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JVC KD-S50 Service Manual page 17

Cd recevier
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3 7 63 1515 0
Symbol
Pin No.
41
CD ON
42
RELAY
43
BLKCK
44
BEEP
45
SW4
46
SW1
47
SW3
48
REST
49
FLOCK
50
TLOCK
51
CD SENSE
52
STATUS
53
P.SAVE2
54
SD/ST
55
REMOCON
56
J BUS INT
57
BAND
58
MONO
59
INFQ/AGC
60
MUTE
61
LEVEL
TE
62
S METER
L 13942296513
63
KEY CHANGE
64
KEY2
65
KEY1
66
KEY0
67
P.SAVE1
68
SENSE
69
NC
70
FM IF COUNT
71
NC
72
NC
73
vdd
74
AM OSC
75
OSC (AM OSC)
76
Vss
77
NC
78
EO
79
TEST1
80
XOUT
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I/O
O
CD 8V supply on ("H"*8V,"_":0V)
O
5V power control
O
Output (L)
O
Output (L)
I
CD mechanism switch 4
I
CD mechanism switch 1
I
CD mechanism switch 3
I
CD pickup rest position
I
Focusing lock detection
I
Tracking lock detection
I
CD LSI sense signal
I
CD LSI status signal
I
Power save 2 :+B off detection
I
Station detection("H"),Stereo indication("L")
I
Remocon input
O
Output(L)
O
FM/AM band selection("H":FM,"L":AM)
O
FM mono selection("H":MONO)
O
During FM auto search,IF request output "H" after SD detected.
During AM auto search,AGC output("H":auto search)
O
Muting switch
I
Level meter input
I
S meter input
I
TEL muting for U version
I
Key 2 data input (AD)
I
Key 1 data input (AD)
I
Key 0 data input (AD)
-
Power save 1, ACC power detect
-
Voltage sense
-
Non connected
-
FM IF counter data input
-
Non connected
-
Non connected
-
5V supply
-
-
FM input frequency
-
Ground
-
Non connected
-
PLL error output signal
-
Connect to ground
-
4.5MHz cystal oscillation
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2 9
8
Function
Q Q
3
6 7
1 3
1 5
co
.
9 4
2 8
LC72366-9A64
0 5
8
2 9
9 4
2 8
m
KD-S50
9 9
9 9
1-17

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