Sony WRR-862A, Service Manual, Page: 86 / 96

8-8
WRR-862A/862B
8-8
2
3
4
5
A B C D E F G H
1
RX-74 (1/3), CN-2288 (1/2) RX-74 (1/3), CN-2288 (1/2)
Ref No.
Model
*
:
C103
CE21/U14 4 pF
4 pF
4 pF
CE33/U3032/U4244
CE62/CE67/U6264/
U6668/AU66
L102
39 nH
27 nH
18 nH
C106
15 pF
15 pF
15 pF
12 nH
10 nH
8.2 nH
12 nH
10 nH
8.2 nH
C107
5 pF
5 pF
3 pF
L103 L104 C108
4 pF
4 pF
2 pF
IC101
MAX2640EUT-TG069
CN-2288 (1/2)
RF_2-A
L104
L103
L102
R102
27
R104
27
R101
100
*
*
* * *
*
*
C103
BK1608TS601
FB101
FL101
HF
C108 C106
CL101
CN101
FL102
HF
TB101
C107
R103
33
TB102
C104
220pF
CH
C105
220pF
CH
RF_2-A
GND
RF_1-A
VCC
G6
8
G5
7
G4
6
G3
4
G2
3
FG3
11
FG2
10
OUT
5
FG4
12
G1
2
FG1
9
IN
1
6
4
5
3
2
1
5 4 3 2
1
G6
8
G5
7
G4
6
G3
4
G2
3
FG3
11
FG2
10
OUT
5
FG4
12
G1
2
FG1
9
IN
1
1 2 1 2
CN1953
CN1954
5 4 3 2
2
1 1
2/3
3.1V
0.8V
3.2V
[dB
u
]
0
_
40
_
30
_
10
_
20
+
10
_
50
_
60
_
70
_
80
A
Tuner 1: IC191-21pin
IF-ICDISCRI
OUT HEAD AMP
OUT De-emphasis
(50
u
s OUT)
LPF
OUT Pre-emphasis
(330
u
s OUT)
Expander
OUT De-emphasis
(330
u
s OUT)
Transformer
Priminaly OUTPUT
(Balanced 600
Z
)
IC601-1pin
B C
IC641-1pin IC641-7pin
D E
IC661-1pin
F
IC671-6pin IC671-7pin
G H
T1001-1pin
J
CN1901-2pin (CN-2168 board)
0 dB
u
= 1
u
V (at no load)
0 dB
u
=
_
113 dBm (0 dBm = 1 mW, 50
Z
load)
0 dBm= 0.775Vrms
Note :
• The AF level shows the value when the following reference signal is
supplied to the ANT a and b connectors from a FM SSG.
: RF level input 60 dB
u
,
±
5 kHz deviation at 100 Hz modulation
: RF level input 60 dB
u
,
±
5 kHz deviation at 1 kHz modulation
: RF level input 60 dB
u
,
±
5 kHz deviation at 10 kHz modulation
_
36.7 ( )
_
37.3 ( )
_
37.5 ( )
_
20.4 ( , )
_
20.6 ( )
_
17.5 ( )
_
19.1 ( )
_
32.2 ( )
_
37.8 ( )
_
24.1 ( )
_
1.0
+
6.0 +
6.0
+
6.0
+
6.0
+
6.0
+
6.0
+
9.0
+
9.0
_
23.6 ( )
_
39.6 ( )
_
40.5 ( )
_
58.0 ( )
_
43.5 ( )
_
33.8 ( )
_
43.2 ( )
_
59.3 ( )
_
42.2 ( )
_
57.3 ( )
_
58.0 ( )
_
77.3 ( )
_
23.8 ( )
_
24.1 ( )
_
34.2 ( )
_
23.8 ( )
Clip level
.....
AF level diagram