JVC HD-52Z575, HD-52Z585, HD-61Z575, HD-61Z585 Service Manual

52107200304

SERVICE MANUAL

REAR PROJECTION TELEVISION

HD-52Z575, HD-52Z585, HD-61Z575, HD-61Z585

Supplementary

Therefore, this service manual describes only the items which differ from those of the HD-52Z575, HD-52Z585,

HD-61Z575 and HD-61Z585 service manual.

For details other than those described in this manual, please refer to the HD-52Z575, HD-52Z585, HD-61Z575

and HD-61Z585 service manual (No.YA092B, 2004/9).

 OUTLINE

Shielding method related to radiation measures for the optical block and main drive pwb surroundings has

been changed.

TABLE OF CONTENTS

1 MAIN CHANGED PART . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

2 DISASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

3 PARTS LIST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

BASIC CHASSIS

RP2

No.YA092C

2004/9

 MAIN CHANGED PART

A comparative diagram of the radiation part to be used as a brief overview is shown below.

OPTICAL

BLOCK

SHIELD PLATE

FRONT

TOP DUCT PLATE

(YA092B) (YA092C)

FRONT

New

TOP DUCT PLATE

ADD. PART

DEVICE SHIELD

SHIELD TOP

TOP DUCT

CASE

FRONT

SHIELD PLATE

TOP DUCT

SHIELD TOP

CASE

MAIN DRIVE

PWB

FRONT

MAIN DRIVE

PWB

CHANGED PART

SHIELD COVER

OPTICAL BLOCK

2(No.YA092C)

OPTICAL BLOCK

SECTION 3

DISASSEMBYL

 CHANGED ITEM (Page 1-17~19)

3.1.26 LAMP FAN DUCT & THERMOSTAT

• Take out the BODY COVER.

• Take out the BODY BRACKET.

• Take out the MAIN UNIT. (1) Remove 2 screws [ A ] and 2 screws [ B ] . (2) Take out the LAMP FAN DUCT. (3) Remove 2 screws [ C ]. (4) Take out the THERMOSTAT.

3.1.27 FAN CONTROL PWB

• Take out the BODY COVER.

• Take out the BODY BRACKET.

• Take out the MAIN UNIT. (1) Disconnect the connector [CN801:7pin (MAIN DRIVE

PWB)], [CN802:3pin (OPTICAL BLOCK COOLING FAN)], [CN803:3pin (LAMP COOLING FAN)] and [CN804:4pin

(LAMP BALLAST UNIT)]. (2) Remove 1 screw [ D ]. (3) Take out the FAN CONTROL PWB.

3.1.28 REMOTE SENSOR PWB

• Take out the BODY COVER.

• Take out the BODY BRACKET.

• Take out the MAIN UNIT. (1) Remove 1 screw [ E ]. (2) Take out the REMOTE SENSOR PWB.

3.1.29 OPTICAL / DRIVE ASS’Y

• Take out the BODY COVER.

• Take out the BODY BRACKET.

• Take out the MAIN UNIT. (1) Remove 2 screws [ F ]. (2) Take out the SHADE COVER. (3) Remove 1 clip [ G ]. (4) Remove 2 screws [ H ]. (5) Remove the FRONT SHADE BRACKET to arrow direction

marked [ I ]. (6) Take out the FRONT SHADE BRACKET. (7) Remove 1 screw [ J ] and 4 screws [ K ] and 2 screws [ L ]. (8) Slightly raise and take out the OPTICAL / DRIVE ASS’Y.

NOTE :

• The OPTICAL / DRIVE ASS’Y contains precision optical components. Handle carefully and avoid imparting strong shock.

• OPTICAL / DRIVE ASS’Y construction

1) Optical block : (D-ILA device, PBS, Field lens, Integrater, Mirror etc.)

2) Projection lens

3) Optical base

4) MAIN DRIVE PWB ASS’Y

5) Top duct

6) Shield tape

• When not performing repair work, attach the cap on the lens to preventing dust from covering.

• When mounting to the set, make sure the front of the lens side is in contact with the cushion on the body side.

• When installing this kit (OPTICAL/DRIVE ASS'Y) to the set, first mount the FRONT SHADE BRACKET and SHADE COVER (with cushion) to the kit (lens section).

• Do not leave the OPTICAL / DRIVE ASS’Y removed for long time to prevent soiling from dust.

3.1.30 MAIN DRIVE PWB

• Take out the BODY COVER.

• Take out the BODY BRACKET.

• Take out the MAIN UNIT. (1) Peel off the shield (copper film) tape 1 position [ M ]. (2) Take out the TOP DUCT PLATE. (3) Remove 2 screws [ N ]. (4) Take out the TOP DUCT. (5) Take out the DEVICE SHIELD. (6) Take out the SHIELD TOP CASE. (7) Remove 5 screws [ O ]. (8) Take out the MAIN DRIVE PWB.

3.1.31 OPTICAL BLOCK COOLING FAN

• Take out the BODY COVER.

• Take out the BODY BRACKET.

• Take out the MAIN UNIT. (1) Remove 3 screws [ P ]. (2) Take out the SIROCCO TOP CASE. (3) Remove 3 screws [ Q ]. (4) Take out the OPTICAL BLOCK COOLING FAN.

3.1.32 LAMP COOLING FAN

• Take out the BODY COVER.

• Take out the BODY BRACKET.

• Take out the MAIN UNIT. (1) Remove 2 screws [ R ]. (2) Take out the LAMP FAN BRACKET ASSY. (3) Remove 4 screws [ S ]. (4) Take out the LAMP COOLING FAN.

3.1.33 LAMP BALLAST UNIT COOLING FAN

• Take out the BODY COVER.

• Take out the BODY BRACKET.

• Take out the MAIN UNIT. (1) Remove 3 screws [ T ]. (2) Remove 4 screws [ U ]. (3) Take out the COOLING FAN (LAMP BALLAST UNIT).

3.1.34 LAMP BALLAST UNIT

• Take out the BODY COVER.

• Take out the BODY BRACKET.

• Take out the MAIN UNIT.

• Take out the LAMP BALLAST UNIT COOLING FAN. (1) Take out the wire of LAMP BALLAST UNIT. (2) Remove 4 screws [ V ]. (3) Take out the BALLAST BRACKET BOTTOM. (4) Remove 4 screws [ W ]. (5) Take out the BALLAST COVER. (6) Take out the LAMP BALLAST UNIT.

3.1.35 LAMP COVER SW PWB

• Take out the BODY COVER.

• Take out the BODY BRACKET.

• Take out the MAIN UNIT. (1) Remove 1 screw [ X ]. (2) Take out the LAMP COVER SW PWB.

3.1.36SHIELD PLATE ATTACHMENT PROCESS

1-19 page is deleted.

(No.YA092C)3

+ 5 hidden pages