JVC KD-LH7R Service Manual page 40

KD-LH7R
QQ
3 7 63 1515 0
TA2157FN-X(IC601):RF amp
1.Terminal layout
2.Block diagram
13
14
15
16
17
TE
L 13942296513
18
19
20
21
22
23
24
PIN
www
VCTRLPIN
VCC
HiZ
GND
1-40
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eàYGNg u5•ïVþ•Q
24 ~
1 ~
20k 20k
15k
50 A
20k
12k
12k
20k
BOTTOM
PEAK
20k
180k
40pF
3k
3k
SEL TEB
(APC SW) (TE BAL)
x ao
APC ON
-50%
y
. i
APC ON
0%
APC OFF
+50%
(LDO=H)
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8
13
12
PEAK
50k 15k
40k
20k
20k
20k
2k
50k
Q Q
3 6 7 1 3
1k
14k 2k
1.75k
240k
15pF
x0.5
K
x2
240k
15pF
x0.5
1
x2
94k
60k
22k
60k
94k
22k
RFGC
(AGC Gian)
Normal mode
u163
+12dB
Normal mode .
+6dB
CD-RW mode
0dB
2 9 9 4 2 8
12
11
10
9
8
1 5 0 5 8 2 9
7
6
5
4
3
2
1
TEB
m
(TE BAL)
co
(0dB)
(0dB)
(+12dB)
9 9
9 4 2 8 9 9