Sharp LC-37AD1E Service Manual page 25

Ë Ë Ë Ë Ë Adjustment parameters
1) Analog adjustment
(1) AVC System voltage adjustment
Adjustment items
1 In-process adjustment
mode
(Check the destination.)
2 AVC System 3.3V
adjustment
3 AVC System 1.8V
adjustment
Adjustment conditions
Connect a DC voltmeter to TP4
at the opening on the top of the
PC I/F unit.
Page2
Connect a DC voltmeter to TP4
at the opening on the top of the
PC I/F unit.
Page2
25
Adjustment procedures
Enter the in-process adjustments mode.
Check that the destination is EUROPE.
Move the cursor to the [Ë+Badj3.3V] line and adjust
the TP4 voltage to 3.30±0.01V.
TP4 TP4
Move the cursor to the [Ë+BAdj1.8V] line and press
"ENTER" key.
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.
1 1
2 2
CN9 CN9
LC-37AD1E
19 19
20 20