JVC KS-F315, Руководство по обслуживанию

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KS-F315
1-16
LC72362N-9997 (IC701) : System Controller
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
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
XIN
GND
J BUS SI
J BUS SO
J BUS SCK
J BUS I/O SEL
NC
LCD SO
LCD SCK
LCD CE
NC
E.VOL SO
E.VOL SCK
NC
TUNER ILLUM
TAPE ILLUM
CD ILLUM
DIMMER OUT
NC
NC
NC
NC
NC
NC
KS1
KS0
K3
K2
K1
K0
Vdd
TEST
NC
SEEK/STOP
MONO
RADIO/TAPE
BEEP LEVEL
POWER CNT
Acc
NC
NC
NC
NC
BEEP
NC
NC
NC
TAPE IN
F/R SENSE
TAPE MUTE
SD/ST
NC
DETACH
NC
J BUS INT
REMOCON
FM/AM
DOLBY
NC
MUTE
MEMORY DET
LEVEL METER
SMETER
KEY 2
KEY1
KEY0
ACCDET
SENS
NC
FM/AM IF COUNT
NC
NC
Vdd
AM OSC
FM OSC
Vss
NC
EO
TEST 1
XOUT
I
-
I
O
O
O
-
O
O
O
-
O
O
-
-
-
-
-
-
-
-
-
-
-
-
O
I
I
-
I
-
I
-
O
O
-
-
O
-
-
-
-
-
-
-
-
-
I
I
I
I
-
I
-
I
-
I
-
-
-
I
I
I
I
I
I
I
-
I
-
-
-
I
I
-
-
O
-
O
Crystal oscillator
To GND
Bus serial data input from CP751
Bus serial data output to CP751
Bus serial clock output to CP751
BUS I/O switch signal output
Non connect
Serial data output to IC651
Serial clock output to IC651
Chip enable output to IC651
Non connect
Serial data output
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
Initializing output port
Initializing input port
Initializing input port
Non connect
Initializing input port
Power supply
Test input
Non connect
Output the "If signal request"
Monaural and stereo change
over output
Non connect
Non connect
Power control output
Power supply
Non connect
Non connect
Non connect
Non connect
Non connect
Non connect
Non connect
Non connect
H:RADIO L:TAPE
FORWARD/REVERSE switch detector
DIR.FF/REW.MUTE
Station detector and ST input
Non connect
Detection of Front Panel
Non connect
BUS interruption signal detection communication
To GND
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
Memory detector input
Signal meter input
Momentary key input
Momentary key input
Momentary key input
ACC DET
To GND
Non connect
AM/FM Frequency detection
Non connect
Non connect
Power supply
Input the local oscillator signal of AM
Input the local oscillator signal of FM
Power supply
Non connect
PLL Error signal output
To GND
Crystal oscillator
Pin
No.
Symbol
I/O
Function
Pin
No.
Symbol
I/O
Function
1.Terminal Layout
2.Description
- -
41 - 64
24 - 1
25
40
80
64
- -
Description of major ICs