB1560 2SB1560 CN206 CN704B MP5 ASSY 028073341010-IL) FUSB ASSY CN2006 (7028073323010-IL) VSX-523-K...

  • Page 10: Audio Block Diagram

    4.2 AUDIO BLOCK DIAGRAM MAIN ASSY • AUDIO PART Q419 Q426 D-MAIN ASSY IC2016 VSX-523-K...
  • Page 11 CPU ASSY FRONT ASSY HPMIC ASSY MAIN ASSY OPTCO ASSY AMP5 ASSY FUSB ASSY VSX-523-K...

  • Page 12: Power Supply Block Diagram

    KIA7805API KIA7812API MAIN TRANS KIA7912PI REG ASSY S4(FLT) SMPS ASSY CN901B L100 F100 LF4ZBE273H R120 CN901W 4.7(1W) T101 EE2525V CORD SMPS+5.6V L102 10UH D119 R128 UF4007 C148 33/63 C113 R112 100N-K ZD101 LUDZS6.8B C115 1500P/250V ZD102 LUDZS6.8B RB160VA AP1117-3.3 VSX-523-K...
  • Page 13 IC2008 MM3529A32PRE SMPS+5.6V SCPU+3.3V NJM2831F33 H+5V_FETON IC2005 S-1170B50UC-OUJ H+5V TX+5V IC2021 BA00DD0WHFP D+5V_FETON D+5V USB5V_ON Q2010 VCC_3959 IC2006 S-1170B50UC-OUJ USB+5V 3959_PWR USB5V_DET ZD101 A+12V LUDZS6.8B USB+5V A+6.8V FUSB ASSY A-6.8V ZD102 LUDZS6.8B CPU ASSY D+3.3V OPTCO ASSY CPU_3.3V AP1117-3.3 VSX-523-K...

  • Page 14: Gnd Block Diagram

    4.4 GND BLOCK DIAGRAM AC CORD SMPS ASSY (TOP) CEN_A FL_A FR_A C_FB FL_FB FR_FB POWER TRANS A+12V REG ASSY INSEL ASSY HPMIC ASSY VSX-523-K...
  • Page 15 CPU ASSY D-MAIN ASSY MAIN ASSY CEN_A CEN_A SL_A SR_A FR_A C_FB C_FB SL_FB SR_FB FR_FB A+12V A+12V A+12V DC_PROTECTION A+12V A-12V -HIGHB +HIGHB1 AMP5 ASSY FRONT ASSY ASSY FUSB ASSY VSX-523-K...

  • Page 16: Diagnosis

    Check connection betwwern CN201 on D-MAIN Assy (CPU Assy and CN201 on CPU Assy. CN201 pins 30, 31) Is the voltage +3.3 V? Check IC301 on CPU Assy or (CPU Assy replace CPU Assy. IC301 pin 2) Replace CPU Assy. VSX-523-K...
  • Page 17 MAIN Assy. (FRONT Assy C728 - side) replace FRONT Assy. Is the voltage 3.3 V? Check Q702, Q703, R777, R778 or (FRONT Assy C730 + side) replace FRONT Assy. Is damage in FLT701? Replace FRONT Assy. Replace FLT701. VSX-523-K...
  • Page 18 Are the signal on AMP5 Assy Speaker out sound CP401 pin 1, 9? Check and repair FL or FR AMP circuit or replace AMP5 Assy. Check the problem analog signal line between input connector and IC400 (Input selector IC) or replace MAIN Assy. VSX-523-K...
  • Page 19 5 (SL), 3 (C), 1 (SW). 11 (SL),13 (C),15 (SW). Check and repair AMP circuit of problem Replace MAIN Assy Check the signal CN109 - CN110 channels or replace AMP5 Assy. or their peripheral circuit. or replace CONCT Assy. VSX-523-K...
  • Page 20 Check IC1200 on MAIN Assy or Composite in → No Composite out replace MAIN Assy. Rear HDMI in → No HDMI out Replace D-MAIN Assy. Check IC1203, XTAL1200, XTAL1201, Q1207, Q1208, Q1209 on MAIN Assy No OSD or replace MAIN Assy. VSX-523-K...

  • Page 21: Usb/Ipod Error Message

    ERROR MESSAGE Outline Error message is displayed at abnormality time. Basic Operation Front Key Sequence Change OSD display Time (sec) FL Display Over Current Error I / U E R R 4 No Track Caution T R A C K VSX-523-K...

  • Page 22: Protection Circuit

    5.3 PROTECTION CIRCUIT [1] Overload and DC Protection Circuit VSX-523-K...
  • Page 23 [2] TEMP Protection Circuit VSX-523-K...

  • Page 24: Ic Information

    Output to reset Tuner Pack (active at L) Not used OSD_CE/CE OSD IC enable signal output and UPGRADE pin Not used S_RLY Tr driven control pins at the Surround speaker output Relay (active at H) 3959_SDA MFI IC DATA signal 3959_SCL MFI IC CLK signal VSX-523-K...
  • Page 25 Data input for Key2 scan IN_DN Data input for INPUT selector encoder FLT_CE Output for chip enable of SC16315 Not used Ground USBDCERR Not used +3.3 V Power Supply +3.3 V Power Supply 100 V+5V_DET Detection pin V+5V protection VSX-523-K...
  • Page 26 EP9442 Not used HPD_IN Intput for HDMIOUT HPD Not used SUB_RXD Soft update UART comunication data input pin (UPDATE JIG B'D) SUB_TXD Soft update UART comunication data output pin (UPDATE JIG B'D) HDMI_CEC Data signal Input from HDMI_CEC VSX-523-K...

  • Page 27: Service Mode

    DC error." If a protection function is activated immediately after the previous protection function is canceled, cancel that protection function again then enter STBY mode immediately. You can then see the error logs, following the above procedures, until a next protection function is activated. VSX-523-K...
  • Page 28 1. When the procedures for Reset mode for numbers of protection detections are completed, all the counters will be reset to "000." 2. Prohibitions: The protection detection counts cannot be cleared (reset to 000) with the MEMORY CLEAR process. They can only be cleared when the procedures of Reset mode are completed. VSX-523-K...
  • Page 29 If the AC power cord is plugged in while the AVR is prohibited from being ON because of DC detection, the HDMI LED will flash at intervals of 500 msec. 3.2 OVERLOAD (overcurrent) error detection Key Operation FL Display Time (sec.) Description of Indications usually Normal display (Normal display) (OVERLOAD detection) (Auto) (RECEIVER POWER OFF) VSX-523-K...
  • Page 30 Normal display (Normal display) [Detailed explanations] Simultaneously holding the [ADVANCD SURROUND] and [STANDBY/ON] keys on the front panel pressed for 2 seconds will cancel Key Input Inhibition mode after a DC error detection and turn the unit ON. VSX-523-K...

  • Page 31: Disassembly

    1 V, using a tester. ∗ Be sure to connect the GND terminal of the tester to the chassis. 47 - 100 ohms ∗ If the voltage is still 1 V or higher, repeat Step (2). (2 W or higher) −30V VSX-523-K...
  • Page 32 (5) Release the jumper wire. (6) Disconnect the one flexible cable and three CP703 connectors. CP2006 CN206 (CN206, CN704B, CP703, CP2006) CN704B ×2 FRONT Assy INSEL Assy CPU Assy (7) Unhook the two hooks. Front panel section (8) Remove the front panel section. VSX-523-K...
  • Page 33 (1) Remove the three screws. (BBZ30P080FTC) • Bottom view (2) Remove the two screws. (BBZ30P080FTC) (3) Release the two jumper wires. WG Assy (4) Disconnect the four connectors. Heatsink (CP401 to CP404) (5) Remove the heatsink section. CP401 CP404 CP402 CP403 AMP5 Assy VSX-523-K...
  • Page 34 Insulation sheet (2) Arrange the D-MAIN Assy in the photo below. jig cable (GGD1847) (3) Insert any insulation sheet. CN204 Diagnosis CN2003 CN201 CN109 CN201 CN203A Borad to board extension Borad to board extension jig cable (GGD1846) jig cable (GGD1848) VSX-523-K...
  • Page 35 CN2003 CN109 CN110 CP110 CONCT Assy D-MAIN Assy CONCT Assy (4) Reassemble the CONCT Assy to D-MAIN Assy. CN110 (5) Connect the one extension jig cable. Diagnosis CP110 MAIN Assy AMP5 Assy Borad to board extension jig cable (GGD1848) VSX-523-K...
  • Page 36 (CN206, 704B, CP1, 7, 401 to 404) CP402 CP404 CP403 (3) Remove the three screws. (BBZ30P080FTC) (4) Remove the four screws. (BBZ30P180FTC) (5) Remove the MAIN Assy with CPU Assy and back chassis. CPU Assy CONCT Assy MAIN Assy VSX-523-K...

  • Page 37: Each Setting And Adjustment

    No adjustment required Note: Some parts on D-MAIN Assy can not be replaced due to using heat-pad connection between the board. Please refer to [1.2 NOTES ONREPLACING PARTS], when the parts listed in the table is defective, replace whole Assy. VSX-523-K...

  • Page 38: Updating Of The Firmware

    To confirm if .NET Framework 3.0 Service Pack 1 has been installed on your PC or not, select Settings > Control Panel > Add or Remove Programs. This confirmation method may be different, depending on the PC. Refer to the operation manual of the PC you use on how to execute Add or Remove Programs. VSX-523-K...
  • Page 39 1 Selection of upgrade file 1 Select the update file 3. Press the OK button. Press the OK button. Select "VSX523 Main V1xx.mot" file Select for COM port. to update the MCU. 2 Enter ID. Press the OK button. VSX-523-K...
  • Page 40 3. Holding down the tact switch (RESET) of the Upgrade Jig in AC OFF state. Release the tact switch after AC ON, power ON (2-3 seconds later). Select the 9600 of the Board rate then press the OK button VSX-523-K...
  • Page 41 Each time the " ENTER "key is pressed, then indications on the FL display change as follows: "ENTER" "ENTER" "ENTER" "ENTER" MAIN Ucom SUB Ucom All segments lit. DSP firmware MAIN Xx.xx SUB zzz.zz CEC Vy,yy "ENTER" 2. Turn the unit off. VSX-523-K...
  • Page 42 4. After playback is finished and "ENTER" is displayed, press the ENTER key on the front panel. ("ENTER" is displayed.) 5. "WRITING" is automatically displayed. 6. After writing is completed, "COMPLETE" is displayed. 7. Turn the unit off then confirm that the version has been updated. VSX-523-K...

  • Page 43: Idle Current Adjustment

    (Condition : No signal and no load) TP1SR pin 3 (–) • Adjustment points and measurement points..see fig.1. AMP5 ASSY VR1FL TP1FL VR1SL TP1SL VR1C TP1C VR1SR TP1SR VR1FR TP1FR TP1FR VR1FL VR1SL VR1SR VR1FR VR1C TP1FL TP1C TP1SR TP1SL SIDE A Fig.1 VSX-523-K...

  • Page 44: Exploded Views And Parts List

    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 Poly bag packing style Tape (clear) Cord AC Safety Brochure SPEAKER CAUTION Sheet Dry cell batteries (AAA size IEC R03) VSX-523-K...
  • Page 45 4 Microphone APM7011 (for Auto MCACC setup) 5 Quick Start Guide 5707000007800-IL 6 Operating Instructions (CD-ROM) 6517000001280-IL 7 Box, Gift VSX523CU 6007212370000-IL 8 Cushion, Snow VSX523 6230213384000-IL 9 PE, Sheet 6327040059000-IL NSP 10 Warranty Card ARY7172 NSP 11 Label VRW1629 VSX-523-K...

  • Page 46: Exterior Section

    9.2 EXTERIOR SECTION HP plate VSX-523-K...
  • Page 47 Sheet speaker ×23 Main chassis Binder Silicon adhesive Clamp (GYA1011) Binder Heatsink Silicon grease (GEM1057) VSX-523-K...
  • Page 48 18 Transistor J5011560Y0000-IL 19 Semi, TR/GE NPN 2SC J502396400010-IL 20 Transistor J5032390Y0000-IL 21 Cable Flat Card 1.0 N711250822480-IL 22 Pioneer Badge B (PLS) XAM3006 23 Cabinet VSX-523 3008212076000-IL 24 Front Panel 523CU 3067215871000-IL 25 Back Chassis 523CU 3207214566000-IL 26 Spring...
  • Page 49 VSX-523-K...

  • Page 50: Schematic Diagram

    C1258 R1251 C1229 LBAS16HT1G 2K2(1) 2K2(1) 2K2(1) 10/50 C102/C103 : SIZE 3*5 4R7(1) 22(1/4) 1N4007 RT1P237C RT1P237C RT1P237C RT1N237C RT1N237C RT1N237C TO CHASSIS 100N(R)-250V 100N(R)-250V C66 100N(R)-250V LUG707B LUG707A C105 C106 330/6.3(6.3*11) 330/6.3(6.3*11) GND4 CP403 CP402 8 9 10 VSX-523-K...
  • Page 51 C1244 R1241 100P-J R1240 C615 R1243 100N-K C1240 10N-K C1242 C1243 100P-J 100P-J R1242 R1239 R1248 C1246 C1256 R1247 100/16(6.3*11) 100N-K C1233 100/16(6.3*11) C1232 10N-K C1254 100N-K C102/C103 : SIZE 3*5 4R7(1) 22(1/4) (HPL) C99 : SIZE 6.3*5 2.0MM VSX-523-K...

  • Page 52: Main Assy (2/2)

    : Audio Signal Route (SAT L ch) (DVD) : Audio Signal Route (Center ch) : Audio Signal Route (DVD L ch) (SW) : Audio Signal Route (Subwoofer ch) : Audio Signal Route (L ch) (HPL) : Audio Signal Route (Headphone L ch) VSX-523-K...
  • Page 53 C436 R488 1/50 R596 C437 470/16 (FL) 1/50 IC406 UTC4580E (HPL) (HPL) (SW) (SW) (SW) R507 1K5 C484 (SL) 47P-J (FL) J416 J415 J402 ute (CD L ch) ute (SAT L ch) ute (DVD L ch) ute (L ch) VSX-523-K...

  • Page 54: D-Main Assy (1/3)

    RX12+ R2075 RX22- IC2001 R2038 TIMI EPF025A RX22+ TIMO HT3_CNTB HT2_CNTB HT1_CNTB HT0_CNTB HT3_CNTB R2044 R2027 R2043 R2023 510K DDC3_SDA DDC3_SCL CEC_OUT RXC3- R2061 RXC3+ XTAL2000 R2062 24MHZ-15pF RX03- SUB_RXD R2064 SUB_TXD RX03+ RX13- RX13+ RX23- H+5V RX23+ R2077 VSX-523-K...
  • Page 55 GND-H SUB_TXD SUB_RXD R2061 CN204 C125Z1-11 HDMI_IO33 D2062 H+5V 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. CN2010 VSX-523-K...

  • Page 56: D-Main Assy (2/3)

    S-1170B50UC-OUJ C2065 C2075 C2066 C2076 Q2026 4.7/16 4.7/16 RAQ045P01 Q2027 RT1N141C R2136 D2057 RB551V-30 C2096 D2056 RB551V-30 10P-D C2097 100N-K CN101 7P_2mm L2007 10UH D5.6V SMPS+5.6V D5.6V D5.6V DGND DGND GND-H GND-H DGND C2088 RYAC 100N-K CX101 CN2003 C125Z2-15 VSX-523-K...
  • Page 57 : Audio Signal Route (Center ch) (SW) : Audio Signal Route (Subwoofer ch) 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. CN109 VSX-523-K...

  • Page 58: D-Main Assy (3/3)

    DAI_LRCK IIS_SCLK R2200 150 C2199 DVdd DAI_BCK 100N-K AXR1[4] R2219 74LCX257MTCX AXR1[3] R2220 AXR1[2] R2221 IIS_SCLK AXR1[1] IIS_SD0/DSD0_L R2222 DAI_SD0/DSD0_L IIS_SD3 IIS_SD3 IIS_SD2 IIS_SD2 IIS_SD1/DSD0_R IIS_SD1/DSD0_R SDIN4SB SDIN3C SDIN2S SDIN1F R2228 R2225 R2479 Q2011 3959_PWR RT1N144C R2325 Q2010 ISA1530AC1 VSX-523-K...
  • Page 59 1000P-CH R2288 R2289 /EMU1 /EMU0 R2479 C2249 10N-K /TRST CN2000 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. VSX-523-K...

  • Page 60: Optco, Fusb And Conct Assys

    C1466 C1467 823/528 : NM R1462 R1464 R1463 BKT4 JACK1305 L1411 LBC2012-4.7UH BCR-802-M25 C1457 FUSB ASSY (7028073323010-IL) R3000 CN2006 330MM/5P R3001 JACK3000 C3004 C3008 100P-J 100P-J R610 USB+5V GNDUSB CP2006 R3002 C3005 R3003 -(100P-J) R611 L2031 GNDUSB PT706 PLATE VSX-523-K...
  • Page 61 JACK1305 BCR-802-M25 C104 CP110 : Audio Signal Route (L ch) (FL) : Audio Signal Route (Front L ch) (SL) : Audio Signal Route (Surround L ch) : Audio Signal Route (Center ch) (SW) : Audio Signal Route (Subwoofer ch) VSX-523-K...

  • Page 62: Cpu Assy

    11 10 9 IC205 SN74AHCT08PW CPU_+3.3V OSD/FLT_CLK CN209A CN209B OSD/FLT_DATA 423/523 528/823 Q303 Only 2SC3052 VSX-423/523 R249 R250 GNDU Q206 C227 R281 2SC3052 2.2/50 C219 1N-K R280 C259 IC206 SN74AHC1G08DCKR C255 C256 C260 CN209B CN209A VSX423/523 R381 VSX528/823:31P CP13 CP15 CP16 VSX-523-K...
  • Page 63 The > mark found on some component parts IC206 C475 C481 R381 indicates the importance of the safety factor of the part. 423/523 0ohm R381 528/823 100N-K Therefore, when replacing, be sure to use parts SN74AHC1G08DCKR 10/16 of identical designation. VSX-523-K...

  • Page 64: Amp5 Assy (1/2)

    TD03G333FT 1N4148 47P-100V R10C R22C KSA992F C12C C17C R18C ZD3C 100/50 ZJ4.3B R11C R23C 1N4148 C30C R12C R13C 470K R25C C13C R42C 560P-50V 100(1) 2N2-K R41C C18C KTC3206Y C22C 100P-500V R14C R15C R16C 1K2(1) JUMPER 47(1) C15C 100P/100V C16C VSX-523-K...
  • Page 65 R36C C27C 0R47(2) 0R47(2) 2N5551S R29C R28C ZD3C 0R47(2) 0R47(2) ZJ4.3B 1N4148 R25C 100(1) 2SB1560 C22C 100P-500V (FL) : Audio Signal Route (Front L ch) (SL) : Audio Signal Route (Surround L ch) : Audio Signal Route (Center ch) VSX-523-K...

  • Page 66: Amp5 Assy (2/2)

    47(1) C15SR 100P/100V C16SR CP401 FROM MAIN FL-CH SL-CH CL-CH SR-C KTC3964 KTC3964 KTC3964 KTC39 2SB1560 2SB1560 2SB1560 2SD2390 2SD2390 2SD2390 2SD2390 Q102FL Q102FL Q102FL Q103FL Q101FL Q103FL Q101FL Q103FL Q101FL Q103FL Q101 E C B E C B VSX-523-K...
  • Page 67 270K R35SR R37SR R26SR R27SR Q9SR R36SR C27SR 0R47(2) 0R47(2) 2N5551S R29SR R28SR 0R47(2) 0R47(2) Q7SR 2SB1560 (SL) : Audio Signal Route (Surround L ch) SR-CH FR-CH KTC3964 KTC3964 2SB1560 2SB1560 2SD2390 2SD2390 Q102FL Q102FL Q103FL Q101FL Q103FL Q101FL VSX-523-K...

  • Page 68: Insel, Front And Hpmic Assys

    R773 R774 R775 R776 SW715 STBY_KEY STBY_KEY INPUT_UP R783 INPUT_UP GNDU GNDU INPUT_DN INPUT_DN R784 ST_H+5V ST_H+5V POWER_LED POWER_LED CNT_LED CNT_LED C764 C745 330P-J C739 1N-K LUG705 Q705 C940 RT1N237C C939 R751 Q710 RT1N237C INSEL ASSY (7028073324010-IL) CN704B CN206 VSX-523-K...
  • Page 69 C906 33P-J 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. (HPL) : Audio Signal Route (Headphone L ch) VSX-523-K...

  • Page 70: Smps Assy

    JE202B1T2 FLXCN : FROM VOLTAGE SELECTOR OTHER : FROM POWER TRANS PRIMARY SECONDARY GND PATTERN CHASSIS GND • NOTE FOR FUSE REPLACEMENT CAUTION - FOR CONTINUED PROTECTION AGAINST RISK OF FIRE, REPLACE WITH SAME TYPE AND RATINGS OF FUSE. VSX-523-K...
  • Page 71 2] Before returning the set to the customer make appropriate leakage current or resistance measurements to determine the exposed parts are prorerly insulated from the supply circuit. VSX-523-K...

  • Page 72: Reg Assy

    ZJ22B JX/FX/DLX RT1N237C OTHERS OPEN OPEN 100/16(6.3*11) Q429 RT1N237C ZD82 ZJ22B LBAS16HT1G 100/6.3(6.3*5) R336 ZD81 ZJ12B 100/16(6.3*11) LBAS16HT1G 1/50 1N4007 47N(EB)-100V 1N4007 47N(EB)-100V 1N4007 VSX-528/823 ONLY 1N4007 CUX/FLX/PWX/AX OPEN OPEN SYX/JX (3216) (3216) R_NO R48/R71/R72 CN302_B CN302_A CN301_B CN301_A VSX-523-K...
  • Page 73 LBAS16HT1G LBAS16HT1G 0R22(1) 47N(EB)-100V 47N(EB)-100V 47N(EB)-100V 0R22(1) VSX-528/823 ONLY WX/AX OPEN OPEN (3216) (3216) R48/R71/R72 • NOTE FOR FUSE REPLACEMENT N302_A CAUTION - FOR CONTINUED PROTECTION AGAINST RISK OF FIRE, REPLACE WITH SAME TYPE AND RATINGS OF FUSE. 301_A VSX-523-K...

  • Page 74: Pcb Connection Diagram

    JP136 JP15 JP18 JP17 JP62 JP14 JP16 JP12 JP56 +HIGHB +HIGHB +HIGHB -HIGHB -HIGHB -HIGHB HIGHGND HIGHGND HIGHGND PREGND JP27 JP21 A-12V AGND-HP AGND A+12V GND-V V+5V ZD25 C104 USBGND C102 USBGND USBGND USB+12V ZD24 USB+12V C101 USB+12V CP402 VSX-523-K...
  • Page 75 HP_R JP38 A+12V A+12V C509 AGND AGND C486 C420 A-12V R510 C406 A-12V MIC_AGND JP120 JP57 U/DGND U/DGND JP116 C401 FGND FGND CP111 FCVBS USB_GND USB_GND USB_GND USB+12V C516 SIZE_3*5 USB+12V USB+12V ZD25 SIZE_6.3*5 C102 ZD24 CP110 CN110 CP401 VSX-523-K...
  • Page 76 R571 C560 C503 R540 J402 J415 R551 C561 C562 R573 R574 C563 R469 R409 C519 Q428 J416 JP70 JP68 JP66 JP64 R568 C559 C485 JP69 JP67 JP65 R404 Q426 C517 R566 JP124 C419 R429 R559 R557 R565 JP134 CP110 VSX-523-K...
  • Page 77 R470 IC1200 C472 Q416 Q416 C476 IC1202 Q417 Q417 J502 R467 J501 Q1206 J500 C469 Q1210 R465 Q1209 Q1208 Q1207 ZD400 IC400 C564 Q415 Q414 Q427 Q419 C548 IC406 C549 IC401 IC402 IC403 J402 J415 J416 Q428 Q425 Q426 VSX-523-K...

  • Page 78: D-Main, Optco And Fusb Assys

    C2135 C2132 CN2006 C2125 R2123 C2190 C2131 JACK3000 C2350 R2190 L2010 C2128 C2192 R2295 C2193 R2294 C2124 C2195 C2196 LUG707 R2213 C2197 R2214 R2215 R2216 R2292 C2199 R2293 R2217 R2296 R2218 R2297 FUSB ASSY CN2003 CN109 B C D VSX-523-K...
  • Page 79 R2190 R2220 R2221 C2229 R2236 R2232 C2192 IC2019 R2295 C2224 C2193 R2294 C2225 Q2036 C2195 C2196 IC2019 R2213 C2197 C2220 R2214 C2218 C2329 R2215 R2467 R2216 R2292 C2215 C2199 C2172 C2271 R2293 C2214 R2217 C2209 R2296 R2218 C2207 R2297 VSX-523-K...
  • Page 80 C2255 R2285 C2254 R2199 JP2001 R219 R2282 JP2040 R2197 R2284 C2253 IC2009 R2286 R2482 C2198 C2252 R2194 C2304 C2265 JP2037 C2267 C2251 R2191 JP2034 C2266 C2250 C2310 C2299 C2270 C2177 L2032 C2182 C2168 C2164 R2300 R2301 R2308 R2298 R2299 VSX-523-K...
  • Page 81 R2164 C2205 R2162 R2156 C3005 R2200 R2124 R2122 R2131 R2199 R2192 JP2040 R2197 R2482 C2198 C3010 C2155 C3009 R2194 C2133 C2134 R2191 JP2034 R2154 R611 L2031 C2123 R2132 C2129 C2130 R3000 R3001 C3008 FUSB ASSY CN2003 B C D VSX-523-K...

  • Page 82: Conct And Cpu Assys

    3.TR_DET R208 2.CPU_+3.3V JP153 3.U_TX 2.RADI_DET 4.U_RX FPC201 C475 1.ASO_DET JP112 5.GNDU JP74 6.CNVSS_UP JP75 7.EMP_UP CN204 R207 R105 UPGRADE 8.CE 9.BUSY_JTAG JP72 10.SCLK_JTAG/TR_DET' R268 CN211 CN208 C227 R209 JP154 JP152 JP73 C218 CN211 CN208 CN204 CP13 CP15 CP404 VSX-523-K...
  • Page 83 9.ST_H+5V 8.CPU_+3.3V 7.CPU_+3.3V R260 6.GNDU 5.GNDU 4.-VF 3.-VF 2.F_GND 1.FRONT_V DGND1 DGND1 R262 DGND1 +12V +12V +12V JP56 C107 C105 JP81 R104 R103 JP36 3.TR_DET 2.RADI_DET 1.ASO_DET RLY101 BC3-12 CN204 R105 BKT202 JP35 CN209A CN209B CN204 CN209A CP404 CP16 VSX-523-K...
  • Page 84 6.DGND1 5.DGND1 J210 4.DGND1 3.+12V 2.+12V C110 C109 1.+12V C108 C106 ZD101 R376 C257 C258 C260 C259 R287 Q103 Q210 C222 J301 C255 C256 C239 Q215 Q217 Q209 C231 Q216 J300 R251 R286 Q211 C223 R272 J211 CN209A CN204 VSX-523-K...
  • Page 85 D203 ZD1004 C233 Q102 Q212 Q213 R258 R243 R282 Q217 Q203 J292 R236 C229 Q215 R379 Q215 Q217 Q201 Q209 Q209 R333 Q201 D201 Q216 R284 Q303 Q216 R277 R251 Q211 C223 R272 R819 Q303 J211 CN204 CN208 CN211 VSX-523-K...

  • Page 86: Amp5 Assy

    C21SL JP25 C21C JP41 Q5FL Q7FL Q7SL Q6FL Q6SL Q5SL VR1FL VR1SL VR1C Q1FL Q2FL Q1SL Q2SL Q4FL Q3FL Q3SL Q4SL Q6FL Q5FL Q7FL Q6SL Q5SL Q7SL SIDE B AMP5 ASSY CP401 D5FL D5SL Q8FL Q451 Q9FL Q8SL Q9SL VSX-523-K...
  • Page 87 R25SR R25FR C22C C22SR C22FR JP41 C21SR JP57 C21FR JP73 Q5SR Q6SR Q7SR Q5FR VR1SR VR1FR Q2SR Q2PR Q1SR Q3SR Q1FR Q3FR Q4SR Q4FR Q452 Q6SR Q5SR Q7SR Q6FR Q5FR Q7FR SIDE B CP402 CP403 Q8SR Q9SR Q8FR Q9FR VSX-523-K...

  • Page 88: Insel, Front And Hpmic Assys

    SW707 SW716 SW706 BAND TUNER EDIT TUNE+ TUNER - DIMMER 1.STBY_KEY SPEAKERS DISPLAY 2.INPUT_UP 3.GNDU 4.INPUT_DN 5.ST_H+5V 6.POWER_LED 7.CNT_LED 9PIN SW710 SW713 SW712 SW711 AUTO SURR STANDARD ADVANCED CN104 CN104 CN702 INSEL ASSY Only VSX43 LED704A1 LUG705 JP12 CP702A VSX-523-K...
  • Page 89 Q702 VEC701 C736 SW708 SW702 SW701 SW709 TUNER - PRESET- PRESET+ ENTER 9.+6.8V 8.GNDA 7.-6.8V 6.MIC 5.MIC_DET 4.HP_DET 3.HP_RC 2.GNDA_HP 1.HP_LO SW711 SW714 iPod/iPhone DIRECT CN106 LUG709 CN206 LUG706 CP104 LUG901 JACK701 9PIN CP104 JACK702 C905 C909 HPMIC ASSY VSX-523-K...
  • Page 90 C931 CN106 R603 C608 C609 C610 C611 L2030 R607 HPMIC ASSY CP104 C926 R924 R895 C913 C928 R897 ZD902 C902 C924 C911 R916 ZD901 R913 C917 R907C907 R909 C918 IC902 R902 R911 D901 D902 R925 C914 C919 C923 IC902 VSX-523-K...
  • Page 91 R741 C735 R785 R762 R759 JP102 R784 JP95 1.STBY_KEY 2.INPUT_UP JP103 3.GNDU 4.INPUT_DN 5.ST_H+5V 6.POWER_LED 7.CNT_LED R774 R775 R772 J203 C903 C922 J206 CN104 CN702 INSEL ASSY Q705 R789 C758 C765 C761 R751 Q710 D712 D711 Q705 CP702A Q710 VSX-523-K...

  • Page 92: Smps And Reg Assys

    JP161 JP159 13.A-12V 12.AGND1 6.USB_GND 5.USB_GND 11.AGND1 4.USB_GND CN302_A 3.USB_+12V JP163 2.USB_+12V 10.A+12V 1.USB_+12V 9.AGND1 8.V+5V 7.PDN JP172 JP173 T4A/250V(SS-5) T4A/250V(SS-5) JP187 JP188 CN302_B CN301_B JP179 JP178 JP177 JP175 JP185 JP186 JP184 CN301_A ZD81 ZJ12B ZD82 JP183 ZJ22B JP182 VSX-523-K...
  • Page 93 SIDE A SECONDARY RIMARY BONDING R120 4.7(1W) C103 TR102 BONDING C106 5600UF/6.3V 1PIN D103 BONDING 30SC6MT L102 100M IC102 IC116 IC116 EE2525V BONDING C112 33UF/63V BANTING TYPE 4007 F101 FUSE ZD114 ZJ6.2B IC100 CX101 7PIN/WIRE CX101 CN101 VSX-523-K...
  • Page 94 SIDE B SMPS ASSY SECONDARY R109 R108 R118 R112 C113 C140 C139 C136 R123 CX101 Q429 VSX-523-K...
  • Page 95 SIDE B C135 D112 PRIMARY KDZ20B CX100 REG ASSY Q429 VSX-523-K...

  • Page 96: Wg, G-L And G-R Assys

    11.7 WG, G-L and G-R ASSYS SIDE A SIDE A WG ASSY G-L ASSY G-R ASSY SIDE B SIDE B G-L ASSY G-R ASSY WG ASSY VSX-523-K...

  • Page 97: Pcb Parts List

    R 510,587 C000033065520-IL R 588,589 C060010165060-IL CAPACITORS Mark No. Description Part No. C 55,58 D040682088010-IL MAIN ASSY SEMICONDUCTORS D-MAIN ASSY IC 400 J084152180010-IL SEMICONDUCTORS IC 401-403,406 J121458001010-IL IC 1200 J127410500010-IL IC 2004 J126283133010-IL IC 1203 J170747810010-IL IC 2005,2006 S-1170B50UC-OUJ VSX-523-K...
  • Page 98 COIL,LINE FILTER D320201405510-IL J5023206Y0050-IL RY 101 RELAY G680060103030-IL D 9001 K06005R134522-IL T 101 TRANS,SWITCHING E060252505510-IL D 9002,9003 K06004R344522-IL CN 9100 CN.WAFER 7.92MM L108396030010-IL CN 9102 CN.WAFER 7.92MM L108011430210-IL MISCELLANEOUS VR 1 VR,SEMI CARBON MOLD C541102315000-IL 100,102 BRACKET 4010215796000-IL BRACKET 4010210196000-IL VSX-523-K...
  • Page 99 K000400700220-IL D 19,20 K005041480230-IL D 9081 K06012R044522-IL RESISTORS R 41,42 C060R22065050-IL CAPACITORS C 84 D040472084020-IL C 85 D040102084060-IL WG ASSY There is no service parts. G-L ASSY There is no service parts. G-R ASSY There is no service parts. VSX-523-K...

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