JVC AV-29WX11 Service Manual
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JVC AV-29WX11 Service Manual

Flat colour television
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See also: Instruction Manual
SERVICE MANUAL
FLAT COLOUR TELEVISION
RM-C1306
RM-C1306-1H
[AV-29WX11
/G
[AV-29WX11
/S
[AV-29WX11
/U
1 PRECAUTION ......................................................................................................................................................... 1-3
2 SPECIFIC SERVICE INSTRUCTIONS ................................................................................................................... 1-4
3 DISASSEMBLY ....................................................................................................................................................... 1-7
4 ADJUSTMENT ...................................................................................................................................................... 1-14
5 TROUBLESHOOTING ........................................................................................................................................... 1-31
COPYRIGHT © 2003 VICTOR COMPANY OF JAPAN, LTD.
AV-29WX11
AV-29WX11
AV-29WX11
AV-2932W1
RM-C1309
RM-C1309-1H
]
[AV-2932W1
]
/E
]
]

TABLE OF CONTENTS

BASIC CHASSIS
CH3
/G
/S
/U
/E
No.52197
2003/9

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Summary of Contents for JVC AV-29WX11

  • Page 1: Table Of Contents

    SERVICE MANUAL FLAT COLOUR TELEVISION BASIC CHASSIS AV-29WX11 AV-29WX11 AV-29WX11 AV-2932W1 RM-C1306 RM-C1309 RM-C1306-1H RM-C1309-1H [AV-29WX11 [AV-2932W1 [AV-29WX11 [AV-29WX11 TABLE OF CONTENTS 1 PRECAUTION ................................. 1-3 2 SPECIFIC SERVICE INSTRUCTIONS ........................1-4 3 DISASSEMBLY ............................... 1-7 4 ADJUSTMENT ..............................1-14 5 TROUBLESHOOTING ............................
  • Page 2 SPECIFICATION Contents Items AV-29WX11/G, AV-29WX11/S, AV-29WX11/U AV-2932W1/E Dimensions (W 81.2cm x 58.4cm x 51.8cm × × Mass 43kg TV RF System B, G, I, D, K, M Colour System TV Mode PAL / SECAM / NTSC3.58 / NTSC4.43 Video Mode PAL / SECAM / NTSC3.58 / NTSC4.43...

  • Page 3: Precaution

    SECTION 1 PRECAUTION 1.1 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 dress in the high voltage circuit area.

  • Page 4: Specific Service Instructions

    In accordance with the brightness in a room, the brightness and/or contrast of the picture can be adjusted automatically to make the optimum picture which is easy on the eye. Built-in OFF TIMER & RETURN +. • 2.2 MAIN DIFFERENCE LIST Items AV-29WX11/G AV-29WX11/S AV-29WX11/U AV-2932W1/E MAIN PWB ASS’Y SCH-1182A-H2...
  • Page 5 2.3 FUNCTIONS REMOTE CONTROL UNIT RM-C1306-1H [AV-29WX11/G, AV-29WX11/S, AV-29WX11/U] MUTING key CINEMA SURROUND key COLOUR SYSTEM key ECO SENSOR key SOUND SYSTEM key Number keys DISPLAY key -/-- key MENU ( / , / ) keys VOLUME (-/+) keys TV/VIDEO key...
  • Page 6 FRONT PANEL CONTROLS HEADPHONE jack VOLUME (-/+) buttons IN (VIDEO-3) : VIDEO TV/VIDEO buttons IN (VIDEO-3) : AUDIO L/MONO Remote control sensor IN (VIDEO-3) : AUDIO R ECO sensor MENU ( ) button POWER lamp CHANNEL (-/+) buttons MAIN POWER button REAR TERMINAL VIDEO-1 INPUT TERMINAL S-VIDEO...

  • Page 7: Disassembly

    SECTION 3 DISASSEMBLY 3.1 DISASSEMBLY PROCEDURE 3.1.1 REMOVING THE REAR COVER 3.1.5 REMOVING THE SPEAKER • Unplug the power cord. • Remove the REAR COVER. (1) Remove the 16 screws [A] as shown in Fig.1. (1) Remove the 2 screws [G] as shown in Fig.1. (2) Withdraw the REAR COVER toward you.
  • Page 8 PICTURE TUBE [FRONT SIDE] CONTROL BASE (X2) FRONT CABINET CHASSIS SPEAKER BASE Fig.2 SOCKET PWB FRONT CONTROL PWB (2/2) MAIN PWB CLAW B (under side) FRONT CONTROL PWB (1/2) SPEAKER AV TERMINAL Fig.2 BOARD (X2) CONTROL BASE CHASSIS BASE CLAW B (under side) (×4) REAR COVER...
  • Page 9 3.2 REPLACEMENT OF MEMORY IC 3.2.1 MEMORY IC SERVICE MENU This TV uses the following memory IC. Memory IC: IC1702 on MAIN PW Board SERVICE MENU The memory IC memorizes data for correctly operating the 1. IF 2. VC video and deflection circuits. When replacing the memory 3.
  • Page 10 3.2.3 FACTORY SETTING VALUE !SETTING OF SYSTEM CONSTANT SET Setting value Setting item Setting content AV-29WX11/G AV-29WX11/S AV-29WX11/U AV-2932W1/E ← ← ← SYSTEM MULTI TRIPLE SINGLE VIET MULTI COMB ← ← ← ← ← ← TILT ← ← ← SUPER BASS...
  • Page 11 !SETTING OF SWITCHES ON FRONT PANEL AND REMOTE CONTROL UNIT Setting item Setting value POWER SUB POWER VOLUME COLOR SYSTEM SOUND SYSTEM PICTURE MODE (VSM) BRIGHT CINEMA SURROUND OFF TIMER STEREO MODE STEREO CHANNEL POSITION PRESET 1 Table 2 !SETTING OF MENU SCREEN Setting item Setting value INPUT...
  • Page 12 !SERVICE MENU SETTING ITEMS Service menu Setting item Service menu Setting item 1. IF 1. VCO 5. PRESET 1. PSNS 2. DELAY POINT [Do not adjust] 2. ACL 3. MUS 4. MAT 2. VC 1. CUTOFF(R/G) 5. FCO 2. DRIVE(R/G/B) 6.
  • Page 13 3.3 REPLACEMENT OF CHIP COMPONENT 3.3.1 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. 3.3.2 SOLDERING IRON (1) Use a high insulation soldering iron with a thin pointed end of it.

  • Page 14: Adjustment

    SECTION 4 ADJUSTMENT 4.1 ADJUSTMENT PREPARATION (1) You can make the necessary adjustments for this unit with either the remote control unit or with the adjustment equipment 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 15 4.4 ADJUSTMENT LOCATIONS FRONT CONTROL PWB ASS’Y (1/2) FRONT CONTROL PWB ASS’Y (2/2) FRONT FRONT S805 S801 S803 J304 J303 J302 J801 POWER S804 S806 S802 S801 : CH UP + CN002 S802 : CH DOWN – S901 S803 : MENU CN003 CN002 S804 : TV/VIDEO...
  • Page 16 4.5 BASIC OPERATION IN SERVICE MENU 4.5.1 TOOL OF SERVICE MENU OPERATION Operate the SERVICE MENU with the remote control unit. 4.5.2 SERVICE MENU ITEMS With the SERVICE MENU,various settings (adjustments) can be made, and they are broadly classified in the following items of settings: 1.
  • Page 17 4.5.4 SERVICE MENU FLOW CHART SUB MENU 1. IF SERVICE MENU SERVICE MENU 1. IF 2. VC VCO (CW) ***** 3. DEF 4. VSM PRESET TOO HIGH 5. PRESET 1. VCO ABOVE REFERENCE 6. PLUG & PLAY (ON) BELOW REFERENCE 2.
  • Page 18 4.6 ADJUSTMENT PROCEDURE 4.6.1 B1 POWER SUPPLY Measuring Item Test point Adjustment part Description instrument Signal B1 (pin 1) (1) Receive a black and white signal. B1 POWER SUPPLY generator GND (pin 5) (2) Connect a DC voltmeter between B1 and GND (between [CN00S pins 1 and 5 of the connector CN00S).
  • Page 19 4.6.4 VIDEO CIRCUIT ADJUSTMENTS • The setting (adjustment) using the remote control unit is made on the basis of the initial setting values. • The setting values which adjust the screen to the optimum condition can be different from the initial setting values. •...
  • Page 20 Measuring Item Test point Adjustment part Description instrument WHITE Signal [2. VC] Notes: • generator 2.DRIVE (R) BALANCE Proceed to the following adjustment after having completed (High light) 2.DRIVE (G) the WHITE BALANCE (Low light) adjustment. Remote 2.DRIVE (B) adjustment •...
  • Page 21 Measuring Item Test point Adjustment part Description instrument [Method of adjustment without measuring instrument] Remote [2. VC] COLOUR Ι control unit 5. COLOUR Notes: • Proceed to the following adjustment after having completed adjustment the SUB CONTRAST adjustment. • Set PICTURE MODE (VSM) to “BRIGHT”. –...
  • Page 22 Measuring Item Test point Adjustment part Description instrument SUB TINT Ι Signal [2. VC] [Method of adjustment without measuring instrument] adjustment generator 6. TINT Notes: • Proceed to the following adjustment after having completed Remote the SUB CONTRAST adjustment. control unit •...
  • Page 23 4.6.5 DEFLECTION CIRCUIT ADJUSTMENTS • The setting (adjustment) using the remote control unit is made on the basis of the initial setting values. • The setting values which adjust the screen to the optimum condition can be different from the initial setting values. •...
  • Page 24 Measuring Item Test point Adjustment part Description instrument [3. DEF] – PAL V. HEIGHT – V. HEIGHT Signal adjustment 2. VER. HEIGHT (1) Receive a PAL cross-hatch signal. generator 13. V. ZOOM (2) Select 2. VER. HEIGHT. (3) Set the initial setting value of 2. VER. HEIGHT. Remote (4) Select 13.
  • Page 25 Measuring Item Test point Adjustment part Description instrument SIDE PIN [3. DEF] – PAL SIDE PIN – Signal adjustment 7. EW-PIN (1) Receive a PAL cross-hatch signal. generator (2) Select 7. EW-PIN. (3) Set the initial setting value of 7. EW-PIN. Remote (4) Adjust 7.
  • Page 26 Measuring Item Test point Adjustment part Description instrument [3. DEF] – PAL CORNER – CORNER Signal adjustment 9. UP CORNER (1) Receive a PAL cross-hatch signal. generator 10. DW CORNER (2) Select 9. UP CORNER. (3) Set the initial setting value of 9. UP CORNER. Remote (4) Select 10.
  • Page 27 COMPRESS : ON (16:9), fv: 50Hz/60Hz mode Measuring Test point Adjustment part Description Item instrument V. HEIGHT Signal [3.DEF] – PAL V. HEIGHT – generator 13. V. ZOOM (1) Receive a PAL cross-hatch signal of vertical frequency adjustment 2. VER. HEIGHT 50Hz.
  • Page 28 Measuring Item Test point Adjustment part Description instrument [3. DEF] – PAL SIDE PIN – SIDE PIN Signal adjustment 7. EW-PIN (1) Receive a PAL cross-hatch signal. generator (2) Select 7. EW-PIN. (3) Set the initial setting value of 7. EW-PIN. Remote (4) Adjust 7.
  • Page 29 VIDEO - 2 SET : COMPONENT, fv: 50/60Hz mode Measuring Item Test point Adjustment part Description instrument H. POSITION [3. DEF] (1) Receive a PAL circle pattern signal to VIDEO-2 terminal. Signal adjustment 5. HOR. POSITION (2) Select VIDEO-2 SET from the MENU and set VIDEO-2 generator SET to COMPONENT.
  • Page 30 4.6.7 PRESET SETTING • Do not adjust 5. PRESET in the SERVICE MENU as it requires no adjustment. [SUB MENU 5. PRESET] Setting item Variable range Initial setting value 1. PSNS 2. ACL 3. MUS 4. MAT 5. FCO 6. BPS 7.

  • Page 31: Troubleshooting

    SECTION 5 TROUBLESHOOTING 5.1 SELF CHECK FUNCTIONS 5.1.1 OUTLINE This model has self check functions given below.When an abnormality has been detected, the SUB POWER is turned off and POWER LED flash to inform of the failure. An abnormality is detected by the signal input state of the control line connected to the microcomputer.

  • Page 32: Standard Circuit Diagram

    AV-29WX11 , AV-29WX11 , AV-29WX11 , AV-2932W1 STANDARD CIRCUIT DIAGRAM NOTE ON USING CIRCUIT DIAGRAMS ! ! ! ! ! • 1. SAFETY Type The components identified by the ! ! ! ! ! symbol and shading No indication : Ceramic capacitor are critical for safety.
  • Page 33 CONTENTS SEMICONDUCTOR SHAPES ............................ 2-2 BLOCK DIAGRAM ................................2-3 CIRCUIT DIAGRAMS MAIN PWB CIRCUIT DIAGRAM (1/2) ..........................2-5 MAIN PWB CIRCUIT DIAGRAM (2/2) ..........................2-7 CRT SOCKET PWB CIRCUIT DIAGRAM ......................... 2-9 FRONT CONTROL PWB CIRCUIT DIAGRAM ......................2-11 PATTERN DIAGRAMS MAIN PWB PATTERN ..............................

  • Page 34: Block Diagram

    BLOCK DIAGRAM MAIN PWB IC701 MAIN MICROCOMPUTER, TELETEXT DECODER, VIDEO/SYNC/DEF PROCESSOR TU001 TUNER 28, 29 SF101 SIF IN QSS OUT SAW FILTER SOUND CRT SOCKET PWB 23, 24 SF102 IF IN VIDEO IF VOUT SAW FILTER DETECT ROUT IC801 GOUT IC101 VIDEO/AUDIO SW INSERT...

  • Page 35: Circuit Diagrams

    : DTC323TK-X 10/50 100K 100K Q103 C108 Q683 ∗ MAIN PWB ASS'Y (1/2) ∗ R003 R004 : KTC3199/YG/-T 3.9K : NRSA63J-0R0X SCH-1182A-H2 (AV-29WX11/G) Q684 C681 C003 C004 ∗ 220/16 R689 C683 L002 470/16 : NON MOUNT (OPEN) D657 R688 R690 ∗...
  • Page 36 MAIN PWB ASS'Y (2/2) : NRSA63J-0R0X R575 R585 R576 C574 R579 R581 R582 R584 : OPTION (OPEN) R572 R574 SCH-1182A-H2 (AV-29WX11/G) : BUS WIRE SCH-1183A-H2 (AV-29WX11/S) Y571 R571 SCH-1184A-H2 (AV-2932W1/E) SCH-1185A-H2 (AV-29WX11/U) ∗ ∗ DIFFERENCE LIST ( PARTS) CN0HV C907...

  • Page 37: Crt Socket Pwb Circuit Diagram

    CRT SOCKET PWB CIRCUIT DIAGRAM CRT SOCKET PWB ASS'Y IC101 SCH-3006A-H2 TDA6107JF/N3 CN00T QGA2501C5-06Z C101 K205 DL261 470/16 R261 CE41925-001 MAIN PWB CN00T R262 C123 Q264 TP-47B R142 4.7/250 ∗ R171 R265 1.5K R266 R263 QRZ0107-152Z R128 R267 A68QCU770X52K D109 SG102 Q261 ∗...

  • Page 38: Front Control Pwb Circuit Diagram

    FRONT CONTROL PWB CIRCUIT DIAGRAM J801 QNS0155-001 ROTATION COIL IN (VIDEO-3) J304 J303 J302 QGA2501C5-03Z QNN0279-001 QNN0279-002 QNN0279-003 CN00R CN00B R499 QRE121J-561Y R830 R831 R814 2.2K 2.2K NRSA63J-222X NRSA63J-222X C487 QFLC1HJ-103Z IC801 R513 D507 GP1UM281QK R827 R828 C814 FRONT CONTROL PWB ASS'Y C505 R826 C551...

  • Page 39: Pattern Diagrams

    PATTERN DIAGRAM MAIN PWB PATTERN Q955 L951 J801 J802 J803 J804 R970 IC951 R593 R962 J805 Q591 K101 Q952 Q953 C658 R808 W428 TU001 D971 R801 R812 R594 R810 W339 R973 K956 R991 Y906 Y101 W408 PC901 C959 R803 R592 R972 R004 R695...

  • Page 40: Crt Socker Pwb Pattern

    CRT SOCKET PWB PATTERN W028 R169 R172 R233 W020 K204 Q123 HS101 C115 R179 D203 IC101 C102 W016 R175 R121 R142 K203 L121 W023 D111 TP-E R123 SG102 C123 R230 W017 SG101 D112 D109 D110 D113 W032 D114 R227 R228 R267 Q264 SG104...

  • Page 41: Front Control Pwb Pattern

    FRONT CONTROL PWB PATTERNS -FRONT CONTROL (1/2)- W037 FC901 W061 CN001 W042 Y903 W059 W038 W039 W036 W060 W035 Y904 R481 Y901 W040 R497 Y401 Y902 R487 R486 W033 R492 W031 D801 R802 R493 R488 Q481 R491 R495 R820 R819 C802 R801 R813...

  • Page 42: Voltage Chart

    VOLTAGE CHART Note : • Mark * expresses the portion into which a voltage value is changed. <CRT SOCKET PWB> <FRONT PWB> <MAIN PWB> PIN NO. VOLTAGE(V) PIN NO. VOLTAGE(V) PIN NO. VOLTAGE(V) PIN NO. VOLTAGE(V) PIN NO. VOLTAGE(V) PIN NO. VOLTAGE(V) PIN NO.

  • Page 43: Waveforms

    WAVEFORMS -MAIN PWB- IC401-3 IC401-5 IC401-6 IC401-7 IC401-1 25Vp-p 50Vp-p 28Vp-p 0.7Vp-p 0.8Vp-p IC701-21 IC701-22 IC701-33 IC701-34 IC701-38 IC701-42 IC701-43 1.2Vp-p 1.7Vp-p 4.0Vp-p 5.5Vp-p 2.0Vp-p 0.6Vp-p 0.2Vp-p IC701-58 IC701-59 IC701-47 IC701-51 IC701-52 IC701-53 [0.2us/div] [0.2us/div] 2.6Vp-p 3.3Vp-p 1.2Vp-p 2.8Vp-p 2.5Vp-p 3.6Vp-p IC801-7 IC801-13...
  • Page 44 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. 52197) Printed in Japan...

This manual is also suitable for:

Av-29wx11uAv-29wx11sAv-29wx11eAv-29wx11gAv-2932w1

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