Kenwood KDV-Z930 Service Manual page 7

Cd-md-ch control dvd receiver
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MICROCOMPUTER'S TERMINAL DESCRIPTION
PinNo.
Pin name
10
REMO
11
NC
12
VFD_LATCH
13
VFD_GCP
14~16 A13~A15
17
VFD_BLK
18
IC/Vpp
19
A5
20~26 A6~A12
27~30 A1~A4
31
RESET
32
XT1
33
XT2
34
REGC
35, 36 X2, X1
37
Vss
38
Vdd
39
CLKOUT
40~42 NC
43
OE
44
CE
45, 46 NC
47~54 AD0~AD7
TE
L 13942296513
55
BVdd
56
BVss
57~64 AD8~AD15
65~68 A16~A19
69
NC
70
A21
71
AVdd
72
AVss
73
AVref
74
SA_F01
75
SA_F02
76
SA_F03
77
SA_F04
78
SA_F05
79
SA_F06
80
LEVEL_M
81~85 KR5~KR1
86
PN_SC_REQ
87
AVCONT
88
PN_SC_CON
89
NC
90
SOURCE
91
BLUE
92
PN_MC_REQ
www
93
KS4
94~96 KS3~KS1
97
PN_SC_DATA
98
PN_MC_DATA
.
99
PN_MC_CLK
100
NC
I/O
I
Remote control signal input
O
Output open.
O
Latch output to VFD driver
O
Luminance gradation control output to VFD driver
O
Address output "A13" ~ "A15" to external ROM
O
Blank output to VFD driver
Test
O
Address output "A5" to external ROM
O
Address output "A6" ~ "A12" to external ROM
O
Address output "A1" ~ "A4" to external ROM
I
Reset input
Resistor connected to GND
OPEN
1 uF connected to GND
Connected to Main X'tal
Connected to GND
Connected to PNL 5 V
OPEN
O
OUTPUT OPEN
O
Output Enable output to external ROM
O
Chip Enable output to external ROM
O
OUTPUT OPEN
I
Data input "AD0" ~ "AD7" from external ROM
Connected to PNL 5 V
Connected to GND
I
Data input "AD8" ~ "AD15" from external ROM
O
Address output "A16" ~ "A19" to external ROM
O
OUTPUT OPEN
O
Address output "A21" to external ROM
Connected to PNL 5 V
Connected to GND
I
Spectrum analyzer signal input (63Hz)
I
Spectrum analyzer signal input (150Hz)
I
Spectrum analyzer signal input (330Hz)
I
Spectrum analyzer signal input (1KHz)
I
Spectrum analyzer signal input (3.3KHz)
I
Spectrum analyzer signal input (10KHz)
I
MIX signal input for level meter
I
Key return "5" ~ "1"
O
Send request output to Main uCOM
O
A/D reference voltage control output
I
Operation control input from Main uCOM
O
Output open.
I
SRC key input
O
Blue LED control output
I
Send request input from Main uCOM
O
Key scan "4"
O
Key scan "3" ~ "1" and Flash uCOM write port
x
ao
u163
y
I
Data input from Main uCOM
O
i
Data output to Main uCOM
I
Clock input from Main uCOM
I
Resistor connected to GND
2 9
8
Description
Q Q
3
6 7
1 3
1 5
co
.
KDV-Z930/Z940/Z960
Z920DVD
9 4
2 8
Processing Operation
Display ON : High. Display OFF : Low.
0 5
8
2 9
9 4
2 8
Operating : High.
Operating : High. (Interrupt input)
ON : High. OFF : Low. (Interrupt input)
LED ON : HI, LED OFF : LO
m
9 9
9 9
7

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