JVC KD-LX333 Service Manual page 20

Cd receiver
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KD-LX333
QQ
3 7 63 1515 0
UPD784215AGC101 (IC701) : Main micon
1.Pin layout
100 ~ 76
1
~
25
26 ~ 50
2.Pin functions(1/3)
Pin No.
Symbol
1
SW2
2
SW3
3
SW4
4
RST-SW
5
LMO
6
LM1
7
DIM-OUT
8
ILLUM1
9
VDD
10
X2
11
X1
12
VSS
13
XT2
14
XT1
15
TE
RESET
L 13942296513
16
SW1
17
BUS-INT
18
PS2
19
CRUISE
20
NC
21
NC
22
REMOCON
23
AVDD
24
AVREFO
25
TEM1
26
KEY0
27
KEY1
28
KEY2
29
LEVEL
30
NC
31
SQ
32
SM
33
AVSS
34
W-VOL
35
DOT-CNT
36
AVREF
37
BUS-SI
www
38
BUS-SO
39
BUS-SCK
40
STAGE2
41
LCD-DA
42
LCD-SCK
1-20
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75
~
51
I/O
Function
I
CD mechanical switch 2 detection signal input
I
CD mechanical switch 3 detection signal input
I
CD mechanical switch 4 detection signal input
I
Rest switch detection signal input
O
Motor signal control signal output at loading
O
Motor signal control signal output at leject
O
DIMMER pulse control output
O
POWER ON:H,FLAT PANEL:L
-
5V
-
-
-
GND
-
-
I
Reset detection teaminal
I
CD mechanical switch 1 detection signal input
I
J-BUS int
I
POWER SAVE2. Operating together with BACKUP.H input:STOP
I
Pulse signal for CRUISE input(only in 330R)
-
-
I
Remocon input
-
5V
-
5V
I
Temperature detection input
I
Key input 0
I
Key input 1
I
Key input 2
I
Level meter input
-
I
S.QUALITY level input
I
S.METER level input
-
GND
O
Subwoofer volume control analog output
O
Dot matrix contrast adjustment analog output
-
5V
I
J-BUS data input
O
J-BUS data output
x
ao
y
I/O
J-BUS clock input and output
I
H:LX300 L:LX100
.
i
O
Data output to LCD driver
O
Clock output to LCD driver
http://www.xiaoyu163.com
8
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3
6 7
1 3
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.
2 9
9 4
2 8
1 5
0 5
8
2 9
9 4
m
co
9 9
2 8
9 9

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