Sharp LC-20C2E, Service Manual

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10
LC-20C2E
PAL/PAL60 SECAM NTSC
y delay 7 6
RF
tint offset 0 0
sub contrast 2 2
sub colour 25 25
y delay 7 5 4
AV1 tint offset 1 1 1
AV2 sub contrast 0 2 0
sub colour 30 30 20
y delay 7 5 1
AVS
tint offset 1 1 1
sub contrast 0 0 0
sub colour 30 30 30
AGC gain start 23
3-1. +B adjustment
Page 9 of MAIN side adjustment process +B-ADJ
Adjust the voltage of the pin 13 of P2002 to 5.0V
±
0.05V.
3-2. Model setting
Page 9 of MAIN side adjustment process MODEL
Set to C2E.
3-3. Inch size setting
Page 9 of MAIN side adjustment process INCH SIZE
Set to 20.
3-4. COMMON BIAS adjustment of LCD module
Page 9 of MAIN side adjustment process COM BIAS
Input the picture of gray scale and adjust it so as to obtain the best contrast.
3-5. CUTOFF adjustment
Page 9 of MAIN side adjustment process R CUTOFF, B CUTOFF
Adjust it so as to obtain the optimal colour balance.