Kenwood RXD-402 Service Manual page 9

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

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