![Pioneer DEH-34 Service Manual Download Page 18](http://html.mh-extra.com/html/pioneer/deh-34/deh-34_service-manual_326962018.webp)
49
DEH-340,3400,34
7.2 PARTS
7.2.1 IC
-
Pin Functions(PE5262A)
Pin No.
Pin Name
I/O
Format
Function and Operation
1
MODEL1
I
Model select input
2,3
NC
Not used
4
AVSS
I
A/D GND
5
ST
I
FM stereo input
6
SD
I
SD input
7
AVREF1
A/D converter reference voltage
8
KYDT
I
Key data input
9
DPDT
O
C
Display data output
10
SDBW
I
SDBW input
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
currq
O
Tuner voltage FIX output
16
LOCL
O
C
Local L output
17
NC
Not used
18
fm
/AM
O
C
FM/AM power select output
19
NC
Not used
20
FLPILM
O
C
Inside of flap illumination output
21
VDCONT
O
C
VD control output
22
NC
Not used
23
CONT
O
C
Servo driver power supply control output
24
XCE
O
C
CD LSI chip enable output
25
xrst
O
C
CD LSI reset output
26
XPCK
O
C
CD LSI clock output
27-30
XPI0-3
I/O
C
CD LSI data input/output
31
CLCONT
O
C
Driver input select output
32
HOME
I
C
Home position detector input
33
VSS
GND
34
LOEJ
O
C
CD load motor LOAD/EJECT direction exchange output
35
CD5VON
O
C
CD +5V power supply control output
36,37
ROT1-0
I
Rotary encoder data input
38
TELIN
I
Telephone mute input
39
NC
Not used
40
ILMPW
O
C
Illumination power supply control output
41
swvdd
O
C
Keyboard unit power supply control output
42
SYSPW
O
C
System power supply control output
43
VST
O
C
Strobe pulse output for electronic volume
44
mute
O
C
System mute output
45
PEE
O
C
Beep tone output
46
LOCH
O
C
Local H output
47
NC
Not used
48
TUNPCE2
O
C
EEPROM chip enable output
49
PCL
O
C
Clock adjustment output
50
VCK
O
C
Clock output for electronic volume
51
VDT
O
C
Data output for electronic volume
52
ANTPW
O
Antenna output
53
EJECTS
I
Eject key input pin
54
DALMON
O
C
Stand-by output
55–59
NC
Not used
60
reset
I
Reset input
61,62
NC
Not used
63
bsens
I
Back up power sense input
64
asens
I
ACC power sense input
65
dsens
I
Grille detach sense
66
ADPW
O
C
A/D converter power supply output
67
NC
Not used