Service manual

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