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JVC RX-5050B Service Manual
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JVC RX-5050B Service Manual

JVC RX-5050B Service Manual

Audio/video control receiver
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SERVICE MANUAL
AUDIO/VIDEO CONTROL RECEIVER
3
2005
MB352
RX-5050B,RX-5052S
1
PRECAUTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
2
SPECIFIC SERVICE INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
3
DISASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
4
ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
5
TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
TABLE OF CONTENTS
COPYRIGHT © 2005 Victor Company of Japan, Limited
RX-5050B
Area suffix
E ------------- Continantal Europe
EX-5052S
TA/NEWS/INFO
Area suffix
DISPLAY MODE
B --------------------------------- U.K
E ------------- Continantal Europe
EN -------------- Northern Europe
EV --------------- Eastern Europe
No.MB352
2005/3

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Summary of Contents for JVC RX-5050B

  • Page 1 SERVICE MANUAL AUDIO/VIDEO CONTROL RECEIVER MB352 2005 RX-5050B,RX-5052S RX-5050B Area suffix E ------------- Continantal Europe EX-5052S TA/NEWS/INFO Area suffix DISPLAY MODE B --------------------------------- U.K E ------------- Continantal Europe EN -------------- Northern Europe EV --------------- Eastern Europe TABLE OF CONTENTS PRECAUTION............... . . 1-3 SPECIFIC SERVICE INSTRUCTIONS .
  • Page 2 SPECIFICATION Amplifier 100 W per channel, min. RMS, driven into 8 Ω, at 1 Output Power At Stereo operation Front channels kHz with no more than 0.8% total harmonic distor- tion (IEC268-3/DIN). 100 W per channel, min. RMS, driven into 8 Ω, at 1 At Surround operation Front channels kHz with no more than 0.8% total harmonic distor-...

  • Page 3: Precaution

    SECTION 1 PRECAUTION Please refer to "RX-5042S (No.MB185)" about this section. SECTION 2 SPECIFIC SERVICE INSTRUCTIONS Please refer to "RX-5042S (No.MB185)" about this section. SECTION 3 DISASSEMBLY Please refer to "RX-5042S (No.MB185)" about this section. SECTION 4 ADJUSTMENT Please refer to "RX-5042S (No.MB185)" about this section. SECTION 5 TROUBLESHOOTING Please refer to "RX-5042S (No.MB185)"...
  • Page 4 Victor Company of Japan, Limited AV & MULTIMEDIA COMPANY AUDIO/VIDEO SYSTEMS CATEGORY 10-1,1chome,Ohwatari-machi,Maebashi-city,371-8543,Japan (No.MB352) Printed in Japan...
  • Page 5 SCHEMATIC DIAGRAMS AUDIO/VIDEO CONTROL RECEIVER RX-5050B, RX-5052S CD-ROM No.SML200503 RX-5050B Area suffix E ------------- Continantal Europe EX-5052S Area suffix B --------------------------------- U.K E ------------- Continantal Europe TA/NEWS/INFO EN -------------- Northern Europe DISPLAY MODE EV --------------- Eastern Europe Contents Block diagram...
  • Page 6 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 7 Block diagram Audio/Video Tuner Volume / Regulator / Source select IC section Audio amp section Audio amp section signal input (Speaker terminal) S_MUTE terminal Q1420 IC101 ST301 TU_DATAIN section (DVD) TU_DATAOUT L/Rch Q1413 TU_CLK FR/FL POWER RY302 Q1414 TU_CE SW_OUT SW_OUT FRONT_A IC102...
  • Page 8 Standard schematic diagrams Primary section LVA10472-3 LVA10472-4 LVA10472-3 LVA10472-4 LVA10472-1 LVA10472-2 POWER LVA10472-1 LVA10472-2 POWER TRANSFORMER TRANSFORMER B/E/EN/EV T201 T201 PW311 PW311 PW101 PW101 F206 F206 5A-125V T5AL CN251 QGA3901F2-05 CN251 QGA3901F2-05 F207 F207 5A-125V T5AL F202 F202 QGF1205C1-14 QGF1205C1-14 CN201 2A-125V CN201...
  • Page 9 Audio amp section (SHEET 3) (SHEET 3) (SHEET 3) To CN471 To CN472 To CN473 (LVA10464-1) (LVA10464-1) (LVA10464-1) CN171 PW601 PW602 CN272 QJP002-021601 QJP001-032101 CN273 QJP001-031001 IC101 IC102 LVA10471-1 STK412-430 STK413-430 C/SL/SRch POWER AMP L/Rch POWER AMP LVA10471-2 R1268 R1131 Q1131 R1266 KTC3200/GL...
  • Page 10 R1574 3.4V R1573 Q1420 KRA104M 3.3V C1424 R1449 C1433 10/16 S_MUTE R1450 4.7/50 R1452 R1412 Q1406 KTC3203/OY/ 100k 0.7V 2SC3576-JVC-T C1447 Q1419 4.7/50 Q1428 Q1427 2SC3576-JVC R1413 CN473 QGA2501C1-03 R1448 R1451 100k UNF(1/4W) SURR R Q1423 To CN273 R1447 0.7V C1423 A.GND...

  • Page 11: Sheet

    Audio/ Video signal input terminal section LVA10471-3 LVA10471-5 SOURCE SELECTOR C451 C452 R451 R452 330p 330p DVD_L DVD_R AUDIO INPUT/OUTPUT C441 -11.2V 10/25 C443 C445 47/25 0.022 J404 QNN0389-001 C419 IC403 0.022 NJM4580L-D (1/2) R445 R421 R422 100k C421 C422 CD_L CD_R 28 27 26 25 24 23 22 21 20 19 18 17 16 15...

  • Page 12: Sheet

    Surround IC / Digital signal input terminal section 12.9V R2007 12.9V C2013 R2022 LIN- TP_1 C2009 K2861 TP_11 R2861 NQR0269-004X DIGITAL IN1 J681 C2005 QNN0481-001 C2001 R2003 B601 R2013 C2019 C2881 DSP_IN_L 4.7/25 0.01 B603 R2011 C2871 2.5V IC601 NJM4565M-WE 2.5V 2.5V R2021...

  • Page 13: Sheet

    User control keys / System control LSI / FL display section LVA10464-2 C709 C707 4.7/50 4.7/50 GRID1 -12.0V Q707 UN2214-X 5.1V GRID2 -11.7V Q708 UN2214-X DI701 5.1V QLF0132-001 GRID16 -22.0V Q709 UN2214-X 5.1V RDS_DATA R781 To CN403 RDS_CLK R782 (LVA10464-1) CN703 (OPEN) QJK021-023004...
  • Page 14 Printed circuit boards Main board (Audio input board) R449 CN401 R450 R436 C442 R442 (DVD board) R429 R441 R430 C441 C433 J404 J405 J406 R431 R440 C440 C434 C460 R432 C454 C453 C456 C452 C451 C455 R452 R451 R454 R453 R456 R455 IC402...
  • Page 15 Power amplifier board (Power transformer board 1) FW201 CN251 (Video board) R201 FC221 FC271 FC261 FC231 R503 R504 CN501 R507 C511 FC222 R508 FC272 FC262 C512 FC232 C504 Q503 R505 R506 Q502 R512 R501 FW201 C501 PW203 R502 C201 C507 RY202 R509 C203...
  • Page 16 Front board S731 S722 S721 S724 S723 S725 S726 R874 R875 S750 C723 C724 R778 R722 R721 S732 R725 R749 S745 R741 S734 S738 S741 S736 S740 S757 S737 S739 S743 S742 S735 S756 JS702 R740 R742 R745 C717 R707 C716 C715 C713...
  • Page 17 DSP board Forward side C2955 R2185 IC691 C2952 Q2710 R2189 R2191 Q2708 R2773 C2183 IC615 C2911 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 18 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.MB352SCH)
  • Page 19 PARTS LIST [ RX-5050B ] [ RX-5052S ] * All printed circuit boards and its assemblies are not available as service parts. RX-5050B Area suffix E ----------- Continental Europe RX-5052S Area suffix B ------------------------------- U.K. E ----------- Continental Europe EN ------------ Northern Europe...
  • Page 20 Exploded view of general assembly and parts list Block No. Power transformer board Power transforme board F207 F203 F206 F202 Power Headphone jack board Main board Power switch board BK701 BK702 System control board...
  • Page 21 Speaker terminal board nsformer F201 Power/Fuse board Relay board Front board Power amp. board Wire protection board...

  • Page 22: Sheet

    Block No. [M][1][M][M]  Symbol No. Part No. Part Name Description Local LV10756-028A FRONT PANEL 5050BE LV10756-030A FRONT PANEL 5052SB,5052SE,5052SEN,5052SEV LV43338-001A JVC MARK 5050BE LV43338-002A JVC MARK 5052SB,5052SE,5052SEN,5052SEV LV34003-001A LENS LV34000-001A PUSH BUTTON(POW 5050BE LV34000-002A PUSH BUTTON(POW 5052SB,5052SE,5052SEN,5052SEV LV42096-001A INDICATOR...
  • Page 23  Symbol No. Part No. Part Name Description Local LV43463-001A VOL KNOB ASSY 5050BE LV43463-002A VOL KNOB ASSY 5052SB,5052SE,5052SEN,5052SEV LV43458-001A JOG KNOB ASSY 5050BE LV43458-002A JOG KNOB ASSY 5052SB,5052SE,5052SEN,5052SEV QMF51W2-2R5-J8 FUSE F201 2.5A AC250V  QMF51E2-R10-J1 FUSE F205 0.1A AC250V ...
  • Page 24 Electrical parts list Main board  Symbol No. Part No. Part Name Description Local Block No. [0][1] R513 QRE141J-751Y C RESISTOR 750Ω 1/4W J  Symbol No. Part No. Part Name Description Local R515 QRE141J-181Y C RESISTOR 180Ω 1/4W J ...
  • Page 25  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local D1171 1SS119-041-T2 DIODE C1221 QETN2AM-107Z E CAPACITOR 100uF 100V M D1191 MTZJ30C-T2 Z DIODE C1222 QETN2AM-107Z E CAPACITOR 100uF 100V M D1221 MTZJ15C-T2 Z DIODE C1223...
  • Page 26 KTC3203/OY/-T TRANSISTOR  R1265 QRZ0224-R22 EMIT RESISTOR 0.22Ω  Q1408 KTA1271/OY/-T TRANSISTOR R1266 QRE141J-102Y C RESISTOR 1kΩ 1/4W J Q1413 2SC3576-JVC-T TRANSISTOR R1267 QRE141J-183Y C RESISTOR 18kΩ 1/4W J Q1414 2SC3576-JVC-T TRANSISTOR R1268 QRE141J-473Y C RESISTOR 47kΩ 1/4W J Q1417...
  • Page 27  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local Q1428 2SC3576-JVC-T TRANSISTOR C1459 QETN1HM-475Z E CAPACITOR 4.7uF 50V M Q1429 KRA104M-T DIGI TRANSISTOR C1460 NCB31CK-223X C CAPACITOR 0.022uF 16V K  Q1434...
  • Page 28  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local R753 NRSA63J-122X MG RESISTOR 1.2kΩ 1/16W J R1448 NRSA63J-103X MG RESISTOR 10kΩ 1/16W J R754 NRSA63J-152X MG RESISTOR 1.5kΩ 1/16W J R1449 NRSA63J-102X MG RESISTOR 1kΩ...
  • Page 29  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local HS434 E70306-001 HEAT SINK HS 951 Q2705 UN2114-X TRANSISTOR HS435 E70306-001 HEAT SINK HS 951 Q2706 UN2114-X TRANSISTOR J101 QNS0249-001 JACK Q2708 UN2114-X TRANSISTOR JS701...
  • Page 30  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local C2381 NCF31CZ-104X C CAPACITOR 0.1uF 16V Z C2922 NCF31CZ-104X C CAPACITOR 0.1uF 16V Z C2382 NCF31CZ-104X C CAPACITOR 0.1uF 16V Z C2923 QETN0JM-107Z E CAPACITOR 100uF 6.3V M...
  • Page 31  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local R2201 NRSA63J-103X MG RESISTOR 10kΩ 1/16W J R2624 NRSA63J-103X MG RESISTOR 10kΩ 1/16W J R2202 NRSA63J-103X MG RESISTOR 10kΩ 1/16W J R2625 NRSA63J-103X MG RESISTOR 10kΩ...
  • Page 32 Packing materials and accessories parts list Block No. No additional / supplemental order of WARRANTY CARDs are available (E,EN,EV ver.) A1, A2, A3, A4, A7 (B ver.) A8,A9,A10, A11,A14,A15 3-14...
  • Page 33 Packing and Accessories Block No. [M][3][M][M]  Symbol No. Part No. Part Name Description Local LVT1290-004A INST BOOK GER,FRE,DUT 5050BE,5052SE LVT1290-005B INST BOOK SWE,FIN,DAN,GER,FRE,SPA,ITA 5052SEN LVT1290-006A INST BOOK CZE,POL,HUN,RUS 5052SEV QAL0595-001 ANTENNA 5050BE,5052SE,5052SEN,5052SEV QAL0014-001 AM LOOP ANT 5050BE,5052SE,5052SEN,5052SEV ------------------ WARRANTY CARD BT-54023-1 5050BE,5052SE,5052SEN,5052SEV RM-SRX5040R...

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Rx-5052s