Pioneer CDX-P1250 Service-Handbuch - Seite 39

Blättern Sie online oder laden Sie pdf Service-Handbuch für CD-Spieler Pioneer CDX-P1250 herunter. Pioneer CDX-P1250 50 Seiten. Multi-compact disc player

Seite drucken
Pioneer CDX-P1250 Service-Handbuch
Pin No.
Pin Name
65–68
A6-A3
69
A10
70
A2 & (EPSK)
71
A1 & (EPDI)
72
A0 & (EPDO)
73
NC
ejsw
74
mag
75
77
NC
78
I13
79
I2
80
I4
81–88
D0-D7
89,90
NC
91
DSP
disk
92
93
ELVPVO
94
ELVREF
95
TRP
96
AVSS
97
VDIN
98
VREF
99
AVCC
100
EPCS
*PD5513A
31
21
50
40
I/O
Format
Function and Operation
O
C
SRAM address bus output
O
C
SRAM address bus output
O
C
SRAM address bus output and (E2PROM clock output)
O/I
C
SRAM address bus output and (E2PROM data input)
O
C
SRAM address bus output and (E2PROM data output)
Not used
I
Eject key switch interrupt input
I
Magazine lock switch interrupt input
Not used
O
C
Motor driver control output
O
C
Motor driver control output
O
C
Motor driver control output
I/O
C
SRAM data bus
Not used
I
DISC detect timing input
I
Disc detector input
I
Voltage input from ELV position sense
I
ELV reference voltage input
I
Tray position input
I
A/D GND
Power supply short sensor input
I
A/D converter reference voltage input
A/D VCC
I/O
C
E2PROM detect input , Chip select output
100
80
81
61
TC7SH32FU
Format
C
NM
1 IN B
2 IN A
3 GND
CDX-P1250
Meaning
C MOS
Middle resistivity
N channel open drain
5 VCC
4 OUT Y
39