Panasonic TH-50PV7F / TH-50PV7P / TH-50PX7B / TH-50PX7E Service Manual ▷ View online
10 Service Mode
10.1. How to enter into Service Mode
While pressing [VOLUME ( - )] button of the main unit, press [0] button of the remote control three times within 2 seconds.
10.1.1. Key command
“1” button...Main items Selection in forward direction
“2” button...Main items Selection in reverse direction
“3” button...Sub items Selection in forward direction
“4” button...Sub items Selection in reverse direction
“RED” button...All Sub items Selection in reverse direction
“GREEN” button...All Sub items Selection in forward direction
“VOL” button...Value of sub items change in forward direction ( + ), in reverse direction ( - )
“2” button...Main items Selection in reverse direction
“3” button...Sub items Selection in forward direction
“4” button...Sub items Selection in reverse direction
“RED” button...All Sub items Selection in reverse direction
“GREEN” button...All Sub items Selection in forward direction
“VOL” button...Value of sub items change in forward direction ( + ), in reverse direction ( - )
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TH-50PV7F / TH-50PV7P / TH-50PX7B / TH-50PX7E
10.1.2. Contents of adjustment mode
· Value is shown as a hexadecimal number.
· Preset value differs depending on models.
· After entering the adjustment mode, take note of the value in each item before starting adjustment.
· Preset value differs depending on models.
· 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-50PV7F / TH-50PV7P / TH-50PX7B / TH-50PX7E
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-50PV7F / TH-50PV7P / TH-50PX7B / TH-50PX7E
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
VR251 (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
Vbk
TPVBK (SC) 155V ± 1V
VR6604
(SC)
(SC)
*See the Panel label.
11 Adjustment Procedure
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TH-50PV7F / TH-50PV7P / TH-50PX7B / TH-50PX7E
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