Read Sony CMT-SD1 / CMT-SD3 / HCD-SD1 Service Manual online
– 55 –
61
LOAD IN
O
Tray loading motor control signal, “L”:Loading
62
LOAD OUT
O
Tray loading motor control signal, “L”:When OPEN
63
BD.RESET
O
IC reset signal for CD control, “L”:RESET
64
LIGHT
O
BLUE LED control port of front panel, “L”:LED ON
65
SDATA
O
Serial data for SOUND PROCESSOR IC101 (M62428AFP)
66
SCLOCK
O
Serial clock for SOUND PROCESSOR IC101 (M62428AFP)
67
SLAT1
O
Chip select for SOUND PROCESSOR IC101 (M62428AFP)
68
MUTE1
O
Audio mute signal, “H”:Power amplifier ICs (IC801, IC851) MUTE
69
MUTE2
O
Audio mute signal, “L”:Line mute (Q141, Q241) MUTE
70
STANDBY LED
O
Signal controlling LED which lights when power is OFF, “L”:LED ON
71
VSS0
–
Ground potential of port
72
ON LED
O
Signal controlling LED which lights when power is ON, “L”:LED ON
73
TIMER LED
O
Signal controlling LED which lights in timer standby, “H”:LED ON
74
–
I
Not used
75
FL DISP SW
O
Power ON/OFF signal for FL display, “H”:FL display ON
76
SP RELAY SW
O
Speaker relay control signal, “L”:Speaker relay ON
77 to 80
–
I
Not used
81
ON/XSTBY
O
System power control signal, “H”:Standby relay ON
82
STEREO
I
Tuner stereo signal, “L”:Stereo
83
TUNED
I
Tuner selection OK signal, “L”:TUNED
84
ST IDATA
I
Serial input data for tuner
85
ST ODATA
O
Serial output data for tuner
86
ST.CLOCK
O
Serial clock for tuner
87
ST LATCH
O
Chip select for tuner
88
ST MUTE
O
Tuner mute output
89
ST POWER
O
Tuner power signal (Not used)
90
SIRCS
I
SIRCS code input signal (Remote control signal input)
91
PCL
I
32 KHz clock monitor out
32.768 kHz signal is output in the test mode (Refer to page 12.)
92, 93
–
I
Not used
94
DEST1
I
Destination differentiation signal (Fixed at “H”)
95
DEST2
I
Destination differentiation signal (Fixed at “L”)
96
–
I
Not used
97
HP MUTE
O
HP mute signal output
98
MD-MUTE
O
MD REC OUT control signal
“L”:MD REC OUT MUTE (“L” only for MD function)
99
TC-MUTE
O
REC OUT control signal of TAPE
“L”:TAPE REC OUT MUTE (“L” only for TAPE function)
100
V/T
O
Function control signal “H”:TAPE, “L”:CS/BS
Pin No.
Pin Name
I/O
Function
Click on the first or last page to see other CMT-SD1 / CMT-SD3 / HCD-SD1 service manuals if exist.