JVC AV-14RM4SE Service Manual
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JVC AV-14RM4SE Service Manual

JVC AV-14RM4SE Service Manual

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SERVICE MANUAL
2
2005
YA081
1
PRECAUTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
2
SPECIFIC SERVICE INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4
3
DISASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5
4
ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-10
5
TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-18
COLOUR TELEVISION
AV-14RM4SE,
AV-14RM4SN,
AV-14RM4SP
TV
RM-C1100

TABLE OF CONTENTS

COPYRIGHT © 2005 Victor Company of Japan, Limited
No.YA081
2005/2

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  • Page 1: Table Of Contents

    SERVICE MANUAL COLOUR TELEVISION YA081 2005 AV-14RM4SE, AV-14RM4SN, AV-14RM4SP RM-C1100 TABLE OF CONTENTS PRECAUTION............... . . 1-3 SPECIFIC SERVICE INSTRUCTIONS .
  • Page 2 SPECIFICATION Item Content AV-14RM4SE AV-14RM4SP AV-14RM4SN Dimensions ( W × H × D ) 45.5 cm × 35.5 cm × 37.8 cm Mass 10kg TV RF System B/G, D/K, L B/G, L Colour System TV Mode PAL / SECAM Video Mode PAL / SECAM / NTSC 3.58 / NTSC 4.43 PAL / NTSC 3.58 / NTSC 4.43...

  • Page 3: Precaution

    SECTION 1 PRECAUTION SAFETY PRECAUTIONS (1) The design of this product contains special hardware, (8) When service is required, observe the original lead dress. many circuits and components specially for safety Extra precaution should be given to assure correct lead purposes.

  • Page 4: Specific Service Instructions

    • It is possible to connect headphone. • 5 minutes after the broadcasting (close down), the TV switches • Direct channel access. itself automatically to stand-by mode. MAIN DIFFERENCE LIST Item AV-14RM4SE AV-14RM4SN AV-14RM4SP TV RF System B/G,D/K B/G, L...

  • Page 5: Disassembly

    SECTION 3 DISASSEMBLY DISASSEMBLY PROCEDURE 3.1.1 REMOVING THE REAR COVER 3.1.6 CHECKING THE PW BOARD (1) Unplug the power cord. • To check the back side of the PW Board. (2) Remove the 5 screws marked [A]. (1) Pull out the PW Board. (Refer to REMOVING THE MAIN (3) Withdraw the REAR COVER toward you.
  • Page 6 BACK COVER (x5) PICTURE TUBE CRT SOCKET PWB (Within MAIN PWB) FRONT CABINET SPEAKER (x4) FUNCTION BUTTON MAIN PWB (x2) FRONT AV JACK PWB (x1) HEADPHONE JACK Fig.1 1-6 (No.YA081)
  • Page 7 REPLACEMENT OF MEMORY IC 3.2.1 MEMORY IC This model use a memory IC. This memory IC stores data for proper operation of the video and deflection circuits. When replacing, be sure to use an IC containing this (initial vaue)data. 3.2.2 PROCEDURE FOR REPLACING MEMORY IC PROCEDURE 1.
  • Page 8 SETTING OF THE LAST MEMORY FOR SHIPMENT 3.3.1 USER SETTING VALUES Setting item Setting value Setting item Setting value PICTURE MENU FEATURE MENU BRIGHTNESS SLEEP TIMER These adjust are automatically CONTRAST CHILD LOCK restored when APS bit in COLOUR Service menu is set. LANGUAGE ENGLISH The procedure for setting APS...
  • Page 9 REPLACEMENT OF CHIP COMPONENT 3.4.1 CAUTIONS (1) Avoid heating for more than 3 seconds. (2) Do not rub the electrodes and the resist parts of the pattern. (3) When removing a chip part, melt the solder adequately. (4) Do not reuse a chip part after removing it. 3.4.2 SOLDERING IRON (1) Use a high insulation soldering iron with a thin pointed end of it.

  • Page 10: Adjustment

    SECTION 4 ADJUSTMENT ADJUSTMENT PREPARATION (1) You can make the necessary adjustments for this unit with Setting item Setting value either the Remote Control Unit or with the adjustment tools BRIGHTNESS and parts as given below. (2) Adjustment with the Remote Control Unit is made on the CONTRAST Center basis of the initial setting values, however, the new setting...
  • Page 11 BASIC OPERATION OF SERVICE MODE 4.5.4 HOW TO ENTER THE GEOMETRY MENU This model is built-in GEOMETRY MENU for geometry 4.5.1 HOW TO ENTER THE SERVICE MODE adjustment. (1) Press the [MENU] key. (1) Enter the SERVICE MENU (2) MENU screen will be displayed.(Fig.1) (2) Press the [GREEN] key, geometry menu appears (Fig.
  • Page 12 4.5.5 ADJUSTMENT ITEM 4.5.5.1 SERVICE MENU Adjustment item Description Adjustment item Description HIGH BYTE OF VHF3-UHF CROSS-OVER FREQUENCY HORIZONTAL POSITION OF OSD LOW BYTE OF VHF3-UHF CROSS-OVER IF COARSE ADJUSTMENT FREQUENCY IF FINE ADJUSTMENT BAND SWITCHING BYTE FOR VHF1 IF COARSE ADJUSTMENT FOR L-PRIME BAND SWITCHING BYTE FOR VHF3 IF FINE ADJUSTMENT FOR L-PRIME BAND SWITCHING BYTE FOR UHF...
  • Page 13 ADJUSTMENTS PROCEDURE 4.6.1 FOCUS ADJUSTMENT Measuring Item Test point Adjustment part Description instrument FOCUS Signal FOCUS VR (1) Receive a PAL cross-hatch signal. adjustment generator [On the FBT] (2) Adjust FOCUS VR on the FBT as thin as possible. Remote control unit FOCUS VR SCREEN VR...
  • Page 14 4.6.4 IF ADJUSTMENT Measuring Item Test point Adjustment part Description instrument IF adjustment Remote IF 1 (1) Receive a PAL colour bar pattern. control unit IF 2 (2) Enter the SERVICE MENU. IF 3 (3) Select IF 1 with the [ ]/[ ] key. IF 4 (4) Press [BLUE] key during IF 1 is highlighted, IF 1 and IF 2 values are adjusted automatically by software.
  • Page 15 Measuring Item Test point Adjustment part Description instrument RGB MODE Signal RGBH (1) Input R/G/B circle pattern signal via video input HORIZONTAL generator terminal. SHIFT (2) Press [AV] key, force the TV to RGB mode. adjustment Remote (3) Enter the SERVICE MENU. control unit (4) Select RGBH with the [ ]/[ ] key.
  • Page 16 Measuring Item Test point Adjustment part Description instrument HORIZONTAL Signal HPOF (1) Receive a NTSC circle pattern signal of vertical fre- POSITION generator quency 60Hz. OFFSET (2) Enter the SERVICE MENU. (60Hz) Remote (3) Select HPOF with the [ ]/[ ] key. adjustment control unit (4) Adjust HPOF with the [ ]/[ ] key until the circle...
  • Page 17 Measuring Item Test point Adjustment part Description instrument HORIZONTAL Signal HPOS (1) Receive a PAL circle pattern signal of vertical POSITION generator frequency 50Hz. OFFSET (2) Enter the GEOMETRY MENU. (50Hz) Remote (3) Select HPOS (Horizontal position) with the [ ]/[ ] adjustment control unit key.

  • Page 18: Troubleshooting

    SECTION 5 TROUBLESHOOTING This service manual does not describe TROUBLESHOOTING. 1-18 (No.YA081)
  • Page 19 Victor Company of Japan, Limited AV & MULTIMEDIA COMPANY VIDEO DISPLAY CATEGORY 12, 3-chome, Moriya-cho, kanagawa-ku, Yokohama, kanagawa-prefecture, 221-8528, Japan (No.YA081) Printed in Japan...
  • Page 20 USING P.W. BOARD & REMOTE CONTROL UNIT ....................3-1 EXPLODED VIEW PARTS LIST ..........................3-2 EXPLODED VIEW ............................... 3-3 PRINTED WIRING BOARD PARTS LIST [AV-14RM4SE] ..................3-4 MAIN P.W. BOARD ASS’Y (VE-20159378) ....................... 3-4 FRONT AV JACK P.W. BOARD ASS’Y (VE-20124552) ................... 3-6 HEADPHONE JACK P.W.

  • Page 21: Exploded View Parts List

    VE-20004333 LENS PRE-AMP  5 VE-20056446 LENS LED  6 VE-20159322 FRONT CABINET  7 VE-20176671 BUTTON FUNCTION VE-40021473 LOGO JVC VE-30001951 SPEAKER (x2) 8Ω 8W (50*90)  10 VE-20143801 BACK COVER VE-35010702 SCREW (4x20) (x5)  12 VE-20159451 LABEL AV-14RM4SN ...

  • Page 22: Exploded View

    EXPLODED VIEW (x5) CRT SOCKET PWB (within MAIN PWB) TR601 FRONT AV JACK PWB HEADPHONE JACK PWB MAIN PWB (No.YA081)3-3...

  • Page 23: Printed Wiring Board Parts List [Av-14Rm4Se]

    PRINTED WIRING BOARD PARTS LIST [AV-14RM4SE] MAIN P.W. BOARD ASS’Y (VE-20159378) Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local C408 VE-30000074 CAP MKT 100NF 63V J C409 VE-30000384 CAP EL 2.2UF 50V M...
  • Page 24 Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local C811 VE-30000345 CAP EL 10UF 50V M R433 VE-30000712 RES CF 1/4W 470R J C812 VE-30000161 CAP MKP 47NF 630Vdc / 622Vpp J R434 VE-30012657 RES SMD 1/16W 1K J...

  • Page 25: Front Av Jack P.w. Board Ass'y (Ve-20124552)

    FRONT AV JACK P.W. BOARD ASS’Y (VE-20124552) Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local R816 VE-30000470 RES CF 1/2W 10K J R817 VE-30000594 RES CF 1/4W 22K J JK1003 VE-30001882 RCA JACK 1P WHITE R820 VE-30000469...

  • Page 26: Printed Wiring Board Parts List [Av-14Rm4Sn]

    PRINTED WIRING BOARD PARTS LIST [AV-14RM4SN] MAIN P.W. BOARD ASS’Y (VE-20159381) Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local C405 VE-30016654 CAP SMD 100NF 16V K R C408 VE-30000074 CAP MKT 100NF 63V J C409 VE-30000384 CAP EL...
  • Page 27 Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local C807 VE-30000090 CAP MKT 22NF 100V J R429 VE-30000466 RES CF 1/4W 1K J C808 VE-30000418 CAP EL 100UF 400V M R430 VE-30000466 RES CF 1/4W 1K J C810 VE-30000315...

  • Page 28: Front Av Jack P.w. Board Ass'y (Ve-20124552)

    FRONT AV JACK P.W. BOARD ASS’Y (VE-20124552) Ref No. Part No. Part Name Description Local R805 VE-30000466 RES CF 1/4W 1K J REFER TO PARTS LIST IN PAGE 3-6 FOR THIS P.W. BOARD. R807 VE-30001157 RES MO 1W 330K J R808 VE-30000452 RES CF...

  • Page 29: Printed Wiring Board Parts List [Av-14Rm4Sp]

    PRINTED WIRING BOARD PARTS LIST [AV-14RM4SP] MAIN P.W. BOARD ASS’Y (VE-20159384) Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local C208 VE-30012610 CAP SMD 10NF 50V J C401 VE-30000345 CAP EL 10UF 50V M C402 VE-30000289 CAP SMD...
  • Page 30 Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local C649 VE-30012573 CAP SMD 47PF 50V J R423 VE-30012714 RES SMD 1/16W 820R J C650 VE-30000294 CAP SMD 100NF 50V K R424 VE-30012714 RES SMD 1/16W 820R J C801 VE-30000094...

  • Page 31: Front Av Jack P.w. Board Ass'y (Ve-20124552)

    Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local R628 VE-30014941 RES CF 1/4W 16K J SW502 VE-30015988 SWITCH TACT R629 VE-30000594 RES CF 1/4W 22K J SW503 VE-30015988 SWITCH TACT R631 VE-30012508 RES SMD 1/16W 1.8K J SW504...

  • Page 32: Packing

     Ref.No. Part No. Part Name Description Local VE-50050692 CARTON BOX AV-14RM4SN VE-50050686 CARTON BOX AV-14RM4SP VE-50050707 CARTON BOX AV-14RM4SE VE-20155373 SNOW BOX ASSY 4pcs in 1set VE-50018337 POLY BAG 50*90 (15+15) VE-70000587 POLY BAG VE-30017763 REMOTE CONTROL UNIT RM-C1100 ----------------...
  • Page 33 AV-14RM4SE AV-14RM4SN AV-14RM4SP STANDARD CIRCUIT DIAGRAM CONTENTS BLOCK DIAGRAMS CIRCUIT DIAGRAMS MAIN PWB CIRCUIT DIAGRAM HEADPHONE JACK PWB CIRCUIT DIAGRAM 2-17 FRONT AV JACK PWB CIRCUIT DIAGRAM 2-18 PATTERN DIAGRAMS 2-19 MAIN PWB PATTERN CRT SOCKET PWB PATTERN 2-21 HEADPHONE JACK PWB PATTERN...
  • Page 34 2-2(No.YA081)

  • Page 35: Block Diagrams

    BLOCK DIAGRAM PLL/VST TUNER AUDIO AMP UV1315/16 TDA 2822M HP MODULE AUDI O EEPROM VIDEO CONTROLLER RGB AMP PROCESSOR BASE BOARD ST92195 STV 2248C KEYPAD SENSOR VER AMP FAV/BAV VER. DEFL. SCART1 TDA8174AW +115V B+ +12V SMPS HOR DRIVE HOR. DEFL. UC3842 BU808DF +5V STBY...

  • Page 36: Circuit Diagrams

    CIRCUIT DIAGRAMS MAIN PWB CIRCUIT DIAGRAM (1/6) MAIN PWB (1/6) VE-20159381(AV-14RM4SN) VE-20159384 (AV-14RM4SP) VE-20159378 (AV-14RM4SE) (No.YA081)2-5 2-6(No.YA081)
  • Page 37 MAIN PWB CIRCUIT DIAGRAM (2/6) MAIN PWB (2/6) VE-20159381(AV-14RM4SN) VE-20159384 (AV-14RM4SP) VE-20159378 (AV-14RM4SE) (No.YA081)2-7 2-8(No.YA081)
  • Page 38 MAIN PWB CIRCUIT DIAGRAM (3/6) MAIN PWB (3/6) VE-20159381(AV-14RM4SN) VE-20159384 (AV-14RM4SP) VE-20159378 (AV-14RM4SE) (No.YA081)2-9 2-10(No.YA081)
  • Page 39 MAIN PWB CIRCUIT DIAGRAM (4/6) MAIN PWB (4/6) VE-20159381(AV-14RM4SN) VE-20159384 (AV-14RM4SP) VE-20159378 (AV-14RM4SE) (No.YA081)2-11 2-12(No.YA081)
  • Page 40 MAIN PWB CIRCUIT DIAGRAM (5/6) MAIN PWB (5/6) VE-20159381(AV-14RM4SN) VE-20159384 (AV-14RM4SP) VE-20159378 (AV-14RM4SE) (No.YA081)2-13 2-14(No.YA081)
  • Page 41 MAIN PWB CIRCUIT DIAGRAM (6/6) MAIN PWB (6/6) VE-20159381(AV-14RM4SN) VE-20159384 (AV-14RM4SP) VE-20159378 (AV-14RM4SE) (No.YA081)2-15 2-16(No.YA081)

  • Page 42: Headphone Jack Pwb Circuit Diagram

    FRONT AV JACK CIRCUIT DIAGRAM HEADPHONE JACK PWB CIRCUIT DIAGRAM HEADPHONE JACK PWB VE-20170438 FRONT AV JACK PWB VE-20124552 (No.YA081)2-17 2-18(No.YA081)

  • Page 43: Pattern Diagrams

    PATTERN DIAGRAMS MAIN PWB PATTERN FRONT CRT SOCKET PWB PATTERN (Within MAIN PWB) (No.YA081)2-19 2-20(No.YA081)

  • Page 44: Headphone Jack Pwb Pattern

    HEADPHONE JACK PWB PATTERN FRONT AV JACK PWB PATTERN (No.YA081)2-21 2-22(No.YA081)

This manual is also suitable for:

Av-14rm4snAv-14rm4sp

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