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JVC HD-56FH96 Service Manual
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JVC HD-56FH96 Service Manual

D-ila projection television
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SERVICE MANUAL
D-ILA PROJECTION TELEVISION
12
2005
YA337
1
PRECAUTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
2
SPECIFIC SERVICE INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-7
3
DISASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-10
4
ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-31
5
TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-39
HD-56FH96,
HD-61FH96,
HD-70FH96

TABLE OF CONTENTS

COPYRIGHT © 2005 Victor Company of Japan, Limited
[HD-70FH96]
BASIC CHASSIS
RA
No.YA337
2005/12

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Summary of Contents for JVC HD-56FH96

  • Page 1: Table Of Contents

    SERVICE MANUAL D-ILA PROJECTION TELEVISION YA337 2005 HD-56FH96, HD-61FH96, HD-70FH96 BASIC CHASSIS [HD-70FH96] TABLE OF CONTENTS PRECAUTION............... . . 1-3 SPECIFIC SERVICE INSTRUCTIONS .
  • Page 2 SPECIFICATION Contents Items HD-56FH96 HD-61FH96 HD-70FH96 Dimensions ( W × H × D ) 131.8 cm × 96.7 cm × 43.4 cm 145.6 cm × 104.3 cm × 46.7 cm 162.6 cm × 116.8 cm × 51.9 cm (52" × 38-1/8" × 17-1/8") (57-3/8"...

  • Page 3: Precaution

    SECTION 1 PRECAUTION SAFETY PRECAUTIONS (1) The design of this product contains special hardware, (6) Isolation Check (Safety for Electrical Shock Hazard) many circuits and components specially for safety After re-assembling the product, always perform an purposes. For continued protection, no changes should be isolation check on the exposed metal parts of the cabinet made to the original design unless authorized in writing by (antenna terminals, video/audio input and output terminals,...
  • Page 4 INSTALLATION LAMP UNIT HANDLING CAUTION 1.2.1 HEAT DISSIPATION If the heat dissipation vent behind this unit is blocked, cooling LAMP UNIT : TS-CL110UAA efficiency may deteriorate and temperature inside the unit will rise. The temperature sensor that protects the unit will be activated when internal temperature exceeds the predetermined level and power will be turned off automatically.
  • Page 5 1.3.3 LAMP UNIT REPLACEMENT 1.3.6 PRECAUTION FOR REPLACEMENT (1) The lamp replacement message will appear when need to • Do not replace the LAMP UNIT immediately after the projector change the lamp. After replace the lamp, need to reset the has been used.
  • Page 6 SERVICE PARTS KIT INSTRUCTIONS SCREEN HANDLING CAUTIONS Due to the character of this product, these OPTICAL /DRIVE 1.5.1 SCREEN STORAGE ASS'Y are prepared. Store the SCREEN ASS'Y in a standing position in order to avoid Please note these OPTICAL/DRIVE ASS'Y when replacing or deformation.

  • Page 7: Specific Service Instructions

    Expression of a favorite screen can be chosen by the VIDEO VIDEO INPUT LABEL STATUS function. This function is used to label video input connections for the onscreen displays. MAIN DIFFRENCE LIST Item HD-56FH96 HD-61FH96 HD-70FH96 MEDIA CARD VIEWER DIGITAL PWB SRA0D003A-M2 SRA0D002A-M2 SRA0D001A-M2 ←...
  • Page 8 TECHNICAL INFORMATION 2.4.1 D-ILA DEVICE SPECIFICATION 2.4.4 D-ILA DEVICE STRUCTURE Item Content R / G / B DEVICE (SIDE VIEW) H: 1952 × V:1088 Resolution Glass Pixel number about 2123776 substrate H : 8.1µm × V :8.1µm Pixel size Aspect ratio 16 : 9 Incident light Contrast ratio...
  • Page 9 2.4.5 MAIN CPU PIN FUNCTION [IC7601 : DIGITAL PWB ASS'Y] Pin name Function Pin name Function VHOLD1 Data slice for main screen closed caption Not used HFLT1 I/O LPF for main screen closed caption video input Not used Not used Not used Not used Not used...

  • Page 10: Disassembly

    • Make sure that there is no bent or stain on the connectors before inserting, and firmly insert the connectors. • Wait until the LAMP UNIT has cool down is completely. • While not in repair service, place the chassis back its original position. 3.1.1 FRONT SIDE DISASSEMBLY [HD-56FH96] 3.1.1.1 REMOVING THE SPEAKER GRILL (Fig.1) 3.1.1.8...
  • Page 11 SCREEN BLOCK SCREEN BRACKET FRONT BRACKET SCREEN ASS'Y BACK COVER SCREEN BLOCK FRONT PANEL MAIN BODY CENTER COVER SPEAKER FRONT LED PWB SPEAKER CENTER PANEL SPEAKER GRILL FRONT ORNAMENT PANEL Fig.1 (No.YA337)1-11...
  • Page 12 3.1.1.10 REMOVING THE MIRROR (Fig.2) 3.1.1.13 REMOVING THE BACK COVER (Fig.2) • Remove the SPEAKER GRILL. • Remove the SPEAKER GRILL. • Remove the FRONT PANEL. • Remove the FRONT PANEL. • Remove the SCREEN BLOCK. • Remove the SCREEN BLOCK. (1) Remove the 4 screws [A] attaching the MIRROR HOLDER •...
  • Page 13 BACK COVER MIRROR HOLDER MIRROR HOLDER MIRROR MIRROR HOLDER SIDE CONTROL SPEAKER MAIN BODY SIDE CONTROL BASE SUPPORT HOLDER FRONT SPEAKER Fig.2 (No.YA337)1-13...
  • Page 14 3.1.2 FRONT SIDE DISASSEMBLY [HD-61FH96] 3.1.2.1 REMOVING THE SPEAKER GRILL (Fig.3) 3.1.2.7 REMOVING THE CENTER COVER (Fig.3) (1) Remove the 2 screws [A]. • Remove the SPEAKER GRILL. (2) Remove the SPEAKER GRILL. • Remove the FRONT PANEL with SCREEN ASS'Y. (1) Remove the 2 screws [J].
  • Page 15 BACK COVER SPEAKER PLATE SPEAKER BACK COVER FILTER FILTER COVER CENTER SPEAKER COVER PLATE SCREEN BRACKET SPEAKER FRONT PANEL FRONT SCREEN ASS'Y LED PWB SCREEN BRACKET CENTER PANEL SPEAKER GRILL FRONT ORNAMENT PANEL Fig.3 (No.YA337)1-15...
  • Page 16 3.1.2.11 REMOVING THE MIRROR (Fig.4) 3.1.2.13 REMOVING THE CORNER COVER (Fig.4) • Remove the SPEAKER GRILL. • Remove the SPEAKER GRILL. • Remove the FRONT PANEL. • Remove the FRONT PANEL. (1) Remove the 6 screws [A] attaching the MIRROR HOLDER (1) Remove the 1 screw [E].
  • Page 17 BACK COVER MIRROR HOLDER MIRROR HOLDER CORNER COVER MIRROR HOLDER MIRROR SIDE CONTROL CORNER COVER MAIN BODY SIDE CONTROL BASE FRONT Fig.4 (No.YA337)1-17...
  • Page 18 3.1.3 FRONT SIDE DISASSEMBLY [HD-70FH96] 3.1.3.1 REMOVING THE SPEAKER GRILL (Fig.5) 3.1.3.7 REMOVING THE SCREEN BLOCK (Fig.5) (1) Remove the 2 screws [A]. • Remove the SPEAKER GRILL. (2) Remove the SPEAKER GRILL. • Remove the SPEAKER. • Remove the FRONT PANEL. NOTE : (1) Remove the 6 screws [H] and 8 screws [J].
  • Page 19 SCREEN BLOCK SCREEN ASS'Y SCREEN BRACKET SCREEN BRACKET BACK COVER FRONT PANEL MAIN BODY SCREEN BLOCK SPEAKER CENTRE COVER FRONT LED PWB FRONT SPEAKER CENTER PANEL ORNAMENT PANEL SPEAKER GRILL Fig.5 (No.YA337)1-19...
  • Page 20 3.1.3.10 REMOVING THE MIRROR (Fig.6) 3.1.3.12 REMOVING THE SIDE CONTROL PWB (Fig.6) • Remove the SPEAKER GRILL. • Remove the SPEAKER GRILL. • Remove the SPEAKER. • Remove the SPEAKER. • Remove the FRONT PANEL. • Remove the FRONT PANEL. •...
  • Page 21 BACK COVER MIRROR HOLDER STOPPER MIRROR HOLDER(top) MIRROR HOLDER BRACKET(top) MIRROR MIRROR HOLDER HOLDER (side) (side) MIRROR BACK COVER BRACKET (REAR) SIDE CONTROL BACK COVER BRACKET (L/R) SIDE CONTROL BASE BACK COVER BRACKET (FRONT) MAIN BODY SPEAKER BOX FRONT SPEAKER BOX Fig.6 (No.YA337)1-21...
  • Page 22 3.1.4 REAR SIDE DISASSEMBLY 3.1.4.4 REMOVING THE AV TERMINAL BOARD (Fig.7) • Remove the LAMP COVER. 3.1.4.1 REMOVING THE LAMP UNIT (Fig.7) • Remove the BODY COVER. (1) Remove the 1 screw [A]. • Remove the BODY BRACKET. (2) Remove the LAMP COVER. •...
  • Page 23 3.1.4.9 REMOVING THE ATSC TUNER MODULE PWB (Fig.7) 3.1.4.11 REMOVING THE IRIS PWB (Fig.7) • Remove the LAMP COVER. • Remove the LAMP COVER. • Remove the BODY COVER. • Remove the BODY COVER. • Remove the BODY BRACKET. • Remove the BODY BRACKET. •...
  • Page 24 LAMP UNIT MAIN BODY LAMP COVER FRONT BODY BRACKE DIGITAL PWB TUNER PWB HANGER ATSC TUNER BRACKET SHIELD COVER ATSC TUNER COOLING FAN DIGITAL PWB SHIELD COVER ANALOG PWB POWER DIGITAL PWB BRACKET ATSC TUNER MODULE PWB SD CARD PWB SD CARD BRACKET AV TERMINAL BOARD...
  • Page 25 3.1.4.13 REMOVING THE LAMP COVER SW PWB (Fig.8) 3.1.4.18 REMOVING THE IRIS PWB (Fig.8) • Remove the LAMP COVER. • Remove the LAMP COVER. • Remove the BODY COVER. • Remove the BODY COVER. • Remove the BODY BRACKET. • Remove the BODY BRACKET. •...
  • Page 26 3.1.4.22 REMOVING THE OPTICAL BLOCK COOLING FAN 3.1.4.24 REMOVING THE CARD VIEWER PWB [HD-70FH96] (Fig.8) (Fig.8) • Remove the LAMP COVER. • Remove the LAMP COVER. • Remove the BODY COVER. • Remove the BODY COVER. • Remove the BODY BRACKET. •...
  • Page 27 OPTICAL / DRIVE ASS'Y FRONT TOP DUCT PLATE REMOCON THERMOSTAT LAMP BALLAST BLOCK LAMP BALLAST TOP DUCT DUCT IRIS LAMP FAN DUCT DEVICE LAMP SHIELD LAMP COOLING FAN BALLAST SHIELD UNIT CASE DRIVE BALLAST UNIT LAMP BALLAST COOLING FAN BRACKET COOLING FAN BRACKET THERMO PWB...
  • Page 28 MEMORY IC REPLACEMENT • This model uses the memory IC. • This memory IC stores data for proper operation of the video and drive circuits. • When replacing, be sure to use an IC containing this (initial value) data. 3.2.1 MEMORY IC TABLE Simbol Number of pins Mounting PWB Main content of data...
  • Page 29 3.2.4 SETTINGS OF FACTORY SHIPMENT 3.2.4.1 BUTTON OPERATION 3.2.4.2 REMOTE CONTROL DIRECT OPERATION Setting item Setting position Setting item Setting position POWER INPUT CHANNEL CABLE-02 CHANNEL CABLE-02 VOLUME VOLUME INPUT MUTING DISPLAY ASPECT NTSC Reguler HD FULL SLEEP TIMER THEATER PRO NATURAL CINEMA AUTO C.C.
  • Page 30 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 31: Adjustment

    SECTION 4 ADJUSTMENT ADJUSTMENT PREPARATION MEASURING INSTRUMENT AND FIXTURES (1) There are 2 ways of adjusting this TV : One is with the • Oscilloscope REMOTE CONTROL UNIT and the other is the • Signal generator (Pattern generator) conventional method using adjustment parts and [NTSC / 525i / 525p / 750p / 1125i] components.
  • Page 32 BASIC OPERATION OF SERVICE MODE 4.5.1 HOW TO ENTER THE SERVICE MODE 4.5.4 ADJUSTMENT MODE (1) Set to "0 minutes" using the [SLEEP TIMER] key. This mode is used to adjust the VIDEO CIRCUIT and the MTS (2) While "0 minutes" is displayed, press the [VIDEO STA- CIRCUIT.
  • Page 33 (3) VIDEO STATUS 4.5.5 RGB BOX PATTERN MODE This mode is used to adjust the DRIVE CIRCUIT. : STANDARD 4.5.5.1 HOW TO ENTER THE RGB BOX PATTERN MODE : DYNAMIC When the SERVICE MENU SCREEN of SERVICE MODE is : THEATER displayed, press [9] key to enter the RGB BOX PATTERN GAME : GAME...
  • Page 34 INITIAL SETTING VALUES IN THE SERVICE MODE • Perform fine-tuning based on the "initial values" using the remote control when in the Service mode. • The "initial values" serve only as an indication rough standard and therefore the values with which optimal display can be achieved may be different from the default values.
  • Page 35 Item No. Item Variable range Setting value Item No. Item Variable range Setting value M073 1E48 00 - FF M123 1E7A 00 - FF M074 1E49 00 - FF M124 1E7B 00 - FF M075 1E4A 00 - FF M125 1E7C 00 - FF M076...
  • Page 36 Item No. Item Variable range Setting value Item No. Item Variable range Setting value M173 1EAC 00 - FF M205 1ECC 00 - FF M174 1EAD 00 - FF M206 1ECD 00 - FF M175 1EAE 00 - FF M207 1ECE 00 - FF M176...
  • Page 37 4.7.2 DRIVE CIRCUIT Measuring Item Test point Adjustment part Description instrument DRIVE Remote [9.RGB BOX PATTERN] (1) Set to "0 minutes" using the [SLEEP TIMER] CONVERGENCE control unit key. (2) Press [VIDEO STATUS] [DISPLAY] key simultaneously, to enter the Vertical RGB box pattern Horizontal RGB box pattern SERVICE MODE.
  • Page 38 4.7.3 VIDEO CIRCUIT Measuring Item Test point Adjustment part Description instrument WHITE Remote [1.ADJUST] (1) Receive a NTSC 75% all white pattern. BALANCE control unit S001: R DRIVE (Red drive) (2) Set "VIDEO STATUS" to "STANDARD". (HIGHLIGHT) S002: G DRIVE (Green drive) (3) Set "ASPECT"...

  • Page 39: Troubleshooting

    SECTION 5 TROUBLESHOOTING SELF CHECK FEATURE 5.1.5 POINTS TO NOTE WHEN USING THE SELF CHECK FEATURE 5.1.1 OUTLINE In addition to circuit failures (abnormal operation), the following This unit comes with the "Self check" feature, which checks the cases may also be diagnosed as "Abnormal" and displayed and operational state of the circuit and displays/saves it during counted as "NG".
  • Page 40 5.1.6 DETAILS Self check is performed for the following items: < Page 1 of screen > Diagnosis Detection item Display Detection content Detection timing signal (line) Low bias line short Detection of the low bias line(5V/9V/12V) short. LB_PRO Detection starts 3 seconds after protection Q9821, Q9831, Q9861...
  • Page 41 5.1.7 DISPLAY METHOD WHEN RASTER IS NOT AVAILABLE In a state where a display screen does not appear due to the failure of this unit, the POWER LED (blue) and LAMP/PROGRAM LED (orange) can be flushing and display a trouble mode. The factors in case the power is forcibly shut down at the time of failure are memorized and those are displayed.
  • Page 42 Victor Company of Japan, Limited ILA Display Category 12, 3-chome, Moriya-cho, Kanagawa-ku, Yokohama-city, Kanagawa-prefecture, 221-8528, Japan (No.YA337) Printed in Japan...

This manual is also suitable for:

Hd-61fh96Hd-70fh96