Panasonic TH-37PV7F / TH-37PV7P / TH-37PX7B / TH-37PX7E / TH-42PV7F / TH-42PV7P / TH-42PX7B / TH-42PX7E Service Manual ▷ View online
10.1.2. Contents of adjustment mode
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· Value is shown as a hexadecimal number.
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·
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· Preset value differs depending on models.
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· After entering the adjustment mode, take note of the value in each item before starting adjustment.
10.1.3. How to exit
Switch off the power with the [POWER] button on the main unit or the [POWER] button on the remote control.
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TH-37PV7F / TH-37PV7P / TH-37PX7B / TH-37PX7E / TH-42PV7F / TH-42PV7P / TH-42PX7B / TH-42PX7E
10.2. Service tool mode
10.2.1. How to access
1. Select “SRV-TOOL” in Service Mode.
2. Press [OK] button on the remote control.
2. Press [OK] button on the remote control.
10.2.2. Display of SOS History
SOS History (Number of LED blinking) indication.
From left side; Last SOS, before Last, three occurrence before, 2nd occurrence after shipment, 1st occurrence after shipment.
This indication will be cleared by “Self-check indication and forced to factory shipment setting”.
From left side; Last SOS, before Last, three occurrence before, 2nd occurrence after shipment, 1st occurrence after shipment.
This indication will be cleared by “Self-check indication and forced to factory shipment setting”.
10.2.3. POWER ON TIME/COUNT
Time : Cumulative power on time, indicated hour : minute by decimal
Count : Number of On times by decimal
Note : This indication will not cleared by self-check or any command.
Count : Number of On times by decimal
Note : This indication will not cleared by self-check or any command.
10.2.4. Exit
1. Disconnect the AC code from wall outlet.
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TH-37PV7F / TH-37PV7P / TH-37PX7B / TH-37PX7E / TH-42PV7F / TH-42PV7P / TH-42PX7B / TH-42PX7E
11.1. Driver Set-up
11.1.1. Item / Preparation
1. Input a white signal to plasma video input.
2. Set the picture controls as follows.
2. Set the picture controls as follows.
Picture menu: Dynamic
PNR: OFF
Aspect: 16:9
PNR: OFF
Aspect: 16:9
Caution
1. First perform Vsus adjustment.
2. Confirmation of Vscn voltage should be performed after
2. Confirmation of Vscn voltage should be performed after
confirmation of Vad adjustment.
When Vad=-105V, Voltage of Vscn is 40V ±4V.
When Vad=-105V, Voltage of Vscn is 40V ±4V.
11.1.2. Adjustments
Adjust driver section voltages referring the panel data on the
panel data label.
Check or adjust the following voltages with the multimeter.
panel data label.
Check or adjust the following voltages with the multimeter.
Name
Test Point
Voltage
Volume
Remarks
Vsus
TPVSUS
(SS)
(SS)
Vsus ± 2V
R628 (P)
*
Ve
TPVE (SS)
Ve ± 1V
VR6000 (SS)
*
Vset
TPVSET
(SC)
(SC)
330V ± 7V
Fixed
Vad
TPVAD (SC) -105V ± 1V
VR6600
(SC)
(SC)
Vscn
TPVSCN
(SC)
(SC)
Vad+145V ±
4V
4V
Fixed
Vda
TPVDA (SS) 75V + 1V, -2V Fixed
PFC
C446(+)(-)
396V±0.5V
R443 (P)
*See the Panel label.
11 Adjustment Procedure
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TH-37PV7F / TH-37PV7P / TH-37PX7B / TH-37PX7E / TH-42PV7F / TH-42PV7P / TH-42PX7B / TH-42PX7E
11.2. 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 : Dynamic
PNR : OFF
Aspect : 16:9
PNR : OFF
Aspect : 16:9
3. Connect Oscilloscope to TPSC1 (SC).
Check and adjust that the stand down pulse(T2) period are each within specification.
Test point
Volume
Level
T2
TPSC1 (SC)
VR6602 (SC)
190 ± 10µ Sec
11.3. P.C.B. (Printed Circuit Board) exchange
11.3.1. Caution
1. To remove P.C.B. , wait 1 minute after power was off for discharge from electrolysis capacitors.
11.3.2. Quick adjustment after P.C.B. exchange
Adjust the following voltages with the multimeter.
P.C.B.
Name
Test Point
Voltage
Volume
Remarks
P Board
Vsus
TPVSUS (SS)
Vsus ± 2V
R628 (P)
*
PFC
C446
396V ± 0.5V
R443 (P)
SC Board
Vad
TPVAD (SC)
-105V ± 1V
VR6600 (SC)
SS Board
Ve
TPVE (SS)
Ve ± 1V
VR6000 (SS)
*
D, DG Board
White balance and Sub brightness for NTSC, PAL, HD, PC and 625i signals
*See the Panel label.
Caution:
Caution:
Absolutely do not reduce Vsus below Ve not to damage the P.C.B.
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