Read Panasonic TX-20LA5F / TX-20LA5P (serv.man3) Service Manual online
SETTING INSPECTION
VOLTAGE CONFIRMATION
Confirm the following voltages:
A board
Normal mode
Standby mode
Connector A6, pin 1
5,0V
± 0,2V
<0,3V
C865, + pin
31V
± 3V
<3V
C861, + pin
8V
± 0,4V
<0,55V
C862, + pin
2,5V
± 0,2V
2,5V
± 0,2V
C889, + pin
3,3V
± 0,2V
3,3V
± 0,2V
C882, + pin
1,8V
± 0,1V
<0,2V
P board
Connector P4, pin 19
23V
± 0,25V
23V
± 0,25V
Connector P4, pin 15
12,5V
± 0,25V
12,5V
± 0,25V
Connector P4, pin 2
1,4V
± 0,1V
<0,5V
SELF CHECK
Self-check is used to automatically check the bus lines and hexadecimal code of the TV set. To enter Self-Check mode, keep
pressing the STATUS button on the remote control and press the down (-/v) button on the customer controls at the front
the TV set. To exit Self Check, switch off the TV set at the power button.
pressing the STATUS button on the remote control and press the down (-/v) button on the customer controls at the front
the TV set. To exit Self Check, switch off the TV set at the power button.
If the CCU ports have been checked and found to be incorrect or not located then " - - " will appear in place of "O.K.".
E2
O.K.
DPS
O.K.
VSP
O.K.
AVSW
O.K.
TUN
O.K.
MSP
O.K.
DPL
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MAS
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OPTION 1
0F
0F
OPTION 2
00
00
OPTION 3
A0
A0
OPTION 4
11
11
OPTION 5
00
00
OPTION 6
15
15
OPTION 7
FD
FD
OPTION 8
D0
50
OPTION 9
00
00
OPTION 10
80
80
OPTION 11
1B
1B
OPTION 12
00
00
OPTION 13
0C
0C
CHECK
49
C9
6
TX-20LA5F
TX-20LA5P
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