JVC KD-LX300 Service Manual page 13

KD-LX300/KD-LX100
LC75811W (IC602) : LCD driver
1. Pin layout
61
80
2. Block diagram
COMMON
DRIVER
VDD
VLCD
VLCD1
VLCD2
VLCD3
VSS
RES
3. Pin function
Pin No.
1~58
59
60~65 COM3~COM8
66
67
68
69~71 VLCD1~VLCD3
72
73
74
75
76
77
78
79~80
1-32
60 ~ 41
40
21
1 ~ 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
CE I Chip enable input terminal
CL I Clock signal input terminal
DI I Serial data input terminal
S1~S2 O Segmrnt driver output terminal
SEGMENT DRIVER
LATCH
CGRAM
ADRAM
60 5x9x16
bits
bits
ADDRESS
DCRAM
COUNTER 48x8
bits
ADDRESS
REGISTER
SHIFT REGISTER
CCB INTERFACE
CGROM
5x9x240
bits