1. Manuals
  2. Brands
  3. JVC Manuals
  4. TV
  5. AV-28KT1SUF/D
  6. Service manual

JVC AV-28KT1SUF/D Service Manual

Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual
SERVICE MANUAL
7
2006
52137D
RM-C1100
1
PRECAUTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
2
SPECIFIC SERVICE INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
3
DISASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4
4
ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-8
5
TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-18
COLOUR TELEVISION
AV-28KT1SUF
TV

TABLE OF CONTENTS

COPYRIGHT © 2006 Victor Company of Japan, Limited
/D
No.52137D
2006/7

Advertisement

Table of Contents
loading

Related Manuals for JVC AV-28KT1SUF/D

Summary of Contents for JVC AV-28KT1SUF/D

  • Page 1: Table Of Contents

    SERVICE MANUAL COLOUR TELEVISION 52137D 2006 AV-28KT1SUF RM-C1100 TABLE OF CONTENTS PRECAUTION............... . . 1-3 SPECIFIC SERVICE INSTRUCTIONS .
  • Page 2 SPECIFICATION Item Content Dimensions ( W × H × D ) 76cm × 57cm × 47.3cm Mass 34kg TV RF System B/G, D/K, I, L/L' Colour System TV Mode PAL / SECAM Video Mode PAL / SECAM / NTSC 3.58 / NTSC 4.43 Sound System A2 (B/G, D/K), NICAM (B/G, D/K, I, L/L') Teletext System...

  • Page 3: Precaution

    Please refer to "AV-28KT1SUF/A (No.52137)" about this section except a written item. Supplementary AV-28KT1SUF/D is the models whose picture tube and some PWB were changed based on AV-28KT1SUF/A. Therefore, this service manual describes only the items which differ from those of the AV-28KT1SUF/A service manual.

  • Page 4: Disassembly

    SECTION 3 DISASSEMBLY DISASSEMBLY PROCEDURE 3.1.1 REMOVING THE REAR COVER 3.1.9 CHECKING THE PW BOARD (1) Unplug the power cord. • To check the back side of the PW Board. (2) Remove the 10 screws [A]. (1) Pull out the PW Board. (Refer to REMOVING THE MAIN (3) Remove the 4 screws [B].
  • Page 5 REAR COVER MAIN PWB BACK DOOR POWER CORD CHASSIS FRAME CRT SOCKET PWB BASE SPEAKER FUNCTION BUTTON SIDE PICTURE TUBE CONTROL LED PWB POWER SW PWB FRONT CABINET Fig.1 (No.52137D)1-5...
  • Page 6 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 AK49-0.0.104-JVC-GRA 1. Power off SAVEFS Switch the power off and unplug the power cord from the outlet.
  • Page 7 3.2.3 SETTINGS OF FACTORY SHIPMENT 3.2.3.1 BUTTON OPERATION 3.2.3.2 REMOTE CONTROL DIRECT OPERATION Setting item Setting position Setting item Setting position POWER CHANNEL CHANNEL ZOOM AUTO Hyper Sound 3.2.3.3 REMOTE CONTROL MENU OPERATION (1) PICTURE (3) FEATURE Setting item Setting position Setting item Setting position PICTURE MODE...

  • Page 8: Adjustment

    SECTION 4 ADJUSTMENT ADJUSTMENT PREPARATION (1) You can make the necessary adjustments for this unit with either the Remote Control Unit or with the adjustment tools and parts as given below. (2) Adjustment with the Remote Control Unit is made on the basis of the initial setting values, however, the new setting values which set the screen to its optimum condition may differ from the initial settings.
  • Page 9 ADJUSTMENT LOCATIONS LED PWB POWER SW PWB (SOLDER SIDE) POWER SW RECEIVER LED FRONT FUSE PL100 POWER CORD MAIN PWB FRONT PL800 PFC COIL PL801 PL101 DEG COIL PL802 PL103 PL102 PL404 PL401 MEMORY PL105 DEF YOKE IC101 PL110 HEAD PHONE PL602 PL111...
  • Page 10 BASIC OPERATION OF SERVICE MODE SERVICE MENU SELECT KEY 4.5.1 HOW TO ENTER THE SERVICE MODE (1) Press the [INFORMATION] key and [MUTING] key simultaneously. (2) The SERVICE MENU screen will be displayed.(Fig.1) SERVICE MENU MUTING key AK49-0.0.104-JVC-GRA SAVEFS LOADFS DCXO DCXOA FAPS ISPM...
  • Page 11 INITIAL SETTING VALUES IN THE SERVICE MODE Item Item Item name Variable range Setting value Item name Variable range Setting value 049 YSCM 000 - 015 001 FAPS 050 YNTS 000 - 015 002 ISPM ON/OFF 051 YPAL 000 - 015 003 INIT ON/OFF 052 YAV1...
  • Page 12 Item Item Item name Variable range Setting value Item name Variable range Setting value 089 FSL 000 - 001 000 = Disable 117 OPEQ 090 MUS ON/OFF 001 = Enable 091 PWL 000 - 015 118 --- 092 BPS ON/OFF 119 V-3D 000 - 063 093 CLPL...
  • Page 13 Item Item Item name Variable range Setting value Item name Variable range Setting value 162 PVSHMV 000 - 063 214 OFB 000 - 063 163 PVBRWK 000 - 063 215 PGR 000 - 127 164 PVCTWK 000 - 063 216 PGG 000 - 127 165 PVCLWK 000 - 063...
  • Page 14 [On the FBT] (2) Select VG2. (3) Adjust the SCREEN VR until the "STABLE IN" sign 009 VG2 appears on the screen. [SERVICE MODE] AK49-0.0.104-JVC-GRA AGCSPD AGCTO COFF TUBE VERT ZOOM VERT SLOP VERT SHIFT STABLE IN Appears 1-14 (No.52137D)
  • Page 15 4.7.3 DEFLECTION CIRCUIT ADJUSTMENT Measuring Item Test point Adjustment part Description instrument VERTICAL Signal 013 VERT SHIFT (1) Receive a circle pattern signal. SHIFT generator (2) Enter the SERVICE MODE. adjustment (3) Select VERT SHIFT. Remote (4) Adjust VERT SHIFT to make A=B. control unit (5) Check and readjust VERT SHIFT item if the adjustment becomes improper after some other...
  • Page 16 Measuring Item Test point Adjustment part Description instrument HORIZONTAL Signal 019 HOR SHIFT (1) Receive a circle pattern signal. SHIFT generator (2) Enter the SERVICE MODE. adjustment (3) Select HOR SHIFT. Remote (4) Adjust HOR SHIFT to make C=D. control unit (5) Check and readjust HOR SHIFT item if the adjustment becomes improper after some other geometric adjustments are done.
  • Page 17 Measuring Item Test point Adjustment part Description instrument TRAPEZIUM Signal 021 TRAPEZ (1) Receive a crosshatch signal. adjustment generator (2) Enter the SERVICE MODE. (3) Select TRAPEZ. Remote (4) Adjust TRAPEZ until vertical lines, especially lines at control unit the sides of the picture frame become parallel to the both sides of picture tubes as close as possible.

  • Page 18: Troubleshooting

    SECTION 5 TROUBLESHOOTING This service manual does not describe TROUBLESHOOTING. Victor Company of Japan, Limited Display Category 12, 3-chome, Moriya-cho, Kanagawa-ku, Yokohama-city, Kanagawa-prefecture, 221-8528, Japan (No.52137D) Printed in Japan...
  • Page 19 PARTS LIST CAUTION The parts identified by the symbol are important for the safety . Whenever replacing these parts, be sure to use specified ones to secure the  safety. The parts not indicated in this Parts List and those which are filled with lines --- in the Parts No. columns will not be supplied. P.W.
  • Page 20 CONTENTS USING P.W. BOARD & REMOTE CONTROL UNIT ....................3-2 EXPLODED VIEW PARTS LIST -1 ..........................3-3 EXPLODED VIEW -1 ..............................3-4 EXPLODED VIEW -2 ..............................3-5 PRINTED WIRING BOARD PARTS LIST ........................3-6 MAIN P.W. BOARD ASS'Y (VE-20265027) ....................... 3-6 CRT SOCKET P.W.

  • Page 21: Exploded View Parts List -1

    VE-30037592 FB TRANSF. Within MAIN PWB(TR601)  VE-20119985 FRONT CABINET VE-20120046 ON/OFF BUTTON POWER  VE-35000013 SPRING ON/OFF SWITCH VE-40013593 JVC LOGO VE-20056446 LENS(LED)  VE-20094352 LENS (IR SENSOR)   VE-20096498 FUNCTION BUTTON VE-30028092 SPEAKER 8ohm 15W 57x160mm(x2) VE-20110931...

  • Page 22: Exploded View -1

    EXPLODED VIEW -1 T601 3-4(No.52137D)

  • Page 23: Exploded View -2

    EXPLODED VIEW -2 LED PWB POWER SW PWB (SOLDER SIDE) FRONT MAIN PWB FRONT PL800 PL101 PL103 PL102 PL404 PL401 PL105 DEF. YOKE PL110 HEAD PHONE PL602 PL111 MENU PL107 P/Ch PL603 PL106 PL115 PL605 SIDE CONTROL PL116 PL902 SPEAKER SPEAKER PL901 CRT SOCKET PWB...

  • Page 24: Printed Wiring Board Parts List

    PRINTED WIRING BOARD PARTS LIST MAIN P.W. BOARD ASS'Y (VE-20265027) Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local D613 VE-30001318 DIODE D614 VE-30038472 Z DIODE IC100 VE-30029324 D616 VE-30001285 DIODE IC101 VE-20262898 (SERVICE) D618 VE-30038504...
  • Page 25 Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local C180 VE-30012610 CAPACITOR 10nF 50V J C449 VE-30000352 E CAPACITOR 100uF 16V M C181 VE-30012603 CAPACITOR 100nF 25V K C450 VE-30016654 CAPACITOR 100nF 16V K C182 VE-30016654 CAPACITOR...
  • Page 26 Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local R108 VE-30012510 RESISTOR 1/16W 100R J R248 VE-30012657 RESISTOR 1/16W 1K J R111 VE-30000459 RESISTOR 1/4W 100R J R249 VE-30012509 RESISTOR 1/16W 100K J R112 VE-30000459 RESISTOR...

  • Page 27: Crt Socket P.w. Board Ass'y (Ve-20247134)

    Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local R637 VE-30012657 RESISTOR 1/16W 1K J L115 VE-30001971 FERRITE R638 VE-30014420 RESISTOR 1/16W 10K F L116 VE-30001971 FERRITE R639 VE-30000977 RESISTOR 1/4W 39K F L117 VE-30001971 FERRITE...

  • Page 28: Side Control P.w. Board Ass'y (Ve-20209390)

    Ref No. Part No. Part Name Description Local R906 VE-30001208 FUSE RESISTOR 1W 10R J R907 VE-30000458 RESISTOR 1/2W 100R J R908 VE-30000788 RESISTOR 1/4W 6.8M J R909 VE-30000535 RESISTOR 1/2W 150K J R910 VE-30000477 RESISTOR 1/4W 100K J R911 VE-30000477 RESISTOR 1/4W 100K J...

  • Page 29: Packing

    PACKING PACKING PARTS LIST  Ref.No. Part No. Part Name Description Local VE-50086737 CARTON BOX VE-20116671 SNOW BOX ASSY 4pcs in 1set VE-50042308 POLY BAG 1200x1050mm VE-30017763 REMOTE CONTROL UNIT RM-C1100 ------------ BATTERY AA/R06 (x2)  VE-50085999 INST BOOK Swedish/Norwegian/Finn/Danish VE-50086735 INST BOOK English/French/Dutch/Spanish/German/Italian/Portuguese...
  • Page 30 SCHEMATIC DIAGRAMS COLOUR TELEVISION 52137D 2006 AV-28KT1SUF CD-ROM No.SML200607 RM-C1100 No.52137D COPYRIGHT © 2006 Victor Company of Japan, Limited 2006/7...
  • Page 31 AV-28KT1SUF STANDARD CIRCUIT DIAGRAM NOTE ON USING CIRCUIT DIAGRAMS 1.SAFETY Type No indication : Ceramic capacitor The components identified by the symbol and shading are : Metalized mylar capacitor critical for safety. For continued safety replace safety ciritical : Polypropylene capacitor components only with manufactures recommended parts.
  • Page 32 CONTENTS SEMICONDUCTOR SHAPES ..............2-2 WIRING DIAGRAM ..................2-3 BLOCK DIAGRAM ..................2-4 CIRCUIT DIAGRAMS MAIN PWB CIRCUIT DIAGRAM ........................ 2-5 CRT SOCKET PWB CIRCUIT DIAGRAM ....................2-13 SIDE CONTROL PWB CIRCUIT DIAGRAM ..................... 2-15 LED PWB CIRCUIT DIAGRAM ......................... 2-17 POWER SW PWB CIRCUIT DIAGRAM ....................2-18 PATTERN DIAGRAMS MAIN PWB PATTERN ..........................

  • Page 33: Wiring Diagram

    WIRING DIAGRAM BLOCK DIAGRAM MAIN TUNER (PLL) LED PWB POWER SW PWB (SOLDER SIDE) Antenna PIP TUNER (PLL) FRONT TDA9885T Video_in MAIN PWB FRONT VIFIN B_SVHS F_SVHS IFVO PL800 CVBS1 CVBS2 CVBS_OUT CVBS_IN CVBS3 PL101 CVBS4 R, G, B, FBLK C2/C3 PL103 PL102...

  • Page 34: Circuit Diagrams

    CIRCUIT DIAGRAMS MAIN PWB CIRCUIT DIAGRAM (1/4) SIDE CONTROL LED PWB ASS'Y PWB ASS'Y PL101 PL106 SIDE CONTROL PWB ASS'Y SIDE CONTROL PL107 PWB ASS'Y PL109 LED PWB ASS'Y PL102 CRT SOCKET PWB ASS'Y MAIN PWB ASS'Y(1/4) PL901 VE-20265027 NOTE : Refer to the part list for the part number of IC101. c11ak49-7_0017_0413_4/4_0.0 (No.52137D)2-5 2-6(No.52137D)
  • Page 35 MAIN PWB CIRCUIT DIAGRAM (2/4) SIDE CONTROL SIDE CONTROL PWB ASS'Y PL112 PWB ASS'Y PL113 OPEN MAIN PWB ASS'Y(2/4) VE-20265027 c11ak49-7_0047_0413_3/4_0.0 (No.52137D)2-7 2-8(No.52137D)
  • Page 36 MAIN PWB CIRCUIT DIAGRAM (3/4) DEF. YOKE DEF. YOKE MAIN PWB ASS'Y(3/4) VE-20265027 CRT SOCKET PWB ASS'Y PL902 c11ak49-7_0037_0413_2/4_0.0 (No.52137D)2-9 2-10(No.52137D)
  • Page 37 MAIN PWB CIRCUIT DIAGRAM (4/4) PFC COIL POWER SW PWB ASS'Y PL801 MAIN PWB ASS'Y(4/4) VE-20265027 c11ak49-7_0027_0413_1/4_0.0 (No.52137D)2-11 2-12(No.52137D)

  • Page 38: Crt Socket Pwb Circuit Diagram

    CRT SOCKET PWB CIRCUIT DIAGRAM MAIN PWB ASS'Y(3/4) PL605 MAIN PWB ASS'Y(1/4) PL105 CRT SOCKET PWB ASS'Y VE-20247134 c11tp49b-4_0509_1/1_0.0 (No.52137D)2-13 2-14(No.52137D)

  • Page 39: Side Control Pwb Circuit Diagram

    SIDE CONTROL PWB CIRCUIT DIAGRAM MAIN PWB ASS'Y(1/4) PL116 MAIN PWB ASS'Y(1/4) PL115 MAIN PWB ASS'Y(2/4) PL401 MAIN PWB ASS'Y(2/4) PL404 SPEAKER (R) SPEAKER (L) MAIN PWB ASS'Y(1/4) PL102 SIDE CONTROL PWB ASS'Y VE-20209390 c11sb107-9_0602_1/1_0.0 (No.52137D)2-15 2-16(No.52137D)

  • Page 40: Led Pwb Circuit Diagram

    LED PWB CIRCUIT DIAGRAM POWER SW PWB CIRCUIT DIAGRAM MAIN PWB ASS'Y (4/4) PL800 POWER CORD MAIN PWB ASS'Y(1/4) PL101 MAIN PWB ASS'Y(1/4) PL103 POWER SW PWB ASS'Y LED PWB ASS'Y VE-20209413 VE-20209387 c11ld13-1_0602_1/1_0.0 c11sw02_0509_1/1_0.0 (No.52137D)2-17 2-18(No.52137D)

  • Page 41: Pattern Diagrams

    PATTERN DIAGRAMS MAIN PWB PATTERN [SOLDER SIDE] FRONT (No.52137D)2-19 2-20(No.52137D)
  • Page 42 MAIN PWB PATTERN [PARTS SIDE] FRONT (No.52137D)2-21 2-22(No.52137D)

  • Page 43: Crt Socket Pwb Pattern

    SIDE CONTROL PWB PATTERN [SOLDER SIDE] CRT SOCKET PWB PATTERN [SOLDER SIDE] CRT SOCKET PWB PATTERN [PARTS SIDE] SIDE CONTROL PWB PATTERN [PARTS SIDE] (No.52137D)2-23 2-24(No.52137D)

  • Page 44: Led Pwb Pattern

    LED PWB PATTERN POWER SW PWB PATTERN FRONT (No.52137D)2-25 2-26(No.52137D)
  • Page 45 Victor Company of Japan, Limited Disp lay Category 12, 3-chome, Moriya-cho, Kanagawa-ku, Yokohama-city, Kanagawa-prefecture, 221-8528, Japan (No.52137D) Printed in Japan...

This manual is also suitable for:

Av-28kt1suf/a

Table of Contents