29
Pin No. Pin Name I/O Description
37 KEY1 I
Key input terminal (A/D input) (S921, 922, 924, 926 (TC-KE240) x, PAUSE X, m AMS
M, REC MUTING W (TC-KE240) keys input, (S921 to S923, S925 to S927) x, PAUSE X,
AMS M H, m AMS h, REC MUTING W (TC-RE340) keys input
38 RESET I
System reset signal input from the reset signal generator (IC802) “L”: reset
“L” is input for several 100 msec after power on, then it changes to “H”
39 EXTAL I Main system clock input terminal (10 MHz)
40 XTAL O Main system clock output terminal (10 MHz)
41 VSS — Ground terminal
42 TX O Sub system clock output terminal (32.768 kHz) Not used (pull down)
43 TEX I Sub system clock input terminal (32.768 kHz) Not used (fixed at “L”)
44 VOL IN I REC LEVEL volume (RV901) input terminal (A/D input)
45 DOLBY SW I DOLBY NR switch (S917) input terminal (A/D input)
46 AVREF — Reference voltage (+5V) input terminal (for A/D converter)
47 AVSS — Ground terminal (for A/D converter)
48 ARL LED O LED drive signal output of the AUTO REC LEVEL indicator (D901) “L”: LED on
49 CD SYNC LED O LED drive signal output of the SYNCHRO indicator (D902) “L”: LED on
50 CAP M2 O
51 CAP M4 O
52 CAP M3 O
53 CAP M1 O
54 to 57
BIAS CAL0 to
BIAS CAL3
O Calibration control signal output terminal
58 to 68 ——Not used (open)
69 OSC ON/OFF O Calibration OSC on/off control signal output terminal
70 OSC H/L O Calibration tone frequency high/low control signal output terminal “L”: frequency low
71 LINE MUTE O Line muting on/off control signal output terminal “L”: muting on
72 to 87 ——Not used (open)
88 VF — Power supply terminal (for FDP) Not used (fixed at “L”)
89 VDD — Power supply terminal (+5V)
90 NC — Not used (fixed at “L”)
91 VSS — Ground terminal
92 BIAS A O Recording bias on/off control signal output terminal “L”: bias on Not used (open)
93 BIAS O Recording bias on/off control signal output terminal “L”: bias on
94 VERSION I Setting terminal for the model type
95 AMS IN I Auto music sensor signal input terminal “L”: AMS detect
96 TRG B O Plunger (PM1001) drive signal output terminal
97 TRG A O Plunger drive signal output terminal Not used (open)
98 ——
99 PLAYSW A I Mechanism playback detect signal input terminal “H”: playback Not used (open)
100 70U A I CrO
2 detect signal input terminal “H”: CrO2 Not used (fixed at “L”)
Capstan motor (M1002) drive signal output terminal
w
w
w
.
x
i
a
o
y
u
1
6
3
.
c
o
m
Q
Q
3
7
6
3
1
5
1
5
0
9
9
2
8
9
4
2
9
8
T
E
L
1
3
9
4
2
2
9
6
5
1
3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
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