Read Sony KE-42M1 / KE-MV42A1 / KE-MV42M1 / KE-P42M1 Service Manual online
- 38 -
6. Operation Checks After Repair Service
6-1. Check
Items
xxxxx
Check Item
Specification
Remarks
TCP
Drive board
Y Buffer
Logic and Logic Buffer
Securely connected or tightened
Harness
Securely connected
Module
assemble check
Foreign materials
No foreign materials
6-2. Check
Procedure
1) Check visually the following: (1) the module is correctly assembled, (2) the
connections have no problem, and (3) the grounding and easily short-circuited parts
are not damaged.
2) Check that the dip switch is inside the module.
3) Turn on the power of the PDP module, and check that the LED lights up and the unit
correctly functions.
4) Check the power voltages, and also check the display condition by tapping slightly the
Y-FPC several times.
5) Check that Full White pattern is normal.
6) If the pattern is abnormal, adjust each voltage using the multi-meter and adjustment
tools.
7) Adjust the waveforms using the oscilloscope.
8) Display each pattern image to check the discharge on the screen.
9) Vary video level of input signal and make sure image is displayed correctly without
any problems.
Click on the first or last page to see other KE-42M1 / KE-MV42A1 / KE-MV42M1 / KE-P42M1 service manuals if exist.