General Information - Pioneer PDA-4003 Service Manual

7. GENERAL INFORMATION

7.1 IC
PST9228N (IC14: DOWN CONVERTER ASSY)
Reset IC
Pin Assignment (Top view)
1
TC
SUB 2
GND 3
Block Diagram
Vcc 5
PD5586 (IC27: DOWN CONVERTER ASSY)
TV Control Microcomputer
Pin Assignment (Top view)
p17/ SRDDY (REM OUT)
Not used
Pin Function
No. Pin Name
5 1
Vcc
2
3
4
4
VOUT
5
1
TC
1
p16/ SCLK 2
p15/ TXD
3
p14/ RXD
4
p13/ T1
5
p12/ T0
6
p11
7
p10
8
p23/IN3
9
p22/IN2
10
p21/ IN1
11
p20/ IN0
12
VIN
13
XIN
14
XOUT
15
16
Vss
¶ The information shown in the list is basic information and may
not correspond exactly to that shown in the schematic diagrams.
Description
TC T Control
PLH
Substrate ∗
SUB
GND GND
VOUT Reset Signal Output
Vcc Vcc/Voltage Detect
4
VOUT
3
GND
2
SUB
(substrate)
32 p07
31 p06
30 p05
29 p04
p03
28
p02
27
26 p01
p00
25
p41
24
p40
23
p33/ CNTR1
22
p32/ CNTR0
21
p31/ INT1 (REM IN)
20
p30/ INT0 (FACT SW)
19
RESET
18
17
Vcc
PDA-4003
∗ Connected to GND.
Not used
21