Pioneer RRV2930 Service Manual page 138

1
PT6302LQ-003 (DISPLAY ASSY : IC5601)
QQ
3 7 63 1515 0
• FL Driver IC with character RAM
• BLOCK DIAGRAM
A
VDD
VSS
VEE
RSTB
DIN
8-BIT
SHIFT
CLKB
REGISTER
CSB
B
COMMAND
DECODER
CONTROL
CIRCUIT
C
TE
L 13942296513
TIMING
GENERATOR 1
D
OSCO
OSCILLATOR
OSCI
E
www
F
138
1
http://www.xiaoyu163.com
2
DCRAM
16 words x 8 bits
ADDRESS
SELECTOR
WRITE
ADDRESS
COUNTER
TIMING
GENERATOR 2
x ao
y
. i
XV-HTD640
2
http://www.xiaoyu163.com
3
8
CGROM
248 words x 35 bits
CGRAM
8 words x 35 bits
ADRAM
16 words x 2 bits
READ
ADDRESS
COUNTER
DIGIT
CONTROL
DUTY
Q Q
3 6 7 1 3
CONTROL
u163
.
3
4
2 9 9 4 2 8
SEGMENT
DRIVER
AD
DRIVER
PORT
DRIVER
GRID
DRIVER
1 5 0 5 8 2 9 9 4
m
co
4
9 9
SG1
SG35
AD1
AD2
P1
P2
GR1
2 8 9 9
GR16