Pioneer VSX-323-K Service Manual
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AV Receiver
VSX-323-K
THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S).
Model
Type
VSX-323-K
SYXE8
VSX-323-K
PWVXE8
VSX-323-K
DLXE
This service manual should be used together with the following manual(s).
Model No.
HTP-072/CMXESM
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 220 V to 230 V
AC 220 V to 240 V
AC 110 V to 127 V/220 V to 240 V
Order No.
RRV4432
VSX-324-K-P/YXE8, DLXE,
1-1, Shin-ogura, Saiwai-ku, Kawasaki-shi, Kanagawa 212-0031, Japan
2013
VSX-323-K
Remarks
PWXE
K-ZZZ MAY
ORDER NO.
RRV4438
Remarks
2013 Printed in Japan

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Summary of Contents for Pioneer VSX-323-K

  • 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-324-K-P/YXEB, VSX-323-K/SYXE8, VSX-323-K/PWVXE8 and VSX-323-K/DLXE are constructed the same except for the following: VSX-324-K-P VSX-323-K VSX-323-K VSX-323-K Mark...
  • Page 3 6230212914000-IL 6230213384000-IL 6230213384000-IL 6230213384000-IL P43-18 PE, Sheet 6327040059000-IL 6327040059000-IL 6327040059000-IL 6327040059000-IL NSP P43-24 Warranty Card Not used ARY7158 ARY7158 Not used EXTERIOR SECTION (VSX-323-K) > P46-16 Cord Assy L068250161710-IL L068250161710-IL Not used Not used > P46-17 Socket, Power AC Not used...
  • Page 4 EXPLODED VIEWS PACKING SECTION Dry cell batteries VSX-323-K...
  • Page 5 EXTERIOR SECTION (VSX-323-K) SYXE8 only PWVXE8, DLXE only DLXE only Black White Binder Heatsink VSX-323-K...
  • Page 6 7028073682010-IL 7028073682030-IL 7028073682040-IL Remarks D9301 K06005R144522-IL K06005R144522-IL K06004R744522-IL D9302 Not used Not used K06015R044522-IL > T301 POWER TRANS 8200280150680-IL 8200280150680-IL 8200280150690-IL > CN9301 CN.WAFER 7.92MM L108396030010-IL Not used Not used > CN9303 CN.WAFER 7.92MM Not used Not used L108011430310-IL VSX-323-K...
  • Page 7 Part No. F REG ASSY SEMICONDUCTORS IC 106 J126780500110-IL > IC 107 J126781200040-IL > > IC 108 J126791200060-IL > D 114,115,117,119 K000400700010-IL > D 121 K047100600220-IL RESISTORS R 280,283,284,286 C060R22065050-IL CAPACITORS C 283 D040472084240-IL C 288 D040102084060-IL C 292 D040103083020-IL VSX-323-K...
  • Page 8 2.1 OVERALL BLOCK DIAGRAM TUNER_L MAIN ASSY CD_L SAT_L DVD_L TUNER_R CD_R SAT_R DVD_R AIN_R AIN_L Q419 MUTE_B+ UTC4580E IC401 Q426 +12V VOL_DATA VOL_CLK SW_SUM-MC51 D-MAIN ASSY HDMI_IN_1 OPTCO AS HDMI_IN_2 COAX HDMI_IN_3 HDMI_IN_4 IC2016 HDMI_IN_4 FUSB ASS USB_D+ USB_D- VSX-323-K...
  • Page 9 HP_RO ASSY Q404 Q405 FL_FB FL_FB FL_OUT FR_FB Q410 C_FB Q440 SL_FB SL_FB SR_FB SL_OUT Q446 Q428' C_FB C_OUT Q434' Q452 SR_FB SR_OUT Q458 Q416 MAIN ASSY FR_FB FR_OUT Q422 +12V -HIGHB AMP5 ASSY OPTCO ASSY COAX FUSB ASSY VSX-323-K...
  • Page 10 S1(AMP B+/B-) MAIN B'D 6.8V 6.8V 2.7A A_-12V ZJ16B ZJ16B MAIN TRANS KIA7805API KIA7812API S2(+12V,-12V) 1.0A KIA7912PI REG ASSY S3(+12V) 2.5A REGULATOR B'D S4(FLT) 0.2A HL3-1A-6SH STBY_RLY' STBY ASSY IL1117-3.3 CPU_ST_VCC M3V3 1N4007 1N4007 JE202B1T2 1N4007 CORD 1N4007 CPU B'D VSX-323-K...
  • Page 11 DC/DC_ON2 DC/DC_ON1 DSP+3.3V IL1117-5.0 +12V +12V RAQ045P01 RAQ045P01 A_-12V RAQ045P01 A_-12V CPU_ST_VCC SCPU+3.3V NJM2831F33 H+5V D3V3 VCC_3959 3959_PWR USB5V_ON OVER_CURRENT_DET IC2024 NCP380 +12V OPTCO ASSY USB+5V FUSB ASSY OPT/COAX B'D CPU ASSY USB B'D D3V3 D3V3 CPU B'D M3V3 VSX-323-K...
  • Page 12 2.3 GND BLOCK DIAGRAM AC CORD STBY ASSY STBY B'D MICOM REGILATOR REGULATOR B'D REG ASSY MAIN ASSY CEN_A FL_HP FR_HP FL_A FR_A A+12V A+12V POWER TRANS FRONT B'D INSEL ASSY HP ASSY VSX-323-K...
  • Page 13 D-MAIN ASSY OPTCO ASSY CPU B'D D-MAIN B'D MAIN B'D ASSY CEN_A CEN_A SL_A SR_A FR_A A+12V A+12V A+12V CNT B'D ASSY CPU ASSY A+12V A-12V -HIGHB +HIGHB1 AMP5 ASSY AMP B'D T B'D FRONT ASSY FUSB ASSY VSX-323-K...
  • Page 14 TO CHASSIS C66 - GND4 OPEN WIRE1 #18 WIRE R172 TO SPEAKER Chassis GND DPP ADD DZ101 D107 20121017 KDS4148 MTZ3.3B 6 7 8 9 10 1 2 3 POSISTOR POSISTOR CP203 CN204 TO AMP B'D 1/2F TO AMP B'D VSX-323-K...
  • Page 15 : Audio Signal Route (Headphone L ch) U/DGND MUTE_B+ U/DGND U/DGND SURL DC_PRO R294 U/DGND -VF(-30V) -VF(-30V) HP_RLY HP_DET VOL_DATA VOL_CLK SW_SUM A_MUTE R7(1) THER_DET 1/2F MAIN ASSY 5267-6S (SYXE8 : 7028073651010-IL) (PWVXE8 : 7028073651020-IL) CP111 (DLXE : 7028073651030-IL) 1/2F FROM REGUIATOR B'D VSX-323-K...
  • Page 16 1/50 C516 C517 33P-J C519 33P-J 470K R566 R565 2SK209Y R568 C556 Q426 C520 33P-J RT1P141C C522 33P-J R569 R571 R572 RT1P141C R573 RT1N441C R576 R574 10K C557 R577 C529 C528 10N-K-2012 10N-K-2012 R609 470K R610 470K 1/2F 2/2F VSX-323-K...
  • Page 17 : Audio Signal Route (Center ch) (SW) : Audio Signal Route (SubWoofer ch) (TU) : Audio Signal Route (Tuner L ch) (HP) : Audio Signal Route (Headphone L ch) (CD) : Audio Signal Route (CD L ch) 1/2F 2/2F VSX-323-K...
  • Page 18 R278 R282 D113 R279 D111 R280 D120 0R22(1) D114 1N4007 C283 C285 C2891 4700/25(16*25) FROM 47N(EB)-100V D115 1N4007 TRANS C287 C288 D117 1000/25(10*20) 1N4007 R283 0R22(1) D119 1N4007 VGND RLYGND F100 D121 D10SB60 0R22(1) FROM R284 TRANS 0R22(1) R286 VSX-323-K...
  • Page 19 IC108 IC107 IC106 TRANS IN GND INOUT CP109 R283 JP30 JP34 JP160 JP158 R280 C287 A-12V C231 JP159 RLY_GND JP161 AGND +12V JP163 VGND V+5V HDMI_GND HDMI_GND HDMI_GND HDMI_+12V HDMI_+12V HDMI_+12V C291 SIDE B SIDE B REG ASSY CP109 VSX-323-K...
  • Page 20 R298 R296 R288 CP101 R287 JP65 R290 JP64 C296 R292 R294 Q129 R293 R299 D125 A-12V RLY_GND AGND +12V JP21 VGND C101 V+5V 330/63(12.5*20) ZD25 C102 C103 JP183 ZD24 JP184 VSX-323 MAIN_B'D CN204 CP111 Q129 Q131 Q17 Q130 Q132 VSX-323-K...
  • Page 21 CP110 JP200 19PIN 23PIN JP42 JP134 JP197 JP220 JP38 C446 C486 JP222 R518 JP227 C439 R294 C507 JP226 JP202 R293 JP203 C401 JP135 C509 JP207 R560 ZD25 C103 ZD24 7020-07365-000-0S N_B'D STEP : MP CP110 CP115 CP201 POSISTOR IC1203 VSX-323-K...
  • Page 22 SIDE B MAIN ASSY CP110 Q1207 Q1208 Q1209 Q1208 Q1210 Q419 Q427 Q414 Q425 Q402 Q405 Q406 Q407 Q410 Q426 Q425 Q428 IC406 IC1200 IC401 IC404 IC400 IC402 VSX-323-K...
  • Page 23 SIDE B CP101 CP110 Q417 Q416 C400 IC402 VSX-323-K...
  • Page 24 2SC3964 2SC3964 2SC3964 Q205FR Q206FR 2SB1560P Q205SR 2SD2390P 2SD2390P Q206SR 2SB1560P Q205C 2SD2390P Q208 Q207FR Q202FR Q203FR Q201FR Q207SR Q202SR Q203SR Q201SR Q207C Q202C Q203C Q2 Q205FR Q204FR Q206FR Q205SR Q204SR Q206SR Q205C Q204C SIDE B AMP5 ASSY CP205 VSX-323-K...
  • Page 25 2SC3964 2SC3964 Q206FL Q204FL 2SB1560P 2SC3964 Q206C 2SB1560P Q205FL 2SD2390P 2SD2390P Q205SL 2SD2390P Q206SL 2SB1560P Q202C Q203C Q201C Q207SL Q202SL Q203SL Q201SL Q207FL Q202FL Q203FL Q201FL Q204C Q206C Q205SL Q204SL Q206SL Q205FL Q204FL Q206FL SIDE B CP203 CN204 CP201 VSX-323-K...
  • Page 26 4.4 G-L, G-R and G-S ASSYS SIDE A SIDE B G-L ASSY G-L ASSY CLAMP100 G-R ASSY G-R ASSY G-S ASSY G-S ASSY VSX-323-K...

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Syxe8Pwvxe8Dlxe

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