Yamaha CDC-697 Service Manual page 24

CDC-697
Pin Pin function
61 ANI7/P27
62 ANI6/P26
63 ANI5/P25
64 ANI4/P24
65 ANI3/P23
66 ANI2/P22
67 ANI1/P21
68 ANI0/P20
69 P130
70 P04//SCK11
71 P03/SI11
72 P02/SO11
73 P01/TI010/TO00
74 P00/TI000
75 P145/STB0
76 P144/SOA0
77 P143/SIA0
78 P142//SCKA0
79 P141/BUZ/BUSY0/INTP7
80 P140/PCL/INTP6
Key input(A-D) pull-up resistance 10 k-ohms
Ohm
V
Key0 (63pin ANI5) PLAY/PAUSE
Key1 (62pin ANI6) OPEN/CLOSE
24
Function Signal name
ANI7 /PDN
ANI6 KEY1
ANI5 KEY0
P24
P23 CLOSE
P22 OPEN
P21 CL_DOWN
P20 CL_UP
P130 /STAN
SCK11 MCLK
SI11 SENSE
SO11 MDATA
P01
P00
P145
P144 STAT
SIA0 SUBC
SCKA0 SBCK2
P141
INTP6 BLKCK
0 + 1.2k
– 0.26 – 0.75
DISC 1
PLAYXCHANGE
Detail of function
Power down detect
Front Panel Key A/D 1
Front Panel Key A/D 0
CLOSE
OPEN
CLAMP drive down
CLAMP drive up
AN4801 Standby
MN35511, M66003 command clock
MN35511 SENSE input
MN35511, M66003 command data
MN35511 status signal
MN35511 sub-code input
MN35511 sub-code data read clock
MN35511 sub-code block
+ 1.2k + 1.8k
– 1.22 – 1.76
DISC 2 DISC 3
STOP SKIP+/SEARCH+
Port type I/O
CMOS I
CMOS I
CMOS I
CMOS OL
CMOS O
CMOS O
CMOS O
CMOS O
CMOS O
CMOS SCKO
CMOS SI
CMOS SO
CMOS OL
CMOS OL
CMOS OL
CMOS I
CMOS SI
CMOS SCKO
CMOS OL
CMOS I
+ 2.7k + 3.3k
– 2.28 – 2.75
DISC 4 DISC 5
SKIP-/SEARCH- –