Read Sony STR-MD777 Service Manual online
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Pin No.
Pin Name
I/O
Function
91
CD RESET
CHECK
O
CD reset check signal output to the equipment connected to system control connector (CN105)
92
MAIN
TR-RELAY
O
Power on/off control signal output of the power transformer (T902)
“H” output when power on (relay (RY901) on)
“H” output when power on (relay (RY901) on)
93
SP-RELAY
O
Relay drive signal output of the speaker protect relay Not used (open)
94
STK-MUTE
O
Muting control signal output of the power amplifier Not used (open)
95
MDCD-POWER
O
MD/CD power on/off control signal output to the equipment connected to system control
connector (CN105)
connector (CN105)
96
MDCD-POWER
O
Not used (open)
97
FL-POWER
O
Not used (open)
98
LINE MUTE
O
Audio line muting control signal output terminal “L”: muting on
99
VG POWER
O
Filament drive power on/off control signal output for the fluorescent indicator tube (FL601)
“H”: power on
“H”: power on
100
VSS
—
Ground terminal
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