Kenwood KDC-MPV5025 Service Manual page 6

KDC-MPV5025/MPV525
KDC-MPV7026/WV6027
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MICROCOMPUTER'S TERMINAL DESCRIPTION
3 7 63 1515 0
Pin No. Pin Name
R DATA
12
Not used
13 L CE
14 VILL DATA
15 VILL CLK
16 DSI
17 Not used
18 TEST
19 ILL CON
20 VOL A
21 VOL B
22 MOSW
23 LO/EJ
TE
24 M STOP
L 13942296513
25 M RST
26 MUTE
27 LOE/LIM SW
28 M-MUTE L
29 M-MUTE R
30 PANEL 5V
31 RESET
32 XT1
33 XT2
34 REGC
35 X2
36 X1
37 VSS
38 VDD
39 CLKOUT
40 IC2 TYPE1
41 IC2 TYPE0
42~44 TYPE2~TYPE0
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45 CD MECHA+B I/O
46 SW5V
.
47,48 PS2-0, PS2-1
49~51 PS1-0~PS1-2
6
I/O Application
I RDS decoder DATA input terminal
O Destination other than E and E2
O CE output terminal for LCD driver
I/O D/A converter DATA output terminal for V-ILL
I/O D/A converter CLK output terminal for V-ILL
EJECT KEY ILL, GUIDE ILL,
I/O
DSI control terminal
O Non dimmer destination
-
O During FLIP DET ILL+B OFF
I Volume key input
I Volume key input
O CD mechanism MOTOR IC SW
I/O CD mechanism LOADING, EJECT switching
O STOP request to CD mechanism
O Reset output terminal to CD mechanism
I/O MUTE terminal
I CD DOWN SW DET terminal
I MUTE request terminal from CD mechanism
I MUTE request terminal from CD mechanism
I/O Panel 5V control terminal
I
I
I
-
I
I
-
-
-
I E-VOL setting switching terminal
I E-VOL setting switching terminal
I Destination switching terminal
Power supply control terminal for MP3
x ao
y
I/O Control terminal for SW5V
i
O Control terminal for power supply IC
O Control terminal for power supply IC
8
Truth
value table
When panel flippable and when momentary power
down, output L
When panel flippable and when momentary power
down, output L
FLIP-DET "H" and PANEL-DET is "L" : "H" / "L"
FLIP-DET "H" and PANEL-DET is "H" : "L"
During FLIP DET "L" : H
When looking at VOL, also look at FLIPDET
When looking at VOL, also look at FLIPDET
Loading, Eject, Brake : H
STOP, Brake : Hi-Z, Loading : L, Eject : H
Q Q
3 6 7 1 3
Normal : H, Reset : L
Hi-Z : Mute ON, L : Mute OFF
H : Chucking
L : Mute request
L : Mute request
Panel DET : L, Detached, Momentary power down : H
Normal : H, Reset : L
32kHz
32kHz
Connect 1µF condenser to GND
20MHz
20MHz
e
ON : L, OFF : Hi-Z
u163
ON : L, OFF : Hi-Z
.
w
q
2 9 9 4 2 8
Processing Operation Description
1 5 0 5 8 2 9 9 4
m
co
9 9
2 8 9 9