Panasonic gpf12du tc-65ps14 Service Manual
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9.1.2.
Initialization Pulse Adjust
1. Input the White signal to plasma video input.
2. Set the picture controls as follows.
2. Set the picture controls as follows.
Picture menu : Vivid
Normal : Set
Aspect : Full
Normal : Set
Aspect : Full
3. Connect Oscilloscope to TPSC1 (SC).
Check the voltage (T2) at 100
μs period on the down slop.
9.1.3.
P.C.B. (Printed Circuit Board) exchange
9.1.3.1.
Caution
1. To remove P.C.B., wait 1 minute after power was off for discharge from electrolysis capacitors.
9.1.3.2.
Quick adjustment after P.C.B. exchange
Adjust the following voltages with the multimeter.
*See the Panel label.
Caution:
Caution:
Absolutely do not reduce Vsus below Ve not to damage the P.C.B.
Test point
Volume
Level
T2
TPSC1 (SC)
VR16601 (SC)
250 V ± 10 V
P.C.B.
Name
Test Point
Voltage
Volume
Remarks
P Board
Vsus
TPVSUS (SS)
Vsus ± 2V
VR251 (P)
*
SC Board
Vad
TPVAD (SC)
- 155V ± 2V
VR16600 (SC)
A Board
White balance and Sub brightness for NTSC, PAL, HD, PC and 625i signals