Read Sharp LC-20C2E (serv.man3) Service Manual online
10
LC-20C2E
[4] Initialization
4-1. Set pins (81) and (82) of IC2001 (microprocessor) to GND. Turn on the power.
4-2. Select a model number (A1, A2H, A2U, C2E).
4-3. Select a size in inches (13, 15, 20).
4-4. Bring pins (81) and (82) of IC2001 (microprocessor) back to the original state.
4-2. Select a model number (A1, A2H, A2U, C2E).
4-3. Select a size in inches (13, 15, 20).
4-4. Bring pins (81) and (82) of IC2001 (microprocessor) back to the original state.
[5] WS adjustment
5-1. +B adjustment
1) Receive the signal.
2) Adjust the voltage at P2002 (pin (13)) to 5.00Å}0.02 V.
Note: The 5.0 V level is used as reference for all the line voltages. Make this adjustment as precisely as possible.
2) Adjust the voltage at P2002 (pin (13)) to 5.00Å}0.02 V.
Note: The 5.0 V level is used as reference for all the line voltages. Make this adjustment as precisely as possible.
5-2. Making the R, B and CUTOFF settings
(On-screen display of page 2 of the adjustment process menu)
1
2
3
4
5
6
7
8
9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26
0
2
1
C O M
B I A S
4 0
2
R C U T O F F
+ 1
3
G C U T O F F
0
4
B C U T O F F
1
5
G 3
B 3
R 3
0 0
0 0
0 0
6
G 1
B 4
Y
0 0
0 0
B B
7
F S P
T E S T
O F F
8
R S P
T E S T
O F F
9
10
11
12
13
Make these settings.
Y data
(75% white)
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