General Information; Parts - Pioneer PD-F1007 Service Manual

PD-F1007

7. GENERAL INFORMATION

7.1 PARTS

7.1.1 IC
PD4997A (IC701: DISPLAY BOARD ASSY)
Display Control Micro-computer
Pin Function
No. Symbol Name I/O
1 VDD VDD –
2 P37 Not used O
3 P36/BUZ Not used O
4 P35/PCL KD5 I
5 P34/TI2 KD4 I
6 P33/TI1 KD3 I
7 P32/TO2 KD2 I
8 P31/TO1 KD1 I
9 P30TO0 KD0 I
10 RESET RESET I
11 X2 X2 –
12 X1 X1 –
13 IC IC –
14 XT2 XT2 –
15 P04/XT1 Not used O
16 VDD VDD –
17 P27/SCK0 Not used O
18 P26/SO0/SB1 Not used O
19 P25/SI0/SB0 Not used O
20 P25/BUSY Not used O
21 P23/STB DREQ O
22 P22/SCK1 DCLK I
23 P21/SO1 KYDT O
24 P20/SI1 DPDT I
25 AVSS AVSS –
26 P17/ANI7
| | Not used O
30 P13/ANI3
31 P12/ANI2 ACRY O
44
Description
+5V
Open
Key data input
CPU reset (L: Reset)
Connected to System clock oscillator
(4.19 MHz)
GND
Not Connect (open)
Only for input: Input of GND
+5V
Open
Completion of transmission setting
to the main microcomputer
Clock input for serial communication
with the main microcomputer
Serial data output to the main micro-
computer
Serial data input from the main micro-
computer
GND
OPEN
Main microcomputer power ON/OFF
¶ The information shown in the list is basic information and may not
correspond exactly to that shown in the schematic diagrams.
No. Symbol Name I/O
32 P11/ANI1 KBDAT I
33 P10/ANI0 Not used O
34 AVDD AVDD –
35 AVREF AVREF –
36 P03/INTP3 DCS I
37 P02/INTP2 KBCLK I
38 P01/INTP0 JOG1 I
39 P00/INTP0/TI0 RMDT I
40 VSS VSS –
41 P74
| | Not used O
44 P71
45 P70 JOG2 I
46 VDD VDD –
47 P127/FIP52 STBL O
48 P126/FIP51 S36
| | | O
54 P120/FIP45 S30
55 P117/FIP44 S29
| | | O
62 P110/FIP37 S22
63 P107/FIP36 S21
| | | O
70 P100/FIP29 S14
71 P97/FIP28 S13
| | | O
78 P90/FIP21 S6
79 VLOAD VLOAD –
80 P87/FIP20 S5
| | | O
84 P84/FIP16 S1
85 P83/FIP15 G16
| | | O
87 P80/FIP13 G14
88 FIP12 G13
| | | O
100 FIP0 G1
Description
Keyboard communication data
transmission and reception
Open
+5V
GND
Serial communication timing input
from the main microcomputer
Keyboard communication data clock
input
JOG input 1
Remote control data input
GND
OPEN
JOG input 2
+5V
STANDBY–LED
Segment output for FL drive
–30V
Segment output for FL drive
DIGIToutput for FL drive