50
Pin No.
Pin Name
I/O
Description
74
CAPM-CNT2
O
Capstan motor (M1) drive signal output terminal “H” active *3
75
CAPM-CNT1
O
Capstan motor (M1) drive signal output terminal “H” active *3
76
CAP-M-H/L
O
High/normal speed selection signal output of the capstan motor (M1)
“L”: normal speed, “H”: high speed
77
AMS-IN
I
Whether a music is present or not from the HA12215F (IC301) is detected an 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
REC/PB/PASS
O
Recording/playback/pass selection signal output to the HA12215F (IC301)
“L”: recording mode, “H”: pass, “Hi-z”: playback mode
80
DOLBY NR
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
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
DISC-SENS
I
Detection input from the disc in detect sensor (D704 and Q703) on the CD mechanism block
“H”: disc detected
93
CNT-SW
I
Detection input from the count detect switch (S706) on the CD mechanism block
“L”: when elevator up/down each sub tray stock position
94
MODEL-IN
I
Destination setting terminal
95
KEY1
I
Key input terminal (A/D input)
S211 to S223 (
G
/
S
/
s
(CD), DISC 1/2/3/4/5,
A
(DISC 5/4/3/2/1)) keys input
96
AVSS
—
Ground terminal (for A/D conversion)
97
KEY0
I
Key input terminal (A/D input)
S201 to S209, S224 to S228 (
s
/
G
/
g
(DECK B),
s
/
G
/
g
(DECK A), PREV, NEXT, RETURN,
HI DUB, CD SYNC, REC PAUSE/START, DIRECTION, DOLBY NR) keys input
98
VREF
I
Reference voltage (+5V) input terminal (for A/D conversion)
99
AVCC
—
Power supply terminal (+5V) (for A/D conversion)
100
NC
I
Not used (fixed at “L”)
*3 Capstan motor (M1) control
Stop
Forward
Direction
Reverse
Direction
Brake
CAPM-CNT2 (pin
uf
)
“L”
“H”
“L”
“H”
CAPM-CNT1(pin
ug
)
“L”
“L”
“H”
“H”
Terminal
Mode
Summary of Contents for HTC-NX300
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