Table of Contents
Advertisement
Adjustment Instructions
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.
1.4 Power supply voltage must be ~(100-240) V±10% 50 Hz.
2
Adjustment Equipments
VG-848 (YPbPr, VGA signal generator)
VG-848 (HDMI signal generator)
CA-210
3
Adjustment Processes
3.1 Power voltage test
According to the wiring diagram '9232ME7001JL', connect power board assembly, data
processing assembly, IR/Key board assembly correctly, supply with power, press button standby
to turn on the TV set.
3.11 Model LC-32MEXX
Test voltage of X301 each pin on power board in turn shown as Table 1:
X301
Pin 1
Min. (V)
0
Typical(V)
0
Max. (V)
0
3.12 Model LE-32/42MEXX and LC-39/46/50MEXX
Test voltage of X301 each pin on power board in turn shown as Table 2:
X301
Pin 1、2
Min. (V)
11.3
Typical(V)
12.0
Max. (V)
12.6
3.13 Model LE-46/55MEXX
Test voltage of X301 each pin on power board in turn shown as Table 3:
Table 1 Voltage of X301 each pin
2、3
4、5
11.3
0
12.0
0
12.6
0
Table 2 Voltage of X301 each pin
3、4
5、6
0
11.3
0
12.0
0
12.6
6
7
4.85
4.85
5.00
5.00
5.35
5.35
7、8
9
0
4.85
0
5.00
0
5.35
8
9
4.85
3.25
5.00
3.30
5.35
3.35
10
11
4.85
4.85
5.00
5.00
5.35
5.35
10
4.85
5.00
5.07
12
13
3.25
4.85
3.30
5.00
3.35
5.07
Advertisement
Table of Contents
