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Ic Pin Description - Sony TC-TX313 Service Manual

Stereo cassette deck
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6-8. IC PIN DESCRIPTION

• IC04 µPD75108GF-N14-3BE (SYSTEM CONTROL)
Pin No.
1
RVS REC RELAY
2
FWD REC RELAY
3
RVS PLAY RELAY
4
FWD PLAY RELAY
5
POWER OUT
6
7
8
9
10
11
12
13
14
LINE MUTE
15
16
REC.MUTE
17
18
19
20
21
22
TE
L 13942296513
23
24
25
AU BUS OUT
26
27
28
29
30
31
32
33
34
S.PLAY MODE
35
36
37
MODE SEL
38
39
40
41
42, 43
44
POWER DOWN IN
45
46
www
47
48
CD SYC.LED
49
.
50
51
52
PAUSE.LED
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Pin Name
I/O
O
RVS REC relay control output (Not used in this set.)
O
FWD REC relay control output (Not used in this set.)
O
RVS PLAY relay control output (Not used in this set.)
O
FWD PLAY relay control output (Not used in this set.)
O
Power output (Not used in this set.)
AMS OUT
O
AMS gain control output (Not used in this set.)
RESET
I
Reset input (L : Reset)
XTAL
—
Oscillator circuit (4.19 MHz)
XTAL
—
Oscillator circuit (4.19 MHz)
NR OUT
O
Noise reduction signal output (Not used in this set.)
REC/PB
O
REC/PB select output (H : REC, L : PB)
F/R
O
RVS/FWD select output (H : RVS, L : FWD) (Not used in this set.)
BIAS
O
Bias oscillation control output (H : ON, L : OFF)
O
Line mute control output (H : OFF, L : ON)
PB.MUTE
O
PB mute control output (H : OFF, L : ON)
O
REC mute control output (H : OFF, L : ON)
TAPE 4
O
REC equalizer select output (H : METAL) (Not used in this set.)
TAPE 2
O
REC equalizer select output (H : CrO
TAPE 1
O
REC equalizer select output (H : NORMAL)
M.FWD
O
Reel motor forward direction rotation output
M.REV
O
Reel motor reverse direction rotation output
H.SPEED
O
Tape speed control output
L+
O
Loading motor forward direction rotation output
L-
O
Loading motor reverse direction rotation output
O
AU BUS signal output
VSS
—
Ground
F.REC
I
Mechanism deck FWD REC PROOF claw detection signal input (H : REC inhibit)
R.REC
I
Mechanism deck RVS REC PROOF claw detection signal input (H : REC inhibit)
PACK IN
I
Loading detection signal input
AU BUS IN
I
AU BUS signal input
AMS IN
I
AMS signal input
KEY 1
I
Key switch input 1
KEY 0
I
Key switch input 0
I
Mechanism deck tape position detection signal input
F.REEL
I
Mechanism deck FWD reel sensor detection signal input
R.REEL
I
Mechanism deck RVS reel sensor detection signal input
I
Connect to Ground in this set.
CrO2
I
Mechanism deck CrO
TAPE IN
I
Mechanism deck HALF switch input
TEST PIN
I
Input for test mode. (L : Test mode)
NC
I
Connect to Ground in this set.
NC
O
Not used in this set.
I
Power detection input
NR.LED
O
NR LED output (Not used in this set.)
PB.LED
O
PLAYBACK LED output (Not used in this set.)
TAPE.LED
O
Tape indicator LED output
x
ao
O
CD SYNC LED output
y
REC.LED
O
REC LED output
i
) LED output
>>.LED
O
0 LED output
<<.LED
O
O
PAUSE LED output
http://www.xiaoyu163.com
8
Q Q
3
6 7
1 3
switch input
2
u163
.
– 31 –
2 9
9 4
2 8
Pin Description
)
2
1 5
0 5
8
2 9
9 4
m
co
9 9
2 8
9 9
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