Download Print this page

JVC KS-FX473R Service Manual page 18

Cassette receiver
Hide thumbs Also See for KS-FX473R:

Advertisement

KS-FX473R/KS-FX470R
QQ
3 7 63 1515 0
UPD178018AGC555 (IC701) : CPU
1. Pin layout
80
1
20
21
2. Pin function
Pin No.
Port Name
1
KEY 0
2
KEY 1
3
KEY 2
4
LEVEL
5
SM
6
SQ
7
LCDCE
8
LCDDA
9
LCDSCK
10
BUSI/O
11
UNLOCK
12
BUSSI
13
BUSSO
14
BUSSCK
15
NC
TE
L 13942296513
16
NC
17
NC
18
NC
19
NC
20
NC
21
GNDPORT
22
VDDPORT
23
AM
24
AFCK
25
MONO
26
FM
27
SEEK/STOP
28
NC
29
IFC
30
VDDPLL
31
FMOSC
32
AMOSC
33
GNDPLL
34
AMEO
35
FMEO
36
IC
www
37
SD/ST
38
STAGE0
39
NC
40
F/R
1-18
http://www.xiaoyu163.com
~
61
60
41
~
40
I/O
I
Key input 0
I
Key input 1
I
Key input 2
I
Level meter input
I
S.meter level input
I
S.Quality level input
O
CE output to LCD driver
O
Data output to LCD driver
O
Clock output to LCD driver
I
I/O selector output for J-BUS, H : OUT, L: INPUT
-
Non connect
I
J-BUS Data input
O
J-BUS Data output
I/O
J-BUS Clock in/output
-
Non connect
-
Non connect
-
Non connect
-
Non connect
-
Non connect
-
Non connect
-
Port GND
-
Port Vdd
O
Non connect
O
AF check output, L: AF check
O
Monaural on /off selecting output, H:mono on
O
FM/AM switching output L : FM H : AM
O
Auto seek /stop selecting output, H: Seek, L:Stop
-
Non connect
I
FM/AM midle frequency counter input
-
PLL Vdd
I
FM/AM limited generator frequency input
-
None connect
-
PLL GND
O
AM error out output
O
FM error out output
-
GND
I
Station detector, Stereo signal input, H:Find Station, L:Stereo
x
ao
y
I
Pull up
-
Non connect
.
i
O
Main motor output
http://www.xiaoyu163.com
8
Descriptions
Q Q
3
6 7
1 3
u163
.
2 9
9 4
2 8
1 5
0 5
8
2 9
9 4
m
co
9 9
2 8
9 9

Advertisement

loading

This manual is also suitable for:

Ks-fx470r