Sony HCD-GX20 Service Manual page 37

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Pin No. Pin Name
79 TUNER STEREO
80 CD OPEN
81 TAPE PHOTO A
82 TAPE PHOTO B
83 TAPE AMS
84 PROTECTOR SENSOR
85 PT8300 LATCH
86 CD LED
87 TUNER LED
88 TAPE LED
89 VSS
90 VDD
91 GAME LED
92 GAME MIX LED
93 LC72131 CE
94 BD3871 DATA/LATCH
LC72131,PT8300
95
DATA OUT
96 LC72131 DATA IN
LC72131,BD3871,
97
PT8300 CLK
TE
LA9241M,LC78622NE
L 13942296513
98
COIN
LA9241M,LC78622NE
99
SQOUT
LA9241M,LC78622NE
100
SQCK
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I/O
I Stereo tuning signal input
I CD tray open switch signal input
I A deck photo sensor singanl input
I B deck photo sensor singanl input
I AMS signal input
I Power amplifier circuit protection signal input
O Latch signal output to the I/O expander
O CD LED control signal output
O TUNER LED control signal output
O TAPE LED control signal output
– Ground
– Power supply
O GAME LED control signal output
O GAME MIX LED control signal output
O Chip select signal output to the PLL tuner IC
O Data/latch signal output to the sound processor
O Data output to the PLL tuner IC and the I/O expander
I Data input from the the PLL tuner IC
O Clock output to the PLL tuner IC, the sound processor and the I/O expander
O CD command data signal output
I CD subcode Q signal input
O CD command clock signal output
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Description
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HCD-GX20
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