Parts - Pioneer XV-EV1000 Service Manual

1

7.2 PARTS

7.2.1 IC
• The information shown in the list is basic information and may not correspond exactly to that shown in the schematic diagrams.
A
• List of IC
PDC127A
PDC127A (IFAF ASSY : IC5501)
• System Control Microcomputer
Pin Functions
No. Pin Name
1 DVDON/OFF
2 HPDET
B
3 MICDET
4 ACPULSE
5 (XMUTEC)
6 RDSCLK
7 REMOCON
8 XRESET
9 XT1
10 XT2
11 VSS1
12 CF1
C
13 CF2
14 VDD1
15 SIMUKE
16 MODEL
17 VDET
18 KEY1
19 KEY2
20 KEY3
21 LEVELIN
22 XPROTECT
D
23 DSPDI
24 DSPDO
25 DSPCLK
26 NC
27 LCDDAT
28 LCDCLK
29 DTS_ON/OFF
30 XREADY
31 XHPMUTE
32 XRECMUTE
E
33 B_MUSIC
34 RYR
35 RYFSC
36 B_MOVIE
37 TIMERLED
38 VOCALC
39 VSS4
40 VDD4
F
122
1
2
I/O
O Control power supply for DVD module
I Detect to insert headphone
I
Mic Detection
I AC PULSE input detection (Interruption 0)
O
Mute control for center speaker (Standby)
I Clock input from RDS decoder (Interruption 2, without RDS : Low output)
I REMOCON signal input (Interruption 3)
µ-com reset input
I
−
Subclock (connect to VDD when no use)
−
Subclock (leave open when no use, and set the bit 6 of OCR SFR)
−
−
Main Clock (connect to VDD when no use)
−
Main Clock (leave open when no use)
−
I Destination distinction input
I Model distinction input
I DVD3.3V detection input
I Key1 input
Key2 input
I
I
Key3 input
I Level meter signal input
I Protection and Fan Error detection input
O Data output to DSP (MOTOROLA) and DIR
I Data input from DSP (MOTOROLA)
O Clock output to DSP (MOTOROLA) and DIR
O
O Data for FL(LCD) driver
O Clock for FL(LCD) driver
O Control for DTS
O Chip select for system bus (to DVD module)
O HP MUTE ON/OFF
O
REC OUTPUT MUTE ON/OFF
O Control for LED of BASS MUSIC
O REAR RELAY ON/OFF
O FRONT/SW/CENTER RELAY ON/OFF
O
Control for LED of BASS MOVIE
O Control TIMER LED
O
Control for VOCALC
−
−
2
3
Pin Function
XV-EV1000
3
4
4