Adjustment Instructions; Alignment Instructions - Insignia 9246MF7010 Manual Del Usuario

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 120 V±10%, or 220 V would burn out power board.
2 Adjustment Equipments
VG-848 (YPbPr, VGA signal generator)
DVD (HDMI signal generator)
CA-210
3 Adjustment Processes
3.1 Power voltage test
According to the wiring diagram '92XXMF7001JL' or '92XXMF7501JL', connect power board
assembly, data processing assembly, IR/Key board assembly, backlight board assembly correctly,
supply with power, press button standby to power on the TV set.
3.1.1 Model LC-37/39/42/46MFXX
a) Test voltage of X504 each pin on power board in turn shown as Table 1:
X504 Pin 1、2 3、4
Min. (V) 11.3 0
Typical(V) 12.0 0
Max. (V) 12.6 0
b) Test voltage of X505 each pin on power board in turn shown as Table 2:
X505
Min. (V)
Typical(V)
Max. (V)
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Aligment Instructions
Table 1 Voltage of X504 each pin
5、6 7、8
11.3 0
12.0 0
12.6 0
Table 2 Voltage of X505 each pin
Pin 1 2
3.25 4.85
3.30 5.0
3.30 5.35
9 10 11
2.85 4.85 4.85
3.00 5.00 5.00
3.15 5.35 5.35
3～7
0
0
0
12 13
3.25 4.85
3.30 5.00
3.30 5.35
8～12
23.8
24.0
25.2