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JVC HD-56FH97 Service Manual

JVC HD-56FH97 Service Manual

D-ila projection television
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SERVICE MANUAL
D-ILA PROJECTION TELEVISION
9
YA409
2006
HD-56FH97, HD-56FN97,
HD-61FH97, HD-61FN97
1
PRECAUTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
2
SPECIFIC SERVICE INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-7
3
DISASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-10
4
ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-24
5
TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-32

TABLE OF CONTENTS

COPYRIGHT © 2006 Victor Company of Japan, Limited
BASIC CHASSIS
RA2
No.YA409
2006/9

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Summary of Contents for JVC HD-56FH97

  • Page 1: Table Of Contents

    SERVICE MANUAL D-ILA PROJECTION TELEVISION YA409 2006 HD-56FH97, HD-56FN97, HD-61FH97, HD-61FN97 BASIC CHASSIS TABLE OF CONTENTS PRECAUTION............... . . 1-3 SPECIFIC SERVICE INSTRUCTIONS .
  • Page 2 SPECIFICATION Contents Items HD-56FH97 HD-56FN97 HD-61FH97 HD-61FN97 Dimensions ( W 129.2 cm 94.4 cm 45.0 cm 140.3 cm 101.6 cm 48.4 cm (50-7/8" 37-1/8" 17-3/4") (55-1/4" 40" 19") Mass 41 kg (91 lbs) 45 kg (99 lbs) TV RF System (Analog...
  • 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

    Since the V-CHIP is built in, it can choose, view and listen to a This function is used to label video input connections for the healthy program. onscreen displays. MAIN DIFFRENCE LIST Item HD-56FH97 HD-56FN97 HD-61FH97 HD-61FN97 FRONT PANEL COLOR BLACK SILVER &...
  • 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) Resolution H: 1952 V:1088 Glass Pixel number about 2123776 substrate Pixel size H : 8.1 m V :8.1 m 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

    SECTION 3 DISASSEMBLY DISASSEMBLY PROCEDURE CAUTION AT DISASSEMBLY: • Be sure to perform the SYSTEM SETTEING, at the end of the procedure. • Make sure that the power cord is disconnected from the outlet. • Pay special attention not to break or damage the parts. •...
  • Page 11 CENTER COVER SPACER SCREEN SPACER BRACKET FRONT PANEL SPACER SPACER SPACER SPEAKER SCREEN SPACER BRACKET SCREEN ASS'Y SPACER FRONT LED SPEAKER CLAW SPEAKER GRILL FRONT Fig.1 (No.YA409)1-11...
  • Page 12 3.1.1.7 REMOVING THE MIRROR (Fig.2) 3.1.1.10 REMOVING THE BACK COVER (Fig.2) • Remove the SPEAKER GRILL. • Remove the SPEAKER GRILL. • Remove the FRONT PANEL with the SCREEN ASS'Y. • Remove the FRONT PANEL with the SCREEN ASS'Y. (1) Remove the 4 screws [A] attaching the MIRROR HOLDER •...
  • Page 13 FILTER COVER FILTER BACK COVER MIRROR HOLDER SUPPORT PLATE FILTER FILTER COVER MIRROR SUPPORT HOLDER BRACKET SUPPORT BRACKET SUPPORT MIRROR PLATE HOLDER CLAW MIRROR SIDE CONTROL CLAW MIRROR HOLDER SIDE CONTROL MIRROR BASE HOLDER MAIN BODY FRONT SHADE COVER Fig.2 (No.YA409)1-13...
  • Page 14 3.1.2 REAR SIDE DISASSEMBLY 3.1.2.1 REMOVING THE LAMP UNIT (Fig.3) 3.1.2.4 REMOVING THE AV TERMINAL BOARD (Fig.3) (1) Remove the 1 screw [A]. • Remove the LAMP COVER. (2) Remove the LAMP COVER. • Remove the BODY COVER. (3) Remove the 2 screws [B] •...
  • Page 15 3.1.2.8 REMOVING THE DIGITAL PWB (Fig.3) 3.1.2.10 REMOVING THE ATSC TUNER PWB (Fig.3) • 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 16 MAIN BODY FRONT LAMP COVER LAMP UNIT BODY BRACKET HANGER TUNER PWB BRACKET ATSC TUNER POWER PWB COOLING FAN ATSC TUNER SHIELD COVER DIGITAL PWB SHIELD COVER DIGITAL PWB DIGITAL PWB BRACKET ATSC TUNER SD CARD SD CARD BRACKET ANALOG AV TERMINAL BOARD POWER CORD...
  • Page 17 3.1.2.12 REMOVING THE LAMP COVER SW PWB (Fig.4) 3.1.2.17 REMOVING THE LAMP BALLAST BLOCK (Fig.4) • Remove the LAMP COVER. • Remove the LAMP COVER. • Remove the BODY COVER. • Remove the BODY COVER. • Remove the BODY BRACKET. •...
  • Page 18 3.1.2.21 REMOVING THE DRIVE PWB (Fig.4) • Remove the LAMP COVER. • Remove the BODY COVER. • Remove the BODY BRACKET. • Remove the MAIN UNIT. (1) Slide the TOP DUCT PLATE and remove it. (2) Remove the 1 screw [Q] and the 1 screw [R]. (3) Remove the TOP DUCT.
  • Page 19 OPTICAL / DRIVE ASS'Y FRONT TOP DUCT PLATE THERMOSTAT REMOCON TOP DUCT LAMP FAN DUCT IRIS LAMP BALLAST BLOCK LAMP SHIELD BALLAST UNIT CASE LAMP COOLING FAN-1 DRIVE LAMP LAMP BALLAST COOLING BRACKET FAN-2 SHIELD COVER COOLING FAN BRACKET THERMO PWB SIROCCO TOP CASE PROJECTION...
  • Page 20 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 21 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, SD PANORAMA ATSC(525i, 525p) PANORAMA ZOOM ATSC(750p, 1125i), HD, 1125p FULL PC REGULAR SLEEP TIMER...
  • Page 22 SOUND ADJUST INITIAL SETUP Setting item Setting position Setting item Setting position BASS VIDEO-1 MONITOR OUT TREBLE TV SPEAKER BALANCE AUDIO OUT TURN ON VOLUME CURRENT DIGITAL-IN AUTO VOLUME LIMIT DIGITAL-IN1 AUDIO AUTO CENTER CH INPUT CLOCK / TIMERS NOISE MUTING Setting item Setting position FRONT PANEL LOCK...
  • Page 23 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 24: 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 25 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 CIRCUIT.
  • Page 26 (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 27 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 28 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 29 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 30 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] Vertical RGB box pattern Horizontal RGB box pattern [DISPLAY] key simultaneously, to enter the SERVICE MODE.
  • Page 31 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 32: 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 33 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 34 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 35 Victor Company of Japan, Limited ILA Display Category 12, 3-chome, Moriya-cho, Kanagawa-ku, Yokohama-city, Kanagawa-prefecture, 221-8528, Japan (No.YA409) Printed in Japan...

This manual is also suitable for:

Hd-56fn97Hd-61fh97Hd-61fn97