30
1
2
3
4
1
2
3
4
F
E
D
C
B
A
KEH-P2033R/XM/EW
7.2 PARTS
7.2.1 IC
-
Pin Functions(000974500)
Pin No.
Pin Name
I/O
Format
Function and Operation
1,2
NC
Not used
3
ADPW
O
C
A/D converter power supply control output
4
AVSS
GND
5
MUTE
O
C
System mute output
6
NC
Not used
7
AVREF1
I
D/A converter reference voltage terminal
8
KYDT
I
Key data input
9
DPDT
O
C
Display data output
10
NC
Not used
11
TUNPDI
I
PLL IC data input
12
TUNPDO
O
C
PLL IC data output
13
TUNPCK
O
C
PLL IC clock output
14
TUNPCE
O
C
PLL IC chip enable output
15
TMUTE
O
C
Tuner mute output
16-18
NC
Not used
19
VST
O
C
Strobe pulse output for electronic volume
20
VDT
O
C
Data output for electronic volume
21
VCK
O
C
Clock output for electronic volume
22
NC
Not used
23
LOCL
O
C
Local L output
24
LOCH
O
C
Local H output
25
CURRQ
O
C
Tuner voltage FIX output
26
TUCE2
O
C
EEPROM chip enable output
27
SDBW
I
SD input at NF
28
NL2
I
RDS noise level input 2
29
SD
I
SD signal input
30
ST
I
FM stereo input
31,32
NC
Not used
33
VSS1
GND
34-36
NC
Not used
37
FM/AM
O
N
FM/AM band select pin"H":AM "L":FM
38
NC
Not used
39
SWVDD
O
N
Grille power supply control output(5V)
40
NC
Not used
41
DRST
O
C
RDS reset output
42
RDSLK
I
RDS LK input
43,44
NC
Not used
45
PEE
O
C
Beep tone output
46
TAPEIN
I
Tape insert sense input
47
RDS57K
I
RDS 57kHz pulse count input
48
FFREW
I
FF/REW sense input
49
PCL
O
C
Clock adjustment output
50
F/R
I
Tape direction sense input "H":NOR "L":REV
51
RECEIVE
O
C
RDS receive output
52
NC
Not used
53
MOTOR
O
C
Motor control output
54
SYSPW
O
C
System power output
55
B.REM
O
C
B.Remote ON/OFF output
56
TX
O
C
IP BUS data output
57
RX
I
IP BUS data input
58
ASENBO
O
C
Slave power supply control output
59
IPPW
O
C
Power supply conrol output for IP BUS interface IC
60
RESET
I
Reset input
Summary of Contents for KEH-P2030R
Page 6: ...6 1 2 3 4 1 2 3 4 F E D C B A KEH P2033R XM EW 2 2 EXTERIOR ...
Page 8: ...8 1 2 3 4 1 2 3 4 F E D C B A KEH P2033R XM EW 2 3 CASSETTE MECHANISM ...
Page 17: ...17 5 6 7 8 F E D C B A 5 6 7 8 KEH P2033R XM EW ...
Page 32: ...32 1 2 3 4 1 2 3 4 F E D C B A KEH P2033R XM EW PST3434UL PD6340A ...
Page 37: ...37 5 6 7 8 F E D C B A 5 6 7 8 KEH P2033R XM EW 8 OPERATIONS ...
Page 38: ...38 1 2 3 4 1 2 3 4 F E D C B A KEH P2033R XM EW ...