Read Sony CMT-CP101 / CMT-CP101K / HCD-CP101 Service Manual online
35
HCD-CP101
Pin No.
Pin Name
I/O
Description
32
TC-SW
I
Half detect (side A and B) switch and cassette in detect switch input terminal (A/D input)
33
TRAY-SW
I
Disc tray open/close detect switch input terminal (A/D input) “L”: open position
34
KEY3
I
Key input terminal (A/D input)
35
KEY2
I
Key input terminal (A/D input)
36
KEY1
I
Key input terminal (A/D input)
37
SIMUKE/TEST
I
Destination setting terminal (A/D input)
38
RESET
I
System reset signal input from the reset signal generator “L”: reset
For several hundreds msec. after the power supply rises, “L”: is input, then it changes to “H”
For several hundreds msec. after the power supply rises, “L”: is input, then it changes to “H”
39
EXTAL1
I
Main system clock input terminal (4.19MHz)
40
XTAL1
O
Main system clock output terminal (4.19MHz)
41
VSS
—
Ground terminal
42
XTAL2
O
Sub system clock output terminal Not used
43
EXTAL2
I
Sub system clock input terminal Not used
44
AVREF
I
Reference voltage (+5V) input terminal (for A/D conversion)
45
AVSS
—
Ground terminal (for A/D conversion)
46
VL
O
Not used
47 to 49
VLC3 to VLC1
—
Power supply terminal for the liquid crystal display bias
50 to 53
COM0 to COM3
O
Common drive signal output to the liquid crystal display
54 to 85
SEG0 to SEG31
O
Segment drive signal output to the liquid crystal display
86
C-XRST
O
Reset signal output to the CXD2587Q and BA5974FP (at CD function)
87
REC-MUTE
O
Recording muting on/off selection signal output to the tape deck section
“H”: muting on, “L”: muting of
“H”: muting on, “L”: muting of
88
SDA
O
Serial data output to the electrical volume
89
VDD
—
Power supply terminal (+5V)
90
NC
—
Not used (open)
91
VSS
—
Ground terminal
92
TX
O
Sub system clock output terminal (32.768kHz)
93
TEX
I
Sub system clock input terminal (32.768kHz)
94
CD-ON
O
Power supply on/off control signal output of the CD section
LED drive signal output of the CD u indicator “H”: CD power on (LED on)
LED drive signal output of the CD u indicator “H”: CD power on (LED on)
95
REC/PB
O
Recording/playback selection signal output to the tape deck section
“L”: playback mode, “H”: recording mode
“L”: playback mode, “H”: recording mode
96
L-MUTE
O
Line muting on/off selection signal output to the tape deck section
“H”: muting on, “L”: muting off
“H”: muting on, “L”: muting off
97
AU MUTE
O
muting on/off control signal output terminal “H”: muting on
98
TC-ON
O
Power supply on/off control signal output of the cassette holder back light
LED drive signal output of the TAPE n N indicator “H”: back light on (LED on)
LED drive signal output of the TAPE n N indicator “H”: back light on (LED on)
99
WP
I
Wakeup control signal input terminal
100
SCOR
I
Subcode sync (S0+S1) detection signal input from the CXD2587Q (at CD function)
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