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JVC RX-F31S Service Manual
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JVC RX-F31S Service Manual

JVC RX-F31S Service Manual

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SERVICE MANUAL
HOME CINEMA CONTROL CENTER
7
2005
MB449
Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade)
1
PRECAUTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
2
SPECIFIC SERVICE INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4
3
DISASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5
4
ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-15
5
TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-15
RX-F31S

TABLE OF CONTENTS

COPYRIGHT © 2005 Victor Company of Japan, Limited
Area suffix
A ------------------------ Australia
US ------------------------ Singapore
UF ------------------------------ China
UJ ---------------------- U.S.Military
No.MB449
2005/7

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Summary of Contents for JVC RX-F31S

  • Page 1: Table Of Contents

    SERVICE MANUAL HOME CINEMA CONTROL CENTER MB449 2005 RX-F31S Area suffix A ------------------------ Australia US ------------------------ Singapore UF ------------------------------ China UJ ---------------------- U.S.Military Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade) TABLE OF CONTENTS PRECAUTION.
  • Page 2 SPECIFICATION Amplifier Output Power At stereo operation Front channels 100 W*1 per channel, min. RMS, driven into Ω at 1 kHz with no more than 10% total har- monic distortion. At surround operation Front channels 100 W*1 per channel, min. RMS, driven into Ω...

  • Page 3: Precaution

    SECTION 1 PRECAUTION Safety Precautions (1) This design of this product contains special hardware and voltmeter. many circuits and components specially for safety purpos- Move the resistor connection to each exposed metal es. For continued protection, no changes should be made part, particularly any exposed metal part having a return to the original design unless authorized in writing by the path to the chassis, and measure the AC voltage across...

  • Page 4: Specific Service Instructions

    SECTION 2 SPECIFIC SERVICE INSTRUCTIONS This service manual does not describe SPECIFIC SERVICE INSTRUCTIONS. 1-4 (No.MB449)

  • Page 5: Disassembly

    SECTION 3 DISASSEMBLY Main body section 3.1.1 Removing the top cover (See Figs.1 and 2) (1) From the both sides of the main body, remove the four screws A attaching the top cover. (See Fig.1) Top cover (2) From the back side of the main body, remove the five screws B attaching the top cover.
  • Page 6 3.1.2 Removing the front panel assembly (See Figs.3 and 4) • Remove the top cover. (1) From the top side of the main body, remove the tie bands Regulator connect board Front panel assembly bundling the wires. (See Fig.3.) Reference: After reassembling, bundle the wires with the new tie bands as before.
  • Page 7 3.1.4 Removing the tuner (See Fig.6) • Remove the top cover. (1) From the top side of the main body, disconnect the card CN601 wire from the connector on the tuner. (2) From the back side of the main body, remove the two screws E attaching the tuner to the rear panel and take out Vol IC DSP board...

  • Page 8: No.mb449)1

    3.1.9 Removing the vol sel board (See Fig.8) • Remove the top cover. (1) Remove the strain relief from the rear panel in the direction Chassis base assembly of the arrow. Primary board (2) From the back side of the main body, remove the two CN218 CN203 screws G attaching the vol sel board to the rear panel.
  • Page 9 3.1.13 Removing the fan motor (See Fig.10) • Remove the top cover. (1) Form the top side of the main body, remove the tie bands Fan holder bundling the wires. Fan motor Reference: After reassembling, bundle the wires with the new tie bands as before.
  • Page 10 3.1.17 Removing the speaker terminal board (See Fig.12) • Remove the top cover, DSP board, S.S. setup board and speaker relay board. CN801 CN701 (1) Disconnect the wire from the connector CN751 on the speaker terminal board. (2) Disconnect the parallel wires from the connectors (CN701, CN801) on the speaker terminal board.
  • Page 11 3.1.19 Removing the input mother board (See Fig.14) • Remove the top cover, rear panel, tuner, DSP board, vol sel board, audio input/output board, vol IC board and video con- S.S. setup board CN509 nect board. CN725 CN751 (1) Remove the tie band fixing the wire. Reference: After reassembling, fix the wire with the new tie band as before.
  • Page 12 3.1.20 Removing the main amplifier board (See Figs.15 and 16) • Remove the top cover, tuner, DSP board, master clock board, gate drive-2 board, S.S. setup board, gate drive-1 board and Support board Primary board vol IC board. Tie bands Tie bands (1) Remove the tie bands bundling the wires.
  • Page 13 3.1.21 Removing the regulator connect board (See Fig.17) • Remove the top cover, tuner, DSP board, master clock board, gate drive-2 board, S.S. setup board, gate drive-1 board, vol IC Regulator Regulator board and main amplifier board. connect board connect board (1) From the forward side of the main amplifier board, discon- nect the parallel wire from the connector CN705...
  • Page 14 Front panel assembly section • Remove the front panel assembly. (See "3.1.2 Removing the front panel assembly".) 3.2.1 Removing the volume & JOG board (See Figs.1 and 2) (1) From the inside of the front panel assembly, remove the four screws A and screw A' attaching the volume & JOG Headphone board Earth bracket board.

  • Page 15: Adjustment

    SECTION 4 ADJUSTMENT This service manual does not describe ADJUSTMENT. SECTION 5 TROUBLESHOOTING This service manual does not describe TROUBLESHOOTING. (No.MB449)1-15...
  • Page 16 Victor Company of Japan, Limited AV & MULTIMEDIA COMPANY AUDIO/VIDEO SYSTEMS CATEGORY 10-1,1chome,Ohwatari-machi,Maebashi-city,371-8543,Japan (No.MB449) Printed in Japan...
  • Page 17 SCHEMATIC DIAGRAMS HOME CINEMA CONTROL CENTER RX-F31S CD-ROM No.SML200507 Area suffix A ------------------------ Australia US ------------------------ Singapore UF ------------------------------ China UJ ---------------------- U.S.Military Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade) Contents Block diagram...
  • Page 18 In regard with component parts appearing on the silk-screen printed side (parts side) of the PWB diagrams, the parts that are printed over with black such as the resistor ( ), diode ( ) and ICP ( ) or identified by the " " mark nearby are critical for safety.
  • Page 19 Block diagram Audio/Video signal input/output Vol. control section Regulator, PWM modulator, digital power amplifier (Component/DVD multi) section and low pass filter section IC508 MULTI_SL/SR CN725 AUDIO IN.L SOUND IC503 5.1ch IC371 IN.R CN525 CN521 MULTI IC871 SBWFR OUT PWM_L/R SMART SETUP L/R C_RELAY VOLUME FL,FR...
  • Page 20 Standard schematic diagrams Primary and regulator section TO CN711 OF LVA10566-4 (SHEET 1) E P 7 0 1 V O L T A G E S E L E C T O R L O C A T I O N LVA10564-1 F W 7 2 1 Q N Z 0 1 3 6 - 0 0 1 Z...
  • Page 21 PWM modulator section R 3 1 9 C 3 1 3 R 1 3 7 3 3 3 p / 5 0 4 . 7 k R 3 1 7 1 0 0 k F B 1 _ L F B 1 _ L F B 2 _ L F B 2 _ L F B 1 _ L...
  • Page 22 Digital power amplifier and low pass filter section R 1 3 5 2 F B 1 _ L - 3 4 . 0 V 3 6 0 I C 3 1 1 I R S 2 0 1 2 4 S Q 1 7 0 1 K T C 3 2 0 0 / G L / C 1 3 7 9...
  • Page 23 Speaker terminal and smart surround setup section LVA10564-2 LVA10566-9 LVA10564-3 F r o n t R e l a y Q N B 0 1 9 1 - 0 0 1 Q N B 0 1 9 2 - 0 0 1 J 7 0 0 1 J 7 0 0 1 J 9 0 0 1...
  • Page 24 SW control and regulator 2 section LVA10566-5 V I D E O + 9 V R 2 5 7 Q 2 2 7 4 . 7 U V e r . o n l y 2 S D 2 3 9 4 / E F / 1 / 4 W 1 7 .
  • Page 25 Vol. control section TO CN601 OF LVA10565-3 OR LVA10576-3 (SHEET 11) Q G B 2 5 1 0 K 1 - 1 1 C N 6 1 1 L V A 1 0 5 6 5 - 5 R 5 8 3 1 .
  • Page 26 System control section TO CN511 OF LVA10565-5 (SHEET 6) TO CN602 OF LVA10565-3 (SHEET 11) TO CN511 OF LVA10576-5 (SHEET 6) TO CN602 OF LVA10576-3 (SHEET 11) T O T U N E R Q N Z 0 1 3 6 - 0 0 1 Z E P 5 0 2 C N 5 0 1 C N 5 0 2...
  • Page 27 Audio, video signal input/output section L V A 1 0 5 7 6 - 1 ( 2 ) C 6 5 6 1 0 . 1 D V D _ S / C C 6 5 2 3 (SHEET 7) R E C _ S C R 6 5 5 2 N .
  • Page 28 Audio, video signal input/output (Component/DVD multi) section L V A 1 0 5 7 6 - 2 L 3 5 0 2 L 3 5 0 3 L 3 5 0 4 L 3 5 0 5 1 0 u 1 0 u 1 0 u 1 0 u...
  • Page 29 User control keys, system control and FL display section L V A 1 0 5 6 6 - 6 L V A 1 0 5 6 6 - 1 J S 4 0 1 J S 4 0 2 B L U E L E D J O G B L U E L E D V O L .
  • Page 30 DSP and digital signal input section R 6 0 7 2 2 k C 6 1 3 R 6 2 2 3 3 0 L I N - T P _ 1 3 3 p D I G I T A L I N 1 C 6 0 9 T P _ 1 1...
  • Page 31 Printed circuit boards FL board Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade) (Key & LED board) CN405 D407 D423 D421 R428 R473 CN404 R472 R403 D424 D425 D426 R434 Q407 Q408 Q409 D409 R471 R402...
  • Page 32 Main amplifier board Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade) (Master clock board) (Gate drive-2 board) (Gate drive-1 board) C1987 C1887 R1947 C1385 R1357 C1985 R1853 R1841 C1989 C1390 C1388 C1888 R1352 R1844 C1889 C1990...
  • Page 33 Input mother board Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade) Forward side (Input mother board) Q4501 C4565 R4558 IC454 C4556 R4575 C4553 C4550 R4559 R4557 C4567 J505 C4589 J6503 J6501 C6549 J504 IC502 J6502 C6547...
  • Page 34 Input mother board Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade) Reverse side (Input mother board) J6501 J6502 J6503 J504 C6513 C6516 J505 Q4501 C6508 C6507 R4559 C4566 R4557 C4560 C4568 R6507 C4567 R6511 R6513 R511...
  • Page 35 < M E M O >...
  • Page 36 Victor Company of Japan, Limited AV & MULTIMEDIA COMPANY AUDIO/VIDEO SYSTEMS CATEGORY 10-1,1chome,Ohwatari-machi,Maebashi-city,371-8543,Japan Printed in Japan (No.MB449SCH)
  • Page 37 PARTS LIST [ RX-F31S ] * All printed circuit boards and its assemblies are not available as service parts. Area suffix A -------------------------- Australia US ---------------------- Singapore UF ---------------------------- China UJ --------------------- U.S.Military - Contents - Exploded view of general assembly and parts list (Block No.M1) Electrical parts list (Block No.01~03)
  • Page 38 Exploded view of general assembly and parts list Block No. Regulator Speak board board Gate drive- Gate drive-0 board board Regulator connect board Headphone board Support board Key & LED board FL board Volume & Jog board...
  • Page 39 S.S. setup board Speaker relay board DSP board Speaker terminal board Gate drive-0 drive-0 board Master clock Vol IC board board Video connect board Vol Sel board Scart board Input mother board Main amplifier board Primary board Support board FL board...
  • Page 40 General Assembly Block No. [M][1][M][M]  Symbol No. Part No. Part Name Description Local LV11056-008A FRONT PANEL LV43338-002A JVC MARK LV43622-002A FOOT (x2) LV35732-001A INDICATOR(SOURC LV21936-002A LIGHT LENS LV35730-002A LENS LV44154-001A INDICATOR(POWER LV21930-002A P.BUTTON QYSBSF2608ZA TAP SCREW M2.6 x 8mm(x7)
  • Page 41  Symbol No. Part No. Part Name Description Local QUQ412-1110CJ-E FFC WIRE 11pin 10cm QUQ412-0618CJ-E FFC WIRE 6pin 18cm QUQ412-1009CJ-E FFC WIRE 10pin 9cm QUQ412-1116CJ-E FFC WIRE 11pin 16cm LV40232-001A NUMBER LABEL LV40232-002A NUMBER LABEL A,UJ,US LV43268-001 CCC LABEL LV30092-0H2A UF LABEL LV30227-013A SPACER...
  • Page 42 Electrical parts list FL board  Symbol No. Part No. Part Name Description Local Block No. [0][1] D714 UDZS13B-X Z DIODE  Symbol No. Part No. Part Name Description Local D718 MA111-X SI DIODE D851 1SS133-T2 SI DIODE D852 1SS133-T2 SI DIODE PW201 QUB111-18PPPP-E...
  • Page 43  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local A,UF, R463 NRSA63J-241X MG RESISTOR 240Ω 1/16W J  R232 QRJ146J-2R2X UNF C RESISTOR 2.2Ω 1/4W J R464 NRSA63J-241X MG RESISTOR 240Ω 1/16W J ...
  • Page 44  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local JS401 QSW1129-001 ROTARY ENCODER A,UF, Q901 KTA1504/YG/-X SI TRANSISTOR JS402 QSW1129-001 ROTARY ENCODER Q902 KTA1504/YG/-X SI TRANSISTOR  RY201 QSK0142-001 RELAY A,UF, S401 QSW0683-001Z PUSH SW...
  • Page 45  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local D712 1SS133-T2 SI DIODE A,UF, C317 NDC31HJ-471X C CAPACITOR 470pF 50V J  D715 FMB-G19L SB DIODE C318 NDC31HJ-471X C CAPACITOR 470pF 50V J ...
  • Page 46  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local C753 QFVM2AJ-224Z MF CAPACITOR 0.22uF 100V J A,UF, C913 NDC31HJ-330X C CAPACITOR 33pF 50V J C754 QFVM2AJ-474Z MF CAPACITOR 0.47uF 100V J C914 NDC31HJ-330X C CAPACITOR...
  • Page 47  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local A,UF, A,UF, C1387 NCB31CK-105X C CAPACITOR 1uF 16V K C1951 NCZ1061-104X C CAPACITOR 0.1uF C1388 NCB31CK-105X C CAPACITOR 1uF 16V K C1952 NCZ1061-104X C CAPACITOR 0.1uF...
  • Page 48  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local C2642 NCB31CK-103X C CAPACITOR 0.01uF 16V K C6510 NDC31HJ-331X C CAPACITOR 330pF 50V J C2652 NCB31CK-103X C CAPACITOR 0.01uF 16V K C6511 NDC31HJ-331X C CAPACITOR 330pF 50V J...
  • Page 49  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local A,UF, R727 NRS144J-4R7X MG RESISTOR 4.7Ω 1/4W J R321 NRSA63J-103X MG RESISTOR 10kΩ 1/16W J R728 NRS016J-100X MG RESISTOR 10Ω 1W J R322 NRSA63J-103X MG RESISTOR...
  • Page 50  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local R905 NRSA63J-104X MG RESISTOR 100kΩ 1/16W J A,UF, R1373 NRSA63J-102X MG RESISTOR 1kΩ 1/16W J R906 NRSA63J-104X MG RESISTOR 100kΩ 1/16W J R1374 NRSA63J-102X MG RESISTOR...
  • Page 51  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local A,UF, A,UF, R1857 NRSA63J-101X MG RESISTOR 100Ω 1/16W J  R2353 QRZ9006-4R7X F.RESISTOR 4.7Ω 1/4W J R1858 NRSA63J-101X MG RESISTOR 100Ω 1/16W J ...
  • Page 52  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local R6510 NRSA63J-473X MG RESISTOR 47kΩ 1/16W J CN321 QGB1224J1-15 CONNECTOR B-B (1-15) R6511 NRSA63J-471X MG RESISTOR 470Ω 1/16W J CN510 QJK025-112601-E SIN CR C-B WIR R6512 NRSA63J-471X MG RESISTOR...
  • Page 53 DIGI TRANSISTOR IC871 NJM4565M-WE Q3521 2SA1037AK/RS/-X TRANSISTOR IC971 NJM4565M-WE Q3522 2SC2412K/RS/-X TRANSISTOR Q3523 2SA1037AK/RS/-X TRANSISTOR A,UF, Q3524 2SC2412K/RS/-X TRANSISTOR Q501 2SC3576-JVC-T TRANSISTOR Q3525 2SA1037AK/RS/-X TRANSISTOR Q502 2SC3576-JVC-T TRANSISTOR Q3526 2SC2412K/RS/-X TRANSISTOR Q503 KRA104S-X DIGI TRANSISTOR Q3531 2SA1037AK/RS/-X TRANSISTOR Q510 KRC102S-X...
  • Page 54  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local Q6537 KTA1267/YG/-T TRANSISTOR C555 QETN1HM-475Z E CAPACITOR 4.7uF 50V M Q6541 KRC102S-X DIGI TRANSISTOR C556 QETN1HM-475Z E CAPACITOR 4.7uF 50V M Q6542 KRC102S-X DIGI TRANSISTOR C557...
  • Page 55  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local A,UF, C1628 NCF31CZ-104X C CAPACITOR 0.1uF 16V Z C643 QETN1EM-475Z E CAPACITOR 4.7uF 25V M C1629 NCB31HK-471X C CAPACITOR 470pF 50V K C644 QETN1EM-475Z E CAPACITOR...
  • Page 56  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local A,UJ, A,UJ, C2613 NCF31CZ-104X C CAPACITOR 0.1uF 16V Z C3549 NCB31HK-103X C CAPACITOR 0.01uF 50V K A,UJ, C3550 QETN1AM-107Z E CAPACITOR 100uF 10V M C2614 NCF31CZ-104X C CAPACITOR...
  • Page 57  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local C5552 QEKC1HM-474Z E CAPACITOR 0.47uF 50V M C6571 QEKC1HM-475Z E CAPACITOR 4.7uF 50V M C5557 QEKC1HM-224Z E CAPACITOR 0.22uF 50V M C6581 NCB31CK-104X C CAPACITOR 0.1uF 16V K...
  • Page 58  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local R612 NRSA63J-223X MG RESISTOR 22kΩ 1/16W J A,UF, R679 NRSA63J-562X MG RESISTOR 5.6kΩ 1/16W J A,UF, R613 NRSA63J-223X MG RESISTOR 22kΩ 1/16W J R680 NRSA63J-562X MG RESISTOR...
  • Page 59  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local R1534 NRSA63J-221X MG RESISTOR 220Ω 1/16W J A,UF, R1609 NRSA63J-103X MG RESISTOR 10kΩ 1/16W J A,UF, R1535 NRSA63J-751X MG RESISTOR 750Ω 1/16W J R1610 NRSA63J-103X MG RESISTOR...
  • Page 60  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local R1690 NRSA63J-181X MG RESISTOR 180Ω 1/16W J R2637 NRSA63J-103X MG RESISTOR 10kΩ 1/16W J R1691 NRSA63J-562X MG RESISTOR 5.6kΩ 1/16W J R2638 NRSA63J-221X MG RESISTOR 220Ω...
  • Page 61  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local R3587 NRSA63J-391X MG RESISTOR 390Ω 1/16W J R5540 NRSA63J-622X MG RESISTOR 6.2kΩ 1/16W J R3588 NRSA63J-152X MG RESISTOR 1.5kΩ 1/16W J A,UF, R5540 NRSA63J-432X MG RESISTOR...
  • Page 62  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local A,UJ, L5511 QQL244K-100Z COIL 10uH K R6539 NRSA63J-750X MG RESISTOR 75Ω 1/16W J L6501 QQL244K-100Z COIL 10uH K A,UJ, L6502 QQL244K-100Z COIL 10uH K R6540 NRSA63J-331X...
  • Page 63 <MEMO> 3-27...
  • Page 64 Packing materials and accessories parts list Block No. No additional / supplemental order of WARRANTY CARDs are available. RX-F31S_US,UJ A1,A3,A4, A5,A6,A7,A8 RX-F31S_A A1,A3,A4, A5,A6,A7,A9 RX-F31S_UF A1,A3, A4,A5,A6,A7, A9,A10,A11,A12,A13 3-28...
  • Page 65 Packing and Accessories Block No. [M][3][M][M]  Symbol No. Part No. Part Name Description Local LVT1306-012A INST BOOK LVT1306-016A INST BOOK CHI(PEKIN) LVT1306-011B INST BOOK LVT1306-009B INST BOOK ENG CHI(PEKIN) RM-SRXF31U REMOCON ------------ BATTERY (x2) LV43880-003A SETTING SHEET QAL0457-001 ANT.WIRE QAL0476-002 AM LOOP ANT QAM0199-002...