JVC KS-F160 Service Manual page 19

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3.Description
Pin
Symbol
No.
1
XIN
2
GND
3
J BUS SI
4
J BUS SO
5
J BUS SCK
6
J BUSI/O SEL
7
NC
8
LCD SO
9
LCD SCK
10
LCD CE
11
NC
12
E.VOL SO
13
E.VOL SCK
14
NC
15
TUNER ILLUM
16
TAPE ILLUM
17
CD ILLUM
18
DIMMER OUT
19
NC
20
NC
21
NC
22
NC
23
NC
TE
L 13942296513
24
NC
25
KS1
26
KS0
27
K3
28
K2
29
K1
30
K0
31
Vdd
32
TEST
33
NC
34
SEEK/STOP
35
MONO
36
RADIO/TAPE
37
BEEP LEVEL
38
POWER CNT
39
Acc
40
NC
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Function
I/O
I Crystal oscillator
- To GND
I Bus serial data input from CP751
O Bus serial data output to CP751
O Bus serial clock output to CP751
O BUS I/O switch signal output
- Non connect
O Serial data output to IC651
O Serial clock output to IC651
O Chip enable output to IC651
- Non connect
O Serial data output
O Serial clock output
- Non connect
- Non connect
- Non connect
- Non connect
- Non connect
- Non connect
- Non connect
- Non connect
- Non connect
- Non connect
- Non connect
- Non connect
O Initializing output port
I Initializing input port
I Initializing input port
- Non connect
I Initializing input port
- Power supply
I Test input
- Non connect
O Output the "If signal request"
O Monaural and stereo change
over output
- Non connect
- Non connect
O Power control output
- Power supply
- Non connect
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8
Pin
Symbol
I/O
No.
41
NC
42
NC
43
NC
44
BEEP
45
NC
46
NC
47
NC
48
TAPE IN
49
F/R SENSE
50
TAPE MUTE
51
SD/ST
52
NC
53
DETACH
54
NC
55
J BUS INT
56
REMOCON
57
FM/AM
58
DOLBY
59
NC
60
MUTE
61
MEMORY DET
Q Q
3 6 7 1 3
62
LEVEL METER
63
SMETER
64
KEY 2
65
KEY1
66
KEY0
67
ACCDET
68
SENS
69
NC
70
FM/AM IF COUNT
71
NC
72
NC
73
Vdd
74
AM OSC
75
FM OSC
76
Vss
77
NC
78
ED
79
TEST 1
80
XOUT
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2 9 9 4 2 8
LC72362N-9920
Function
- Non connect
- Non connect
- Non connect
-
Non connect
-
Non connect
- Non connect
- Non connect
I H:RADIO L:TAPE
I FORWARD/REVERSE switch detector
I
DIR.FF/REW MUTE
I Station detector and ST input
- Non connect
I
Detection of Front Panel
- Non connect
I
BUS interruption signal detection communication
-
To GND
I Change over the FM/AM Input
- Non connect
- Non connect
- The mute time is controlled by the
connected capacitor when changing
over the FM/AM
I Memorydetector input
1 5 0 5 8 2 9 9 4
I
I Signal meter input
I
Mementary key input
I Mementary key input
Mementary key input
I
I ACC DET
- To GND
I Non connect
-
AM/FM Frequency detection
-
Non connect
- Non connect
I
Power supply
I Input the local oscillator signal of AM
- Input the local oscillator signal of FM
- Power supply
O Non connect
- PLL Error signal output
O To GND
Crystal oscillator
m
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KS-F160
9 9
2 8 9 9
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