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JVC HD-52Z575 manual

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  • Page 1

    SERVICE MANUAL COPYRIGHT © 2004 Victor Company of Japan, Limited. No.YA092B 2004/8 REAR PROJECTION TELEVISION 52096 2003 02 HD-52Z575, HD-52Z585, HD-61Z575, HD-61Z585 T A B L E O F C O N T E N T S 1 PRECAUTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [...]

  • Page 2

    1-2 (No.YA092B) SPECIFICATION Design & specification s are subject to cha nge without notice. Items Contents HD-52Z575 HD-52Z585 HD-61Z575 HD-61Z585 Dimensions (W x H x D) 126.4cm x 91.4cm x 41.2cm (49-7/8" x 36 x 16 -1/4") 145.6cm x 104.2cm x 47cm (57-3/8" x 41 x 18-1/2") Mass 37.8kg (84lbs) 44.3kg (98lbs) TV RF System CCIR[...]

  • Page 3

    (No.YA092B)1-3 SECTION 1 PRECAUTIONS 1.1 SAFETY PRECAUTIONS (1) The design of this product contains spe cial hardware , many circuits and components specia lly for safety purp oses. For contin ued protection, no ch anges should be m ade to the orig inal design unless authorized in writing by th e manufacturer. R eplacement parts mu st be identical [...]

  • Page 4

    1-4 (No.YA092B) 1.2 INSTALLATION 1.2.1 HEAT DISSIPATION If the heat dissipation vent be hind this unit is blocked , cooling efficiency may deteriorate and temperature inside the unit will rise. The temperatur e sensor that protects the unit will be activated when internal temperature exceed s the predetermined level and power will be turn ed off au[...]

  • Page 5

    (No.YA092B)1-5 1.3 LAMP UNIT HANDLING CAUTION 1.3.1 PRECAUTION FOR LAMP UNIT The lamp em its high i ntensity white, ultra violet a nd infrared light. Do not lo ok directly at the li ght during service. Also, do not touch the lamp directly as it pres ents a burn hazard. Handle with extra care. This lamp emit s high heat and contains high-pressu re d[...]

  • Page 6

    1-6 (No.YA092B) 1.4 SERVICE PARTS KIT INSTRUCTIONS Due to the cha racter of this product, these OPTICAL / DRIVE ASS’Y are prepared. Please note these OPTICAL /DRIVE A SS’Y when replacing or ordering the parts . 1.4.1 PART NUMBER AND CONSTRUCTION 1.4.2 OPTICAL / DRIVE ASS’Y CONSTRUCTION (1) OPTICAL BLOCK (Included HD-ILA DEVICE, PROJECTION LEN[...]

  • Page 7

    (No.YA092B)1-7 SECTION 2 SPECIFIC SERVICE INSTRUCTIONS 2.1 TECHNICAL INFORMATION 2.1.1 DIFFERENCE LIST 2.1.2 PROJECTION UNIT 2.1.3 IMAGE LIGHT F LOW 2.1.4 D-ILA DEVICE SPECIFICATION 2.1.5 D-ILA DEVICE STRUCTURE Items HD-52Z575 / HD-61Z575 HD-52Z585 / HD-61Z 585 SMART SOUND Non Built-in SMART CAPTION Non Built-in FRONT CABINET Silver Black Item Co n[...]

  • Page 8

    1-8 (No.YA092B) 2.1.6 MAIN CPU PIN FUNCTION (IC7601 : M306V7FGF-088FP) [DIGITAL SIGNAL PWB ASS’Y] Pin Port Pin name I/O Function 1 VHOLD1 VHOLD1 I Data slice for main screen closed caption 2 HFLT1 HFLT1 I/O LPF for main screen close d caption video input 3 P9.4 O Not used 4 P9.3 O Not used 5 P9.2 DIGRO O R [0] for OSD 6 P9.1 TB1IN I AC power for [...]

  • Page 9

    (No.YA092B)1-9 2.1.7 SUB (CHASSIS) CPU PIN F UNCTION (IC7001 : MN102H60KPA) [DIGITAL SIGNAL PWB ASS’Y] Pin Port Pin name I/O Function 1 P60 LB PRO O Not use 2 P61 P MU O Picture muting [Muting = H] 3 P62/FUNC LED JP_CSB O Not use (NC) 4 P63 A MU O Audio muting [Muting = H] 5 P50 M MU O Audio muting (for AUDIO OUT) [Muting = H] 6 P51/PC SW PC SEL [...]

  • Page 10

    1-10 (No.YA092B) 2.1.8 SYS T EM RESET When the DIGITAL SIGNAL P W B is r e plac e d or the DIGI T A L INPUT is not nor m al, reset the S Y STEM SETTING using the following proc e dure. (1) S et to 0 minutes u s i ng the [S L E EP T I MER] key. (2) Press the [VIDEO STATUS ] key and [DISPLAY] key simu l t a neo u sly to e n t e r the SERVICE MODE. (3[...]

  • Page 11

    (No.YA092B)1-11 SECTION 3 DISASSEMBLY 3.1 DISASSEMBLY PROCEDURE • Make sure that the power cord plug is pull out fro m the AC wall outlet. • Wait until the LAMP UNIT has cool down is completely. • Whil e not in repair service, place the chassis back its origin al position. <FRONT SIDE> 3.1.1 SPEAKER GRILL (L & R) ( 1 ) Remove 1 scre[...]

  • Page 12

    1-12 (No.YA092B) FRONT CENTER PANEL LAMP COVER LAMP UNIT FRONT LED PWB SPEAKER GRILL(R) CUSHION SPEAKER FRONT PANEL SPEAKER GRILL(L) FILTER COVER SCREEN BRACKET SCREEN BLOCK SCREEN ASSY FRONT CABINET FRONT PANEL FILTER COVER SPEAKER C (x4) C (x4) D (x4) F (x2) (x1) (x1) G (x2) H (x2) G (x2) I (x4) L (52V: x16) (61V: x20) K (52V: x20) (61V: x24) J B[...]

  • Page 13

    (No.YA092B)1-13 <FRONT INNER SIDE> 3.1.11 MIRROR • Take out the SPEAKER GRILL both side. • Take ou t the FRONT PANEL. • T ake out the SCREEN BLOCK. (1) Remove 12 screws [ A ] attaching the MIRROR HOLDER of the upper, left and right side. (2) Raise slightly to disenga ge of the MIRROR from the bottom holder. (3) Take out the MIRROR. NOTE[...]

  • Page 14

    1-14 (No.YA092B) <BODY SIDE> 3.1.15 BODY COVER (1) Remove 9 screws [ A ] (BODY). (2) Remove 6 screws [ B ] (AV TERMINAL BOARD). (3) Take out the BODY COVER. NOTE : • Do not leave the BODY COVER remove d for long time to prevent soiling from dust. 3.1.16 BODY BRACKET • Take out the BODY COVER. (1) Remove 4 screws [ C ] . (2) Take out the B[...]

  • Page 15

    (No.YA092B)1-15 <INNER PWB SIDE> 3.1.18 AV TERMINAL BOARD • Take ou t the BODY COVER. (1) Remove 5 screws [ A ] . (2) Remove 1 screw [ B ] . (3) Pull out t he POWER CORD CLAMP. (4) Remove the nut [ C ] attaching the ANTENNA TERMINAL. (5) Take out the AV TERMINAL BOARD. 3.1.19 SUB DRIVE PWB • Take ou t the BODY COVER. • Take ou t the BOD[...]

  • Page 16

    1-16 (No.YA092B) FRONT POWER CORD POWER PWB POWER PWB BRACKET UNIT BASE DIGITAL SIGNAL PWB REGULATOR PWB ANALOG PWB BRACKET ANALOG SIGNAL PWB RECEIVER PWB SUB DRIVE PWB PWB HOLDER REAR JACK PWB ANTENNA TERMINAL AV TERMINAL BOARD EARTH WIRE POWER CORD CLAMP EARTH WIRE SHIELD COVER FRONT BODY A B C D J E K (x2) (x4) (x2) (x1) (x5) (x1) (x1) (x4) (x6)[...]

  • Page 17

    (No.YA092B)1-17 <OPTICAL SIDE> 3.1.26 LAMP FAN DUCT & THERMOSTAT • Take ou t the BODY COVER. • Take ou t the BODY BRACKET. • Take ou t the MAIN UNIT. (1) Remove 4 screws [ A ] . (2) Take out the LAMP FAN DUCT. (3) Remove 2 screws [ B ] . (4) Take out the THERMOSTAT. 3.1.27 FAN CONTROL PWB • Take ou t the BODY COVER. • Take ou t [...]

  • Page 18

    1-18 (No.YA092B) <OPTICAL SIDE VIEW> FRONT FRONT FRONT OPTICAL / DRIVE ASS'Y THERMOSTAT LAMP FAN DUCT LAMP FAN BRACKET ASSY LAMP UNIT BODY LAMP BALLAST UNIT BALLAST COVER BALLAST BRACKET TOP BALLAST BRACKET BOTTOM UNIT BASE SIROCCO TOP CASE LAMP COVER SW PWB TEMP SENSOR PWB REMOTE SENSOR PWB FRONT SHADE BRACKET OPTICAL BLOCK C O OLING FA[...]

  • Page 19

    (No.YA092B)1-19 3.1.36 SHIELD PLATE ATTACHMENT PROCESS • Take ou t the TOP DUCT / TOP DUCT PLATE. • Take ou t the MAIN DRIVE PW B with SHIELD TOP CASE. < Assembly > (1) Copper film case with laminate surfa ce to be top. (2) Fold 9 points as shown in [ A ] an arrow vi ew Fig.1. (3) Attach the double-faced tapes [ B ] as sho wn in Fig.1. (4[...]

  • Page 20

    1-20 (No.YA092B) 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 the wall outlet. 2. Replace [...]

  • Page 21

    (No.YA092B)1-21 3.2.4 SETTING OF FA CTORY SHIPMENT 3.2.4.1 BUTTON OPERATION 3.2.4.2 REMOTE CONTRO L DIRECT OPER ATION 3.2.4.3 REMOTE CONT ROL MENU OPERATION (1) PICTURE ADJ UST[ 1 ] (5) INITIAL SETUP Setting item Setting position POWER OFF INPUT TV CHANNEL CABLE-02 VOLUME 10 Setting item Setting position INPUT TV CHANNEL CABL E-02 VOLUME 10 MUTING [...]

  • Page 22

    1-22 (No.YA092B) 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 reus e a chip part afte r removing it. 3.3.2 SOLDERING IRON (1) Use a high insulation soldering iron wit[...]

  • Page 23

    (No.YA092B)1-23 SECTION 4 ADJUSTMENTS 4.1 ADJUSTMENT PREPARATION (1) You can ma ke the necessary adjus tments for this un it with either the remote co ntrol unit or with the adjustment equi pment and parts as given below. (2) Adjustment wit h the remote control un it is made on the basis of the initial settin g values, however, the new setting valu[...]

  • Page 24

    1-24 (No.YA092B) 4.5 BASIC OPERATION OF THE SERVICE MENU Operate the SERVICE MENU wit h the remote control unit. 4.5.1 HOW TO ENTER THE SERVICE MENU (1) Press the [SLEEP TIMER] key and while indication of "SLEEP TIMER 0 MIN." is being displayed, press [DISPLAY] key and [VIDEO STATUS] key simultaneously, and the SERVICE MENU screen of Fig.[...]

  • Page 25

    (No.YA092B)1-25 4.5.7 DESCRIPTION OF STATUS DISPLAY The status display on the upp er part of the SERVICE MENU screen is common. (1) SIGNAL SYSTEM (2) ASPECT (3) VIDEO STATUS (4) WHITE BALANCE 4.5.8 SETTING OF THE SERVICE MENUS 4.5.8.1 [1.ADJUST]  Do not change settings of items that are not included in the "A DJ USTMENT PROCEDURE". [Fu[...]

  • Page 26

    1-26 (No.YA092B) 4.6 INITIAL SETTING VALUE OF SERVICE MENU (1) Adjustment of the SERVICE MENU is made on the basis of the initial setting values; ho wever, the new setting values which set the screen in its optimum condition may differ from the initial setting. (2) Do not change the initial setti ng values of the setting items NOT LISTED IN ADJUSTM[...]

  • Page 27

    (No.YA092B)1-27 Item No. Item name Variab le range Setting value D012 SV GN 0~ 3F 00 D013 SVH GN 0~3F 00 D014 SH GN 0~3F 00 D015 SV Pf 0~03 00 D016 SV Pf H 0~01 00 D017 SV Pf L 0~03 00 D018 SYL CON 0~3F 00 D019 SYL CONF 0~01 00 D020 SYH CON 0~3F 00 D021 SYH CONF 0~01 00 D022 SC CON 0~3F 00 D023 SC CNONF 0~01 00 D024 SPM BLC 0~3F 00 D025 SPM BLCO 0~[...]

  • Page 28

    1-28 (No.YA092B) Item No. Item name Variab le range Setting value D108 (NO DISPLA Y) 0~FF 00 D109 (NO DISPLA Y) 0~FF 00 D1 10 (NO DISPLA Y) 0~FF 00 D 111 ( N O D I S P L AY ) 0 ~ F F 0 0 D1 12 (NO DISPLA Y) 0~FF 00 D1 13 (NO DISPLA Y) 0~FF 00 D1 14 (NO DISPLA Y) 0~FF 00 D1 15 (NO DISPLA Y) 0~FF 00 D1 16 (NO DISPLA Y) 0~FF 00 D1 17 (NO DISPLA Y) 0~F[...]

  • Page 29

    (No.YA092B)1-29 4.7 ADJUSTMENT PROCEDURE 4.7.1 OPTICAL BLOC K / DRIVE CIRCUIT Item Measuring instrument Test point Adjustment part Description LENS FOCUS adjustment Hexagon wrench FOCUS knob [PROJECTION LENS] (1) T ake out the FRON T P ANEL, SPEAKER GRILL (L / R), CENTER P ANEL and cushions. (2) Display the MENU screen. (3) Loosen the FOCUS LOCK sc[...]

  • Page 30

    1-30 (No.YA092B) Item Measuring instrument Test point Adjustment part Description DRIVE CENTER POSITION adjustment Signal generator Remote control unit (1) Input the center-cross signal pattern. (2) Set the [SLEEP TIMER] to 0 min. (3) Press the [DISPLA Y] key and the [VIDEO ST A TUS] key simultaneously . (4) Press the [9] key to display the RGB box[...]

  • Page 31

    (No.YA092B)1-31 4.7.2 VIDEO CIRCUIT Item Measuring instrument Test point Adjustment part Description 525i A-D OFFSET adjustment Signal generator Remote control unit [1. ADJUST] S001: PREP ARE S008: 5i CB OF (525i Cb offset) S009: 5i CR OF (525i Cr offset) (1) Input a 525i ramp pattern from COMPONENT VIDEO INPUT terminal. (2) Set VIDEO ST A TUS to [[...]

  • Page 32

    1-32 (No.YA092B) Item Measuring instrument Test point Ad justment part Description 1 125i A-D OFFSET adjustment Signal generator Remote control unit [1. ADJUST] S001:PREP ARE S013:HD CB OF (1 125i Cb offset) S014:HD CR OF (1 125i Cr offset) S030:R DRIVE (Red drive) S031:G DRIVE (Green drive) S032:B DRIVE (Blue drive) (1) Input a 1 125i 30% all whit[...]

  • Page 33

    (No.YA092B)1-33 4.7.3 MTS CIRUT Item Measuring instrument Test point Adjustment part D escription WHITE BALANCE (High light) adjustment Signal generator Remote control unit [1. ADJUST] S030:R DRIVE (Red drive) S031:G DRIVE (Green drive) S032:B DRIVE (Blue drive) (1) Receive a NTSC all-white (75% white) pattern signal. (2) Set VIDEO ST A TUS to [ST [...]

  • Page 34

    1-34 (No.YA092B) SECTION 5 TROUBLESHOOTING 5.1 SELF-CHECK FEA TURE 5.1.1 OUTLINE This unit comes with the SELF- CHECK feature, which checks the operational state of the circ uit and displays/saves it during failure. SELF-CHECK is performed when power is turned on, and information input to the main microcomputer is monitored at all time. SELF-CHECK [...]

  • Page 35

    (No.YA092B)1-35 5.1.6 DET AILS Self-check is performed for the following items. Check item Display Descrip tion of detection Diagnosis signal (line) Means of detection Low bias line sh ort protection LOB Low bias li ne (9V / 5V) short protector activate d. Confirm the operation of the low bais protection circuit. [Q2802 /Q2801] (REGULA T OR PWB) Pr[...]

  • Page 36

    1-36 (No.YA092B) 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 L ED (blue) and LAMP LED (orange) c an light up and display a trouble mo de. The factors in case the power is forcib ly shut down at the time of failure are memorize d and those are displaye[...]

  • Page 37

    (No.YA092B) WPC Printed in Japan JVC SERVICE & ENGINEERING COMPANY OF AMERICA DIVISION OF JVC AMERICAS CORP. www.jvcservice.com(US Only) JVC CANADA INC. Head office : 21 Finchdene Square Scarboroug h, Ontario M1X 1A7 (416)293-1311[...]