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JVC RX-5042S Service Manual
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JVC RX-5042S Service Manual

Audio/video control receiver
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SERVICE MANUAL
AUDIO/VIDEO CONTROL RECEIVER
3
2004
MB171
1
PRECAUTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
2
SPECIFIC SERVICE INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5
3
DISASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6
4
ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-13
5
TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-14
RX-5042S

TABLE OF CONTENTS

COPYRIGHT © 2004 VICTOR COMPANY OF JAPAN, LIMITED
Area suffix
J ----------------------------- U.S.A.
C -------------------------- Canada
No.MB171
2004/3

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  • Page 1: Table Of Contents

    SERVICE MANUAL AUDIO/VIDEO CONTROL RECEIVER MB171 2004 RX-5042S Area suffix J ----------------------------- U.S.A. C -------------------------- Canada TABLE OF CONTENTS PRECAUTION............... . . 1-3 SPECIFIC SERVICE INSTRUCTIONS .
  • Page 2 SPECIFICATION Amplifier Output Power 100 W per channel, min. RMS, driven into 8 Ω, 40 Hz to 20 kHz with At Stereo operation Front channels no more than 0.8% total harmonic distortion. 100 W per channel, min. RMS, driven into 8 Ω, at 1 kHz with no more At Surround operation Front channels than 0.8% total harmonic distortion.

  • 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 Importance administering point on the safety F201 6.3A-125V Primary part (Power / Fuse board) F202 F206 F207 F203 Secondary parts (Power transformer board 1) Caution: For continued protection against risk of fire, replace only with same type 6.3A/125V for F201, 2A/125V for F202 and F203, 5 A/125 V for F206 and F207.

  • Page 5: Specific Service Instructions

    SECTION 2 SPECIFIC SERVICE INSTRUCTIONS This service manual does not describe SPECIFIC SERVICE INSTRUCTIONS. (No.MB171)1-5...

  • Page 6: Disassembly

    SECTION 3 DISASSEMBLY Removing the top cover (See Fig.1) (1) From the right and left sides of the main body, remove the four screws A attaching the top cover. (2) From the back side of the main body, remove the three screws B attaching the top cover.
  • Page 7 Removing the rear panel (See Fig.4) Strain relief • Prior to performing the following procedures, remove the top cover. (1) From the back side of the main body, remove the strain relief from the rear panel in the direction of the arrow. (2) Remove the twenty-one screws E attaching the rear panel.
  • Page 8 Removing the front board (See Fig.7) • Prior to performing the following procedures, remove the top Power supply board cover, rear panel, DSP board, audio input board, DVD board, Card wire Relay board video board and tuner. CN471 (1) From the top side of the main body, disconnect the card CN291 CN473 CN472...
  • Page 9 Removing the main board (See Fig.9) • Prior to performing the following procedures, remove the top Wire protection board cover. (1) From the top side of the main body, remove the tie bands Main board fixing the wires. Relay board (2) Remove the tie band and remove the wire protection board Power supply board fixing the card wire.
  • Page 10 3.11 Removing the power transformer (See Fig.12) • Prior to performing the following procedures, remove the top Power transformer board 1 cover. (1) From the top side of the main body, remove the tie bands Soldered section d Tie band fixing the wires.
  • Page 11 3.13 Removing the power supply board (See Fig.13) • Prior to performing the following procedures, remove the top cover. (1) From the top side of the main body, disconnect the parallel Power supply board Card wire wires from the connectors CN203 CN241 on the power...
  • Page 12 3.15 Removing the system control board and power switch board (See Figs.15 and 16) • Prior to performing the following procedures, remove the top Front panel assembly cover and front panel assembly. (1) Pull out the volume and jog knobs from the front side of the front panel assembly, remove the nut attaching the system control board.

  • Page 13: Adjustment

    SECTION 4 ADJUSTMENT This service manual does not describe ADJUSTMENT. (No.MB171)1-13...

  • Page 14: Troubleshooting

    SECTION 5 TROUBLESHOOTING This service manual does not describe TROUBLESHOOTING. 1-14 (No.MB171)
  • Page 15 (No.MB171)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.MB171) Printed in Japan...

  • Page 17: Schematic Diagrams

    SCHEMATIC DIAGRAMS AUDIO/VIDEO CONTROL RECEIVER RX-5042S CD-ROM No.SML200403 Area suffix J ----------------------------- U.S.A. C -------------------------- Canada Contents Block diagram Standard schematic diagrams 2-15 to 21 Printed circuit boards No.MB171SCH COPYRIGHT 2004 VICTOR COMPANY OF JAPAN, LTD. 2004/3...
  • 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 < M E M O >...

  • Page 20: Block Diagram

    Block diagram Video input terminal section DVD section Tuner Volume / Regulator / Source S_MUTE SW_OUT SW_OUT TU_DATAIN MONITOR TU_DATAOUT VIDEO1 TU_CLK IC501 VIDEO2 TU_CE SELECTOR DVD_L/R Q1427 SW_OUT DVD_L/R TU_MUTE Q1428 Q1429 TUNER_L/R VIDEO1 VIDEO2 AVCOMPULINK AV_COMPULINK AV_COMPULINK SW_DATA SW_STB SW_CLK CD_L/R...
  • Page 21 / Source select section Audio amplifier section Speaker terminal section S_MUTE Q1420 ST301 IC101 Lch IN L/Rch Q1413 FR/FL Rch IN RY302 POWER Q1414 FRONT_A Cch IN CENTER Q1417 IC102 C/SL/SRch RY303 POWER SLch IN Q1418 SURR_L/R SRch IN CENTER Q1419 +VH,+VL SLch...
  • Page 22 Standard schematic diagrams Primary section F206 5A-125V CN251 QGA3901F2-05 F207 5A-125V F202 QGF1205C1-14 CN201 2A-125V RY_HP F203 RY_LR1 (SHEET 6) RY_C 2A-125V RY_S PROTECTOR_IN R201 POWER FW201 RY_SURROUND FW201 D201 D202 10DDA20-FD 11ES2-T4 C202 C203 C201 D203 D204 11ES2-T4 10DDA20-FD QGB2510K1-04 CN492 11ES...
  • Page 23 PW311 PW101 PW302 PW102 F201 B170 PW203 PW103 6.3A-125V F205 PW204 PW104 TA201 PW205 PW105 TA202 QQT0434-001 T202 3.3M C210 C208 0.0047/100 RY202 QSK0142-001 D210 Q202 1SS133 KRC105M D208 Q203 R221 11ES2-T4 KTC3203/OY/ C209 470/25 R204 D212 D221 11ES2 1SS133 D211 C213 C212...
  • Page 24 Audio amplifier section (SHEET 3) CN171 PW601 QJP001-032101 IC101 IC102 STK412-430 STK41 R1131 Q1131 KTC3200/GL R1127 R1101 R1102 R1128 C1124 C1123 C1131 100p 100p R1132 Q1132 KTC3200/GL 2200P C1101 C1102 470p 470p C1103 R1107 100k C1104 R1207 4.7/50 4.7/50 R1103 R1104 C1107 100k...
  • Page 25 (SHEET 3) (SHEET 3) PW602 CN272 CN273 QJP002-021601 QJP001-031001 IC102 STK413-430 R1268 R1266 R1201 R1202 C1201 C1202 C1261 100p 100p 100p 470p 470p 470p R1207 100k R1264 C1262 C1203 C1204 4.7/50 4.7/50 4.7/50 C1207 C1264 R1262 R1203 R1204 100k 100k R1208 100k C1208...
  • Page 26 TO TUNER CN411 CN421 CN481 CN482 QGB2510J1-14 QGB2510J1-14 QGF1205C1-11 QGB25 R1582 1.6k R1581 3.3k R1574 R1573 C1433 10/16 Q1406 R1412 KTC3203/OY/ 2SC3576-JVC-T C1447 4.7/50 Q1428 Q1427 R1413 Q1423 KRA104M R1473 R1472 R490 R1471 Q1422 Q1421 2SC3576-JVC 2SC3576-JVC R1583 R1584 C1445 0.022 R489 0.0056...
  • Page 27 EET 5) (SHEET 6) CN482 CN402 QGB2510J1-07 QGF1205C1-27 C1425 R1453 10/16 Q1420 KRA104M R1449 C1424 S_MUTE R1450 4.7/50 R1452 100k Q1419 2SC3576-JVC CN473 R1448 QGA2501C1-03 R1451 100k R1447 C1423 Q1418 2SC3576-JVC (SHEET 2) 4.7/50 IC428 BD3814FV C1461 C1432 0.022 0.022 CN472...
  • Page 28 Audio, Video signal input terminal / Source select section C441 10/25 C443 C445 47/25 0.022 C419 IC403 0.022 NJM4580L-D R445 R421 R422 100k C421 C422 CD_L CD_R 330p 330p R425 R426 C425 C426 TAPEOUT_L TAPEOUT_R C420 330p 330p 0.022 C427 C428 R446 100k...
  • Page 29 J404 C451 C452 R451 R452 330p 330p DVD_L DVD_R J404 QNN0389-001 J406 QNN0060-001 C460 1.5MY J406 CN451 QGB2510K1-11 (SHEET 3) Parts are safety assurance parts. When replacing those parts make sure to use the specified one. SHEET 4 2-10...
  • Page 30 Surround / Digital signal input terminal section R2007 C2013 R2022 LIN- C2009 TP_11 C2005 C2001 R2003 B601 R2013 4.7/25 C2019 DSP_IN_L B603 R2011 IC601 NJM4565M-WE LIN+ R2021 IC602 NJM4565M-WE C2020 C2003 R2001 C2010 R2018 100K C2007 C2018 4.7K 47/10 R2017 4.7K C2004 R2002...
  • Page 31 TP_1 K2861 R2861 NQR0269-004X J681 QNN0481-001 C2881 0.01 C2871 B695 C2862 B696 TP_2 UN682 R2872 GP1FA553RZ R2862 C2882 3.9K 0.01 TP_3 C2873 0.01 R2641 R2639 R2642 R2638 R2605 R2606 DATA R2637 R2636 C2606 R2635 C2643 IC662 D/A3 R2601 R2634 SN74LVC1GU04K-X EP681 D/A2 R2602...
  • Page 32 User control keys / System control / FL display section C709 C707 4.7/50 4.7/50 DI701 QLF0132-001 JS702 GRID15 SEG12 QSW1051-001 SEG13 GRID16 SEG14 RY_HP JOG_2 SEG15 RY_LR2 RY_LR1 JOG_1 SEG16 RY_C C721 RY_S JOG_2 C720 PW502 JOG_1 DSP_CLK DSP_STATUS DSP_RESET DSP_COMMAND VIDEO2 IC701...
  • Page 33 C707 4.7/50 GRID1 Q707 UN2214-X GRID2 Q708 UN2214-X GRID16 Q709 UN2214-X RDS_DATA R781 RDS_CLK R782 CN703 QJK021-023004 (SHEET 3) CN702 QGF1205F1-27 GRID15 BASSBOOST GRID16 INPUT_ATT R704 RY_HP SELF_DET RY_LR2 TU_DATAOUT R794 RY_LR1 AVCOMPULINK DCS_OUT RY_C Q702 UN2215-X RY_S SW_DATA R792 JOG_2 C706 330p...
  • Page 34 Printed circuit boards Main board (Support board) (DVD board) J406 J404 J405 C460 C454 C453 C456 C452 C451 C455 R452 R451 R454 R453 R456 R455 C459 C473 IC471 C474 C472 C482 C463 C461 IC451 R459 C464 C462 CN451 R458 FW303 FW301 R1270 FW302...
  • Page 35 (Audio input board) R449 CN401 R450 R436 C442 R442 R429 R441 R430 C441 C433 R431 R440 C440 C434 R432 IC402 R423 R424 R425 C427 C428 R410 R408 R426 R421 C414 R406 C412 C410 C415 C406 R412 C402 IC401 R411 C416 C405 C401 C413...

  • Page 36: Front Board

    Front board (System control board) S731 S722 S721 S724 S723 R722 R721 S732 R725 R741 S734 S738 S736 S740 S757 S737 S735 S756 R740 C717 R707 C716 C715 C713 R757 R720 R702 C710 R718 BK701 S728 C730 R717 D703 C704 C714 R871 Q701...
  • Page 37 oard) S725 S726 R874 R875 S750 C723 C724 R778 R749 S745 S741 S737 S739 S743 S742 JS702 R742 R745 R799 BK702 R798 S751 R761 R768 R795 R769 R797 R796 R783 R784 R763 R770 R764 R771 R786 R785 S752 R787 R765 R776 R790 R788...
  • Page 38 Power amplifier board (Power transformer b (Relay board) CN251 R201 (Video board) FC221 FC271 FC231 R503 R504 CN501 R507 C511 FC222 R508 FC272 C512 FC232 C504 Q503 R505 R506 Q502 R512 R501 FW20 C501 R502 C201 C507 R509 C203 C202 C506 R510 Q505...
  • Page 39 ormer board 1) FW201 FC261 FC262 (Front amp. board(L)) FW201 PW203 RY202 C202 PW204 PW205 C209 R203 HS211 D219 Q210 RY203 pply board) (Power / Fuse board) TA202 FC212 FC211 PW102 PW105 PW103 PW101 2-20...
  • Page 40 DSP board Forward side C2955 R2185 IC691 C2952 R2189 Q2710 R2191 Q2708 R2773 C2183 C2911 IC615 C2901 C2924 C2922 CN681 R2147 R2145 R2133 R2137 R2103 R2128 C2115 R2706 Q2141 R2141 R2135 R2131 R2111 TP51 R2129 R2143 C2143 C2101 R2705 C2133 C2139 R2115 C2113...
  • Page 41 < M E M O >...
  • Page 42 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.MB171SCH)

  • Page 43: Parts List

    PARTS LIST [ RX-5042S ] * All printed circuit boards and its assemblies are not available as service parts. Area suffix J ----------------------------- U.S.A. C -------------------------- Canada - Contents - 3- 2 Exploded view of general assembly and parts list (Block No.M1) 3- 5 Electrical parts list (Block No.01~04)
  • Page 44 Exploded view of general assembly and parts list Block No. Power transformer board Power transformer board F207 F206 F203 F202 Power/Fuse board Fron HS402 HS434 Headphone jack board Main board Power switch board BK701 BK702 System control board...
  • Page 45 Speaker terminal board r transformer F201 Power/Fuse board Relay board Front board Power amp. board Front board HS402 HS405 HS403 HS434 HS401 HS435 HS404 Front board Power amp. board Wire protection board...
  • Page 46 LV42092-001A FL HOLDER(R) BK702 E70306-001 HEAT SINK HS401 E70306-001 HEAT SINK HS402 LV10756-023A FRONT PANEL E70306-001 HEAT SINK HS403 LV43338-002A JVC MARK E70306-001 HEAT SINK HS404 LV34003-001A LENS E70306-001 HEAT SINK HS405 LV34000-002A PUSH BUTTON(POW E70306-001 HEAT SINK HS434 LV42096-001A...
  • Page 47 Electrical parts list Power amp. board  Symbol No. Part No. Part Name Description Local Block No. [0][1][0][0] C1106 QETN1AM-227Z E CAPACITOR 220uF 10V M  Symbol No. Part No. Part Name Description Local C1107 QCS31HJ-3R0Z C CAPACITOR 3pF 50V J C1108 QCS31HJ-3R0Z C CAPACITOR...
  • Page 48 QRJ146J-2R2X UNF C RESISTOR 2.2Ω 1/4W J  Q1408 KTA1271/OY/-T TRANSISTOR  R1236 QRJ146J-2R2X UNF C RESISTOR 2.2Ω 1/4W J Q1413 2SC3576-JVC-T TRANSISTOR  R1237 QRJ146J-2R2X UNF C RESISTOR 2.2Ω 1/4W J Q1414 2SC3576-JVC-T TRANSISTOR R1241 QRJ146J-330X UNF C RESISTOR 33Ω...
  • Page 49  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local Q1426 2SC3576-JVC-T TRANSISTOR C1464 QETN1HM-475Z E CAPACITOR 4.7uF 50V M Q1427 2SC3576-JVC-T TRANSISTOR C1465 QENC1HM-106Z BP E CAPACITOR 10uF 50V M Q1428...
  • Page 50  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local R772 NRSA63J-222X MG RESISTOR 2.2kΩ 1/16W J R1472 NRSA63J-103X MG RESISTOR 10kΩ 1/16W J R773 NRSA63J-272X MG RESISTOR 2.7kΩ 1/16W J R1473 NRSA63J-103X MG RESISTOR 10kΩ...

  • Page 51: Main Board

     Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local S752 QSW0683-001Z PUSH SW R506 QRE141J-473Y C RESISTOR 47kΩ 1/4W J S756 QSW0683-001Z PUSH SW R507 QRE141J-331Y C RESISTOR 330Ω 1/4W J X701 QAX0246-001Z C RESONATOR...
  • Page 52  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local C2250 QETN1HM-225Z E CAPACITOR 2.2uF 50V M Q2101 2SD2114K/VW/-X TRANSISTOR C2281 NCF31CZ-104X C CAPACITOR 0.1uF 16V Z Q2102 2SD2114K/VW/-X TRANSISTOR C2282 NCF31CZ-104X C CAPACITOR 0.1uF 16V Z Q2141...
  • Page 53  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local C2703 NDC31HJ-101X C CAPACITOR 100pF 50V J R2146 NRSA63J-562X MG RESISTOR 5.6kΩ 1/16W J C2721 NDC31HJ-101X C CAPACITOR 100pF 50V J R2147 NRSA63J-103X MG RESISTOR 10kΩ...
  • Page 54  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local R2487 NRSA63J-181X MG RESISTOR 180Ω 1/16W J R2772 NRSA63J-105X MG RESISTOR 1MΩ 1/16W J R2489 NRSA63J-472X MG RESISTOR 4.7kΩ 1/16W J R2773 NRSA63J-105X MG RESISTOR 1MΩ...
  • Page 55 <MEMO> 3-13...
  • Page 56 Packing materials and accessories parts list Block No. A3 A4 A5 A6 A7 A8 A9 3-14...
  • Page 57 Packing and Accessories Block No. [M][3][M][M]  Symbol No. Part No. Part Name Description Local RM-SRX5040J REMOCON LV30256-014A SHEET ------------ BATTERY (x2) 5042S LVT1140-002A INST BOOK ENG FRE 5042S LVT1140-001A INST BOOK EWP503-001C ANT.WIRE QAL0014-001 AM LOOP ANT YU20333 SAFETY INST. 5042S BT-52006-2 WARRANTY CARD...

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