Pioneer DEH-3400 Service Manual - Page 18

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Pioneer DEH-3400 Service Manual

7.2 PARTS

7.2.1 IC
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Pin Functions(PE5262A)
Pin No.
Pin Name
1
MODEL1
2,3
NC
4
AVSS
5
ST
6
SD
7
AVREF1
8
KYDT
9
DPDT
10
SDBW
11
TUNPDI
12
TUNPDO
13
TUNPCK
14
TUNPCE
currq
15
16
LOCL
17
NC
fm/AM
18
19
NC
20
FLPILM
21
VDCONT
22
NC
23
CONT
24
XCE
xrst
25
26
XPCK
27-30
XPI0-3
31
CLCONT
32
HOME
33
VSS
34
LOEJ
35
CD5VON
36,37
ROT1-0
38
TELIN
39
NC
40
ILMPW
swvdd
41
42
SYSPW
43
VST
mute
44
45
PEE
46
LOCH
47
NC
48
TUNPCE2
49
PCL
50
VCK
51
VDT
52
ANTPW
53
EJECTS
54
DALMON
55–59
NC
reset
60
61,62
NC
bsens
63
asens
64
dsens
65
66
ADPW
67
NC
I/O
Format
Function and Operation
I
Model select input
Not used
I
A/D GND
I
FM stereo input
I
SD input
A/D converter reference voltage
I
Key data input
O
C
Display data output
I
SDBW input
I
PLL IC data input
O
C
PLL IC data output
O
C
PLL IC clock output
O
C
PLL IC chip enable output
O
Tuner voltage FIX output
O
C
Local L output
Not used
O
C
FM/AM power select output
Not used
O
C
Inside of flap illumination output
O
C
VD control output
Not used
O
C
Servo driver power supply control output
O
C
CD LSI chip enable output
O
C
CD LSI reset output
O
C
CD LSI clock output
I/O
C
CD LSI data input/output
O
C
Driver input select output
I
C
Home position detector input
GND
O
C
CD load motor LOAD/EJECT direction exchange output
O
C
CD +5V power supply control output
I
Rotary encoder data input
I
Telephone mute input
Not used
O
C
Illumination power supply control output
O
C
Keyboard unit power supply control output
O
C
System power supply control output
O
C
Strobe pulse output for electronic volume
O
C
System mute output
O
C
Beep tone output
O
C
Local H output
Not used
O
C
EEPROM chip enable output
O
C
Clock adjustment output
O
C
Clock output for electronic volume
O
C
Data output for electronic volume
O
Antenna output
I
Eject key input pin
O
C
Stand-by output
Not used
I
Reset input
Not used
I
Back up power sense input
I
ACC power sense input
I
Grille detach sense
O
C
A/D converter power supply output
Not used
DEH-340,3400,34
49