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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
Confirm the following voltages:
A board
Normal mode
Test point
Position
Voltage
Description
TP3800
Connector A7, pin 20
13,8V
± 0,7V
STBY12V
TP3806
Connector A7, pin 8
23,9V
±0,5V
SIGNAL24V
TP3810
Connector A7, pin 12
23,9V
± 0,5V
AUD24V
TP3811
Q3800, +pin
3,3V
± 0,3V
3.3V_HDMI
TP3802
5,05V
± 0,25V
5V
TP3812
D38002, -pin
8,2
± 0,5V
8V
TP3801
IC3801, pin1
9V
± 0,9V
9V
TP3805
13,8V
± 0,7V
12V
TP3815
D3819, -pin
30V
± 2V
30V
Standby mode
TP3813
C3801, pin
5V
± 0,5V
STBY5V
TP3804
C3808, + pin
3,3V
± 0,2V
STBY3.3V
TP3803
C3818, +pin
1,8
± 0,1V
STBY1.8V
P board
Normal mode
TP833
Connector P2, pin 8
23,9V
± 0,5V SIGNAL24V
TP830
Connector P2, pin 9
24,2V
± 0,5V
AUD24V
TP832
Connector P2, pin 20
13,8V
± 0,7V
STBY12V
TP830
Connector P2, pin 12
23,9V
± 0,5V
AUD24V
Standby mode
TP833
Connector P2, pin 8
24,2V
± 0,5V
SIGNAL24V
TP830
Connector P2, pin 9
<10V
AUD24V
P-BOARD
V-BOARD
K-BOARD
A-BOARD
B-BOARD
KEY CONTROL
H-BOARD
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