Alignment instructions
1. Test equipment
VG848 (YPbPr, VGA signal generator)
VG849 (HDMI signal generator)
CA210 (color analyzer)
2. Alignment procedure
2.1
Connect all the boards according to wiring diagram. Connect the power supply and press
POWER to turn on the TV.
2.1.1 For 32” /37” /42” model .
a) In turn measure X508 all pins voltage on Power Board, the value is shown below (Table 1)
˖
Table 1 X508 all pin voltage
Pin 1 2 3
4
ǃ
5
6
ǃ
7
8 9 10
11
12
13
Min.(V) 4.85
3.25 0 11.3 0 0 4.85 0 4.85 0 2.85
Typical(V)
5.00
3.30 0 12.0 0 0 5.00 0 5.00 0 3.00
Max.(V) 5.35
3.30 0 12.6 0 0 5.35 0 5.35 0 3.15
b) In turn measure X505 all pin voltage on the Power Board, the value is shown below (Table 2) :
Table 2 X505 all pin voltage
Pin
1
ǃ
2 3
ǃ
4
ǃ
5
Min.(V) 23.5
0
Typical(V) 24.0
0
Max.(V) 25.2
0
c) In turn measure X503 all pin voltage on the Power Board, the value is shown below (Table 3).
Table 3 X503 all pin voltage
Pin
1
̚
5 6
̚
10
11 12
Min.(V) 23.8 0
3.25
4.85
Typical(V) 24.0 0
3.30
5.0
Max.(V) 25.2 0
3.30
5.35
2.1.2 For 26” model
a) In turn measure X505 all pins voltage on Power Board, the value is shown below (Table 4)
˖
Table 4 X505 all pin voltage
Pin 1 2 3
4
ǃ
5 6
ǃ
7
8 9 10
11
12
13
Min.
(V)
4.85
3.25 0 11.3 0 0 4.85 0 4.85 0 2.85
Typical(V)
5.00
3.30 0 12.0 0 0 5.00 0 5.00 0 3.00
Max.
(V)
5.35
3.30 0 12.6 0 0 5.35 0 5.35 0 3.15
b) In turn measure X503 all pin voltage on the Power Board, the value is shown below (Table 5):
Alignment Instruction
7
Summary of Contents for DX-L37-10A
Page 24: ...23 Main Board 1 4 ...
Page 25: ...Amplifier Main Board 2 4 ...
Page 26: ...Main Board 3 4 ...
Page 27: ...Main Board 4 4 ...
Page 28: ...Power Board LC 26KT46 1 2 ...
Page 29: ...Power Board LC 26KT46 2 2 ...
Page 30: ...Power Board LC 32KT46 ...
Page 31: ...Power Board LC 37KT46 ...
Page 32: ...Power Board LC 42KT46 ...
Page 33: ...IR KEY Board ...
Page 34: ...Exploded View 33 ...
Page 36: ...35 Exploded View ...
Page 38: ...1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 19 17 18 20 21 22 LC 37KT46 Exploded View 37 ...
Page 40: ...39 Exploded View ...
