Parts - Pioneer DEH-2790MP/XN/ID Service Manual

1

7.2 PARTS

7.2.1 IC
- Pin Functions(PE5447A)
A
Pin No. Pin Name
1 MODEL1
2, 3 NC
4 AVSS
NC
5, 6
7 AVREF1
8 KYDT
9 DPDT
10 ADPW
11 TUNPDI
12 TUNPDO
B TUNPCK
13
14 PCL
15 TESTIN
16 BSI
17 BDATA
18 BSCK
19, 20 NC
swvdd
21
22 ILMPW
23 NC
24 XRST
25 XA0
C
26 XSTB
27 XTALEN
CONT
28
29 LOEJ
30 CLCONT
31 NC
32 DALMON
33 VSS
brst
34
brxen
35
36 NC
37 ROMDATA
D
38 ROMCLK
39 ROMCS
RECEIVE
40
41 VDCONT
42 NC
43 SYSPW
44, 45 NC
46 STRKEY2
47 NC
MUTE
48
49 ANTPW
50 NC
E
51 VST
52 VDT
53 VCK
54 NC
TUNPCE2
55
56 TUNPCE
57 RDT
58 RDSLK
59 RDS57K
60 RESET
61 LDET
F
56
1
2
I/O Function and Operation
Model select input
I
Not used
GND
Not used
VDD
Display microcomputer data input
I
O Display microcomputer communication data output
A/D converter power supply output
O
I PLL data input
O PLL data output
O PLL clock output
O Clock adjustment output
Test program input
I
I P-BUS serial data input
P-BUS serial data output
O
I/O P-BUS serial clock input/output
Not used
O Display microcomputer chip select output
O Illumination power output
Not used
O CD LSI reset control output
O CD LSI command data control output
O CD LSI strobe output
O CD LSI ceramic oscillator oscillation output
Driver output
O
O Load/eject output
Driver control output
O
Not used
O Output for dark current reduction circuit
GND
O B-PUS reset signal output
P-BUS reception enable signal input/output
I/O
Not used
ROM collection data output
O
O ROM collection clock output
O ROM collection chip select output
O RDS decoder receiving output(Not used)
O VD output
Not used
O System power output
Not used
I Wired remote control input
Not used
O System mute output
O Auto antenna control output
Not used
O E.VOL strobe output
O E.VOL data output
O E.VOL clock output
Not used
PLL chip enable output 2
O
O PLL chip enable output
RDS LK input(Not used)
I
I RDS clock input(Not used)
I RDS 57K input(Not used)
Reset
I PLL lock detection input
DEH-2790MP/XN/ID
2
3
3
4
4