Pioneer DEH-340 Service Manual - Page 18

Parts, 2.1 Ic - clock

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DEH-340,3400,34 7.2 PARTS 7.2.1 IC - Pin Functions(PE5262A) Pin No. Pin Name I/O 1 MODEL1 I 2,3 NC 4 AVSS I 5 ST I 6 SD I 7 AVREF1 8 KYDT I 9 DPDT O 10 SDBW I 11 TUNPDI I 12 TUNPDO O 13 TUNPCK O 14 TUNPCE O 15 currq O 16 LOCL O 17 NC 18 fm/AM O 19 NC 20 FLPILM O 21 VDCONT O 22 NC 23 CONT O 24 XCE O 25 xrst O 26 XPCK O 27-30 XPI0-3 I/O 31 CLCONT O 32 HOME I 33 VSS 34 LOEJ O 35 CD5VON O 36,37 ROT1-0 I 38 TELIN I 39 NC 40 ILMPW O 41 swvdd O 42 SYSPW O 43 VST O 44 mute O 45 PEE O 46 LOCH O 47 NC 48 TUNPCE2 O 49 PCL O 50 VCK O 51 VDT O 52 ANTPW O 53 EJECTS I 54 DALMON O 55-59 NC 60 reset I 61,62 NC 63 bsens I 64 asens I 65 dsens I 66 ADPW O 67 NC Format C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C Function and Operation Model select input Not used A/D GND FM stereo input SD input A/D converter reference voltage Key data input Display data output SDBW input PLL IC data input PLL IC data output PLL IC clock output PLL IC chip enable output Tuner voltage FIX output Local L output Not used FM/AM power select output Not used Inside of flap illumination output VD control output Not used Servo driver power supply control output CD LSI chip enable output CD LSI reset output CD LSI clock output CD LSI data input/output Driver input select output Home position detector input GND CD load motor LOAD/EJECT direction exchange output CD +5V power supply control output Rotary encoder data input Telephone mute input Not used Illumination power supply control output Keyboard unit power supply control output System power supply control output Strobe pulse output for electronic volume System mute output Beep tone output Local H output Not used EEPROM chip enable output Clock adjustment output Clock output for electronic volume Data output for electronic volume Antenna output Eject key input pin Stand-by output Not used Reset input Not used Back up power sense input ACC power sense input Grille detach sense A/D converter power supply output Not used 49

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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