Pioneer VSX-5231 Service Manual
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Pioneer VSX-5231 Service Manual

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AV Receiver
VSX-5231
THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S).
Model
Type
VSX-5231
CUXESM
This service manual should be used together with the following manual(s).
Model No.
VSX-523-K/CUXESM
For SPECIFICATIONS and PANEL FACILITIES, refer to the operating instructions.
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
Power Requirement
AC 120 V
Order No.
RRV4418
1-1, Shin-ogura, Saiwai-ku, Kawasaki-shi, Kanagawa 212-0031, Japan
2013
VSX-5231
Remarks
K-ZZZ JULY
ORDER NO.
RRV4483
Remarks
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 Ex.2 When there are 3 effective digits (such as in high precision metal film resistors). 562 x 10 5621 RN1/4PC CONTRAST TABLE VSX-523-K/CUXESM and VSX-5231/CUXESM are constructed the same except for the following: Mark Symbol and Description VSX-523-K/CUXESM VSX-5231/CUXESM Remarks...
  • Page 3 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 4: 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 5: Table Of Contents

    CONTENTS SAFETY INFORMATION................................2 1. SERVICE PRECAUTIONS ..............................4 1.1 NOTES ON SOLDERING ............................... 4 1.2 NOTES ON REPLACING PARTS ........................... 4 1.3 SERVICE NOTICE................................4 2. SPECIFICATIONS................................. 5 3. BASIC ITEMS FOR SERVICE .............................. 6 3.1 CHECK POINTS AFTER SERVICING ........................... 6 3.2 JIGS LIST ..................................

  • Page 6: Service Precautions

    1. SERVICE PRECAUTIONS 1.1 NOTES ON SOLDERING • For environmental protection, lead-free solder is used on the printed circuit boards mounted in this unit. Be sure to use lead-free solder and a soldering iron that can meet specifications for use with lead-free solders for repairs accompanied by reworking of soldering.

  • Page 7: Specifications

    2. SPECIFICATIONS Amplifier section Accessories Continuous average power output of 80 watts* per channel, min., at 8 ohms, from 20 Hz to 20 000 Hz with no more than 0.08 %** total harmonic distortion. Front (stereo) ............80 W + 80 W Power output (1 kHz, 6 Ω, 1 %) ......

  • Page 8: Basic Items For Service

    3. BASIC ITEMS FOR SERVICE 3.1 CHECK POINTS AFTER SERVICING Items to be checked after servicing To keep the product quality after servicing, confirm recommended check points shown below. Procedures Check points Confirm whether the customer complain has been solved. The customer complain must not be reappeared.

  • Page 9: Pcb Locations

    3.3 PCB LOCATIONS OPTCO ASSY SMPS ASSY D-MAIN ASSY CPU ASSY MAIN ASSY CONCT ASSY WG ASSY AMP5 ASSY G-L ASSY REG ASSY G-R ASSY HPMIC ASSY FUSB ASSY INSEL ASSY FRONT ASSY NOTES: Parts marked by “NSP” are generally unavailable because they are not in our Master Spare Parts List. The >...

  • Page 10: Block Diagram

    4. BLOCK DIAGRAM 4.1 OVERALL WIRING DIAGRAM AC CORD OPTCO ASSY or INLET (7028073313010-IL) (S1) AC-IN 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...
  • Page 11 When ordering service parts, be sure to refer to "EXPLODED VIEWS and PARTS LIST" or "PCB PARTS LIST". 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.

  • Page 12: Audio Block Diagram

    4.2 AUDIO BLOCK DIAGRAM MAIN ASSY • AUDIO PART Q419 Q426 D-MAIN ASSY IC2016 VSX-523-K Downloaded from www.Manualslib.com manuals search engine...
  • Page 13 CPU ASSY FRONT ASSY HPMIC ASSY MAIN ASSY OPTCO ASSY AMP5 ASSY FUSB ASSY VSX-523-K Downloaded from www.Manualslib.com manuals search engine...

  • Page 14: Power Supply Block Diagram

    4.3 POWER SUPPLY BLOCK DIAGRAM MAIN ASSY AUDIO PART A+12V A+6.8V A-6.8V S1(AMP B+/B-) 6.8V 6.8V A-12V ZD401 ZD400 ZJ16B ZJ16B S2(+12V,-12V) KIA7805API KIA7812API MAIN TRANS KIA7912PI REG ASSY S4(FLT) SMPS ASSY CN901B L100 F100 LF4ZBE273H R120 4.7(1W) CN901W T101 EE2525V CORD SMPS+5.6V...
  • Page 15 AMP5 ASSY +HIGHB -HIGHB DIO PART VIDEO PART FL-30V FL_AC1 A+12V FL_AC2 V+5V FRONT ASSY A+6.8V A-6.8V ST_H+5V TUNER+5V A-12V Q702 CPU_3.3V VCC_16315 STBY_RLY H+3.3V D-MAIN ASSY AZ1068 IC2017 H+1.8V Q2036 RAQ045P01 Q2026 RAQ045P01 H+3.3V_FETON H+1.8V_ON DSP+3.3V(USB) Q2040 AP1117-1.8V RAQ045P01 IC2015 DSP+1.8V(USB) SMPS+5.6V...

  • Page 16: 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 Downloaded from www.Manualslib.com manuals search engine...
  • Page 17 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 Downloaded from www.Manualslib.com manuals search engine...

  • Page 18: Diagnosis

    5. DIAGNOSIS 5.1 TROUBLESHOOTING No Power This is just for general reference and does not including every single case. No Power Is Stand by? Is the error indicated? Other trouble. (or ON → Stand by) (HDMI LED flashing?) AMP DC Protention works. Disconnect speaker cables if you connect speakers.
  • Page 19 No FL DISPLAY This is just for general reference and does not including every single case. No FL DISPLAY Is the voltage 2.27 Vac Are the voltage 2.3 Vac to 2.5 Vac? to 2.28 Vac? Replace Power transformer. (FRONT Assy CP703 pins 1, 3) (Transformer orange wire) Replace FLT701 or replace FRONT Assy.
  • Page 20 No Sound This is just for general reference and does not including every single case. No Sound Phones When connected phones, When connected phones, does the relay change to phones? is CN206 pin 4 (HP_DET) Replace HPMIC Assy. (CPU Assy IC203 pin 24 0 → 3.3 V) low? No Problem / No Damage Check connectors between FRONT...
  • Page 21 No Problem / No Damage Check the voltage. Check between MAIN Assy CP110 (MAIN Assy W7 pin 10: +12 V) Replace MAIN Assy. and CONCT Assy CN110. (MAIN Assy W7 pin 13: -12 V) No Check the data signals at the following locations. Check CP15 pin 7 (VOL_CLK), pin 8 (VOL_DATA).
  • Page 22 Is Front L, R speaker output No Repair IC2011 (AK4588) and its sound OK? Input PCM to COAX in or peripheral circuit or replace D-MAIN Assy. OPT in, set Auto Surround Replace D-MAIN Assy. Replace PACK601 (Tuner Pack) Tuner → (Other Analog OK) on MAIN Assy.

  • Page 23: Usb/Ipod Error Message

    5.2 USB/iPod ERROR MESSAGE Functional Name iPod 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 Downloaded from...

  • Page 24: Protection Circuit

    5.3 PROTECTION CIRCUIT [1] Overload and DC Protection Circuit VSX-523-K Downloaded from www.Manualslib.com manuals search engine...
  • Page 25 [2] TEMP Protection Circuit VSX-523-K Downloaded from www.Manualslib.com manuals search engine...

  • Page 26: Ic Information

    5.4 IC INFORMATION (M3030RFGPFP_256K)(CPU ASSY: IC203) MAIN CPU • Pin Function Symbol Description DIRECT_SEL Not used CNT_LED Not used 3959_RST MFI IC reset signal 3959_PWR MFI IC Power control pin POWERDOWN Power down signal input pin Not used Remote control signal input pin Ground CNVSS_UP Switches processor mode...
  • Page 27 Symbol Description C_RLY Tr driven control pins at the Center speaker output Relay (active at H) Not used SP_DC HDMI LED on/off control pin if Speaker DC Protection NET_PWR Control pin HDMI IC +5 V REG. IC (on: H) H+1.8V_ON Control pin HDMI IC +1.8 V REG.
  • Page 28 (EPF025A)(D-MAIN ASSY: IC2001) SUB CPU • Pin Function Symbol Description Not used CSCK_MAIN Clock signal input from main CPU SCDO_MAIN Data signal input from main CPU HSCL IIC clock signal output pin HSDA IIC data signal in/output pin +3.3 V power supply Not used +3.3 V power supply Ground...

  • Page 29: Service Mode

    6. SERVICE MODE [1] Display mode for numbers of protection detections [Purpose] The numbers of detections for various protection processes are displayed. [How to enter/exit] During Standby mode, simultaneously press and hold the [PRESET k] and [STANDBY/ON] keys for 2 seconds to enter this mode.
  • Page 30 [2] Reset mode for numbers of protection detections [Purpose] For clearing all the counts of protection detections. (This mode resets the counts of protection detections.) [How to enter/exit] During Standby mode, simultaneously press and hold the [ALC/STANDARD SURR] and [STANDBY/ON] keys for 10 seconds to enter this mode.
  • Page 31 [3] The unit’s operation when a error is detected [Purpose] • The unit’s operation when a DC/OVER/TEMP error is detected is described here. • How to cancel the status after detection of a DC error is described here, because no key input will be accepted after a DC error detection.
  • Page 32 3.3 TEMP (AMP overheat) error detection For detection of a TEMP error, the unit monitors both the TR_DET and PROTECT2 signals. If a TEMP error is detected, the processes shown below will be performed. The processes shown below are rough operational specifications and are not the actual commands from the mounted components.

  • Page 33: Disassembly

    7. DISASSEMBLY Note: Even if the unit shown in the photos and illustrations in this manual may differ from your product, the procedures described here are common. Some connections of the housing wires or connectors may be tight. When disconnecting those wires or connectors, be careful not to damage them.
  • Page 34 2. Disassembly Note: For performing the diagnosis shown below, the following jigs for service is required: • Board to board extension jig cable (GGD1846) • Board to board extension jig cable (GGD1847) • Board to board extension jig cable (GGD1848) [1] Front Panel Section Remove the cabinet by removing the 10 screws.
  • Page 35 [2] Heatsink Section Caution: Heatsink section in work becomes hot, and be careful with it. Remove the cabinet by removing the 10 screws. (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.
  • Page 36 [3] D-MAIN Assy Remove the cabinet by removing the 10 screws. [3-1] Disassembly Back chassis (1) Remove the one screw. ×5 (BBT30P100FTB) (2) Remove the five screws. (BSZ30P040FTB) • Rear view CPU Assy CONCT Assy (3) Remove the two screws. CPU Assy CN2003 (BBZ30P080FTC)
  • Page 37 [3-3] Diagnosis of AMP5 Assy (1) Disconnect the one extension jig cable. Borad to board extension (2) Remove the one screw. jig cable (GGD1848) (BBZ30P180FTC) (3) Remove the CONCT Assy by disconnecting the one BtoB connector. (CN110) CN2003 CN109 CN110 CP110 CONCT Assy D-MAIN Assy...
  • Page 38 [4] MAIN Assy Remove the cabinet by removing the 10 screws. [4-1] Back chassis, D-MAIN Assy (1) Remove the 10 screws. Back chassis ×10 (BBT30P100FTB) (2) Remove the five screws. ×5 (BSZ30P040FTB) (3) Remove the D-MAIN Assy. (See procedure [3].) •...

  • Page 39: Each Setting And Adjustment

    8. EACH SETTING AND ADJUSTMENT • If the adjustment is shifted or if it becomes necessary to readjust because of part replacement, etc., perform the adjustment as described below. • Any value changed in Adjustment mode will be stored in memory as soon as it is changed. Before readjustment, take note of the original values for reference in case you need to restore the original settings.

  • Page 40: Updating Of The Firmware

    8.2 UPDATING OF THE FIRMWARE [Purpose] Refer to this section when updating the firmware of each microcomputer is required by the service information, etc. [Necessary Tools and Connections] 1 MAIN microcomputer • PC with a serial port • RS-232C cable (9-pin to 9-pin, straight cable) (Marketing product) •...
  • Page 41 Connect as shown in the figure below. Insert the FFC with its contact surface facing the " mark. USB cable (HDMI/CEC microcomputer) 10P to 10P FFC UPDATE jig GGF1646 USB cable Rear side A type <-> B type Microcomputers update [Procedures] for MAIN microcomputer [ if the following messages are displayed ]...
  • Page 42 5. Set speed update and update the MCU. 1 Set speed of update. 1 Set speed of update. Set Baud rate to 38400. Press the OK button. 2 Update the MCU. E.P.R=>Erase+Program+Read 7. Unplug the AC cord. Disconnect the FFC cable. 2 Update the MCU Press the E.P.R …...
  • Page 43 4. Select the update file. Press the "OpenFile" button. 6. Update Finished HDMI microcomputer. Be chosen automatically to Bank 2 when you choose file of H00 in Bank 0. End the application EPFlash. Select "VSX-423_********.h00" file to update MCU. If a message of "Program BANK0 BANK1 BANK2 OK!" is 5.
  • Page 44 DSP firmware update [Procedures] 1. Select TV fucntion, and, with Signal select as OPTICAL1 then set the unit to STBY_Off mode. 2. Press the SPEAKERS and STANDBY/ON keys simultaneously to enter DSP UpDate mode. ("DSP UP" is displayed.) 3. When "PLAY" is displayed, playback of the .wav file starts. (Play the file only once. NEVER repeat playback.) ("PLAY"...

  • Page 45: Idle Current Adjustment

    8.3 IDLE CURRENT ADJUSTMENT When any component parts which are within the red square on the following circuit diagram are replaced, the idle current adjustment of that channel is required. (Idle current adjustment for another channel is not required.) However, when any capacitors are replaced, the adjustment is not required. (The following circuit diagram is for SL channel, but another channel also has same circuit diagram and same adjustment is required) (SL)

  • Page 46: Exploded Views And Parts List

    9. EXPLODED VIEWS AND PARTS LIST NOTES: Parts marked by “NSP” are generally unavailable because they are not in our Master Spare Parts List. 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.
  • Page 47 PACKING SECTION PARTS LIST Mark No. Description Part No. 1 Remote control (AXD7690) 8300769000010-IL 2 AM Loop Antenna E601019000010-IL 3 FM Wire Antenna E605010140010-IL 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...

  • Page 48: Exterior Section

    9.2 EXTERIOR SECTION HP plate VSX-523-K Downloaded from www.Manualslib.com manuals search engine...
  • Page 49 Sheet speaker ×23 Main chassis Binder Silicon adhesive Clamp (GYA1011) Binder Heatsink Silicon grease (GEM1057) VSX-523-K Downloaded from www.Manualslib.com manuals search engine...
  • Page 50 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 51 VSX-523-K Downloaded from www.Manualslib.com manuals search engine...

  • Page 52: Schematic Diagram

    10. SCHEMATIC DIAGRAM 10.1 MAIN ASSY (1/2) SPEAKER TERMINAL (FL) : Audio Signal Route (Front L ch) VSX-523 : ALL Large (SL) VSX-423 : Front ; Large, Other(Center,Surroud) ; Clips : Audio Signal Route (Surround L ch) : Audio Signal Route (Center ch) (HPL) : Audio Signal Route (Headphone L ch) R1204...
  • Page 53 : Video Signal Route MAIN ASSY (7028073311010-IL) * OSD OPTION TABLE MODEL CUX/JX FLX/AX/PWX (NTSC) (PAL) (NTSC / PAL SELECT) NJM41050VT LOGIC TABLE REF. NO. C609R XTAL1200 14M318(18P) 14M318(18P) 10/50 C614 MUTE J1200 0-1608 C612 L(OPEN) L(OPEN) XTAL1201 17M734(18P) 17M734(18P) C611R 100N-K 4N7-K...

  • Page 54: Main Assy (2/2)

    10.2 MAIN ASSY (2/2) 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 (SW) (SW) of identical designation. R470 C460 R462 R466 10/50 C470 (SW) R461...
  • Page 55 MAIN ASSY (7028073311010-IL) (SW) C407 Q402 82P-J (FL) C401 (FL) R404 INC2001AC1 10/50 R409 C409 (SL) C406 Q405 82P-J R415 INC2001AC1 10/50 R420 (SL) C419 C420 R427 Q406 82P-J INC2001AC1 10/50 R428 4 3 2 1 C426 C439 R433 82P-J Q407 INC2001AC1 10/50...

  • Page 56: D-Main Assy (1/3)

    10.3 D-MAIN ASSY (1/3) H_MCLK -PULL UP(10K) : OxD8/OxDA -PULL DN(10K) : OxC8/OxCA R2512 R2050 HT0_CNTB R2049 R2024 R2051 R2048 R2017 R2042 R2047 510K R2039 DDC0_SDA R2040 DDC0_SCL DDC2_SDA R2477 DDC2_SCL R2478 CEC_OUT DDC3_SDA RXC0- R2500 DDC3_SCL C2334 R2501 CB2016 1U-K HDMI_APLL RXC0+...
  • Page 57 D-MAIN ASSY (7028073351010-IL) C2040 R2104 C2037 100N-K C2041 2N2-K HDMI_VDD18 R2085 CB2008 BD121T 1U-K C2286 (NCP380) C2287 1U-K C2202 100N-K H+5V R2081 C2034 R2076 18P-J C2036 18P-J C2285 1U-K XTAL2001 CB2012 R2107 C2279 100N-K 24MHz-15pF TX2+ CB2011 R2102 JACK2004 C2280 100N-K TX2- AD3PBI19GO-REV.B...

  • Page 58: D-Main Assy (2/3)

    10.4 D-MAIN ASSY (2/3) COAX_IN OPT_IN R214 AIN_R AIN_L R214 GND-H H+5V C2323 100N-K R2458 C2064 100N-K C2080 100N-K R2461 C2090 R2459 R2460 4.7/16 C2092 4.7/16 4.7/16 C2062 C2078 C2093 10P/50 C2061 C2084 10P/50 10P/50 C2089 4.7/16 IC2005 IC2006 C2063 VOUT C2070 VOUT...
  • Page 59 D-MAIN ASSY (7028073351010-IL) R2124 HDMI R2131 COAX R2123 R2187 R2125 L2016 L2013 2.2UH C2133 10N-K GND-H C2155 L2014 330P-J LBC2012T-4.7UH GND-H L2012 AVDD INT1 R2185 LBC2012T-4.7UH BOUT C2128 TVDD 100/6.3-Z8156 XTAL2002 DVDD DVSS AVSS 80.4588_MUTE GNDA 24.576M(10p) C2130 61.RX2 AVDD 10N-K 60.TEST1 C2127...

  • Page 60: D-Main Assy (3/3)

    10.5 D-MAIN ASSY (3/3) D-MAIN ASSY (7028073351010-IL) Q2040 Q2041 RT1N141C RAQ045P01 CP2007 - R2239 R2468 C2336 D2058 L2025 R2240 Q2043 Q2042 RAQ045P01 RT1N141C L2026 0 R2469 C2154 220/16-Z8157 C2154 : TOSHIN KOGYO C2157 C2172 C2173 : TOSHIN KOGYO (6.3*8.4, CE-LL TYPE) 100/6.3-Z8156 100/6.3-Z8156 (22UF-M/16V,...
  • Page 61 C2328 R2304 1000N-K R2306 C2330 1000N-K R2480 R2307 15K-F SMPS+5.6V D2066 R2305 - Vo=5.101V R2484 10K USB+5V R2313 47K L2027 ESR:0.6 - 0.95 VADJ : 1.270 (Typ.) VO=Vadj x (1 + (R2/R1)) CP2007 - R2239 D2067 CN2006 LBAS16HT1G R2240 GND-H C2258 220/6.3-Z8157 C2304...

  • Page 62: Optco, Fusb And Conct Assys

    10.6 OPTCO, FUSB and CONCT ASSYS OPTCO ASSY (7028073313010-IL) IC2009 L1412 SN74AHCU04PWR C1465 L1413 L1414 C1459 R1460 2.2UH 100N-K BLM18PG121SN1D BD121T 22P-J JACK13 RCA-107 R1457 R1455 C1464 100N-K C1452 C1453 R1456 C1458 330P 10N-K R1458 CN2010 C1466 C1467 823/528 : NM R1462 R1464 R1463...
  • Page 63 CN2003 CONCT ASSY L1414 (7028073325010-IL) BD121T JACK1306 RCA-107A 823/528 : NM BKT4 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 64: Cpu Assy

    10.7 CPU ASSY VSX-528/823:11P VSX-423/523:11P CN201 CN204 FPC203 R210 R229 R230 CN203A CN203B 423/523 1.0-11S-10PW 423/523 528/823 528/823 Only CN201 VSX-423/523 C125Z1-33 R230 IC301 AP1117-3.3 R229 R210 GNDU Only R240 VSX528/823 RESET R206 CPU_+3.3V U_TX R205 U_RX R204 CNVSS_UP R203 S_RLY EPM_UP R202...
  • Page 65 CPU ASSY (7028073331010-IL) BKT201 BKT203 GND2 GNDCH C257 C257,C258,C259,C260 C258 J252 J253 BKT202 423/523 0 ohm 528/823 OPEN CN704B 423/523 R331 528/823 823 series FRONT_V F_GND C202 10N-K-1608 -VF(-30V) C201 C242 100N-K-1608 10N-K GNDU C210 C211 10N-K-1608 100N-K CPU_+3.3V C_RLY ST_H+5V STBY_RLY R221 47K...

  • Page 66: Amp5 Assy (1/2)

    10.8 AMP5 ASSY (1/2) (FL) R7FL R8FL ZD1FL R6FL C3FL R19FL ZJ5.1A 100K C19FL 7K5(1) 10/50 47/50 C21FL Q1FL 100P-500V KTA1024Y R20FL R5FL R9FL 7K5(1) R24FL 150K JUMPER 100(1) C9FL 47P-100V C11FL R21FL 22P-500V ZD2FL Q5FL C6FL R17FL ZJ4.3B KTC3964 100P-100V R1FL C4FL...
  • Page 67 (FL) AMP5 ASSY R33FL C29FL R19FL DHPTHF1608_471P95T 100N-K 7K5(1) TP1FL C21FL (7028073341010-IL) 20010WR-03 C454 100P-500V R455 10N-K Q8FL 2N5401S R32FL 330K R24FL Q6FL R38FL 2SD2390 100(1) D5FL R34FL R39FL LBAS16HT1G 270K ZD2FL Q451 R35FL ZJ4.3B 2N5401S R37FL R451 D3FL R26FL R27FL C27FL Q9FL...

  • Page 68: Amp5 Assy (2/2)

    10.9 AMP5 ASSY (2/2) (SL) R7SL R8SL ZD1SL R6SL C3SL R19SL ZJ5.1A 100K C19SL 7K5(1) 10/50 47/50 C21SL Q1SL 100P-500V KTA1024Y R20SL R5SL R9SL 7K5(1) Q6SL 150K JUMPER R24SL 2SD2390 C9SL 100(1) 47P-100V C11SL R21SL 22P-500V ZD2SL Q5SL C6SL R17SL ZJ4.3B KTC3964 100P-100V...
  • Page 69 AMP5 ASSY (7028073341010-IL) R33SL C29SL DHPTHF1608_471P95T 100N-K TP1SL 20010WR-03 Q8SL R32SL 390K 2N5401S Q6SL R38SL 2SD2390 D5SL R34SL R39SL LBAS16HT1G 270K R35SL R37SL R26SL R27SL C27SL Q9SL R36SL 0R47(2) 0R47(2) (SL) (SL) 2N5551S R29SL R28SL 0R47(2) 0R47(2) Q7SL 2SB1560 R33SR C29SR DHPTHF1608_471P95T 100N-K...

  • Page 70: Insel, Front And Hpmic Assys

    10.10 INSEL, FRONT and HPMIC ASSYS FRONT ASSY (7028073321010-IL) PRESET PHASE AUTO HVS RDS TP TA PTY ST TUNE ZONE SP HD D+EX PLIIx ADV.S. DIGITAL DTS HD ES 96/24 NEO:6 HDMI FLAC_1 CP703 5267-3PAN L702 10UH(02) FLAC_2 FLAC_2 10N-K C727 C766 C728...
  • Page 71 ESET R608 GNDF GNDF FRONTV FRONTV HDMI R603 JK601 L2030 VIDEO DLP31SN121ML2 R609 D904 LUG709 D905 VSX-1023/43/828 LUG706 R736 R743 R744 C725 10N-K Q701 Q706 RT1N237C RT1N237C HPMIC ASSY (7028073322010-IL) Q707 Q708 Q709 MC701 34FS9A C920 C928 C927 C926 C915 (HPL) (HPL) C921...

  • Page 72: Smps Assy

    10.11 SMPS ASSY SMPS ASSY (7028073361010-IL) F101 FUSE OPTION VERSION F101 GBL206(LRC) 100V, 110V, 120V, 110-127V / 220-240V T8AL/250V 220V, 220-230V, 220-240V T6.3AL/250V CN901B F100 L100 3.15A LF4ZBE273H FROM AC-CORD CN901W NOT USED AC INLET AC INLET OPEN LUG903,904 2P LUG CX100 OPEN JE202B1T2...
  • Page 73 C128 OPEN R120 4.7(1W) T101 EE2525V L102 10UH D105 R119 UF4007 C112 33UF/63V C113 R112 100N-K 3.5A D5.6V D5.6V Vref=1.24V D5.6V DGND DGND C125 DGND C138 OPEN(1608) RYAC (1608) CX101 7P (2.5PITCH) R123 TR102 KTC3198Y C115 GND PATTERN ARTWORK 1500P/250V C124 OPEN(1608) F101 FUSE...

  • Page 74: Reg Assy

    10.12 REG ASSY REG ASSY (7028073312010-IL) KIA7805API KIA7812API KIA7912PI R_NO ZD82 Q429 ZJ22B RT1N237C JX/FX/DLX 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 1N4007 47N(EB)-100V VSX-528/823 ONLY 1N4007 OPEN CUX/FLX/PWX/AX OPEN SYX/JX...
  • Page 75 ZD82 Q429 ZJ22B N237C OPEN LBAS16HT1G LBAS16HT1G 0R22(1) 47N(EB)-100V 47N(EB)-100V 47N(EB)-100V 0R22(1) VSX-528/823 ONLY OPEN WX/AX 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 Downloaded from...

  • Page 76: Pcb Connection Diagram

    11. PCB CONNECTION DIAGRAM 11.1 MAIN ASSY SIDE A NOTE FOR PCB DIAGRAMS : 1. The parts mounted on this PCB include all necessary parts for several destinations. For further information for respective destinations, be sure to check with the schematic diagram.
  • Page 77 SIDE A MAIN ASSY JACK401 JACK402 C609L JACK403 JP72 C609R JP107 JP100 R468 JP90 C542 C541 JP91 R463 C1234 C499 TUNER_INT TUNER _SDIO PACK601 TUNER_SCLK JP108 TUNER_SEN TUNER_RST C1230 OSD_RST C506 OSD_CE C1231 R1241 OSD_CLK OSD_DATA R1240 CLT_A CTL_B R1243 AGND C460 C492...
  • Page 78 SIDE B MAIN ASSY R521 R530 C618 R1237 C1254 D417 D416 R1206 C465 C611L R608L C611R R1204 R608R C505 R541 R532 C607 R470 C1204 C472 C611 C539 C610 R592 C543 C540 R595 Q416 C1227 R635 C608 C544 C609 R1234 R1260 C1255 R1251 C1258...
  • Page 79 SIDE B C465 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 80: D-Main, Optco And Fusb Assys

    11.2 D-MAIN, OPTCO and FUSB ASSYS SIDE A D-MAIN ASSY OPTCO ASSY Q2007 D2031 D2015 Q2003 D2045 D2047 D2049 D2039 D2023 R2319 R2318 R2315 D2035 D2019 D2027 D2011 R2314 D2050 C2343 R2035 R2320 R2317 D2003 D2007 D2046 D2048 R2031 COAX GNDD V+3.3 GNDD...
  • Page 81 SIDE A Q2007 Q2006 Q2005 Q2007 Q2005 Q2006 R2321 R2036 Q2003 Q2001 R2024 Q2002 R2000 D2000 D2030 D2014 D2029 D2013 D2028 D2012 Q2003 Q2002 Q2001 D2038 D2022 D2006 D2037 D2021 D2005 D2036 D2020 D2004 R2028 R2008 R2032 D2034 D2018 D2033 D2017 D2032 D2024...
  • Page 82 SIDE B D-MAIN ASSY CB2007 C2049 C2301 R2071 D2074 C2288 R2041 C2339 D2062 C2118 C2116 C2370 R2037 C2372 R2038 C2054 Q2027 Q2027 C2046 D2079 C2048 C2047 C2368 C2371 C2367 CB2004 C2369 R2042 CB2016 R2047 R2048 C2030 R2051 R2049 R2050 R2074 C2080 R2039 C2084...
  • Page 83 SIDE B OPTCO ASSY R2106 CB2023 C2301 C2341 C2288 R2041 C2116 CB2001 C2370 C2372 C2054 C2359 C2011 C2046 C2048 C2047 C2362 C2368 C2285 C2371 R2080 C2367 R2081 C2369 R2048 R2051 R2049 R2050 C2039 C2056 C2117 R2139 R2130 R2138 R2090 D2060 C2100 R2323 R2115...

  • Page 84: Conct And Cpu Assys

    11.3 CONCT and CPU ASSYS SIDE A CONCT ASSY BKT100 15.AIN_R 15.AIN_R 14.GNDA 14.GNDA 13.AIN_L 13.AIN_L 12.GNDA 12.GNDA 11.FRIN 11.FRIN 10.GNDA 10.GNDA 9.FLIN 9.FLIN 8.GNDA 8.GNDA 7.SRIN 7.SRIN 6.GNDA 6.GNDA 5.SLIN 5.SLIN 4.GNDA 4.GNDA 3.CIN 3.CIN 2.GNDA 2.GNDA 1.SWIN 1.SWIN 15PIN 15PIN CN204...
  • Page 85 SIDE A BKT100 15.AIN_R 14.GNDA 13.AIN_L 12.GNDA 11.FRIN 10.GNDA 9.FLIN 8.GNDA 7.SRIN 6.GNDA 5.SLIN 4.GNDA 3.CIN 2.GNDA 1.SWIN 15PIN 9.+6.8V 8.AGND 7.-6.8V 6.MIC 5.MIC_DET 4.HP_DET 3.HP_RO JP158 2.HP_AGND 1.HP_LO N201 C303 JP84 JP66 29.GND-H JP32 C3042 28.GND-H 27.CEC_IO 26.XMHLPERR 25.USBDCERR 24.THRU_LED/DC 23.CNT_LED 22.VOL_DN...
  • Page 86 SIDE B C934 C936 CPU ASSY 9.+6.8V 8.AGND 7.-6.8V 6.MIC 5.MIC_DET 4.HP_DET 3.HP_RO 2.HP_AGND 1.HP_LO C213 R330 C212 D209 C306 C305 D208 J307 J214 R357 R358 C246 R338 C247 R339 J289 R312 29.GND-H R313 28.GND-H R353 27.CEC_IO 26.XMHLPERR C248 R340 25.USBDCERR R314 24.THRU_LED/DC...
  • Page 87 SIDE B CONCT ASSY C934 C936 CN201 CN203A R230 J333 R229 R331 R213 R329 R328 R210 R330 J201 J305 R212 R211 R307 R305 R319 R321 C305 IC301 J290 L3002 J287 R221 R357 R222 R358 C246 R323 R338 C247 R219 R339 J289 C242 R332...

  • Page 88: Amp5 Assy

    11.4 AMP5 ASSY SIDE A CP401 AMP5 ASSY C4FL CP401 C3FL VR1FL VR1SL C4SL VR1C C3SL R6FL TP1FL Q2FL ZD1FL R9FL Q2SL ZD1SL ZD1C Q3FL R9SL TP1SL JP91 GND2 Q1FL R8FL C12SL C12C R5FL Q3SL R6SL R15SL R15C R5SL R14C R14FL R14SL R7FL...
  • Page 89 SIDE A CP402 CP403 TEST : NM TP1FR VR1SR VR1FR C4FR C4SR C3SR C3FR TP1C TP1SR Q2SR Q2FR ZD1SR ZD1FR R9SR R9FR C12C C12SR C12FR Q3SR Q3FR R6SR R6FR R15C R15SR R15FR R5SR R5FR JP90 JP51 R14C R14SR CP403 GND3 C455 CP402 R30C...

  • Page 90: Insel, Front And Hpmic Assys

    11.5 INSEL, FRONT and HPMIC ASSYS SIDE A FRONT ASSY C737 ZD701 L701 FLT701 FLCT CUX:1ohm HLR2 HLR1 other:2.2ohm LED701 JP97 JP111 JP112 SW705 SW703 SW702 SW704 SW716 SW707 BAND TUNER - SW706 TUNER EDIT TUNE+ DIMMER 1.STBY_KEY SPEAKERS DISPLAY 2.INPUT_UP 3.GNDU 4.INPUT_DN...
  • Page 91 SIDE A CN704B CN704A 29.GND-H 28.GND-H 27.CEO_IO 26.XMHLPERR 25.USBDDCERR 24.THRU_LED/DC 23.CNT_LED JP70 22.VOL_DN LUG703 21.VOL_UP 20.IN_DN HLR2 19.KEY1 18.KEY3 17.KEY2 16.IN_UP 15.FLT_CE 14.FLT_CLK 13.FLT_DATA 12.STBY_RLY 11.RMC 10.STH+5V LED702 LED703 9.STH+5V 8.CPU +3.3V 7.CPU +3.3V 6.GNDU JP111 5.GNDU 4.FL-30V 3.FL-30V C731 2.GNDF 1.FRONTV RMC701...
  • Page 92 SIDE B Q703 Q709 Q704 Q708 Q706 FRONT ASSY CN704A C752 D710 D708 C751 D709 D707 C725 C715 C729 Q704 Q708 Q706 JP58 JP54 Q709 JP57 JP60 JP53 29.GND-H 28.GND-H JP59 JP55 27.CEO_IO 26.XMHLPERR R747 JP56 R746 25.USBDDCERR 24.THRU_LED/DC 23.CNT_LED 22.VOL_DN 21.VOL_UP C732...
  • Page 93 SIDE B Q701 IC701 Q707 R737 C746 R788 C715 JP58 JP54 JP50 Q701 JP57 JP53 JP52 JP51 JP59 JP55 JP56 Q707 R745 R735 C733 R739 R740 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 R775 7.CNT_LED...

  • Page 94: Smps And Reg Assys

    11.6 SMPS and REG ASSYS SIDE A SMPS ASSY CAUTION : REPLACE WITH SAME TYPE FUSE(S). ATTENTION : UTILISER UN FUSIBLE DE RECHANGE DE MEME TYPE. PRIMAR C102 100UF/400V C103 BONDING C131 0.01UF/250V RL101 JZC-36FD/005-HLT R114 C117 0.01UF/250V GBL206 C109 C105 470P/250V BONDING...
  • Page 95 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 Downloaded from www.Manualslib.com manuals search engine...
  • Page 96 SIDE B SMPS ASSY SECONDARY R109 R108 R118 R112 C113 C140 C139 C136 R123 CX101 Q429 VSX-523-K Downloaded from www.Manualslib.com manuals search engine...
  • Page 97 SIDE B C135 D112 PRIMARY KDZ20B CX100 REG ASSY Q429 VSX-523-K Downloaded from www.Manualslib.com manuals search engine...

  • Page 98: 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 Downloaded from www.Manualslib.com manuals search engine...

  • Page 99: Pcb Parts List

    12. PCB PARTS LIST NOTES: Parts marked by “NSP” are generally unavailable because they are not in our Master Spare Parts List. 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.
  • Page 100 Mark No. Description Part No. Mark No. Description Part No. IC 2008 MM3529A33P RESISTORS IC 2011 J080458800010-IL R 16 C060047065060-IL IC 2014 J040742570040-IL R 24,25 C060010165060-IL R 26-29 N113136647820-IL IC 2018 J001986466010-IL R 33 F320471000950-IL IC 2024 J127380010060-IL R 452 C060010165060-IL IC 2026 J000240160080-IL...
  • Page 101 Mark No. Description Part No. FU 100 FUSE GLASS TUBE 20MM (3.15 A) N751503151160-IL FU 101 FUSE GLASS TUBE 20MM (T8AL/250V)N751508001160-IL RESISTORS R 100 C060068564520-IL R 116 C060R68065050-IL R 120 C0604R7065050-IL CAPACITORS C 100 D02110407H010-IL C 102 D04010108K000-IL C 103 D00810207Q010-IL C 104,105 D00847127H010-IL...

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