Panasonic TX-26LX60P, Service Manual

Page: 7 / 56

Chassis Board Layout
Setting Inspection
Voltage Confirmation
Board Name Function
A-Board Main Board
B-Board Tuner
H-Board AV3 Terminal
Key Control Key Control
K-Board Mains Input, Power Switch
P-Board Power Supply
V-Board Remote Receiver, LED IR, Bats
7
P-BOARD
V-BOARD
K-BOARD
A-BOARD
B-BOARD
KEY CONTROL
H-BOARD
Confirm the following voltages:
A board Normal mode
Test point Position Voltage
TP004 C870, + pin
33V
±
3V
TP005 Connector A7, pin 22 12V [15V]
TP006 C1500, + pin
8V
±
0,3V
TP008 C1700, + pin
5V
±
0,2V
TP010 C890 - R898
3,3V
±
0,1V
TP012 Q878, pin 1
3,3V
±
0,1V
TP017 C872, + pin
10,5V
÷
16V
TP018 IC252, pin 5 24V
TP019 IC862, pin 1 24V
TP023 Connector A7, pin 12 24V
Standby mode
TP009 C883, + pin
1,8V
±
0,1V
TP013 C868, + pin
3,3V
±
0,1V
P board
Normal mode
TP001 Connector P2, pin 20
12V
±
2V [15V
±
2V]
TP002 Connector P2, pin 8
24V
±
2V
TP003 Connector P2, pin 9
24V
±
1V
Standby mode
TP002 Connector P2, pin 8 24V
TP003 Connector P2, pin 9 <
2V