Operation Check After Repair Service - Sylvania 6842THG Service Manual

OPERATION CHECK AFTER REPAIR SERVICE

Check Item
TCP Assembling condition
Module assemble
check
Check Procedure
1. Visual check as following
a) Assembling condition of module.
b) No problem on the connection of module.
c) The grounding and easily short-circuited parts are not damaged.
2. Turn on the power to PDP module, and then check that LED lights up and the SET is working well.
3. Check the power voltage after turn on the power, and then check the Display condition by tapping slightly the
Y-FPC 2 or 3 times.
4. Check whether something wrong during Full White Pattern period.
5. If something wrong, each voltage should be set to the standard voltage by using Multi-Tester and adjusting
tools.
6. Adjust the waveform, using Oscilloscope for the waveform adjusting point.
7. Check the discharge of front panel by changing the image for each pattern.
8. Check the Low-discharge, Over-discharge and panel condition by adjusting the Pattern Generator Level.
9. Discharge still remain send back to SDI.
Check Item
Drive board
Y BUFFER
Logic & Logic Buffer
Harness
Material Mixing
Specification
Securely connected or
tightened
Securely connected
No material mixing
2-5-1
Remarks
PZ3PDMCS