62
Pin No.
Pin Name
I/O
Description
1
MCAS
–
Not used.
2
MRAS
–
Not used.
3
BUP
–
Not used.
4
AMUTE
O
Output AUDIO MUTE signal.
5
ESK
O
Serial clock output pin for EEPROM interface.
6
EDO
O
Serial data output pin for EEPROM interface.
7
EDI
I
Serial data input pin for EEPROM interface.
8
ECS
O
Output EEPROM chip select signal.
9
NC
–
Not used.
10
RFLCT
I
Input terminal for DISC reflection rate detection SW.
11
NC
–
Not used.
12
LS
I
Input pin for pickup inner-circumference detect switch.
13
LDSW
I
Loading mechanism, EJECT position detect switch input.
14
PBSW
I
Loading mechanism, PB position detect switch input. (Not used)
15
RECSW
I
Loading mechanism, REC position detect switch input.
16 ~ 17
NC
–
Not used.
18
ACOFF
–
Not used.
19
SREQ
I
Input system-computer send request signal for system-computer interface.
20
EXTDIN
O
External digital IN permit signal output.
21
SLOW
O
Loading mechanism speed control signal output.
22
LOAD
O
Loading mechanism operating-direction control signal output 1.
23
EJECT
O
Loading mechanism operating-direction control signal output 2.
24
MREQ
O
Output MD microcomputer send request signal for system-computer interface.
25
DRIVE
O
Output EFM driver ON/OFF signal.
26 ~ 36
NC
–
Not used.
37
MP
–
Connected to VSS.
38
SRST
I
Input MD microcomputer reset signal.
39
DGND
–
Connected to VSS.
40
XTALO
O
Crystal oscillator terminal 1 for system clock oscillator.
41
XTALI
I
Crystal oscillator terminal 2 for system clock oscillator.
42
ARDY
I
Input READY signal for system-computer interface.
43
SIN
I
Input serial data for system-computer interface.
44
SOUT
O
Output serial data for system-computer interface.
45
ACLK
O
Output serial clock for system-computer interface.
46
XLAT
O
Output latch signal for CXD2652AR interface.
47
XRST
O
Output reset signal for CXD2652AR.
48
XSTBY
O
Output standby signal for CXA2523AR.
49
NC
–
Not used.
50
AVSS
–
Connected to VSS.
51
AVREF
–
Connected to VDD.
52
AVDD
–
Connected to VDD.
IC, CXP81952M-547R
Summary of Contents for CSD-MD50
Page 16: ...18 17 FL 16 ST 32GNK GRID ASSIGNMENT ANODE CONNECTION...
Page 17: ...20 19 BLOCK DIAGRAM 1 MAIN...
Page 18: ...22 21 BLOCK DIAGRAM 2 SYSTEM CONTROL...
Page 19: ...24 23 BLOCK DIAGRAM 3 MD...
Page 20: ...1 2 3 4 5 6 7 8 9 10 11 12 13 14 A B C D E F G H I J K 26 25 WIRING 1 MAIN...
Page 21: ...28 27 SCHEMATIC DIAGRAM 1 TUNER...
Page 22: ...30 29 SCHEMATIC DIAGRAM 2 DECK...
Page 23: ...32 31 SCHEMATIC DIAGRAM 3 MAIN...
Page 24: ...1 2 3 4 5 6 7 8 9 10 11 12 13 14 A B C D E F G H I J K 34 33 WIRING 2 SYSTEM CONTROL CD...
Page 25: ...36 35 SCHEMATIC DIAGRAM 4 SYSTEM CONTROL...
Page 26: ...1 2 3 4 5 6 7 8 9 10 11 12 13 14 A B C D E F G H I J K 38 37 WIRING 3 FL KEY...
Page 27: ...40 39 SCHEMATIC DIAGRAM 5 CD...
Page 28: ...1 2 3 4 5 6 7 8 9 10 11 12 13 14 A B C D E F G H I J K 42 41 WIRING 4 POWER...
Page 29: ...44 43 SCHEMATIC DIAGRAM 6 FL KEY POWER...
Page 31: ...48 47 SCHEMATIC DIAGRAM 7 MD...
Page 54: ...72 IC BLOCK DIAGRAM IC BA5970FP IC BA6417F...
Page 55: ...73 IC BD7910FV IC BH3862FS...
Page 56: ...74 IC AK4519VF IC AK93C65AF...
Page 57: ...75 Rog CURRENT DETECTOR TERMINAL IC BA5936 IC LC75710NE...
Page 58: ...76 VSSX VSSD VDD VSSA IC TC74HCT7007AF IC LC72121...