– 69 –
*3 Capstan motor (M1) control
Stop
Forward
Direction
Reverse
Direction
Brake
CAPM-CNT1 (pin
&∞
)
“L”
“L”
“H”
“H”
CAPM-CNT2 (pin
&¢
)
“L”
“H”
“L”
“H”
Terminal
Mode
Pin No.
Pin Name
I/O
Description
77
AMS-IN
I
Whether a music is present or not from HA12215F (IC301) is detected at automatic music sensor
“L”: music is present, “H”: music is not present
78
TC-MUTE
O
Line muting on/off selection signal output to the HA12215F (IC301)
“L”: muting off, “H”: muting on
79
R/P-PASS
O
Recording/playback/pass selection signal output to the HA12215F (IC301)
“L”: recording mode, “H”: pass, “Hi-z”: playback mode
80
NR-ON/OFF
O
Dolby NR on/off selection signal output to the HA12215F (IC301)
“L”: dolby off, “H”: dolby on
81
REC-MUTE
O
Recording muting on/off selection signal output to the HA12215F (IC301)
“L”: muting on, “H”: muting off
82
BIAS
O
Recording bias on/off selection signal output to the HA12215F (IC301)
“L”: bias off, “H”: bias on
83
EQ-H/N
O
Normal/high speed selection signal output to the HA12215F (IC301)
“L”: normal speed, “H”: high speed
84
PB-A/B
O
Deck-A/B selection signal output to the HA12215F (IC301) “L”: deck-A, “H”: deck-B
85
ALC-ON/OFF
O
Automatic limiter control signal output to the HA12215F (IC301) “L”: limiter on
86
B-PLAY-SW
I
Detection input from the deck- B play detect switch (S1002) “H”: deck-B play
87
A-PLAY-SW
I
Detection input from the deck- A play detect switch (S1001) “H”: deck-A play
88
A-HALF
I
Detection input from the deck-A cassette detect switch (S1003)
“L”: cassette in, “H”: no cassette
89
B-HALF
I
Detection input from the deck-B half detect switch (S1006)
90
B-SHUT
I
Shut off detection signal input from the deck-B side reel pulse detector (IC1002)
91
A-SHUT
I
Shut off detection signal input from the deck-A side reel pulse detector (IC1001)
92
SOFT-TEST
O
Output terminal for the software test (open)
93
HEADPHONE
MUTE
O
Muting on/off control signal output terminal “L”: muting on Not used (open)
94
KEY/CD ADJ
I
Setting terminal for the CD adjustment mode Not used (open)
95
MODEL-IN
I
Destination setting terminal
96
AVSS
—
Ground terminal (for A/D conversion)
97
SPEC-IN
I
Setting terminal for the version
98
AVREF
I
Reference voltage (+5V) input terminal (for A/D conversion)
99
AVCC
—
Power supply terminal (+5V) (for A/D conversion)
100
TC-RELAY
O
Recording/playback select signal output to the REC/PB switch (IC602)
“L”: playback, “H”: recording
Summary of Contents for HCD-GRX70
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