RXD-V323
6
CIRCUIT DESCRIPTION
Active
Pin. No.
Name
I/O
Description
H
L
38
TURNTABLE MOTOR +
O
Turntable motor(+) control.
39
TURNTABLE MOTOR -
O
Turntable motor(-) control.
40
TRAY MOTOR +
O
Tray motor(+) control.
41
TRAY MOTOR -
O
Tray motor(-) control.
42
MOTOR SPEED
O
Motor speed control.
43~45
-
-
No used.
46
AUX
-
No used.
47
TAPE
O
System muting control.
O
48
TUNER
-
No used.
49
CD
-
No used.
50,51
-
-
No used.
52
LED STANDBY
O
Standby LED control.
O
53
TIMER
O
Timer LED control.
O
54
TAPE M/M SW A
I
Input port of mode switch for A deck mechanism.
Stop
Play
55
TAPE M/M SW B
I
Input port of mode switch for B deck mechanism.
Stop
Play
56
VDD
-
Power 5.0V).
57
VSS
-
Ground.
58
TAPE M/H SW A
I
Half switch input of A deck mechanism.
59
TAPE M/H SW B
I
Half switch input of B deck mechanism.
60
REC.FWD SW
I
REC forward switch input.
61
REC.RVS SW
I
REC reverse switch input.
62
REEL PULS A
I
Reel pulse input of A deck.
63
REEL PULS B
I
Reel pulse input of B deck.
64
TAPE M.VCC
-
Power supply for deck mechanism.
Play
Stop
65
REC
O
Deck recording control.
Rec
Other
66
SOL.B
O
Control port of solenoid for deck B.
On
Off
67
DUBBING
O
Dubbing control.
Dubb
Nor
68
SOL.A
O
Control port of solenoid for deck A.
On
Off
69
REC.MUTE
O
REC mute control.
Other
Rec
70
BIAS
O
Deck bias control.
Rec
Other
71
A or B
O
Deck(A or B) control.
A
B
72
REC.BEAT CANCEL
O
REC beat cancel.
On
Off
73
TAPE MUTE
O
Muting control of deck line output.
On
Off
-
No used.
O
Speaker relay control.
On
Off
I
Ground.
-
Ground.
I
Input port of jog encoder(A).
O
I
Input port of jog encoder(B).
O
-
Ground.
I
FM stereo signal input.
Mono
Stereo
I/O
TDA7439(MAIN PCB,IC104) SDA.
I/O
TDA7439(MAIN PCB,IC104) SCL.
-
Ground.
90
VDD2
-
Power 5.0V).
91
POWER-SW
-
No used.
92
SYS-MUTE
O
System muting control.
Off
On
93
TU-MUTE
O
Tuner muting control.
On
Off
94
LINE OUT MUTE
O
Muting control of line out.
On
Off
95
EX.BASS OUT
-
No used.
96
V/CANCEL OUT
O
Voice cancel out.
Off
On
97
CS
O
M66004(FL driver) CS.
O
98
RESET
O
M66004(FL driver) reset.
O
99,100
-
-
No used.
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