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 oscillo
scope
VG-849
CA-21
0
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
to power on the TV set.
Make sure the voltages of socket X101 each pin on the main board are correct.
. Voltage value
and range are listed as
Table 1:
Table 1 Voltage of X
1
01 each pin
X
1
01
Voltage
Function
1
2
,
13
10,11
6,
7
5
4
3
2
1
Pin
1
2V±5%
0
12
V±5%
0
≤
5.2V
5
V±5%
5
V±5%
≤
5.2 V
≤
5.2 V
AMP_PW
R
GND
MAIN
12V
GND
PWR_SW
Main
5V
+5V
STB
BL_PWM
BL_ON
9
Summary of Contents for 1 682 351 01
Page 17: ...Speakers Block Diagram N204 NB08 BH3547F NV01 1 ...
Page 30: ...Power board ...
Page 31: ...Backlight board ...
Page 33: ...APPENDIX B Explodedview LED 22XR11F ...
Page 38: ...June 2011 ...
