Philips PCL304 - Page 45

LCD CRT BUFFER & DRIVER SECTION
en Buffer
SA(O-15)
LCD
driver
Sb(92
352
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v26
P4HCT245 T4HCT244
ti cpuadisS CPUARDIA
12 CPURO LS
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sql CPUEO IL
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at 3 CPuAtE
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CRT. driver
US
74HCT244
u32
74HCT244
J3e
P4HCT245
3 CPUAD?
S CPUADE *
3 CPUAD4 J
ji4 CPUADZ2 J
116 CPUAD1
8 i CPURDD
~OSELL
Moo
LES
VOCLK
LLCLK
USYNC
HSYNC _-
L
v2
3 74F04
20s
U36
ae 1 SELLCO
2 YOO
Sheet 6 of 17
UD( 80-3)
LD(0-3)
LMOD
FLM B
SH
LC
BUSYNC
BHSYNC
—~BBLANK
R8ti
1K
-SELLCD
~SELCRT
PUAD (O- ) A
no 45
8-13
1 A12
CS 55 830