Pioneer VSX-C301-S Service Manual
  1. Manuals
  2. Brands
  3. Pioneer Manuals
  4. Receiver
  5. VSX-C301-S
  6. Service manual

Pioneer VSX-C301-S Service Manual

Hide thumbs Also See for VSX-C301-S:
Table of Contents

Advertisement

Quick Links

AUDIO/VIDEO MULTI-CHANNEL RECEIVER
VSX-C301-S
THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S).
Model
Type
VSX-C301-S
KUCXU
For details, refer to "Important symbols for good services".
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 2003
STANDBY/ON
PHONES
DIGITAL IN
Power Requirement
AC120V
4-1, Meguro 1-chome, Meguro-ku, Tokyo 153-8654, Japan
MASTER
2
2
DIGITAL
DTS
AUTO
STEREO
PRO LOGIC
II
ADVANCED
PHONES
SOUND MODE
INPUT SELECTOR
VOLUME
FRONT INPUT
VIDEO
L
AUDIO R
DOWN
UP
VSX-C301-S
ORDER NO.
RRV2753
Remarks
T-ZZK MAY 2003 printed in Japan

Advertisement

Table of Contents
loading

Related Manuals for Pioneer VSX-C301-S

Summary of Contents for Pioneer VSX-C301-S

  • 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 By following the instructions in this manual, be sure to apply the prescribed grease or glue to proper portions by the appropriate amount.For replacement parts or tools, the prescribed ones should be used. VSX-C301-S...

  • Page 4: Table Of Contents

    7.1.2 Protection Circuit........................... 81 7.1.3 Specifications of Speaker Detection ..................... 82 7.1.4 Circuit Description..........................83 7.1.5 Troubleshooting ............................. 84 7.1.6 Timing Chart............................86 7.2 PARTS..............................90 7.2.1 IC ................................90 7.2.2 DISPLAY ............................... 96 7.3 CLEANING............................... 97 8. PANEL FACILITIES ............................98 VSX-C301-S...

  • Page 5: Specifications

    • Power Cable • Remote Control Unit (ADG7021) (AXD7350) FM wire antenna (ADH7004) FRONT FRONT AM loop antenna FRONT • Dry Cell Battery (R6P, AA) (ATB7009) FRONT Speaker cable labels (VEM1030) CENTER (ARW7163) CENTER Coaxial cable SURROUND (ADE7087) SURROUND SURROUND SURROUND VSX-C301-S...

  • Page 6: 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.) 2.1 PACKING VSX-C301-S...
  • Page 7 • • • • • • Remote Control Unit AXD7350 Battery Cover AZA7424 NSP 13 Dry cell batteries (R6P,AA) VEM1030 NSP 14 Warranty Card ARY7045 Left Pad 301 AHA7407 Right Pad 301 AHA7408 Spacer AHB7088 Packing Sheet AHG7015 Packing Case AHD8158 Coaxial Cable ADE7087 VSX-C301-S...

  • Page 8: Exterior Section

    2.2 EXTERIOR SECTION Refer to "2.3 INTERIOR SECTION". *Serial Number Label is put on bottom of Under Base. Refer to "2.4 FRONT PANEL SECTION". VSX-C301-S...
  • Page 9 BBZ30P080FZK Screw PPZ30P100FZK Screw BBZ30P060FMC Screw BBZ30P300FZK Screw BBZ30P140FMC J1905 13P FFC/60V ADD7402 NSP 24 Label VRW1629 VIDEO Assy AWX8225 NSP 26 PCB Spacer AEC7156 NSP 27 Energy Star Label AAX7876 J1911 19P FFC/60V ADD7422 NSP 29 Binder ZCA-BK1 VSX-C301-S...

  • Page 10: Interior Section

    2.3 INTERIOR SECTION VSX-C301-S...
  • Page 11 Core Stay B ANG7448 Jack Stay ANG7450 Trans Frame ANG7446 NSP 26 Under Base ANA7151 PCB Support AEC7365 PCB Mold AMR2533 NSP 29 PC Support VEC1749 Foot REC-434 Screw BBZ30P060FMC Screw BCZ40P060FNI Screw BBZ30P180FMC NSP 34 Fuse Card AAX2374 VSX-C301-S...

  • Page 12: Front Panel Section

    2.4 FRONT PANEL SECTION VSX-C301-S...
  • Page 13 FRONT Assy AWX8199 ENCODER Assy AWX8175 Front Panel Assy AXG7186 Front Panel AMB7839 NSP 7 Power Button AAD7696 PIONEER Name Plate VAM1129 • • • • • • Insulator Ring AAK8091 Rubber Foot VEB1325 VOL Ring ABH7220 Volume Knob AAB7252...

  • Page 14: Block Diagram And Schematic Diagram

    FUNCTION SELECTOR IC8401 VIDEO INPUT VIDEO AK4114VQ DIR & DIT OUTPUT VIN1 VOUT3 DVR/VTR TV/BS VIN3 VIN2 IC8501 DSPD56367PV150(AX6) DVR/VTR (to TV) VOUT1 DSP for DECODE VIDEO VIN4 DSP ASSY VIDEO ASSY CN2501 CONTROL (19P) SR IN/OUT INPUT OUTPUT VSX-C301-S...
  • Page 15 HP L CN4203 (15P) CN301 (17P) FRONT ASSY Remote Sensor IC4201 PE5368B Unit STANDBY/ON FL CONTROL P-ON MICROCOMPUTER AMP OUT ASSY 4202 4501 S4501 (3P) (3P) V4301 FL DISPLAY POWER SW ASSY 4206 (5P) 4401 (5P) S4401, S4402 ENCODER ASSY VSX-C301-S...

  • Page 16: Power Supply Blocks

    3.1.2 POWER SUPPLY BLOCKS POWER LINE PRIMARY ASSY AUDIO MOTHER ASSY INPUT ASSY D622-D625 12V ASSY VHVL ASSY 6CH AMP ASSY DSP ASSY MOTHER ASSY VSX-C301-S...
  • Page 17 VSX-C301-S...

  • Page 18: Overall Wiring Diagram

    AUDIO INPUT ASSY (AWX8227) 12V ASSY (AWX8170) AC POWER CORD ADG7021 AC INLET ASSY VKP2126 1/5- MOTHER ASSY PRIMARY ASSY (AWX8197) (AWX8190) 1/2- DSP ASSY (AWX8241) J4601 ADX7442 FRONT IN ASSY (AWX8219) FRONT ASSY (AWX8199) POWER SW ASSY (AWX8174) VSX-C301-S...
  • Page 19 Note : When ordering service parts, be sure to refer to "EXPLODED VIEWS and PARTS LIST" or "PCB PARTS LIST". AMP KAWA ASSY FM/AM (AWX8223) TUNER AMP OUT ASSY MODULE DC FAN MOTOR (AWX8177) ASSY AXM7025 (AXQ7245) 6CH AMP ASSY (AWM7786) DSP KAWA ASSY (AWX8167) VHVL ASSY (AWX8259) D5V ASSY (AWX8224) ENCODER ASSY (AWX8175) VSX-C301-S...

  • Page 20: Fm/Am Tuner Module

    3.3 FM/AM TUNER MODULE FM/AM TUNER MODULE (AXQ7245) FM FRONT END (FM) (FM) (FM) (FM) (FM) (AM) (AM) (AM) MW RF TUNING BLOCK (FM) (AM) OSC : 981 - 2052kHz 9k step VSX-C301-S...
  • Page 21 : The power supply is shown with the marked box. (TX) : AUDIO SIGNAL ROUTE (TUNER) (AM) : AM SIGNAL ROUTE (FM) : FM SIGNAL ROUTE ATF7026 (AM) (TX) (FM) (TX) (TX) (TX) (FM) (FM) (TX) (AM) L201 ATE7003 PLL IC VSX-C301-S...

  • Page 22: Video Assy

    3.4 VIDEO ASSY VIDEO BLOCK VIDEO ASSY (AWX8225) IC2501 NJM2296M REAR PANEL : VIDEO SIGNAL ROUTE : The power supply is shown with the marked box. VSX-C301-S...
  • Page 23 VSX-C301-S...

  • Page 24: Audio Input Assy

    3.5 AUDIO INPUT ASSY AUDIO INPUT ASSY (AWX8227) CN1263 VSX-C301-S...
  • Page 25 AGAINST RISK OF FIRE. REPLACE ONLY WITH SAME TYPE : AUDIO SIGNAL ROUTE (ANALOG) NO. 49102.5 FOR IC820 AND IC821 MFD, BY LITTELFUSE INC. : AUDIO SIGNAL ROUTE (DIGITAL) : The power supply is shown with the marked box. VSX-C301-S...

  • Page 26: Mother Assy (1/5)

    3.6 MOTHER ASSY (1/5) CN201 CN2501 : The power supply is shown with the marked box. CN551 VSX-C301-S...
  • Page 27 CN4203 MOTHER ASSY (AWX8197) DC DETECT: 3-4V OVERLOAD DETECT: 2-3V Short-circuit Fan and Power supply circuit: less than 2V (VH/VL) CN8012 VSX-C301-S...

  • Page 28: Mother Assy (2/5) And Dsp Kawa Assy

    3.7 MOTHER ASSY (2/5) and DSP KAWA ASSY NORMAL : 0V OVERLOAD : 5V IATT ON : +12V OFF : -12V INPUT ATT A/D OVERLOAD DETECT DSP KAWA ASSY (AWX8167) CN8017 CN8003 CN8009 VSX-C301-S...
  • Page 29 MOTHER ASSY (AWX8197) : AUDIO SIGNAL ROUTE (ANALOG) LOW PASS FILTER : AUDIO SIGNAL ROUTE (DIGITAL) For SP CONFIG. MIX AMP : The power supply is shown with the marked box. VSX-C301-S...

  • Page 30: Mother Assy (3/5)

    3.8 MOTHER ASSY (3/5) MOTHER ASSY (AWX8197) VSX-C301-S...
  • Page 31 : AUDIO SIGNAL ROUTE (ANALOG) VSX-C301-S...

  • Page 32: Mother Assy (4/5)

    3.9 MOTHER ASSY (4/5) MOTHER ASSY (AWX8197) VSX-C301-S...
  • Page 33 : AUDIO SIGNAL ROUTE (ANALOG) (HP) : AUDIO SIGNAL ROUTE (HP OUT) 15dB ATT (HP) VOLUME -∞ to -15dB : 5V -14dB to 0dB : -12V MUTE ON : +3V OFF : -12V : The power supply is shown with the marked box. VSX-C301-S...

  • Page 34: Mother Assy (5/5)

    NO. 491004 FOR IC203 MFD, BY LITTELFUSE INC. CAUTION : FOR CONTINUED PROTECTION AGAINST RISK OF FIRE. REPLACE ONLY WITH SAME TYPE NO. 491.630 FOR IC206 MFD, BY LITTELFUSE INC. : The power supply is shown with the marked box. VSX-C301-S...
  • Page 35 J6001 CN4201 VSX-C301-S...

  • Page 36: Dsp Assy (1/2)

    3.11 DSP ASSY (1/2) VSX-C301-S...
  • Page 37 DSP ASSY (AWX8241) CN811 : The power supply is shown with the marked box. VSX-C301-S...

  • Page 38: Dsp Assy (2/2)

    3.12 DSP ASSY (2/2) CN9005 VSX-C301-S...
  • Page 39 DSP ASSY (AWX8241) : The power supply is shown with the marked box. VSX-C301-S...

  • Page 40: Front In And Amp Kawa Assys

    3.13 FRONT IN and AMP KAWA ASSYS FRONT IN ASSY (AWX8219) : 0V No HP : 5V (HP) (HP) J4601 ADX7442 CN1204 (HP) : AUDIO SIGNAL ROUTE (HP OUT) VSX-C301-S...
  • Page 41 CN203 CN1501 : AUDIO SIGNAL ROUTE (ANALOG) : The power supply is shown with the marked box. CAUTION : FOR CONTINUED PROTECTION AGAINST RISK OF FIRE. REPLACE ONLY WITH SAME TYPE NO. 491007 FOR IC4701 MFD, BY LITTELFUSE INC. VSX-C301-S...

  • Page 42: 6Ch Amp Assy

    3.14 6CH AMP ASSY CN3651 to FAN Motor CN3001 (FL) (SW) (SL) Non Distortion Circuit CN3002 VSX-C301-S...
  • Page 43 : FL ch AUDIO SIGNAL ROUTE (SL) : SL ch AUDIO SIGNAL ROUTE : The power supply is shown with the marked box. : C ch AUDIO SIGNAL ROUTE (SW) : Refer to "7. 1. 4 Circuit Description". : SW ch AUDIO SIGNAL ROUTE VSX-C301-S...

  • Page 44: Amp Out Assy

    3.15 AMP OUT ASSY AMP OUT ASSY (AWX8177) (HP) CN252 (HP) OVERLOAD DETECT (HP) SP DETECT DC DETECT : AUDIO SIGNAL ROUTE (ANALOG) (HP) : AUDIO SIGNAL ROUTE (HP OUT) : The power supply is shown with the marked box. VSX-C301-S...
  • Page 45 VSX-C301-S...

  • Page 46: Encoder, Front And Power Sw Assys

    3.16 ENCODER, FRONT and POWER SW ASSYS ENCODER ASSY (AWX8175) FRONT ASSY (AWX8199) J4401 DE010WE0 ENCODER ASSY S4401 : INPUT SELECTOR S4402 : MASTER VOLUME Display Microcomputer VSX-C301-S...
  • Page 47 POWER SW ASSY S4501 : STANDBY/ON LED1 LED2 LED3 LED4 LED5 LED6 LED7 LED8 DOLBY DOLBY SOUND AUTO STEREO ADVANCED PHONES DIGITAL PROLOGIC MODE SW-ON : 0V OTHERS : 5V : The power supply is shown with the marked box. VSX-C301-S...

  • Page 48: Primary, D5V, 12V And Vhvl Assys

    3.17 PRIMARY, D5V, 12V and VHVL ASSYS T1 POWER TRANSFORMER ATS7347 CN202 CN2108 CN203 D5V ASSY (AWX8224) 12V ASSY (AWX8170) VSX-C301-S...
  • Page 49 REPLACE ONLY WITH SAME TYPE NO. 491010 FOR IC201 AND IC202 MFD, BY LITTELFUSE INC. VHVL ASSY (AWX8259) • NOTE FOR FUSE REPLACEMENT FOR CONTINUED PROTECTION AGAINST RISK OF FIRE. CAUTION - REPLACE WITH SAME TYPE AND RATINGS ONLY. VSX-C301-S...

  • Page 50: 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-C301-S...

  • Page 51: Fm/Am Tuner Module

    Printed T-meter Side C211 IC201 CPSC-BS1 94V-0 R221 W107 +10V W108 CN201 W103 BLACK (ANP7458-A) CN201 IC201 Q202 IC202 CN801 SIDE B SIDE B FM/AM TUNER MODULE CN201 CN201 IC201 IC202 (ANP7458-A) Q602 Q201 IC201 Q601 IC202 Q203 Q204 VSX-C301-S...

  • Page 52: Audio Input And 12V Assys

    C729 GDA2 V+12 J620 COAX V+12 V-12 OPT2 W852 GDA2 OPT1 CN901 V+12 W856 GNDD V+5D W857 V+12 CN701 C738 C737 CN901 PYKC F4 (ANP7450-B) CN701 CN901 CN621 CN1262 CN1263 T1 PT 12V ASSY C603 C604 (ANP7450-B) IC601 IC602 VSX-C301-S...
  • Page 53 SIDE B SIDE B IC901 IC704 IC701 IC705 IC702 AUDIO INPUT ASSY CN621 C904 C701 IC901 ÇT IC701 ÇS CN901 CN701 PYKC F4 CN901 CN701 (ANP7450-B) 12V ASSY (ANP7450-B) VSX-C301-S...

  • Page 54: Mother, Dsp Kawa And D5V Assys

    CN1501 CN1501 CN4701 CN901 Q1301 IC206 IC203 IC205 IC4651 Q1501 Q1502 Q1505 Q1506 Q1510 IC1302 IC210 IC9002 Q1264 IC1501 IC1502 IC1503 IC1504 IC1304 IC1303 Q1102 Q1503 Q1504 Q1508 Q1511 Q1513 IC1241 IC1301 Q1263 Q1101 IC1221 Q1507 Q1514 Q1266 Q1265 VSX-C301-S...
  • Page 55 SL O C1269 SW O C1161 CN201 SB O CN801 (ANP7452-A) CN551 CN701 CN1262 KN1201 (ANP7452-A) CN1263 CN9001 CN2501 CN901 IC9001 Q1264 Q9009 Q9008 Q9011 Q9010 Q1104 Q1103 Q1102 Q9003 IC1101-IC1104 Q1263 Q1101 IC1105 Q9006 Q9007 Q1266 Q1265 IC1261 Q9005 VSX-C301-S...

  • Page 56: Mother Assy

    SB O GNDC FR O VCOMG FL O CN801 SR O GNDC SL O SW O R1263 C1262 R808 C1261 R1264 R1262 SB O R1286 (ANP7452-A) CN9001 CN1262 CN1263 CN1262 CN9001 CN1263 Q4651 Q4652 Q801 Q9004 Q9001 Q1262 Q1261 VSX-C301-S...
  • Page 57 MENT DES FUSIBLES IC206 N'UTILISER QUE LA REFERENCE 491.630 DE CHEZ LITTELFUSE INC.. C1365 C1364 R1234 R1233 R1230 C9000 R1529 R1242 R1531 R1226 C1215 R1223 C1214 CN1501 R1197 C1185 (ANP7452-A) R1193 CN1501 D1211 C1212 R1263 C1261 1263 Q4653 Q1512 VSX-C301-S...

  • Page 58: Dsp Assy

    4.4 DSP ASSY SIDE A SIDE A DSP ASSY CN1811 IC8201 CN1264 Q8504 IC8702 IC8301 Q8341 CN1813 IC8701 Q8501 IC8501 CN9005 IC8502 IC8603 IC8601 (ANP7465-A) VSX-C301-S...
  • Page 59 C8544 R8523 C8520 R8309 C8518 C8542 R8310 C8521 R8311 C8540 R8528 R8312 R8313 R8529 R8314 C8539 R8326 C8538 C8529 C8534 C8535 R8537 L8502 R8603 L8602 C8531 R8801 R8812 R8811 R8813 R8602 C8014 IC8602 C8013 C8606 C8605 C8608 C8607 (ANP7465-A) VSX-C301-S...

  • Page 60: Front In Assy

    CONTACT SIDE J4602 FRONT IN ASS'Y HCMK-P3X CAUTION AWX8219 CN4102 C4108 REPLACE WITH SAME TYPE NO. KN4101 J4601 Production Code 491010 FOR IC201,IC202 MFD. BY LITTELFUSE INC. C4101 CN4102 (ANP7453-C) CN1204 SIDE B SIDE B FRONT IN ASSY CN4102 (ANP7453-C) VSX-C301-S...

  • Page 61: Amp Kawa Assy

    CN4701 CN4705 CN4706 ATTENTION EN CAS DE REMPLACEMENT FUSIBLES IC4701 N'UTILISER QUE LA REFERENCE 491007 DE CHEZ LITTELFUSE SLOUT SLOUT INC. SROUT SROUT COUT COUT SBOUT SBOUT GNDS FLOUT FLOUT GNDP PYKC F4 GNDP FROUT FROUT (ANP7450-B) CN4703 J4702 VSX-C301-S...

  • Page 62: 6Ch Amp Assy

    W151 IC3301 W179 R3322 D3324 D3326 D3393 R3328 R3318 W180 D3328 D3322 Q3383 W181 R3320 W182 GNDP C3308 R3387 C3508 D3394 R3518 C3324 W200 R3520 Q3384 W201 D3387 W155 FROUT D3385 R3388 D3386 W156 W203 D3388 W157 (ANP7459-A) CN3651 VSX-C301-S...
  • Page 63 R3534 R3389 R3540 Q3534 R3510 SWOUT Q3534 Q3532 C3504 SWOUT C3506 R3512 GNDS C3510 FLOUT D3582 R3506 FLOUT D3544 R3538 GNDP R3544 GNDP Q3381 FROUT Q3381 FROUT R3592 R3532 R3381 FROUT R3390 R3382 Q3382 Q3382 FAN SIDE (ANP7459-A) CN3651 VSX-C301-S...

  • Page 64: Amp Out Assy

    4.8 AMP OUT ASSY SIDE A SIDE A AMP OUT ASSY JA301 W111 CN252 W127 Q307 Q307 19.FROUT FROUT FLOUT FLOUT GNDS COUT R324 COUT SROUT SROUT SLOUT SLOUT GNDREG GNDREG V+15 1.ACB CN4703 (ANP7450-B) CN301 CN9010 VSX-C301-S...
  • Page 65 Q314 D323 Q301 Q319 Q318 19.FROUT FROUT FLOUT FLOUT GNDS C325 Q305 COUT COUT SROUT SROUT SLOUT R325 SLOUT D313 GNDREG Q309 R344 GNDREG V+15 1.ACB Q313 R343 R350 Q317 Q310 R348 R347 Q312 R361 CN301 R360 (ANP7450-B) CN301 VSX-C301-S...

  • Page 66: Encoder, Front And Power Sw Assys

    4.9 ENCODER, FRONT and POWER SW ASSYS SIDE A CN9006 FRONT ASSY CN4203 CONTACT SIDE D4205 D4203 D4204 D4206 CN4203 AWX8199 AWX8173 AWX8205 AWX8214 X4201 AWX8202 AWX8196 AWX8211 AWX8217 4202 FRONT ASS'Y 4501 4501 J4201A POWER SW ASS'Y AWX8174 AWX8206 HCMK-P3X (ANP7453-C) POWER SW ASSY VSX-C301-S...
  • Page 67 SIDE A CN207 CN4201 CONTACT SIDE D4210 D4209 D4206 D4207 D4208 CN4201 AWX8214 AWX8217 C4218 4201 L4201 V4301 HCMK-P3X (ANP7453-C) 4401 ENCODER ASS'Y HCMK-P3X AWX8175 S4402 ENCODER ASSY (ANP7453-C) VSX-C301-S...
  • Page 68 R4216 R4224 R4215 R4203 C4215 C4216 R4241 R4214 FENCA FENCB R4213 GNDU R4212 VENCB VENCA R4243 R4211 R4244 HCMK-P3X C4217 IC4201 Q4208 Q4206 4401 HCMK-P3X R4404 R4403 C4401 C4404 R4402 C4405 R4401 C4406 ENCORDER ASSY AWX8175 (ANP7453-C) ENCODER ASSY VSX-C301-S...
  • Page 69 R4218 R4231 R4230 C4229 R4229 D4211 Q4201 R4210 R4216 R4215 Q4202 Q4211 Q4210 AWX8196 AWX8173 AWX8202 AWX8199 AWX8205 AWX8211 AWX8214 FRONT ASSY AWX8217 (ANP7453-C) Q4204 Q4203 Q4210 Q4202 Q4201 4501 POWER SW ASSY AWX8174 AWX8206 (ANP7453-C) POWER SW ASSY VSX-C301-S...

  • Page 70: Primary Assy

    CN503 PRIMARY C502 SECONDARY T501 TVMUTE PRINTED SIDE IC551 CN551 (ANP7450-B) J9002 SIDE B SIDE B PRIMARY ASSY CN551 AWX8179- -U AWX8244- -U D557 AWX8190- -U AWX8245- -U AWX8192- -U R555 AWX8222- -U Q551 CN551 CN502 (ANP7450-B) CN502 CN501 VSX-C301-S...

  • Page 71: Vhvl Assy

    IC201 2.GND 1.ACB GNDP IC202 6.VL+ W202 VHVL ASS'Y AWX8178- -U BOND PYKC F4 AWX8165- -U W201 AWX8259- -U AWX8260- -U (ANP7450-B) CN201 CN206 T1 PT J4702 SIDE B SIDE B VHVL ASSY CN206 CN201 PYKC F4 CN252 (ANP7450-B) VSX-C301-S...

  • Page 72: Video Assys

    SIDE B VIDEO ASSY CN2501 R2528 AWX8181- -U CN2501 AWX8191- -U D2505 PYKC F4 AWX8225- -U AWX8247- -U C2515 C2516 R2525 AWX8248- -U D2511 C2508 C2509 R2508 R2522 R2509 R2527 C2519 C2521 C2520 C2506 C2517 (ANP7450-B) Q2505 IC2501 Q2504 Q2503 VSX-C301-S...

  • Page 73: Pcb Parts List

    D202 MTZJ5.1C FM FRONTEND AXF7003 AM RF TUNING BLOCK AXX7071 COILS AND FILTERS L201 FM DETECTOR COIL ATE7003 F202 CERAMIC FILTER ATF-107 F201 CERAMIC FILTER ATF-119 VIDEO ASSY F203 AM CERAMIC FILTER ATF7026 SEMICONDUCTORS IC2501 NJM2296M CAPACITORS Q2501 2SA1515 VSX-C301-S...
  • Page 74 OTHERS C211 CEAT220M50 621 5P CABLE HOLDER 51048-0500 C214 CEAT221M25 CN704 4P PIN JACK AKB7015 C9002 CEAT221M6R3 CN621 3P TOP POST B3B-EH J620 JUMPER WIRE 5P D20PYY0510E C1253,C1254 CEAT331M10 JA901, JA902 OPT. LINK IN GP1FA513RZ C212 CEAT331M50 C209 CEAT332M16 VSX-C301-S...
  • Page 75 C8010,C8202,C8207,C8213,C8215 CKSRYB104K16 CN1264 10P FFC CONNECTOR VKN1241 C8407,C8420,C8422,C8504,C8513 CKSRYB104K16 KN1201 WRAPPING TERMINAL VNF1084 C8521,C8523,C8525,C8527,C8529 CKSRYB104K16 X9001 CERAMIC RESONATOR ASS7032 C8531,C8533,C8535,C8537,C8538 CKSRYB104K16 (15.7 MHz) C8540,C8542,C8544,C8550,C8702 CKSRYB104K16 C8705,C8901,C8903 CKSRYB104K16 DSP KAWA ASSY C8516 CKSRYB105K6R3 C8514 CKSRYB333K16 CAPACITORS C8203 CKSRYB473K50 C1802 CCSRCH101J50 VSX-C301-S...
  • Page 76 > IC71 NJM7912FA R67, R68 RS1/16S2201F > IC3301,IC3401 STK402-270 > RS1/16S330J Q3382 2SA1576A RS1/16S4700F 2SB1237X Q111, Q3381,Q63 2SC4081 Other Resistors RS1/16S###J > 2SD2012 OTHERS Q3301,Q3302,Q3401,Q3402 2SD2114K Q3501,Q3502,Q3504 2SD2114K CN3001,CN3002 23P PLUG AKP7064 Q3654 2SD2144S CN3651 PLUG(2P) KM200SA2 Q3653 DTA124EUA VSX-C301-S...
  • Page 77 CN203 19P PLUG AKP7062 SEMICONDUCTORS > IC551 NJM78M56FA Q551 2SC4081 ENCODER ASSY D551–D553, D557 1SS355 > D555 S1VB20/F03 SWITCHES AND RELAYS D554 UDZS5.1B S4402 ASX7041 S4401 ASX7043 COILS AND FILTERS > L501 LINE FILTER ATF7018 RESISTORS All Resistors RS1/16S###J VSX-C301-S...
  • Page 78 C601, C602 CKSRYB473K50 OTHERS 601 5P CABLE HOLDER 51048-0500 VHVL ASSY SEMICONDUCTORS > IC201, IC202 PROTECTOR(10A) AEK7022 D320, D321 1SS355 > D201, D202 D5SBA20 CAPACITORS C203 1/100V ACH1237 C207, C208 ACH7161 C204, C205 CEAT222M50 C332 CEAT2R2M50 RESISTORS R362 RD1/2VM332J VSX-C301-S...

  • Page 79: Adjustment

    Pin 21 and Pin 23 of IC201 (Test point Vtm) Adjustment gets within 0 ± 50mV. PRODUCT MPX SG FM SG Voltmeter FM75Ω antenna terminal Fig.1 Adjustment Wiring Diagram FM/AM TUNER MODULE L201 IC201 pin 21 pin 23 SIDE B Fig.2 Adjustment Point VSX-C301-S...

  • Page 80: General Information

    When the code is first received, the master volume becomes minus infinity (MUTE.) 8. 9K/10K CHANGE "5" key For the FL (international) model only, when the code is received, 9K and 10K can be switched. When the code is first received, 10K is selected. VSX-C301-S...

  • Page 81: Protection Circuit

    Fan stop XPROTECT port (A/D) Detection method 0.4 Vdd or less Detection start time 1.0 sec after Mute: On Process Speaker Relay: Off Shifting to STBY Display No display Recovery Hold the STANDBY key pressed for 10 sec. Remarks VSX-C301-S...

  • Page 82: Specifications Of Speaker Detection

    5 Detection circuit for the center speaker Check signal from microcomputer Detection of the center speaker 10 kΩ Detection signal to microcomputer 47 kΩ mute Mute About 8Ω Satellite speakers may be connected. POWER AMP (IC3401) VSX-C301-S...

  • Page 83: Circuit Description

    → The microcomputer detects the XPROTECT level and shuts the power to the unit off. (3) When VD+5 is short-circuited The level of the XPROTECT line becomes low. The microcomputer detects the XPROTECT level and shuts the power to the unit off. VSX-C301-S...

  • Page 84: Troubleshooting

    • Check power voltage of IC1501-1503. Check Pins 15 and 17-21 • Check AMUTE. of CN3002. Check Pins 3, 7, 10, 14, • Check power voltage and periphery of IC3301 and IC3401. 18, 22 of CN3001. Check SP OUT. VSX-C301-S...
  • Page 85 (even if you push Power Switch Key) • Pull out the Power Cord from the outlet. • Short-circuits C9003 (MOTHER ASSY) for a moment, and discharge an electric charge. • Turn on the power (Plug in the Power Cord to the outlet.) VSX-C301-S...

  • Page 86: Timing Chart

    7.1.6 Timing Chart VSX-C301-S...
  • Page 87 (IC1211 : NJU7313AM) VIDEO system mute (IC2205 : NJM2296) mute TUNER (IC202 : LC72131) E-VOLUME mute (IC1221 : BD3814FV) (IC8501 : DSPD56367PV150) DIR/CODEC (IC8201 : AK4114VQ / IC8401 : AK4628VQ) SPEAKER relay (port) OVERLOAD DETECT AMP ERROR DETECT FAN ERROR DETECT VSX-C301-S...
  • Page 88 VSX-C301-S...
  • Page 89 VSX-C301-S...

  • Page 90: Parts

    P33/A11 MVRATT P77/TA3IN P34/A12 RY-AC P76/TA3OUT P35/A13 HP DET P75/TA2IN/W P36/A14 RY_SP 1394 RST P74/TA2OUT/W P37/A15 RY_HP P40/A16 1394 CS P73/CTS2/RTS2/TA1IN/V MCACC P41/A17 1394 CK P72/CLK2/TA1OUT/V AMUTE P71/RxD2/SCL 1394 DO P42/A18 GAIN_SEL /TA0IN/TB5IN 1394 DI P70/TXD2/SDA P43/A19 IATT /TA0OUT VSX-C301-S...
  • Page 91 Data input signal for communication with DIR/DAC P50/WRL/WR DIR CS Chip select signal for communication with DIR/DAC P47/CS3 DIR codec over flag P46/CS2 DIR CDC RST Reset signal for DIR codec P45/CS1 DIR ERR Lock/unlock signal P44/CS0 XTL0 DIR X'tal change VSX-C301-S...
  • Page 92 P103/AN3 "L" fixed P102/AN2 SIMUKE1 lnput 1 to switch region P101/AN1 XPROTECT Ptotection circuit detect for amp. module AVSS AVSS Connect to VSS P100/AN0 "L" fixed VREF VREF Connect to VCC AVcc AVCC Connect to VCC P97/ADTRG/SIN4 "L" fixed VSX-C301-S...
  • Page 93 P20/SCK3 C-MOS P-CH FIP31/P37 LED8 DISP EN P00/INTP0 C-MOS P-CH FIP32/P40 NC(PD)(MULTIROOM SRIN) P01/INTP1 C-MOS P-CH FIP33/P41 LED7 SR IN P02/T1 C-MOS P-CH FIP34/P42 LED6 AVSS P-CH FIP35/P43 LED5 ANI3 COPM P-CH FIP36/P44 LED4 LED3 ANI2 COMP P-CH FIP37/P45 VSX-C301-S...
  • Page 94 VOLUME JOG1(-) P60/FIP48 EN A VOLUME JOG1(+) P57/FIP47 P56/FIP46 TEST Test mode input for checker P55/FIP45 AV DIRECT P54/FIP44 P53/FIP43 P52/FIP42 1W WUP Output wakeup signal to main u-com P51/FIP41 P50/FIP40 P47/FIP39 LED1 LED output P46/FIP38 LED2 LED output VSX-C301-S...
  • Page 95 Display FIP18 Display FIP17 Display FIP16 Display FIP15 Display FIP14 Display FIP13 Display FIP12 Display FIP11 Display FIP10 Display FIP9 Display FIP8 Display FIP7 Display FIP6 Display FIP5 Display FIP4 Display FIP3 Display FIP2 Display FIP1 Display FIP0 Display VSX-C301-S...

  • Page 96: Display

    7.2.2 DISPLAY AAV7093 (FRONT ASSY : V4301) • FL Display Pin Assignment Grid Assignment Segment Designation Pin Connection VSX-C301-S...

  • Page 97: Cleaning

    Anode Connection 7.3 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-C301-S...

  • Page 98: Panel Facilities

    Lights when Auto audio format decoding is selected. MASTER VOLUME knob Listening mode indicators Use to adjust the volume. STEREO indicator Lights when the source is stereo and/or the listening mode has been set to STEREO. VSX-C301-S...
  • Page 99 SW (subwoofer) indicate the active speaker output channels. S lights in Dolby Surround or Surround 10 Character display Monoaural. 11 Volume level indicator VIR.SB indictor Indicates the volume level in dB. Lights when the Virtual Surround Back effect is on. VSX-C301-S...

  • Page 100: Rear Panel

    Coaxial digital audio jack for the DVD input CONTROL IN jack / CONTROL OUT jack (although it is possible to reassign it to the TV/SAT Use to link Pioneer components together to enable all input). components in the chain to use just one remote control sensor.

  • Page 101: Remote Control

    STEREO Press to hear the current source in stereo. SURROUND RECEIVER Use to select a SURROUND mode for the current source. ADVANCED SURROUND Use to select an ADVANCED SURROUND mode for the current source. VSX-C301-S...
  • Page 102 TV/SAT, DVR/VCR and FRONT inputs. Input/control mode Preset Component select button code (manufacturer) 12 MASTER VOLUME Use to adjust the volume. DVD (Pioneer) 13 ROOM SETUP TV/SAT STB (Pioneer) Use to select a preset room setup. DVR/VCR DVD recorder 14 SYSTEM SETUP (Pioneer)

  • Page 103: Resetting The System

    Center: 0 dB Surround: 0 dB Subwoofer: 0 dB Room Setup M / MID Note • The default settings for the remote control to control other components can be found in Using the remote control with other components. VSX-C301-S...

Table of Contents