Parts - Pioneer KEH-P2033R Service Manual

1

7.2 PARTS

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3 7 63 1515 0
7.2.1 IC
-Pin Functions(000974500)
A
Pin No. Pin Name
1,2 NC
3 ADPW
4 AVSS
5 MUTE
6 NC
7 AVREF1
8 KYDT
9 DPDT
10 NC
11 TUNPDI
B
12 TUNPDO
13 TUNPCK
14 TUNPCE
15 TMUTE
16-18 NC
19 VST
20 VDT
21 VCK
22 NC
23 LOCL
C
24 LOCH
25
CURRQ
26 TUCE2
27 SDBW
TE
L 13942296513
28 NL2
29 SD
30
ST
31,32 NC
33 VSS1
34-36 NC
37
FM/AM
D
38
NC
39
SWVDD
40 NC
41
DRST
42
RDSLK
43,44 NC
45 PEE
46
TAPEIN
47 RDS57K
48
FFREW
49 PCL
E
50
F/R
51 RECEIVE
52 NC
53 MOTOR
54 SYSPW
55 B.REM
56 TX
www
57 RX
58 ASENBO
59 IPPW
60
RESET
F
30
1
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2
I/O Format
O C
O C
I
I
O C
I
O C
O C
O C
O C
O C
O C
O C
O C
O C
O C
O C
I
I
I
I
O N
O N
O C
I
O C
I
I
I
O C
I
O C
O C
O C
O C
O C
I
x ao
y
O C
O C
. i
I
KEH-P2033R/XM/EW
2
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3
8
Function and Operation
Not used
A/D converter power supply control output
GND
System mute output
Not used
D/A converter reference voltage terminal
Key data input
Display data output
Not used
PLL IC data input
PLL IC data output
PLL IC clock output
PLL IC chip enable output
Tuner mute output
Not used
Strobe pulse output for electronic volume
Data output for electronic volume
Clock output for electronic volume
Not used
Local L output
Local H output
Tuner voltage FIX output
EEPROM chip enable output
SD input at NF
Q Q
3 6 7 1 3
RDS noise level input 2
SD signal input
FM stereo input
Not used
GND
Not used
FM/AM band select pin"H":AM "L":FM
Not used
Grille power supply control output(5V)
Not used
RDS reset output
RDS LK input
Not used
Beep tone output
Tape insert sense input
RDS 57kHz pulse count input
FF/REW sense input
Clock adjustment output
Tape direction sense input "H":NOR "L":REV
RDS receive output
Not used
Motor control output
System power output
B.Remote ON/OFF output
IP BUS data output
IP BUS data input
u163
Slave power supply control output
Power supply conrol output for IP BUS interface IC
.
Reset input
3
4
2 9 9 4 2 8
1 5 0 5 8 2 9 9 4
m
co
4
9 9
2 8 9 9