Parts - Pioneer DEH-P2550XM/ES Service Manual

1

7.2 PARTS

7.2.1 IC
- Pin Functions(PE5341C)
A
Pin No. Pin Name
swvdd
1
2-4 NC
5 TESTIN
6 LCDPW
7 TELIN
ejectin
8
9 FLPILM
10 DALMON
reset
11
12 XT2
13 XT1
B
14 VSS
15 X2
16 X1
17 REGOFF
18 REGC
19 VDD
20 ILMPW
21 SYSPW
adpw
22
23 NC
24 IPPW
C
25 NC
26 ROMDATA
27 ROMCLK
28 ROMCS
29-31 NC
tunpce@
32
33 VST
34 VCK
35 VDT
36 ANTPW
37 MUTE
38, 39 NC
D
40 VSS
41 VDD
42 RDS57K
drst
43
rdslk
44
45 RDT
46 DORAON
47-57 NC
58 STRKEY2
59 CDLOEJ
60 CLCONT
E
61 CONT
62 PCL
63 CLAMPSW
64 VDCONT
xsck(TSCK)
65
66 XSI(TSI)
67 XSO(TSO)
68 XAO
xrst
69
xstb
70
71 ASENBO
72 EMUTE
F
73 TEST
74 SL
75 STRKEY1
44
1
2
I/O Format Function and Operation
O C Grille : Chip enable output
Not used
I Test program mode input
O C LCD back light power supply control output
I Telephone mute input
I Eject sense input
I Flap illumination input
I/O C For consumption low-current
I Reset input
Not used
I Clock connection pin
GND
Crystal oscillator connection pin
I Crystal oscillator connection pin
I Regulator operation specification signal
Capacitor for regulator connect pin
Power supply
O Illumination power supply control output
O C System power control output
O C A/D converter power supply control output
Not used
O C Power supply control output for IP BUS interface IC
Not used
O C ROM correction data output
O C ROM correction clock output
O ROM correction chip select output
Not used
O PLL chip enable output2
O E.VOL : Strobe output
O E.VOL : Clock output
O E.VOL : Data output
O Antenna power output
O C System mute output
Not used
GND
Power supply
I 57kHz count pulse input
O C RDS : Decoder reset output
I C RDS : Decoder clock input
O C RDS : Decoder data input
O C TUNER : 3V power supply
Not used
I Steering remote controller input
O C CD : Load Moter Load/Eject output
I CD : Driver input switch output
O C CD : Servo driver power supply control output
O C Clock adjustment
I Clamp SW input
O C CD : VD power control output
O CD LSI clock output
I CD LSI data input
O C CD LSI data output
O C CD LSI command/data control output
O C CD : LSI reset control output
O CD LSI strobe output
O IP-BUS : Slave power supply control output
O E.VOL : Mute control output
GND
I C TUNER : Signal level input
I C Steering remote controller input
DEH-P2550/XM/ES
2
3
3
4
4