Daewoo DSC-30W60N Service Manual page 5

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4958000300
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4958200100
1 4958100500
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PEBKMSD002
PEUNSWD002
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PEADMSD002
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Special Adjustment (When replacing new circuit boards)
1. DTV Decorder module
1) Before replacing a new module, if seeing OSD menu is possible, record the adjusted data of White Balalce and
Geometry.
2) After replacing the defective module with a new one, memorize the value of data value to the new DTV decoder module
with the service remote control.
3) Perform the Y Level Adjustment.
2. Power assembly
1) After replacing a new assembly, perform Blanking Width Adjustment.
2) X - Radiation Protection Circuit Test
When service has been performed on the horizontal deflection system, high voltage system or B+ system, the Z-Radiation
Protection Circuit Test must be tested for proper operation as followings :
2-1) Operate the HDTV set for at least 15 minutes.
2-2) Perform this test at the normal video and sound.
2-3) Check the cathode voltage of D837. Its voltage should be about 26VDC.
2-4) Connect a resister 24K(1/4W) with parallel to R925.
2-5) Then the set will be shut down, lighting up red to the power indicator.
2-6) If it is not, the circuit of Z-Radiation Protection must be repaired before the set is returned to the customer.
3) The rest adjustment idems art no need to adjust.
3. Main assembly
1) After replacing a new assembly, perform Blanking Width adjustment.
2) The rest adjustments are no need.
BOX CARTON
BAG P.E
PAD BOX CARTON
PCB BLANKING AS
PCB CRT AS
PCB TERMINAL ANT AS
PCB ATSC DECORDER AS
PCB VIDEO AS
PCB POWER AS
PCB MAIN AS