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Kenwood C929 Service Manual page 5

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MICROCOMPUTER'S TERMINAL DESCRIPTION
(X32-) IC7 : µ-COM
PORT
PORT NAME
No.
53
A5
54
A6
55
A7
56
D0
57
D1
58
D2
59
D3
60
D4
61
D5
62
D6
63
D7
64
A8
65
A9
66
A10
67
A11
68
A12
69
A13
70
A14
71
A15
72
VSS
73
A16
74
A17
TE
L 13942296513
75
DG-CON
76
ELV-ADJ
77
RD
78
WR
79
WAIT
80
-
81
VDD
82
PU-SEL
83
PU-OK
84
SP/LO +
85
SP/LO -
86
ELV+
87
ELV-
88
SRV-SEL
89
SEARCH
90
SLNSA
91
EEP-WR
92
7V/8V
93
NO-SW
94
TEST/VPP
95
B-CS
96
B-RST
97
SDA
www
98
SCL
99
P-ON
100
ARM-SW
.
I/O
FUNCTION
O
Address setting to S-RAM.
O
Address setting to S-RAM.
O
Address setting to S-RAM.
I/O
Data from and to S-RAM.
I/O
Data from and to S-RAM.
I/O
Data from and to S-RAM.
I/O
Data from and to S-RAM.
I/O
Data from and to S-RAM.
I/O
Data from and to S-RAM.
I/O
Data from and to S-RAM.
I/O
Data from and to S-RAM.
O
Address setting to S-RAM.
O
Address setting to S-RAM.
O
Address setting to S-RAM.
O
Address setting to S-RAM.
O
Address setting to S-RAM.
O
Address setting to S-RAM.
O
Address setting to S-RAM.
O
Address setting to S-RAM.
-
GND.
O
Enable control to S-RAM.
O
Enable control to S-RAM.
O
Digital-out control.
I
Mechanism deck height adjustment mode.
O
Reading control to S-RAM.
O
Reading control to S-RAM.
I
WAIT insertion from S-RAM during accessing.
-
-
-
VDD.
I
Laser pick-up type discrimination.
I
Laser pick-up type discrimination.
O
Spindle/Loading control.
O
Spindle/Loading control.
O
Mechanism up/down control.
O
Mechanism up/down control.
I
Servo operating mode.
O
Search play SW.
O
Sled non-felt area on/off.
O
EEP-ROM writing mode.
O
Mechanism driving IC power supply control.
I
Bus number SW.
-
Flash ROM program mode.
O
Bus chip selector.
O
Bus reset.
I/O
EEP-ROM data.
O
EEP-ROM clock.
O
P-ON.
x
ao
u163
y
I
Arm SW.
i
2 9
8
Q Q
3
6 7
1 3
1 5
"H" : Digital out.
"L" : Adjustment mode.
"H" : Made by KENWOOD.
"L" : Made by others.
"H" : The laser pick-up is OK.
"H" : Servo mode.
"L" : Searching.
"L" : Sled non-felt area on.
"H" : EEP-ROM writing mode.
"H" : CH1.
"L" : AVR power on.
co
"H" : Arm SW on.
.
C929
9 4
2 8
OPERATING CONDITION
0 5
8
2 9
9 4
2 8
"L" : CH2.
m
9 9
9 9
5

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