Sony HCD-DX155 Service Manual page 61

Pin No. Pin Name
88 IO_DO
89 IO_CLK
90 MONO/ST_DET
91 A.CAL MIC LEVEL
92 DESTINATION
93 MODEL
94 KEY2
95 KEY1
96 VSS
97 KEY0
98 VREF
99 VCC
100 MIC/A.CAL SW
I/O
I I/O expander IC data input
O I/O expander IC clock output
I Front jack MONO or STEREO detect
I MIC level detect fot auto calibration
I Destination select input
I Model select input
I Key input 2 input
I Key input 1 input
— Ground terminal
I Key input 0 input
— Reference voltage (E3.3V)
— Power supply (BUP3.3V)
I MIC insert switch
HCD-DX155/DX255
Description
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