JVC KD-LX300 Service Manual page 32

KD-LX300/KD-LX100
QQ
3 7 63 1515 0
LC75811W (IC602) : LCD driver
1. Pin layout
60
61
80
1
2. Block diagram
COMMON
DRIVER
VDD
VLCD
VLCD1
VLCD2
VLCD3
TE
L 13942296513
VSS
RES
3. Pin function
Pin No.
1~58
59
60~65 COM3~COM8
66
67
68
69~71 VLCD1~VLCD3
72
73
www
74
75
76
77
78
79~80
1-32
http://www.xiaoyu163.com
~ 41
40
21
~ 20
INSTRUCTION
DECODER
INSTRUCTION
REGISTER
TIMING
GENERATOR
CLOCK
GENERATOR
Symbol I/O Function
S3~S60 O Segment driver output terminal
COM0 O Common driver output terminal
O Common driver output terminal
COM1 O Common driver output terminal
VDD - Power supply for logic section
VLCD - Power supply for LCD driver section
I LCD voltage input terminal
VSS - Connect to ground
OSCO O Oscillation output terminal
OSCI I Oscillation input terminal
RES I Reset signal input terminal
x ao
y
CE I Chip enable input terminal
CL I Clock signal input terminal
. i
DI I Serial data input terminal
S1~S2 O Segmrnt driver output terminal
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8
SEGMENT DRIVER
LATCH
ADRAM CGRAM
5x9x16
60
bits
bits
ADDRESS
COUNTER
Q Q
3 6 7 1 3
ADDRESS
REGISTER
SHIFT REGISTER
CCB INTERFACE
u163
.
2 9 9 4 2 8
CGROM
5x9x240
bits
DCRAM
48x8
1 5 0 5 8 2 9 9 4
bits
m
co
9 9
2 8 9 9