General Information; Parts - Pioneer KEX-M8186ZT/ES Service Manual

7. GENERAL INFORMATION

7.1 PARTS

7.1.1 IC
- Pin Functions (PD4992A)
Pin No. Pin Name
1 FAD
2 MAIN
freq
3
4 AVSS
5 VOUT
6 PCE
7 AVREF1
8 PDI
9 PDO
10 PCK
11 EDI
12 EXDO
13 EXCK
14 NC
15 LCE1
linh
16
17 RDT
18 RCK
19 ECE
20-24 KST0-4
25-26 NC
27-30 KD0-3
MSIN
31
32 FOREW
33 VSS
34 PLAY
mtl
35
36 LOAD
37 POS
38 RES
39 NES
40 SC2
41 SC1
42 CM
stby
43
44 TAPPWR
45 PEE
46 CDTPPW
47 VST
48 VCK
49 VDT
50 SYSMUT
51 SYSPW
52 TUMUT
53 SWDVDD
rdsen
54
ippwr
55
56 IPDO
57 IPDI
rdsrst
58
59 RDSSEL
reset
60
I/O Format
I
I
O C
O C
I
O C
O C
I
O C
O C
O C
O C
I/O C
I/O C
O C
O C
I
I
O C
O C
I
O C
I
I
I
O C
O C
O C
O C
O C
O C
O C
O C
O C
O C
O C
O C
O C
O C
O C
O C
I
O C
O C
KEX-M8186ZT,M8186ZT-91
Function and Operation
A/D converter input from FADER volume
A/D converter input from FADER volume
Switch control terminals for the broadcast station name
display and frequency display
A/D GND
Volume output
Chip enable output for PLL IC
A/D converter reference voltage
Data input from PLL IC
Data output for PLL IC
Serial clock output for PLL IC
Data input from EP ROM
Data output for external IC
Clock output for external IC
Not used
Chip enable output pin for LCD driver
Inhibit output for LCD driver
Data input/output to RDS control IC
Clock input/output to RSD control IC
Chip enable output for EEPROM
Key strobe output
Not used
Key return input
Cassette mechanism MS sense input
Cassette mechanism head forward/reverse select output
GND
MS gain select output
Cassette mechanism tape select input
Loading motor LOAD control
Cassette mechanism position sense input
Cassette mechanism reverse end sense input
Cassette mechanism forward end sense input
Cassette mechanism sub motor control output
Cassette mechanism sub motor control output
Cassette mechanism capstan motor control output
Cassette mechanism driver stand-by output
Tape power
Beep tone output
"H" output when CD or TAPE mode
Strobe pulse output for electronic volume
Clock output for electronic volume
Data output for electronic volume
System mute
System power supply control output
Tuner mute
Grille power supply control output
Enable output for RDS IC
AP power
IP driver data output
IP Driver data input
Reset output for RDS IC
Select output for RDS IC
Reset input
51