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Adjustment Instruction
1
Safety Instructions
1.1 Power supply must be cut off when replacing or welding any component or inserting / pulling out
connective lines;
1.2 Anti-electrostatic measures must be carried out during the whole producing processes!
a)
Do not touch IC by hands at will;
b)
Use anti-electrostatic iron;
c)
Welder must wear anti-electrostatic glove;
1.3 Replacing any component with special safety requirement must refer to component list without
changing its specification and model at will.
2
Adjustment Equipments
Multimeter or oscilloscope
VG-849
CA-210
USB
DVD (support HDMI 1.4 ) or equipments with the same functions
3
Adjustment Processes
3.1 Power voltage checking
According to the wiring diagram specified by "Product Specification", connect power board
assembly, data processing assembly, IR/Key board assembly, backlight board assembly correctly,
supply with power, press button
Make sure the voltages of socket X601 each pin on the main board are correct.. Voltage value
and range are listed as Table 1:
X601
Pin1,2
Voltage
12V±5%
Function AMP+PWR GND MAIN
to power on the TV set.
Table 1
3,4
5
6
12V ±
0
5%
NC
12V
Voltage of X601 each pin
7,8
9
≤5.2V
0
GND
PWR_SW MAIN
10
11
12
5V ±
5V±5%
≤5.2V
5%
STANDBY
BL_PWM BL_ON
5V
5V
13
≤5.2V
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