Sony HTC-NX1 Service Manual page 36

Pin No. Pin Name
74 CAPM-CNT2
75 CAPM-CNT1
76 CAP-M-H/L
77 AMS-IN
78 TC-MUTE
79 REC/PB/PASS
80 DOLBY NR
81 REC-MUTE
82 BIAS
83 EQ-H/N
84 PB-A/B
85 ALC
86 B-PLAY-SW
87 A-PLAY-SW
88 A-HALF
89 B-HALF
90 B-SHUT
91 A-SHUT
92 DISC-SENS
93 CNT-SW
94 MODEL-IN
95 KEY1
96 AVSS
97 KEY0
98 VREF
99 AVCC
100 NC
*3 Capstan motor (M1) control
Mode
Stop
Terminal
"L"
CAPM-CNT2 (pin uf )
CAPM-CNT1(pin ug ) "L"
36
I/O
O Capstan motor (M1) drive signal output terminal "H" active *3
O Capstan motor (M1) drive signal output terminal "H" active *3
High/normal speed selection signal output of the capstan motor (M1)
O
"L": normal speed, "H": high speed
Whether a music is present or not from the HA12215F (IC301) is detected an automatic music
I
sensor "L": music is present, "H": music is not present
Line muting on/off selection signal output to the HA12215F (IC301)
O
"L": muting off, "H": muting on
Recording/playback/pass selection signal output to the HA12215F (IC301)
O
"L": recording mode, "H": pass, "Hi-z": playback mode
Dolby NR on/off selection signal output to the HA12215F (IC301)
O
"L": dolby off, "H": dolby on
Recording muting on/off selection signal output to the HA12215F (IC301)
O
"L": muting on, "H": muting off
Recording bias on/off selection signal output to the HA12215F (IC301)
O
"L": bias off, "H": bias on
Normal/high speed selection signal output to the HA12215F (IC301)
O
"L": normal speed, "H": high speed
O Deck-A/B selection signal output to the HA12215F (IC301) "L": deck-A, "H": deck-B
O Automatic limiter control signal output to the HA12215F (IC301) "L": limiter on
I Detection input from the deck-B play detect switch (S1002) "H": deck-B play
I Detection input from the deck-A play detect switch (S1001) "H": deck-A play
Detection input from the deck-A cassette detect switch (S1003)
I
"L": cassette in, "H": no cassette
I Detection input from the deck-B half detect switch (S1006)
I Shut off detection signal input from the deck-B side reel pulse detector (IC1002)
I Shut off detection signal input from the deck-A side reel pulse detector (IC1001)
Detection input from the disc in detect sensor (D704 and Q703) on the CD mechanism block
I
"H": disc detected
Detection input from the count detect switch (S706) on the CD mechanism block
I
"L": when elevator up/down each sub tray stock position
I Destination setting terminal
Key input terminal (A/D input)
I
S211 to S223 (G/S/s (CD), DISC 1/2/3/4/5, A (DISC 5/4/3/2/1)) keys input
— Ground terminal (for A/D conversion)
Key input terminal (A/D input)
I S201 to S206, S224 to S228 (s/G/g (DECK B), s/G/g (DECK A), HI DUB, CD SYNC,
REC PAUSE/START, DIRECTION, DOLBY NR) keys input
I Reference voltage (+5V) input terminal (for A/D conversion)
— Power supply terminal (+5V) (for A/D conversion)
I Not used (fixed at "L")
Forward Reverse
Brake
Direction Direction
"H" "L" "H"
"L" "H" "H"
Description