Schematic Diagram -Tuner Section - Sony HCD-RV222D Service Manual

5-17. SCHEMATIC DIAGRAM – TUNER Section –
1
TUNER BOARD
A
B
CN082
3P
C
AM 1
ANTENNA
GND
2
FM/AM
FM
3
D
E
F
HCD-RV222D/RV222DL/RV333D/RV333DL/RV555D
• See page 34 for waveform. • See page 65, 67 for IC Block Diagrams.
2 3
IC B/D
G
BPF
I O
IC081
FL081
D082
MC2840-T112-1 IC081
LV23400V-A-TLM-E
30
FM/AM FRONT-END
IF AMP,DET,FM MPX
1
L081
(AM ANTENNA)
D083
MC2840-T112-1
3 4
2 5
1 6
D081
1
DI SVC325-TL-E
C087 R086
0.022 0
4 5
L098 L097
39nH 39nH
29 28 27 26 25 24 23 22 21 20 19 18
2 3 4 5 6 7 8 9 10 11 12 13
C098
33p
C094
0.1
C096
C083
22
0.1
16V
45 45
HCD-RV222D/RV222DL/RV333D/RV333DL/RV555D
6 7
X081
32.768kHz
1
17 16
14 15
R090
C090
100k
1 50V
R089
C089
100k
1 50V
IC B/D
IC082
+5V REG.
R081
33
5 4
C081 R082
C082
100 220
0.1
16V
1 2 3
C097
C085 R083 C084
100
0.1 680 0.1
6.3V
8
CN081
9P
DO
1
CL
2
3 DI
MAIN
CE
4
G BOARD
TUNER
5
(1/3)
GND
6 CN607
(Page 47)
R
7
8 +9V
L
9