Read Sony TC-SD1 Service Manual online
— 27 —
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
I/O
—
O
I
I
—
—
I
I
O
O
O
O
I
I
I
I
I
I/O
I/O
I
I
I
O
O
O
O
I
I
—
—
—
—
I
I
I
I
I
I
I/O
—
O
O
O
O
O
Description
System ground terminal
System clock output (8 MHz)
System clock input (8 MHz)
Reset input
No used
No used
Test terminal
Primary power supply ON/OFF input
Mechanism. AU power supply ON/OFF output
Type 4 recording bias selector output
Type 2 recording bias selector output
Type 1 recording bias selector output
Tape type 2 input
Tape type 4 input
Record safety tab input of side A
Record safety tab input of side A
Head sensor input
12C clock input/output
12C data input/output
Loader open switch input
Loader close switch input
TEST input
Solenoid output
Capstan motor output
Loader open (motor) output
Loader close (motor) output
Panel switch input
Option TC version input
No used
AD ground terminal
AD reference voltage
System power input
Key 1 input
Key 2 input
Half switch input
AMS input
Pulse input
Meter L-CH input
I2C BUSY input/output
No used
REC/PB selector output
RELAY selector output
Bias selector output
LINE mute selector output
Record mute selector output
Pin Name
VSS
OSC-OUT
OSC-IN
RESET
NC
NC
TEST
POWER-IN
POWER-OUT
TYPE4
TYPE2
TYPE1
CHROM-SW
METAL-SW
REC.FWD-SW
REC.REW-SW
MODE-SW
I2C-CLOCK
I2C-DATA
OPEN-SW
CLOSE-SW
TEST
SOLENOIDE
CAPSTAN
OPEN-M
CLOSE-M
PANEL-SW
OP-VERSION
NC
AD-GND
AD-REF
VCC
KEY1
KEY2
HALF-SW
AMS-IN
PULSE
METER-L/R
I2C-BUSY
SYS
REC/PB
RELAY
BIAS
LINE MUTE
REC MUTE
3-7. IC PIN FUNCTION DESCRIPTION
•
CONTROL BOARD IC05 TMP87CH48DF (SYSTEM CONTROL)
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