Read Sharp LC-13C2E (serv.man2) Service Manual online
11
LC-13B2H/M
LC-15B2H/M
LC-20B2H/M
LC-15B2H/M
LC-20B2H/M
VP Y0
VP Y1
VP Y2
VP Y3
Measurement points
3
–
6
UV0
UV1
UV2
UV3
Measurement points
7
–
0
OR0
OR1
OR2
OR3
Measurement points
q
–
r
Y signal output of IC801 (VP_Y0-3)
C signal output of IC801 (UV0-3)
R signal output of IC1201 (OR0-3)
3-6. Gray level circuit
DAC1CS, MPCLK and MPDA outputted from IC2001 are inputted to IC1101 (DAC) (
t
,
y
,
u
). After passing
through IC1102-08 and IC1110, the gray level reference voltages (V0, V16, V32, V46 and V63) are outputted to
the panel. After passing through IC1109 and Q1101-1102, the electrode signals (VCOM and VCSCOM) are
outputted to the panel.
the panel. After passing through IC1109 and Q1101-1102, the electrode signals (VCOM and VCSCOM) are
outputted to the panel.
MPU
IC2001
DAC
IC1101
LCD
PANEL
COMMON
IC1109
Q1101
Q1102
Q1102
GRADUATION
POWER FOR
LCD
IC1102-IC1108
IC1110
MPCLK, MPDA
V0, V16, V32, V48, V63
VCOM, VCSCOM
DAC1CS
Fig. 3-8. Gray level circuit
Click on the first or last page to see other LC-13C2E (serv.man2) service manuals if exist.