Read Sony CMT-EH20DAB / HCD-EH20DAB Service Manual online
31
HCD-EH20DAB
Pin No.
Pin Name
I/O
Description
57
V2
O
Power supply on/off control signal output for the DAB tuner module
58
V3
-
Terminal for doubler circuit capacitor connection to develop liquid crystal display drive voltage
59 to 62
COM0 to COM3
O
Common drive signal output to the liquid crystal display
63, 64
SEG0, SEG1
O
Segment drive signal output to the liquid crystal display
65
VCC
-
Power supply terminal (+3.1V)
66
GND
-
Ground terminal
67 to 89
SEG2 to SEG24
O
Segment drive signal output to the liquid crystal display
90
VCC
-
Power supply terminal (+3.1V)
91
VSS
-
Ground terminal
92
X1
I
Main system clock output terminal (4.19 MHz)
93
X0
O
Main system clock input terminal (4.19 MHz)
94 to 100 SEG25 to SEG31
O
Segment drive signal output to the liquid crystal display
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