Read Sharp LC-20C2E (serv.man2) Service Manual online
31
LC-13B2H/M
LC-15B2H/M
LC-20B2H/M
LC-15B2H/M
LC-20B2H/M
· Gray level adjustment
18
VO
0
255
250
250
245
Gray level power supply reference voltage
Must not be changed.
V16
0
255
183
183
180
Gray level power supply reference voltage
Must not be changed.
V16 BIAS
0
255
127
127
127
Gray level power supply reference voltage
Must not be changed.
V32
0
255
122
122
99
Gray level power supply reference voltage
Must not be changed.
V32 BIAS
0
255
127
127
127
Gray level power supply reference voltage
Must not be changed.
V48
0
255
86
86
52
Gray level power supply reference voltage
Must not be changed.
V48 BIAS
0
255
127
127
127
Gray level power supply reference voltage
Must not be changed.
V63
0
255
10
10
18
Gray level power supply reference voltage
Must not be changed.
VGL ADJ
0
255
45
45
116
Gray level power supply reference voltage
Must not be changed.
COM
0
255
132
132
200
Gray level power supply reference voltage
Must not be changed.
G/A READDATA
0
0
0
Controller READ data READ
Must not be changed.
G/A READDATA
WAIT
WAIT
WAIT
READ execution
Must not be changed.
Page Item
MIN value MAX value Initial value Initial value Initial value Description
Servicing
for 13
for 15
for 20
· 3-dimensional setting, synchronization determination setting, etc.
19
LSYNC
625
625
625
Synchronization determination
Must not be changed.
threshold (TV)
HSYNC
655
655
655
Synchronization determination
Must not be changed.
threshold (TV)
AVSYNC
5000
5000
5000
Synchronization determination
Must not be changed.
threshold (composite)
VPC FP20H
MUTE time at power-on for composite
Must not be changed.
VPC FP21H
MUTE time at power-on for composite
Must not be changed.
VPC FP13H
MUTE time at power-on for composite
Must not be changed.
MSP DEMO 0200H
MUTE time at power-on for composite
Must not be changed.
L_ERROR WAIT
0
30
4
4
4
Lamp error detection WAIT time
Must not be changed.
L ERROR H TIME
0
4
1
1
1
Lamp error detection time
Must not be changed.
· Measures against remaining charge
20
DENKA PORT
OFF
OFF
OFF
Measures against remaining charge
Must not be changed.
DENKA TESTP
FF
FF
FF
Measures against remaining charge 2
Must not be changed.
DENKA TESTP2
30ms
30ms
30ms
Measures against remaining charge 3
Must not be changed.
DENKA V63
ON
ON
ON
Measures against remaining charge 4
Must not be changed.
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