Parts - Pioneer DEH-1550 XU Service Manual

5

7.2 PARTS

7.2.1 IC
- Pin Functions (PE5330A)
Pin No. Pin Name
1 MODEL1
2,3 NC
4 AVSS
5,6 NC
7 AVREF1
8 KYDT
9 DPDT
adpw
10
11 TUNPDI
12 TUNPDO
TUNPCK
13
PCL
14
15 TESTIN
16 XSI
17 XSO
18 XSCK
19,20 NC
swvdd
21
22 ILMPW
23 NC
24 XRST
25 XA0
26 XSTB
CLAMSW
27
CONT
28
29 LOEJ
30 CLCONT
31 NC
32 DALMON
33 VSS1
34 TELIN
35-39 NC
40 RECIEVE
41 VDCONT
42 NC
43 SYSPW
NC
44
PEE
45
46 KEY2
47 NC
48 MUTE
49 ANTPW
50 NC
51 VST
52 VDT
53 VCK
54 NC
55 TUNPCE2
56 TUNPCE1
57-59 NC
reset
60
LDET
61
5
6
I/O Function and Operation
Model port 1
Not used
A/D GND
Not used
A/D converter reference voltage
I Key data input
O Display data output
A/D converter power supply output
O
PLL IC data input
I
PLL IC data output
O
PLL IC clock output
O
O Clock adjustment output
I Test program mode input
I Serial data input
O Serial data output
O Serial data clock output
Not used
O Keyboard unit power supply control output
O Illumination power supply control output
Not used
CD LSI reset output
O
CD LSI identification control signal output
O
CD LSI strobe output
O
Disc clamp switch output (CD)
O
O Servo driver power supply control output
O CD load motor LOAD/EJECT direction exchange output
O Driver input select output
Not used
O Stand-by output
GND
O Telephone mute output
Not used
Not used
VD control output
O
Not used
System power supply control output
O
Not used
O Beep tone output
I Key data input (Remote control)
Not used
O System mute output
O Antenna output
Not used
O Strobe pulse output for electronic volume
O Data output for electronic volume
O Clock output for electronic volume
Not used
EEPROM chip enable output 2
O
EEPROM chip enable output 1
O
Not used
Reset input
I
I PLL lock sense input
DEH-1550/XU/ES
6
7
7
8
A
B
C
D
E
F
45
8