JVC KD-S680 Service Manual page 23

Cd receiver
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3 7 63 1515 0
TA2147F-X (IC501) : RF amp
1. Pin layout & Block diagram
TE
L 13942296513
2. Pin function
Pin
Symbol
No.
1
Vcc
2
FNI
3
FPI
4
TPI
5
TNI
6
MDI
7
LDO
8
SEL
9
TEBC
10
TEN
11
TEO
12
RFDC
13
GVSW
14
VRO
15
FEO
16
FEN
17
RFRP
18
RFRPIN
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19
RFGO
20
RFGC
21
AGCIN
.
22
RFO
23
RFN
24
GND
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30 k
180 k
40 pF
I/O
Function
-
3.3V power supply pin
I
Main-beam amp input pin
I
Main-beam amp input pin
I
Sub-beam amp input pin
I
Sub-beam amp input pin
I
Monitor photo diode amp input pin
O
Laser diode amp output pin
I
APC circuit ON/OFF control signal, laser diode control signal input
or bottom/peak detection frequency change pin
I
Tracking error balance adjustment signal input pin
I
Tracking error signal generation amp negative-phase input pin
O
Tracking error signal generation amp output pin
O
RF signal peak detection output pin
I
AGC/FE/TE amp gain change pin
O
Reference voltage output pin
O
Focus error signal generation amp output pin
I
Focus error signal generation amp negative-phase input pin
O
Signal amp output pin for track count
I
Signal generation amp input pin for track count
O
RF signal amplitude adjustment amp output pin
x
ao
u163
I
RF amplitude adjustment control signal input pin
y
I
RF signal amplitude adjustment amp input pin
i
O
RF signal generation amp output pin
I
RF signal generation amp input pin
-
GND pin
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2 9
8
10 pF
40 k
1.3 V
40 k
60 A
Q Q
3
6 7
1 3
1 5
co
.
9 4
2 8
10 pF
0 5
8
2 9
9 4
2 8
m
KD-S680
9 9
9 9
1-23

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