Sony TCS-100DV Service Manual page 16

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Pin No. Pin Name
41 SPEED SW
42 RESTART
43 MOTOR CTL
44, 45 NC
46
MOTOR DIR
47 BEEP
48
TAPE SW
49
NC
50
WAKE UP
51
SPCON OFF
52
SPEED CTL
53
CS
54 SD
55
SCK
56
NC
TE
57
AVSS
L 13942296513
58
NC
59
AVR
60
KEY IN2
61
KEY IN1
62
MD SW
63
BATT DET
64
NC
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I/O
Recording time mode selection signal input from the REC TIME switch (S1)
I
"L": normal, "H": double (1/2 speed)
Motor restart control signal output to the capstan/reel motor driver (IC601)
O
"H": fast forward/rewinding
Motor start control signal output to the capstan/reel motor driver (IC601)
O
"L": the motor is rotating, "H": the motor is stopped
— Not used (open)
Motor direction control signal output to the capstan/reel motor driver (IC601)
O
Output "L" only when rewinding "L": counterclockwise, "H": clockwise
O BEEP sound signal output to the PB amp (IC301)
I Cassette tape detect switch (S702-2) input terminal "L": cassette detected, "H": no cassette
— Not used (open)
Input of acknowledge signal for the key entry Acknowledge signal is input to accept key entry
I
in the power off status or hold the key status "H": key is pressed
Variable/not variable switching signal output to the playback speed control circuit
O
Output "H" only when playback "H": playback speed is variable
Switching signal of recording time mode output to the speed control circuit for motor rotation and
O
recording bias control circuit "L": double (1/2 speed), "H": normal
O
Chip select signal output to the LCD driver (IC1)
O Serial data output to the LCD driver (IC1)
O
Serial data transfer clock signal output to the LCD driver (IC1)
— Not used (open)
— Ground terminal (for A/D converter)
— Not used (open)
I Reference voltage (+3V) input for the A/D converter
I Key input terminal (A/D input) S8 to S10 (COUNTER RESET, EASY SERCH +/–)
Key input terminal (A/D input) S2 to S7 (STOPx, PLAY/DIRbB, FF/CUEM,
I
REW/REVIEWm, REC, PAUSEX)
A tape rotating direction detect signal input from the direction switch (S701) (A/D input)
I
"L": FWD direction, center voltage: REV direction, "H": stop
I Battery voltage detection signal input (A/D input)
— Not used (open)
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