Microcomputer's Terminal Description - Kenwood KTC-V500E Service Manual

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KTC-V500E/N/P

MICROCOMPUTER'S TERMINAL DESCRIPTION

(X25-) IC800 : SYSTEM u-COM
PORT
PORT NAME
No.
1
DIV
-
2-4
DK
5
6
IF
7
BG
-
8
VDD
9
10
X2
11
X1
12
VSS
-
13,14
15
RESET
SC-CON
16
17
MC-REQ
B.U.
18
19
P.ON
-
20,21
22
REF.CON
23
AVDD
24
AVREF 0
25
SD
S-METER
26
-
27-32
33
AVSS
-
34,35
36
AVREF 1
37
FLASH 1
38
FLASH 2
39
FLASH 3
-
40-43
44
SC REQ
MC DATA
45
46
SC DATA
47
MC CLK
-
48
49
L2
50
AM/FM
-
51,52
53
TYPE 1
-
54-58
PLL-DATA
59
PLL-CLK
60
PLL-ENB
61
62
TV/V MUTE
-
63-71
72
VSS
-
73-78
79
SP MUTE
-
80
81,82
VDD
-
83-86
87
TIME
88-93
94
TEST
-
95-98
99
SCL
SDA
100
4
I/O
FUNCTION
O
Diversity adjustment mode (Test mode).
-
-
O IF switch (When state of PAL-D).
IF switch (Group 3 when state of PAL-I).
O
IF switch (Group 1/2 when state of PAL-B/G) .
O
-
-
-
5V power supply.
-
Main system clock oscillation (12.28MHz) .
-
Main system clock oscillation (12.28MHz) .
-
GND.
-
-
-
System reset.
I
Communication between panel and box.
I
Communication between panel and box.
I
Back-up detection.
O Power-on.
-
-
O A/D converter reference voltage.
-
A/D converter analogue power supply.
-
A/D converter reference voltage.
I
SD.
I
S-meter.
-
-
-
GND.
-
-
-
Analogue reference voltage.
O Flash 1.
O Flash 2.
O Flash 3.
-
-
O Communication request in panel.
I
Communication data in panel.
O Communication data in panel.
I
Communication clock in panel.
-
-
O Video reception switch (Only in France) .
O AM/FM audio reception switch.
-
-
I
Destination switch.
-
-
O PLL data.
O PLL clock.
O PLL enable.
O TV tuner mute / Video mute.
-
-
-
GND.
-
-
O Speaker audio line mute.
-
-
-
Power supply.
-
-
O Waiting configuration for communication
beginning with machro IC.
-
-
VPP voltage for flash memory writing.
-
-
O IC2 clock.
I/O IC2 data.
OPERATING CONDITION
"H" : Adjustment mode on (Diversity forced off).
-
"H" : DK area.
"H" : I area.
"H" : BG area.
-
-
-
-
-
-
"L" : Reset.
-
-
"H" : B.U. OFF.
"L" : B.U. ON.
"H" : P.ON OFF. "L" : P.ON ON.
-
ADC comparator power supply switch.
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
"L" : VHF receiving.
"H" : 2,3,4CH receiving.
"L" : AM (Only in France).
"H" : FM (Without France).
-
"L" : For in Europe.
"H" : For in Japan.
-
-
-
-
"H" : Mute on.
"L" : Mute off.
-
-
-
"L" : Mute on.
"H" : Mute off.
-
-
-
"L" : No waiting.
"H" : 3 seconds waiting.
-
"L" : Usual operation.
"H" : Flash memory writing .
-
-
-

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