Kenwood RXD-402 Service Manual page 8

Mini hifi component system
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RXD-402/452/502/552/572S/A41/A51
4-3 Pin description of microprocessor: M30622MA-173FP (X13, IC1)
Pin No.
Name
1
S.LEVEL
2
PLL DO
3
SD
4
ST
5
PLL CE
6
RDS DATA
7
PLL CLK
8
BYTE
9
CNVSS
10
XCIN
11
XCOUT
12
RST
13
XOUT
14
VSS
15
XIN
16
VCC(BU)
17
HMI
18
REM
19
RDS CLK
20
SCOR
21
NC
22
CLSW
23
OPEN SW
24
RTL
25
BRKM
26
CLOSE
27
OPEN
28
SQCK
29
SQSO
30
NC
31
FL DATA
32
CE
33
FLCLK
34
FLCS
35
RTR
36
TDSW
37
TUSW
38
PHTR
39
PSSW
40
XRST
41
CD MUTE
42
DC OFF
43
MON
44
LDC
45
SCLK
46
SENS
47
CLOK
48
XLAT
49
DATA
50
EVCLK
51
EVLAT
52
EVDATA
53
A-JOG1
8
CIRCUIT DESCRIPTION
I/O
Description
I
RDS S level input.
I
PLL IC data input.
I
SD detector input.
I
Stereo detector input.
O
PLL IC chip enable.
I
RDS data input.
O
PLL IC clock output.
I
Ground.
-
Ground.
I
Timer clock input(32.768kHz).
O
Timer clock output(32.768kHz).
I
u-com reset signal input.
O
Main clock output(10MHz).
-
Ground.
I
Main clock input(10MHz).
-
No used (+5v).
-
u-com power supply(+5v).
I
Remocon signal input.
I
RDS clock input.
I
Sub code synchronism signal input.
-
No connection.
I
CD load switch (SW3) input port of CD mechanism.
I
CD unload switch (SW3) input port of CD mechanism.
O
Rotary motor opposite direction (CCW) output.
O
Rotary motor brake control.
O
Load motor opposite direction (taking out) output.
O
Load motor positive direction (dragging out) output.
O
CD sub code clock output.
I
CD sub code input.
-
No connection.
O
FL driver data output.
I
Power failure signal input.
O
FL driver clock output.
O
FL driver strobe output.
O
Rotary motor positive direction (CW) output.
I
Traverse down switch (SW1) input port of CD mechanism.
I
Traverse up switch (SW1) input port of CD mechanism.
I
CD photo transistor (Q1) detector input.
Tray position & disc detector switch (SW2) input port of
I
CD mechanism.
O
CD DSP IC reset control.
-
No connection.
O
CD DSP IC power control.
O
Spindle motor (ON/0FF) changeover.
O
Laser ON/OFF signal output.
O
CD sense data read out clock output.
I
CD sense input.
O
CD DSP IC clock.
O
CD DSP IC latch.
O
Data output to DSP IC.
O
Clock output to E. vol(IC2).
O
Latch output to E. vol(IC2).
O
Data output to E. vol(IC2).
I
Jog A (S28) input.
Active
H : normal
L : reset
H : normal
L : reset
H : normal
L brake
H : AC on
L : AC off
H : off
L : on
H : off
L : on
H : on
L : off
H : on
L : off
H : off
L : on

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