Service Manuals, User Guides, Schematic Diagrams or docs for : panasonic Audio SA-DV280 Viewing SGML_VIEW_DATA EU SA-DV280EG SVC msc_02
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SCHEMATIC DIAGRAM-2 : NEGATIVE VOLTAGE LINE : FM SIGNAL LINE
A OPERATION CIRCUIT : POSITIVE VOLTAGE LINE : AM SIGNAL LINE :AUDIO SIGNAL LINE B MAIN CIRCUIT
7.6V
H -10.4V
W501 G
TUNER Lch/C 1 A
TUNER Rch 2 B
R511 R509 R597 C659 R631
A.GND 3 47 47 2.2K 16V10 3.9K
Lch IN 4 A
R512 47 R510 47
Rch IN 5 B
+B(10V) 6 A R598 C660 R632
R564
10.4V
R563
R614
2.7K
R615
2.7K
4.7K
4.7K
2.2K 16V10 3.9K
SUR L 7 B
R941 C202
5.1V SUR R 8 C 0.1
1K
6.3V100
VR901 To S.W D
R203
R204
9
100K
100K
C917
C918
0.01
EVQVBXFK124B
(VOLUME) Z901 SOUND MIC 10
B3RAD0000028 Q902 PROCESSOR -B(-10V)
(REMOTE SENSOR) 11 0V 0V -10.4V
UN411FTA (SH-DV280) V.GND 12 1 2 3 4 5 6 7 8
R962
R961
22K
22K
MUTING CONT. R974 D.GND 13
3 Y1 Y0 Z1 Z0 INH Vss G
3.3V 3.3V 1K CS/ REQ 14
COM B A CLK 15
2 DATA 16
16V10
N
1 2 3
C931
R942
IC201
2.2K
R946 CT GND 17 B
1K A B C SH FL1 E
BU4053BCFE2
7.6V
1 0V 18 SIGNAL SELECTOR
1000P
SH FL2 19 F
C909
SYNC 20 G
R945
R943
100
100
VDD X1 X0 A B C
D E A 16 15 14 13 12 11 10 9
W902B W902A 5.7V 0V 0V 0V 0V 0V
16V10
C601
15 15
R205
100K
R211
14 14 270
M 13 13
MA4056MTA
R202
100K
R617
A C
4.7K
12 12
C201
D201
0.1
B 11 11 D
C 10 10 E H
D 9 9 F G
E 8 8 G F
R603
F 7 7 E 3.3K
G 6 6 F C656 R688
H 5 5 J 16V10 1.5K
I 4 4 C
C655 R687
J 3 3 16V10 1.5K
IC151 K 2 2 B
C602
C1BB00000527 L 1 1 K 16V10
RDS SIGNAL D906 D
DEMODULATOR MA165TA
R605
R606
4.7K
4.7K
-30.1V
C B R695
C151 470
16V10 2.5V A
1 VREF IDR 16
MA4051MTA
D907
R151
R152
MA165TA E
1K
W901A
1K
D611
W901B 0V
U 15 15 Q605,606
2.5V 0.7V
2.6V N L
2 HPX IN RDCL 15 14 14 2SD2144STA
O 13 13 M MUTING
12 12
Q707 Q605
5.1V
5.1V 2.6V Q 6V 11 11 6V I
2SB1417PQTA 0V
3 VDDA RDDA 14
R683
R966 R965 REGULATOR -10V 4.9V
MA4075MTA R975
1K
6.3V47
22K
C158
3.9K 3.9K 10 10 -30.1V -37.3V
Q612
R696
9 9
47K
-10.2V
R684
Q606
1K
0V UN411FTA
0.047
C708
50V100
8 8
R708
4 VssA RST 13
4.7K
0.047
C707
C737
7 7 MUTING CONT.
R153
R154
100K
100K
D961
-30.7V
R157
1K
6 6
2.5V 5 5 A
5 FL OUT MODE 12
MA4300MTA
4 4 Q609,610
C154
560P
35V10
C706
D721
S 3 3 B 2SD2144STA
2.5V 5.1V A MUTING
6 C IN VDDB 11 2 2
1 1 Q609 R693
6.3V47
T C
1000P
1000P
1000P
0V
C159
C155
C153
C160
B -10V 1K
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