Sharp LC-13S1E Service Manual
Text of the manual
LCD COLOUR TELEVISION
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.
CONTENTS
» IMPORTANT SERVICE SAFETY PRECAUTION ...........................................
ADJUSTING PROCEDURE OF EACH SECTION
The best adjustment is made before shipping. If any position deviation is found or after part replace is performed,
adjust as follows.
Preparation for adjustments
Use the dedicated AC adaptor or stable DC power supply.
LC-13/15S1E AC adaptor: UADP-A043WJPZ
DC power supply: 12V 5.0A
1. Adjusting procedu
When the microprocessor (IC2001) or the EEPROM (IC2007, IC2009) has been replaced or when the EEPROM
has been initialized, readjust the each adjustments.
4-1. Connect the pins (81) and (82) of IC2001 (microprocessor) to GND, and turn on the power.
4-2. Check that the model name is (A661).
4-3. Select the inch size (13)
5-1. +B adjustment...Page 1 +B-ADJ
Adjust the voltage of the pin (4) of P1900 to 5.00 ±0.02V with R3714.
Note: Since 5.0V is a reference voltage of all power voltage, adjust it precisely.
5-2. Counter-bias adjustment
Vary the "COM BIAS" setting on Page 2 of the adjustment process mode so that the contrast be sharpest
(blac
6. Factory Setting
6-1. Perform a factory setting after completing all adjustments.
6-2. A "POWER" keys is made on with pushing an "TV/VIDEO" and "MENU" keys at the same time.
6-3. "K" of the inspection process mode is displayed on the screen upper left.
6-4. CH (ù) and VOL (+) keys are pushed about 2 seconds at the same time.
6-5. Rele
