Parts - Pioneer KEH-1033 Service Manual

5

7.2 PARTS

7.2.1 IC
-Pin Functions(000974490)
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
12 TUNPDO
13 TUNPCK
14 TUNPCE
15-18 NC
19 VST
20 VDT
21 VCK
22-28 NC
29 SD
30
ST
31,32 NC
33 VSS1
34,35 NC
36
SW5V
37
FM/AM
38
TUON
39
SWVDD
40-45 NC
46
TAPEIN
47 NC
48
FFREW
49 PCL
50
F/R
51,52 NC
53 MOTOR
54 SYSPW
55 B.REM
56-59 NC
60
RESET
61,62 NC
63
DSENS
64 NC
65
ASENS
66
BSENS
67 VSS0
68 VDD1
69 X2
70 X1
71 IC
72 XT2
73 TESTIN
74 VDD0
75 AVREF0
76 SL
77 MODELIN
78-80 NC
5
6
I/O Format Function and Operation
Not used
O C A/D converter power supply control output
GND
O C System mute output
Not used
I D/A converter reference voltage terminal
I Key data input
O C Display data output
Not used
I PLL IC data input
O C PLL IC data output
O C PLL IC clock output
O C PLL IC chip enable output
Not used
O C Strobe pulse output for electronic volume
O C Data output for electronic volume
O C Clock output for electronic volume
Not used
I SD signal input
I FM stereo input
Not used
GND
Not used
O N PLL IC power supply control output(5V)
O N FM/AM band select pin"H":AM "L":FM
O N Tuner power supply control output
O N Grille power supply control output(5V)
Not used
I Tape insert sense input
Not used
I FF/REW sense input
O C Clock adjustment output
I Tape direction sense input "H":NOR "L":REV
Not used
O C Motor control output
O C System power output
O C B.Remote ON/OFF output
Not used
I Reset input
Not used
I Grille detach sense input
Not used
I ACC power sense input
I Backup power sense input
GND
Power supply
Crystal oscillator connection pin
I Crystal oscillator connection pin
(GND)
Not used
I Test program mode input
Power supply
I A/D converter reference voltage terminal
I Signal level input
I Distinction input (2.0-3.0V)
Not used
KEH-1033/XM/EW
6
7
7
8
A
B
C
D
E
F
39
8