Hitachi 50V720 - 50" Rear Projection TV User manual

Brand: Hitachi

Model: 50V720 - 50" Rear Projection TV

Type: User manual

This manual is also suitable for

50C20 - LCD Projection TV

Hitachi 50V720 - 50" Rear Projection TV offers an immersive viewing experience with its large 50-inch screen and crisp picture quality. Enjoy your favorite shows, movies, and games with stunning clarity and detail. The TV features multiple connectivity options, including HDMI and component inputs, allowing you to easily connect your cable box, gaming console, and other devices. Experience rich and dynamic sound with the built-in speakers, or enhance your audio experience by connecting an external sound system.

JULY 2003 HHEA-MANUFACTURING DIVISION

No. 0222

50C20 LC57

R/C: CLU-4362S

NTSC/ATSC

LC57

Chassis

SERVICE MANUAL

CONTENTS

The electrical and mechanical parts list only lists parts that are different from Service Manual PA No. 0211.

Parts Difference Table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

Quick Disassembly guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

NOTE: If a part does not list in this addendum, please refer to Service Manual PA No. 0211. For servicing model

50C20, refer to model 50V720 (50”) in Service Manual PA No. 0211.

CAUTION: These servicing instructions are for use by qualified service personnel only. To reduce the risk of electric shock

do not perform any servicing other than that contained in the operating instructions unless you are qualified to

do so.

SAFETY NOTICE

USE ISOLATION TRANSFORMER WHEN SERVICING

Components having special safety characteristics are identified by a on the schematics and on the parts list in this Service

Data and its supplements and bulletins. Before servicing the chassis, it is important that the service technician read and follow

the “Important Safety Instructions” in this Service Manual.

LCD REAR PROJECTION TELEVISION

SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT

This addendum includes all information necessary for the 50C20, except information that is the

same as the 50V720. All features/adjustments for the 50C20 are the same as the 50V720. Please refer to

Service Manual PA No. 0211 when servicing model 50C20.

Updated 02.26.07

Version 0222.01

LC57

PARTS DIFFERENCE TABLE

Model Name 50V720 50C20

Chassis LC57 LC57

Front cover QD50991 QD50992

Low rear cover QD36558 QD36559

Side AV jack block assembly UE25341 UE25342

-AV jack plastic PH36452 PH36453

-AV jack side terminal plate PH36801 PH36802

Mirror cover QD36144 QD36143

Mirror KS09384 KS21461

Screen frame NT05041 UX26152

Screen assembly KR03238 KR03801

Optical block assembly UX25307 UX26102

Lamp power supply (ballast) HA01631 HA01641

Lamp assembly (for service) UX21517 UX21518

Control block assembly UE25331 UE25332

Control panel plastic PH36821 PH36822

Remote control unit HL02073 (CLU-4352UG) HL02292 (CLU-4362S)

Notes:

Beside the parts difference listed above, please refer to Service Manual PA NO. 0211 for all other parts.

CH 1

LOWER REAR COVER BACK FIX METAL

① Screws T1T 4*18 P#MJ03587(17 Pcs.) ① Screws T2B 4*20 P#MJ03638(2 Pcs.)

T1T 4*18 P#MJ03587(13 Pcs.)

② Screws T2B 4*25 P#MJ03639(2 Pcs.)

③ Lower Rear Cover P#QD36559

CABINET BRACKET

BACK FIX METAL

QUICK DISASSEMBLE GUIDEQUICK DISASSEMBLE GUIDE

TABLE OF CONTENTS

MAIN CHASSIS, SIDE AV JACK BALLAST, OPTICAL BLOCK 1

① Main Chassis P#UE24553 ① Screws T2V 4*16 P#MJ08901(2 Pcs.)

② Screws T2B 4*16 P#MJ03635(2 Pcs.) ② Lamp Power Unit(Ballast) P#HA016411

Pow Unit Holder P#NT03193

③ Side AV Jack Assy P#UE35342

③ Ballast FCC Sheet P#ME04511

④ Screw T2B 4*16 P#MJ03635

⑤ Fan Duct Assy P#UX24691

⑥ Screw M3M 3*10 P#MJ03601

LAMP CONN. COVER

(Put Aluminum Face Down)

QUICK DISASSEMBLE GUIDEQUICK DISASSEMBLE GUIDE

OPTICAL BLOCK 2 OPTICAL BLOCK 3

① Front Cover P#QD50992 ① Optical Block Assy P#UE25322

② Screws T2B 4*16 P#MJ03635(2 Pcs.)

QUICK DISASSEMBLE GUIDEQUICK DISASSEMBLE GUIDE

DRIVE PWB

① Screw T3E 3*12 P#MJ03651(2 Pcs.)

② Lens Barrier P#ME04421

③ Screw T3E 3*12 P#MJ03651

④ Panel Out Ducts P#NJ22371

P#NJ22361

⑤ Drive Shield P#MD09382

⑥ Screw T3E 3*12 P#MJ03651(3 Pcs.)

⑦ DRIVE PWB P#JP08483

QUICK DISASSEMBLE GUIDEQUICK DISASSEMBLE GUIDE

LOW CABINET ASSY, FRAME/MIRROR COVER ASSY SCREEN FRAME ASSY, MIRROR COVER ASSY

① Screws T2B 4*20 P#MJ03638(4 Pcs.) ① Screws T1T 4*18 P#MJ03557(14 Pcs.)

② Screws T2B 4*16 P#MJ03638(7 Pcs.)

MIRROR COVER ASSY

QUICK DISASSEMBLE GUIDEQUICK DISASSEMBLE GUIDE

MIRROR COVER ASSY SCREEN FRAME ASSY 1

① Screws T1T 4*25 P#MJ03589(4 Pcs.) ① Screws T2V 3*12 P#MJ03616(8 Pcs.)

T2B 3*12 P#MJ03458(4 Pcs.)

② Screws T1T 4*18 P#MJ03587(6 Pcs.)

② Tweeters P#GK01401

③ Screws T1T 4*18 P#MJ03587(3 Pcs.)

③ Speakers P#GK01391

④ Mirror P#KS21461

④ Screws T2B 3*12 P#MJ03551(3 Pcs.)

⑤ Mirror Cover P#QD36143

⑤ LED PWB Assy P#JT25003

MIRROR RETAINER

MIRROR

RETAINER

QUICK DISASSEMBLE GUIDEQUICK DISASSEMBLE GUIDE

SCREEN FRAME ASSY 2 SCREEN FRAME ASSY 3

① Screws T1T 4*14 P#MJ03588(16 Pcs.) ① Screen Assy P#KR03801

② Screen Frame P#QD50982

SCREEN FIX

METALS

SCREEN FIX

METALS

QUICK DISASSEMBLE GUIDEQUICK DISASSEMBLE GUIDE

LAMP ASSY, CONTROL BLOCK

① Screws T2B 4*16 P#MJ03635(2 Pcs.)

② Control Block Assy P#UE25332

③ Lamp Cover P#PH33036

④ Lamp Assy P#

UX21518

LOOSE THIS SCREW

LOOSE THESE

SCREWS

QUICK DISASSEMBLE GUIDEQUICK DISASSEMBLE GUIDE

Hitachi 50V720 - 50" Rear Projection TV User manual

Brand: Hitachi

Model: 50V720 - 50" Rear Projection TV

Type: User manual

This manual is also suitable for

50C20 - LCD Projection TV

Download PDF

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Hitachi 50V720 - 50" Rear Projection TV User manual

This manual is also suitable for

Hitachi 50V720 - 50" Rear Projection TV User manual

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