Pioneer DEH-2237ZF X1R/UC, Service Manual

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54
1
2 3 4
1 2
3 4
F
E
D
C
B
A
DEH-2237ZF/X1R/UC
R/
b
VCC
CS
SK
WC
GND
DO
DI
1
2
3
4
8
7
6
5
CS
SK
DI
DO
WC
R/
b
: Chip select input
: Serial data clock input
: Serial data input
: Serial data output
: Write control input
:READY/
busy
status
signal output
* BR9010FV-W
V
REF
1 2 3
VDD
VSS
OUT
* S-80842CNDYI
-
Pin Functions (LC75813E)
Pin No. Pin Name I/O Function and Operation
1 CL I Clock input
2 DI I Data input
3-89 S1-S87 O Segment output
90-92 COM3-COM1 O Common output
93 VDD Logic section power supply terminal
94 VLCD LCD driver section power supply terminal
95 VLCD1 2/3 VLCD terminal
96 VLCD2 1/3 VLCD terminal
97 VSS GND
98 OSC Oscillating element connection terminal
99
inh
I LCD driver inhibit input
100 CE I LCD driver chip enable input
30
31
50
51 80
81
100
1
* LC75813E