38
KEH-P424,P4700,P4750
-
Pin Functions (PD4915A): KEH-P424/X1M/UC)
(PD4917A): KEH-P4700/X1M/UC, P4750/X1M/ES)
Pin No.
Pin Name
I/O
Format
Function and Operation
1
ASENBO
O
C
Slave power supply control output
2
NC
Not used
3
ADPW
O
C
A/D converter power
4
AVSS
A/D GND
5
FIEOUT
Not used
6
st
I
FM stereo input
7
AVREF1
(Connect to VDD)
8
KYDT
I
Key data input
9
DPDT
O
C
Display data output
10
swvdd
O
C
Key board unit power supply control output
11
TUNPD1
I
PLL IC data input
12
TUNPD0
O
C
PLL IC data output
13
TUNPCK
O
C
PLL IC clock
14
TUNPCE
O
C
PLL IC chip enable
15,16
NC
Not used
17
TX
O
C
IP BUS data output
18,19
NC
Not used
20
DRELAY
O
C
External relay output
21
EORR
Not used
22
EVST
O
C
Electric volume strobe output
23
EVCK
O
C
Electric volume serial clock output
24
EVDT
O
C
Electric volume serial data output
25
LCDPW
Not used
26
DRSYS
O
C
Door system select output
27
DRSENS
I
Door open/close sense input
28
ILPW
O
C
Illumination power
29
FM
O
C
FM power control output
30
AM
O
C
AM power control output
31
NR
O
C
NR output
32
CM
O
C
Cassette mechanism capstan motor control output
33
VSS
GND
34
SC2
O
C
Cassette mechanism sub motor control output
35
SC1
O
C
Cassette mechanism sub motor control output
36
MS
I
Cassette mechanism MS sense input
37
NC
Not used
38
mtl
I
Cassette mechanism tape select input
39
dled
O
N
Alarm LED output
40
n
/R
O
C
Normal reverse output
41
PLAY
O
N
Tape MS filter select output
42
loadsw
I
Tape loading input
43
POS
I
Cassette mechanism position sense input
44
RES
I
Cassette mechanism reverse end sense input
45
PEE
O
C
Beep tone output
46
NES
I
Cassette mechanism forward end sense input
47
NC
Not used
48
STBY
O
C
Stand-by output
49–52
NC
Not used
53
SD
I
SD input
54
mute
O
C
System mute output
55
SYSPW
O
C
System power supply control output
56–59
NC
Not used
60
reset
I
Reset input
61
RX
I
IP BUS data input
62
NC
Not used
63
dsens
I
Grille detach sense
64
isens
Not used
65
asens
I
ACC power sense input
Summary of Contents for KEH-P424
Page 4: ...4 KEH P424 P4700 P4750 Fig 2 2 2 EXTERIOR ...
Page 9: ...9 KEH P424 P4700 P4750 5 6 7 8 A B C D 5 6 7 8 A b A Fig 4 POWER AMP ...
Page 10: ...10 KEH P424 P4700 P4750 A 1 2 3 4 B C D 1 2 3 4 A B A a A a A b ...
Page 11: ...11 KEH P424 P4700 P4750 5 6 7 8 A B C D 5 6 7 8 C D E F Fig 5 A a A a A b C ...
Page 12: ...12 KEH P424 P4700 P4750 A 1 2 3 4 B C D 1 2 3 4 POWER AMP A a A b A b ...
Page 13: ...13 KEH P424 P4700 P4750 5 6 7 8 A B C D 5 6 7 8 Fig 6 A b A a A b ...
Page 15: ...15 KEH P424 P4700 P4750 5 6 7 8 A B C D 5 6 7 8 B Fig 7 ...
Page 16: ...16 KEH P424 P4700 P4750 A 1 2 3 4 B C D 1 2 3 4 3 3 CASSETTE MECHANISM MODULE A D D ...
Page 17: ...17 KEH P424 P4700 P4750 5 6 7 8 A B C D 5 6 7 8 E F Fig 8 D E F ...
Page 19: ...19 KEH P424 P4700 P4750 5 6 7 8 A B C D 5 6 7 8 B D CN251 CN901 SY Fig 9 SIDE A D B A ...
Page 20: ...20 KEH P424 P4700 P4750 A 1 2 3 4 B C D 1 2 3 4 A A TUNER AMP UNIT ...
Page 21: ...21 KEH P424 P4700 P4750 5 6 7 8 A B C D 5 6 7 8 Fig 10 A SIDE B ...
Page 25: ...25 KEH P424 P4700 P4750 1 2 3 4 A B C D 1 2 3 4 Fig 14 B B SIDE B FM AM TUNER UNIT ...
Page 37: ...37 KEH P424 P4700 P4750 7 GENERAL INFORMATION 7 1 PARTS 7 1 1 IC TDA7384 TDA7386 PM2006A ...
Page 41: ...41 KEH P424 P4700 P4750 7 1 2 DISPLAY CAW1477 Fig 21 COMMON SEGMENT ...
Page 43: ...43 KEH P424 P4700 P4750 7 3 BLOCK DIAGRAM KEH P424 X1M UC Fig 24 D C B E A F ...
Page 50: ......
