Dynex DX-L37-10A, Руководство по обслуживанию

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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
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