Sharp lc 37dw99u schematic
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LC-37DW99U
SERVICE MANUAL
No. S97Q7LC37DW99
SUPPLEMENT
LCD COLOR TELEVISION
MODEL
In the interests of user-safety (Required by safety regulations in some countries) the set should be restored to its original condition and only parts identical to those specified should be used.
OUTLINE
In this Service Manual, only parts in the LCD module are shown. For the other points, refer to the LC-37DW99U
(S77L3LC37DW99) Service Manual and LC-32/37D62U (S17A9LC32D62U) Service Manual.
LC-37DW99U
Parts marked with " " are important for maintaining the safety of the set. Be sure to replace these parts with specified ones for maintaining the
safety and performance of the set.
This document has been published to be used for
after sales service only.
The contents are subject to change without notice.
LC-37DW99U
LC-37DW99U
OUTLINE AND ADJUSTMENT
Service Manual
[1] Outline
In this Service Manual, only parts in the LCD module are shown. For the other points, refer to the LC-37DW99U (S77L3LC37DW99) Service Manual
and LC-32/37D62U (S17A9LC32D62U) Service Manual.
[2] Adjustment
When replacing the LCD control PCB, follow these steps to adjust VCOM.
1) Enter the adjustment process mode.
2) Select the item [VCOM ADJ] on the page 3/26 using the CH ( )/( ) keys on the remote controller.
3) Press the Enter key to check that the adjustment pattern is displayed.
4) Adjust the flicker in the middle of the screen to minimum using the VOL (+)/(-) keys on the remote controller.
5) Press the Enter key to turn off the pattern.
6) To exit the adjustment process mode after the adjustment is done, unplug the AC cord from the outlet to make a forced shutdown. (When the
power was turned off with the remote controller, once unplug the AC cord and plug it again. In this case, wait 10 seconds or so before plugging.)
CAUTION: Use due care in handling the information described here lest your users should know how to enter the adjustment process mode.
If the settings are tampered in this mode, unrecoverable system damage may result.
Description of display
(1) Current page/ (5) Destination
Total pages
1/26 [INFO] INPUT5 AUTO USA 37_UNDER
MAIN Version 0.90 ( U 2006/11/21 1A)
BOOT Version D62U B 1.01
Monitor Version 0.9
EQ DATA CHECKSUM ROM (8) Parameters
TEMPERATURE 7B
LAMP ERROR 0
NORMAL STANDBY CAUSE
ERROR STANDBY CAUSE 1) 0 2) 0 3) 0
(2) Current page title
(3) Current selected input
(4) Current color system
0
0H 0M 0H 0M 0H 0M
4) 0 5) 0
0H 0M 0H 0M
(6) LCD Panel size/Speaker type
(7) Adjustment
process menu
header
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