Kenwood RXD-402 Service Manual page 9

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3 7 63 1515 0
Pin No.
Name
54
A-JOG2
55
B-JOG1
56
B-JOG2
57,58
ENC1,2
59
LEDCLK
60,61
LEDDT1,2
62
VCC(BU)
63
LMUTE
64
VSS
65
B-PH
66
A-B2
67
A-B1
68
A120/70
69
B1/2
70
D-R/P
71
DOLBY
72
R/P
73
NOR
74
BIAS
75
BEAT.C
76
B.SOL
77
CPM
78
A.SOL
79
CLK
TE
L 13942296513
80
PSLOAD
81
AMUTE
82
ATT
83
POWER
84
PROTECT
85
SP.RELAY
86
LED(STBY)
87
LED(TIMER)
88
PSIN
89
SPEANA
90
MODEL
91
TYPE
92
DPSS
93
A-PH
94,95
KEY3,2
96
AVSS
97
KEY1
98
VREF
99
AVCC(BU)
100
PLL DATA
5. IC controller
5-1 RDS LED driver
Pin No.
Name
www
1
VSS
2
DATA
3
CLOCK
.
4
PTY
5
NC
6
EON
7
NC
CIRCUIT DESCRIPTION
I/O
I
Jog A (S28) input.
I
Jog B (S29) input.
I
Jog B (S29) input.
I
Rotary encoder(S27) input.
O
Clock output to LED controller(IC52,53).
O
Data output to LED controller(IC52,53).
-
u-com power supply(+5v).
O
Deck line mute control.
-
Ground.
I
B deck reel sensor input.
O
Deck A/B changeover control 1.
O
Deck A/B changeover control 2.
O
Play back equalizer control.
O
Muting control for recording.
O
Dolby recording/play back control.
O
Dolby B ON/OFF changeover.
O
Deck recording /play back control.
O
NORMAL/CRO2 changeover.
O
Deck bias control output.
O
Deck beat cancel control output.
O
Deck solenoid control output.
O
Deck motor control output.
0
Deck solenoid control output.
O
Clock output to bias control IC(X28,IC4).
O
Parallel serial IC load.
0
Audio muting control.
O
E. volume attenuation output.
O
Power relay control.
I
Protection detection input.
O
Speaker relay control output.
O
LED(STANDBY) control output.
O
LED(TIMER) control output.
I
Parallel serial IC input data.
I
Music signal input port.
I
Model discrimination input.
I
Discrimination port of tuner destination.
I
Deck DPSS detection input.
I
A deck reel sensor input.
I
A/D key input (key3,2).
-
A/D ground.
I
A/D key input (key1).
-
A/D reference voltage.
-
Analog power supply(+5V).
I
PLL IC data input.
I/O
Description
-
GND
x
ao
I
DATA INPUT
y
I
CLOCK INPUT
i
O
PTY ON/OFF LED
O
NO USED
O
EON INT LED
O
NO USED
RXD-402/452/502/552/572S/A41/A51
8
Description
Q Q
3
6 7
1 3
Pin No.
Name
8
TA
u163
9
TP
10
RDS
.
11~13
NC
14
NEWS
15
NC
16
VDD
2 9
9 4
2 8
Active
H :70u
H : recording
H : on
H : recording
H : on
H : on
H : on
H : on
H : on
1 5
0 5
8
2 9
9 4
H : shift
H : off
H : off
H : on
H : protection on
H : on
H : on
H : on
H :XD-502
m
I/O
Description
O
TA ON/OFF LED
co
O
TP ON/OFF LED
O
RDS ON/OFF LED
O
NO USED
O
NEWS ON/OFF LED
O
NO USED
-
+5V POWER SUPPLY
9 9
L :120u
L : playback
L : off
L : playback
L : off
L : off
L : off
L : off
L : off
2 8
9 9
L : load
L : on
L : on
L : off
L : off
L : off
L : off
L : off
L :XD-402
9

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