39
CDX-P1250
Pin No.
Pin Name
I/O
Format
Function and Operation
65–68
A6-A3
O
C
SRAM address bus output
69
A10
O
C
SRAM address bus output
70
A2 & (EPSK)
O
C
SRAM address bus output and (E2PROM clock output)
71
A1 & (EPDI)
O/I
C
SRAM address bus output and (E2PROM data input)
72
A0 & (EPDO)
O
C
SRAM address bus output and (E2PROM data output)
73
NC
Not used
74
ejsw
I
Eject key switch interrupt input
75
mag
I
Magazine lock switch interrupt input
77
NC
Not used
78
I13
O
C
Motor driver control output
79
I2
O
C
Motor driver control output
80
I4
O
C
Motor driver control output
81–88
D0-D7
I/O
C
SRAM data bus
89,90
NC
Not used
91
DSP
I
DISC detect timing input
92
disk
I
Disc detector input
93
ELVPVO
I
Voltage input from ELV position sense
94
ELVREF
I
ELV reference voltage input
95
TRP
I
Tray position input
96
AVSS
I
A/D GND
97
VDIN
Power supply short sensor input
98
VREF
I
A/D converter reference voltage input
99
AVCC
A/D VCC
100
EPCS
I/O
C
E2PROM detect input , Chip select output
*PD5513A
20
21
40
41
60
61
80
1
Format
Meaning
C
C MOS
NM
Middle resistivity
N channel open drain
TC7SH32FU
1 IN B
2 IN A
3 GND
4 OUT Y
5 VCC
1
30
51
80
100
81
50
31
Summary of Contents for CDX-P1250
Page 6: ...6 CDX P1250 2 2 EXTERIOR ...
Page 8: ...8 CDX P1250 2 3 CD MECHANISM MODULE ...
Page 14: ...14 CDX P1250 1 2 3 4 1 2 3 4 D C B A A2 2 A 1 2 SYSTEM CONTROLLER EWmodel UC ESmodel ...
Page 22: ...22 CDX P1250 1 2 3 4 1 2 3 4 D C B A SIDE A B POWER UNIT B CN701 A CORD 4 2 POWER UNIT IP BUS ...
Page 23: ...23 CDX P1250 D C B A 1 2 3 4 1 2 3 4 B POWER UNIT B SIDE B ...
Page 25: ...25 CDX P1250 D C B A 1 2 3 4 1 2 3 4 E 4 5 MOTOR PCB MOTOR PCB E C ...
Page 30: ...30 CDX P1250 Grating waveform 45 0 75 60 30 90 Echt Xch 20mV div AC Fcht Ych 20mV div AC ...
Page 48: ...48 CDX P1250 7 3 BLOCK DIAGRAM A C D E ...
Page 49: ...49 CDX P1250 B ...
