Read Sony DHC-MD777 / HMC-MD777 Service Manual online
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Pin No.
Pin Name
I/O
Function
71
LPH (XMODE)
O
Laser power control signal output to the CXA2568M (IC103) on the CD block
72
SENSE2
I
Monitor detection signal input of the internal status Not used (open)
73
I2CDATA
I/O
Data input/output terminal for the I2C bus
74
SENSE
I
Internal status detection monitor input from the CXD2587Q (IC101) on the CD block
75
I2CCLK
I/O
Shift clock signal input/output terminal for the I2C bus
76 to 83
A0 to A7
O
Address signal output to the static RAM (IC302)
84 to 91
D0 to D7
I/O
Two-way data bus with the static RAM (IC302)
92 to 98
A8 to A14
O
Address signal output to the static RAM (IC302)
99
A15
O
Address signal output to the external device Not used (open)
100
VSS
—
Ground terminal
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