Read Sharp LC-37AD1E (serv.man8) Service Manual online
24
LC-37AD1E
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Adjustment parameters
1) Analog adjustment
(1) AVC System voltage adjustment
1
In-process adjustment
mode
(Check the destination.)
mode
(Check the destination.)
Enter the in-process adjustments mode.
Check that the destination is EUROPE.
Check that the destination is EUROPE.
Adjustment items
Adjustment conditions
Adjustment procedures
2
AVC System 3.3V
adjustment
adjustment
Connect a DC voltmeter to TP4
at the opening on the top of the
PC I/F unit.
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at the opening on the top of the
PC I/F unit.
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Move the cursor to the [
Ë
+Badj3.3V] line and adjust
the TP4 voltage to 3.30±0.01V.
3
AVC System 1.8V
adjustment
adjustment
Move the cursor to the [
Ë
+BAdj1.8V] line and press
"ENTER" key.
Adjustment is complete if [
Adjustment is complete if [
Ë
+BAdj1.8V complete]
appears.
If "ERR" occurs, adjust pins (1) and (3) at CN9 on the
PC I/F unit so that 1.9V is reached.
If "ERR" occurs, adjust pins (1) and (3) at CN9 on the
PC I/F unit so that 1.9V is reached.
Connect a DC voltmeter to TP4
at the opening on the top of the
PC I/F unit.
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at the opening on the top of the
PC I/F unit.
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TP4
TP4
CN9
CN9
1
1
2
2
19
19
20
20
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