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SERVICE MANUAL
REAR PROJECTION TELEVISION
02
2003
52096
1
PRECAUTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
2
SPECIFIC SERVICE INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-7
3
DISASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-11
4
ADJUSTMENTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-23
5
TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-34
HD-52Z575,
HD-52Z585,
HD-61Z575,
HD-61Z585
TABLE OF CONTENTS
COPYRIGHT © 2004 Victor Company of Japan, Limited.
REVISED
BASIC CHASSIS
RP2
No.YA092B
2004/8
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Summary of Contents for JVC HD-52Z585
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Page 1: Table Of Contents
SERVICE MANUAL REAR PROJECTION TELEVISION 52096 2003 HD-52Z575, HD-52Z585, HD-61Z575, HD-61Z585 BASIC CHASSIS TABLE OF CONTENTS PRECAUTIONS ............... 1-3 SPECIFIC SERVICE INSTRUCTIONS . - Page 2 SPECIFICATION Contents Items HD-52Z575 HD-61Z575 HD-52Z585 HD-61Z585 Dimensions (W x H x D) 126.4cm x 91.4cm x 41.2cm 145.6cm x 104.2cm x 47cm (49-7/8" x 36 x 16-1/4") (57-3/8" x 41 x 18-1/2") Mass 37.8kg (84lbs) 44.3kg (98lbs) TV RF System...
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Page 3: Precautions
SECTION 1 PRECAUTIONS 1.1 SAFETY PRECAUTIONS (10) Isolation Check (Safety for Electrical Shock Hazard) After re-assembling the (1) The design of this product contains special hardware, many circuits product, always perform an isolation check on the exposed metal and components specially for safety purposes. For continued parts of the cabinet (antenna terminals, video/audio input and output protection, no changes should be made to the original design unless terminals, Control knobs, metal cabinet, screwheads, earphone jack,... - Page 4 1.2 INSTALLATION 1.2.1 HEAT DISSIPATION If the heat dissipation vent behind this unit is blocked, cooling 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 LAMP UNIT HANDLING CAUTION NOTE : • This message will appear every time turn on the TV, when the lamp needs to be replaced. Press the [OK] key to make the message disappear, or replace the lamp. LAMP NEEDS TO BE REPLACED. REFER TO OWNER'S MANUAL FOR REPLACEMENT INSTRUCTIONS.
- Page 6 1.4 SERVICE PARTS KIT INSTRUCTIONS 1.5 SCREEN HANDLING CAUTIONS 1.5.1 SCREEN STORAGE Store the SCREEN ASS'Y in a standing position in order to avoid deformation. If the screen is stored horizontally, there is risk of deforming the screen face. When necessary to place the SCREEN ASS'Y horizontally, position the screen side upwards and sure to place spacers between the screen and resting site (floor or stand etc.) to prevent the screen from sagging.
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Page 7: Specific Service Instructions
SECTION 2 SPECIFIC SERVICE INSTRUCTIONS 2.1 TECHNICAL INFORMATION 2.1.1 DIFFERENCE LIST Items HD-52Z575 / HD-61Z575 HD-52Z585 / HD-61Z585 SMART SOUND Built-in SMART CAPTION Built-in FRONT CABINET Silver Black 2.1.2 PROJECTION UNIT 2.1.5 D-ILA DEVICE STRUCTURE R / G / B DEVICE (SIDE VIEW) - Page 8 2.1.6 MAIN CPU PIN FUNCTION (IC7601 : M306V7FGF-088FP) [DIGITAL SIGNAL PWB ASS’Y] Port Pin name Function Port Pin name Function VHOLD1 VHOLD1 Data slice for main screen closed caption 51 P4.3 O Not used HFLT1 HFLT1 I/O LPF for main screen closed caption video input 52 P4.2 O Not used P9.4...
- Page 9 2.1.7 SUB (CHASSIS) CPU PIN FUNCTION (IC7001 : MN102H60KPA) [DIGITAL SIGNAL PWB ASS’Y] Port Pin name Function Port Pin name I/O Function 51 SBI3 BS TXD O Not use : Data transmission for digital tuner 1 P60 LB PRO O Not use communication 2 P61 P MU...
- Page 10 2.1.8 SYSTEM RESET When the DIGITAL SIGNAL PWB is replaced or the DIGITAL MAIN MENU SCREEN INPUT is not normal, reset the SYSTEM SETTING using the following procedure. SERVICE MENU SERVICE MENU 1.ADJUST 1.ADJUST (1) Set to 0 minutes using the [SLEEP TIMER] key. 2.SELF_CHK 2.SELF_CHK 3.I2C STOP...
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Page 11: Disassembly
3.1.9 SCREEN ASS’Y 3.1.2 SPEAKER • Take out the SCREEN BLOCK. • Take out the SPEAKER GRILL. [HD-52Z575 / HD-52Z585] (1) Remove 4 screws [ C ]. (1) Remove 20 screws [ K ] from FRONT CABINET. (2) Take out the SPEAKER. - Page 12 SCREEN BRACKET SCREEN SCREEN ASSY BLOCK FRONT CABINET FRONT PANEL (52V: x20) (61V: x24) (52V: x16) (61V: x20) (x10) (x4) (x1) FILTER COVER (x2) LAMP SPEAKER UNIT (x1) CUSHION LAMP COVER CENTER (x4) (x1) PANEL (x2) FILTER SPEAKER GRILL(L) (x2) COVER (x2) FRONT...
- Page 13 <FRONT INNER SIDE> 3.1.11 MIRROR 3.1.13 SIDE CONTROL PWB • Take out the SPEAKER GRILL both side. • Take out the SCREEN BLOCK. • Take out the FRONT PANEL. • Take out the SIDE CONTROL BASE. • Take out the SCREEN BLOCK. (1) Remove 4 screws [ C ] from rear side of SIDE CONTROL (1) Remove 12 screws [ A ] attaching the MIRROR HOLDER BASE.
- Page 14 <BODY SIDE> 3.1.15 BODY COVER (3) Take out the connector [FJ:12pin], [SW:4pin], [SPR:2pin (1) Remove 9 screws [ A ] (BODY). (black)], [SPL:2pin(white)], [FL:7pin]. (2) Remove 6 screws [ B ] (AV TERMINAL BOARD). (4) Remove 2 screws [ E ] from rear side. (3) Take out the BODY COVER.
- Page 15 <INNER PWB SIDE> 3.1.18 AV TERMINAL BOARD 3.1.22 RECEIVER PWB • Take out the BODY COVER. • Take out the BODY COVER. (1) Remove 5 screws [ A ]. • Take out the BODY BRACKET. (2) Remove 1 screw [ B ]. •...
- Page 16 FRONT BODY FRONT (x4) RECEIVER SUB DRIVE (x6) ANALOG SIGNAL REGULATOR (x2) ANALOG PWB BRACKET (x4) (x4) PWB HOLDER (x1) EARTH WIRE REAR JACK (x1) SHIELD (x2) COVER (x1) DIGITAL SIGNAL (x1) EARTH WIRE ANTENNA TERMINAL (x1) UNIT BASE POWER PWB POWER PWB BRACKET (x5)
- Page 17 <OPTICAL SIDE> 3.1.30 MAIN DRIVE PWB • Take out the BODY COVER. 3.1.26 LAMP FAN DUCT & THERMOSTAT • Take out the BODY BRACKET. • Take out the BODY COVER. • Take out the MAIN UNIT. • Take out the BODY BRACKET. (1) Take out the TOP DUCT PLATE.
- Page 18 <OPTICAL SIDE VIEW> TOP DUCT PLATE BODY FRONT FRONT TOP DUCT (x2) SHIELD TOP CASE (x4) MAIN DRIVE REMOTE SENSOR (x1) (x1) (x2) SHIELD PLATE LAMP UNIT FAN CONTROL FRONT SHADE COVER (x2) FRONT SHADE BRACKET OPTICAL BLOCK (x2) THERMOSTAT (x4) (x7) LAMP FAN...
- Page 19 3.1.36 SHIELD PLATE ATTACHMENT PROCESS • Take out the TOP DUCT / TOP DUCT PLATE. <ASSEMBLY PROCESS> • Take out the MAIN DRIVE PWB with SHIELD TOP CASE. SHIELD PLATE < Assembly > (1) Copper film case with laminate surface to be top. OPTICAL BLOCK (2) Fold 9 points...
- Page 20 3.2 MEMORY IC REPLACEMENT 3.2.1 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. 3.2.2 MEMORY IC REPLACEMENT PROCEDURE 1. Power off Switch off the power and disconnect the power cord from SERVICE MENU SCREEN the wall outlet.
- Page 21 INPUT MUTING CHANNEL CABLE-02 DISPLAY VOLUME SOUND A.H.S OFF BBE ON SMART SOUND OFF [HD-52Z585 / HD-61Z585] ASPECT REGULAR CLOSED CAPTION (C.C) VIDEO STATUS DYNAMIC TWIN PICTURE SOURCE LEFT SIDE : CA02 RIGHT SIDE : INPUT1 3.2.4.3 REMOTE CONTROL MENU OPERATION...
- Page 22 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.
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Page 23: Adjustments
• MTS SEPARATION adjustment All 00 (TINT / COLOR / BRIGHT/PICTURE / DETAIL) COLOR TEMPERATURE DIG. NOISE CLEAR COLOR MANAGEMENT DYNAMIC GAMMA SOUND All 00 (BASS / TREBLE / BALANCE) STEREO A.H.S SMART SOUND [HD-52Z585 / HD-61Z585] ASPECT FULL (No.YA092B)1-23... - Page 24 4.5 BASIC OPERATION OF THE SERVICE MENU Operate the SERVICE MENU with the remote control unit. 4.5.1 HOW TO ENTER THE SERVICE MENU SERVICE MENU (1) Press the [SLEEP TIMER] key and while indication of "SLEEP TIMER 0 MIN." is being displayed, press SERVICE MENU [DISPLAY] key and [VIDEO STATUS] key simultaneously, 1.
- Page 25 4.5.7 DESCRIPTION OF STATUS DISPLAY The status display on the upper part of the SERVICE MENU screen is common. (1) SIGNAL SYSTEM (OSD) (EXPLAIN) NTSC3 : NTSC3.58 SERVICE MENU NTSC4 : NTSC4.48 525I : 525i SERVICE MENU 525P : 525p 1.
- Page 26 4.6 INITIAL SETTING VALUE OF SERVICE MENU (1) Adjustment of the SERVICE MENU is made on the basis of the initial setting values; however, the new setting values which set the screen in its optimum condition may differ from the initial setting. (2) Do not change the initial setting values of the setting items NOT LISTED IN ADJUSTMENT.
- Page 27 Item No. Item name Variable range Setting value Item No. Item name Variable range Setting value D012 SV GN 0~3F D060 (NO DISPLAY) 0~FF D013 SVH GN 0~3F D061 (NO DISPLAY) 0~FF D014 SH GN 0~3F D062 (NO DISPLAY) 0~FF D015 SV Pf 0~03 D063 (NO DISPLAY)
- Page 28 Item No. Item name Variable range Setting value Item No. Item name Variable range Setting value D108 (NO DISPLAY) 0~FF D155 (NO DISPLAY) 0~FF D109 (NO DISPLAY) 0~FF D156 (NO DISPLAY) 0~FF D110 (NO DISPLAY) 0~FF D157 (NO DISPLAY) 0~FF D111 (NO DISPLAY) 0~FF D158 (NO DISPLAY)
- Page 29 4.7 ADJUSTMENT PROCEDURE 4.7.1 OPTICAL BLOCK / DRIVE CIRCUIT Measuring Item Test point Adjustment part Description instrument LENS FOCUS Hexagon FOCUS knob (1) Take out the FRONT PANEL, SPEAKER GRILL adjustment wrench [PROJECTION LENS] (L / R), CENTER PANEL and cushions. (2) Display the MENU screen.
- Page 30 Measuring Item Test point Adjustment part Description instrument DRIVE CENTER Signal (1) Input the center-cross signal pattern. generator POSITION (2) Set the [SLEEP TIMER] to 0 min. adjustment (3) Press the [DISPLAY] key and the [VIDEO STATUS] Remote key simultaneously. control unit (4) Press the [9] key to display the RGB box pattern.
- Page 31 4.7.2 VIDEO CIRCUIT Measuring Item Test point Adjustment part Description instrument 525i Signal (1) Input a 525i ramp pattern from COMPONENT [1. ADJUST] A-D OFFSET generator VIDEO INPUT terminal. S001: PREPARE adjustment (2) Set VIDEO STATUS to [STANDARD]. S008: 5i CB OF Remote (3) Set ASPECT to [FULL].
- Page 32 Measuring Item Test point Adjustment part Description instrument 1125i Signal [1. ADJUST] (1) Input a 1125i 30% all white pattern signal from generator COMPONENT VIDEO INPUT terminal. A-D OFFSET S001:PREPARE (2) Set VIDEO STATUS to [STANDARD]. adjustment S013:HD CB OF Remote (3) Set ASPECT to [FULL].
- Page 33 Measuring Item Test point Adjustment part Description instrument Signal (1) Receive a NTSC all-white (75% white) pattern WHITE [1. ADJUST] generator signal. S030:R DRIVE BALANCE (2) Set VIDEO STATUS to [STANDARD]. (High light) (Red drive) Remote (3) Set ASPECT to [FULL]. adjustment control unit S031:G DRIVE...
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Page 34: Troubleshooting
SECTION 5 TROUBLESHOOTING 5.1 SELF-CHECK FEATURE 5.1.1 OUTLINE This unit comes with the SELF-CHECK feature, which checks the operational state of the circuit and displays/saves it during <SERVICE MENU SCREEN> failure. SELF-CHECK is performed when power is turned on, and information input to the main microcomputer is monitored at all SERVICE MENU 1. - Page 35 5.1.6 DETAILS Self-check is performed for the following items. Diagnosis Check item Display Description of detection Means of detection signal (line) Low bias line (9V / 5V) short protector Protector Detection starts 3 seconds upon power Low bias line short activated.
- Page 36 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 LED (orange) can light up 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 37 JVC SERVICE & ENGINEERING COMPANY OF AMERICA DIVISION OF JVC AMERICAS CORP. www.jvcservice.com(US Only) JVC CANADA INC. Head office : 21 Finchdene Square Scarborough, Ontario M1X 1A7 (416)293-1311 (No.YA092B) Printed in Japan...