Hitachi 50C20 - LCD Projection TV User manual

Hitachi
Brand
Hitachi
Model
50C20 - LCD Projection TV
Type
User manual

This manual is also suitable for

JULY 2003 HHEA-MANUFACTURING DIVISION
PA
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
2
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
3
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
4
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.)
5
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
6
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.)
7
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
8
MIRROR RETAINER
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
9
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
10
LOOSE THIS SCREW
LOOSE THESE
QUICK DISASSEMBLE GUIDEQUICK DISASSEMBLE GUIDE
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Hitachi 50C20 - LCD Projection TV User manual

Hitachi
Brand
Hitachi
Model
50C20 - LCD Projection TV
Type
User manual
This manual is also suitable for
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