Caution:
Be sure to read this manual before servicing. To ensure safety from fire, electric shock, injury, harmful
radiation and materials, various measures are provided in this LCD TV. Be sure to read cautionary items described
in the manual before servicing. 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 described in the operating instructions
unless you are qualified to do so.
Service Warning
1. Replacement work should be started after the Panel Module and the AC/DC Power supply have become
sufficiently cool.
2. Special care should be taken when working near the display area in order not to damage its surface.
3. The Panel Module should not be touched with bare hands in order to protect its surface from blemishes and
damage.
4. It is recommended that you use clean soft gloves during the replacement work in order to protect not only the
display area of the Panel Module but also yourself.
Initial Edition
2010-2 v1
L42S504
HITACHI TV
HITACHI
Schematic Diagram……...………………………...………16
Connection Diagram……..……….………….……..……..31
Main Parts View.……..……….………………....…….......32
PCB Layout…………..………………………....……….....33
Exploded View…………..………………..…….................39
Parts List………...…..……..............................................41
Features…….……….…........................................……......3
Dimensions………..……..……………………………………4
General Specification...................................…………........5
Firmware Upgrade.………….………….……..………..........6
Adjustment…….…………..………..….………..….….….....7
Troubleshooting…………...…………………….…….........10
Block Diagram.........………………...………….………......14
Table of Contents
- NOTICE-
All warranty parts are provided through
Hitachi Customer Service.
All Servicers should call:
800-654-7013
Updated: 073010 OR
Summary of Contents for ULTRAVISION L42S504
Page 4: ...L42S504 4 Dimensions ...
Page 15: ...L42S504 15 Power Board ...
Page 33: ...L42S504 33 PCB Layout Main Board 756TQACBZK01502 ...
Page 34: ...L42S504 34 ...
Page 35: ...L42S504 35 Power Board 715G3196 1B ...
Page 36: ...L42S504 36 ...
Page 37: ...L42S504 37 ...
Page 38: ...L42S504 38 Key Board 715G3293 1 IR Board 715G3482 1 ...
Page 66: ...L42S504 66 U01 056T62740 IR KSM 2003TH2M 37 9KHZ ...
Page 67: ...L42S504 67 Accessories M4x12 0M1G9401247CR3 M4x12 0M1G9401247CR3 Part No L42S504StandAssy ...
