Panasonic TH-50PH10BK / TH-50PH10BS / TH-50PH10EK / TH-50PH10ES (serv.man2) Service Manual ▷ View online
8 Adjustment Procedure
8.1. Driver Set-up
8.1.1. Item / Preparation
1. Set Aging pattern 0 (Vset adjustment pattern) by IIC mode.
2. Set the picture adjustment items as follows.
· Picture menu : Standard
· Color temperature : Normal
· Picture : 25
· Aspect : Full
· Color temperature : Normal
· Picture : 25
· Aspect : Full
8.1.2. Adjustments
Adjust driver section voltages referring the panel data label.
Caution
1. First perform Vsus voltage adjustment.
2. Confirmation of Vscn voltage should be performed after confirmation of Vad voltage adjustment.
When Vad = -105V, Voltage of Vscn is 35V ± 4V.
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TH-50PH10BK / TH-50PH10BS / TH-50PH10EK / TH-50PH10ES
8.2. Initialization Pulse Adjust
1. Input the white signal to plasma video input.
2. Set the picture adjustment items as follows.
· Picture menu : Standard
· Color temperature : Normal
· Picture : 25
· Aspect : Full
· Color temperature : Normal
· Picture : 25
· Aspect : Full
3. Connect Oscilloscope to TPSC1 (T2) and sdjust VR6602 for 185 ± 10µ Sec.
Test Point
Volume
Level
T2
TPSC1 (SC)
VR6602 (SC)
185 ± 10µ Sec
8.3. P.C.B. (Print Circuit Board) Remove
8.3.1. Caution
1. To remove P.C.B., wait 1 minute after power was off for discharge from electrolysis capacitors.
8.3.2. Quick adjustment after P.C.B. Remove
P.C.B.
Name
Test Point
Voltage
Volume
Remarks
P Board
Vsus
TPVSUS (SS)
Vsus ± 2V
VR251 (P)
*
SC Board
Vad
TPVAD
-105V ± 1V
VR6600 (SC)
Vbk
TPVBK
155V ± 1V
VR6604 (SC)
SS Board
Ve
TPVE
Ve ± 1V
VR6000 (SS)
*
DS Board
White balance, Pedestal and Sub brightness for NTSC, PAL, HD, PC and 625i signals
DN Board
Set Market Select Number to correct destination by Ms mode (See chap. 9.1.4)
*See the Panel label.
Caution
Absolutely do not reduce Vsus below Ve not to damage the P.C.B.
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TH-50PH10BK / TH-50PH10BS / TH-50PH10EK / TH-50PH10ES
8.4. Adjustment Volume Location
8.5. Test Point Location
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TH-50PH10BK / TH-50PH10BS / TH-50PH10EK / TH-50PH10ES
9 Service mode
9.1. CAT (Computer Aided Test) mode
To exit the CAT mode, access the ID mode and switch off the main power.
9.1.1. IIC mode
Select the IIC mode by Up/Down button on the remote control at the front page of CAT mode and then press the Action button
on the remote control.
on the remote control.
Subject and item are mentioned on “IIC mode structure”.
To exit the IIC mode, press the R button on the remote control.
9.1.2. CD mode
Select the CD mode by Up/Down button on the remote control at the front page of CAT mode and then press the Mute button
on the remote control more than 5 seconds.
on the remote control more than 5 seconds.
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TH-50PH10BK / TH-50PH10BS / TH-50PH10EK / TH-50PH10ES
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