JVC KS-FX925R, Руководство по обслуживанию

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KS-FX925R
1-22
Pin No.
Port Name I/O Descriptions
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
KEY 0
KEY 1
KEY 2
LEVEL
SM
SQ
LCDCE
LCDDA
LCDCK
BUSI/O
OPEN
BUSSI
BUSSO
BUSSCK
NC
NC
NC
NC
INLOCK
NC
GNDPORT
VDDPORT
NC
AFCK
MONO
FM/AM
SEEK/STOP
NC
IFC
VDDPLL
FMOSC
NC
GNDPLL
AMEO
FMEO
IC
SD/ST
STAGE0
NC
MOTOR
I
I
I
I
I
I
O
O
O
I
I
I
O
I/O
-
-
-
-
-
-
-
-
-
O
O
O
O
-
I
-
I
-
-
O
O
-
I
I
-
O
Key input 0
Key input 1
Key input 2
Level meter input
S.meter level input
S.Quality level input
CE output to LCD driver
Data output to LCD driver
Clock output to LCD driver
I/O selector output for J-BUS, H : OUT, L: INPUT
Door open detect input
J-BUS Data input
J-BUS Data output
J-BUS Clock in/output
Non connect
Non connect
Non connect
Non connect
Non connect
Non connect
Port GND
Port Vdd
Non connect
AF check output, L: AF check
Monaural on /off selecting output, H:mono on
FM/AM switching output L : FM H : AM
Auto seek /stop selecting output, H: Seek, L:Stop
Non connect
FM/AM midle frequency counter input
PLL Vdd
FM/AM limited generator frequency input
None connect
PLL GND
AM error out output
FM error out output
GND
Station detector, Stereo signal input, H:Find Station, L:Stereo
Pull up
Non connect
Main motor output
UPD178018AGC624 (IC701) : CPU
1. Pin layout
2. Pin function
1
20
60
41
21 ~ 40
80 ~ 61
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