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6-1
6. DIGITAL CIRCUIT
6-1. Outline
A Configuration of digital circuit is shown in Fig. 6-1-1.
The functions of digital circuit are described on the
following pages.
Fig. 6-1-1
QX201
CXA3026Q
(A/D CONV.)
R signal
(2.0V - 4.0V)
QX204
TC203E2651AF-01
(T-FORC)
QX202, 203, 205, 206
MB814265/HM514265
(MEMORY)
QX207
EPM7064LC68
(EXCHANGE)
QX208
MB40950
(D/A CONV.)
G signal
(2.0V - 4.0V)
B signal
(2.0V - 4.0V)
FREEZE
(MPU or camera)
R signal
(3.0V - 5.0V)
G signal
(3.0V - 5.0V)
B signal
(3.0V - 5.0V)
Timing signals
for LCD drive
1/2 CLK
R CHANNEL
G CHANNEL (RX4**, CX4**, QX4**)
B CHANNEL (RX6**, CX6**, QX6**)
CLK (PECL)
VD (INPUT)
VD
HD
HD (INPUT)
1/2 CLK
ZX003
42 MHz
X'tal OSC
ZX003
32.5 MHz
X'tal OSC
QX008
TLC2932
(PLL IC)
QX004
TC160G54AF1137
(SYG)
QX009
EMP7160ELC84
(TIMING)
QX028
CXA3106Q
(PLL IC)
QX029
TLC2932
(PLL IC)
QX003
ON SCREEN
DISPLAY
42 MHz
System clock
for T-FORC
VD (PANEL)
HD (PANEL)
LCD panel
clock
Reference clock
for signal format
measurement
Reference
clock for
LCD drive
For RGB signal
For VIDEO signal