Panasonic SA-AKX74PR Servis Kılavuzu - Sayfa 10
Stereo sistemi Panasonic SA-AKX74PR için çevrimiçi göz atın veya pdf Servis Kılavuzu indirin. Panasonic SA-AKX74PR 23 sayfaları.
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3.4.
D-Amp Circuit (SA-AKX74PH/PN-K)
With reference to original service manual (section 16.8) on pages 103.
1
2
3
SCHEMATIC DIAGRAM - 21
A
L
D-AMP CIRCUIT
B
C
ZJ5901*
L5901
J0JKB0000020
M
+35V_SENSE
6
TO
C5903
+35V_SENSE
5
0.1
SMPS CIRCUIT
SYS_GND
4
(CN5801)
C5904
SYS_GND
3
0.1
IN SCHEMATIC
-35V_SENSE
2
DIAGRAM - 22
L5902
-35V_SENSE
1
J0JKB0000020
D
C5901
1000P
CN5902
1
SUBWOOFER
9
SIGNAL AGND
8
E
B
TO
AGND
7
MAIN(MICON)
MUTE_F
6
CIRCUIT (CN2011)
FHOP
5
IN SCHEMATIC
DC_DET
4
DIAGRAM - 9
MOD_DA
3
+5V
2
+5V GND
1
9
F
R5904
10K
G
NOTE: " * " REF IS FOR INDICATION ONLY
H
1
2
3
4
5
6
: -B SIGNAL LINE
: AUDIO OUTPUT SIGNAL LINE
: +B SIGNAL LINE
1
2
3
4
5
6
C5918
C5921
C5923
C5924
330P
0.1
0.1
33P
ZJ5900*
HEATSINK*
C5917
1000P
1
2
3
G1
G2
C5956
0
C5905
C5907
C5909
0.1
50V220
0.1
C5906
C5908
C5910
0.1
50V220
0.1
C5920
100V22
R5905
10
QR5901
B1GDCFJJ0047
+5V POWER SUPPLY
R5907
27K
R5901
R5906
R5909
120K
180K
33K
QR5900
B1GBCFJJ0051
Q5901
FREQUENCY HOPPING
B1ABGC000005
R5910
SWITCH
1.5K
R5935
10K
R5913
2.7K
Q5902
B1ADCE000012
+5V VOLTAGE SUPPLY SWITCH
R5918
2.7K
Q5903
R5908
10K
B1ABCF000176
R5903
10K
MODE SWITCH
R5915
10K
Q5905
B1ABCF000176
SWITCH
4
5
6
7
8
9
IC5900
C1BA00000497
AUDIO DIGITAL AMPLIFIER
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
C5928
C5933
0.015
0.015
C5938
C5939
C5943
0.1
0.1
330P
D4CC11040013
C5927
R5921
R5922
C5935
220P
10
10
220P
C5934
C5947
220P
1000P
C5929
220P
C5942
C5946
1000P
16V10
Q5907
B1ABCF000176
SPEAKER PROTECTION SWITCH
Q5906
B1ABCF000176
SPEAKER PROTECTION SWITCH
R5923
6.8K
7
8
9
10
10
11
12
TH5900
D5903
B0EAKM000117
D5904
B0EAKM000117
R5931
R5933
22
5.6K
C5948
C5950
0.68
0.1
3
4
C5949
C5951
0.68
0.1
1
2
R5932
R5934
22
5.6K
L5903
G0A150L00003
D5906
B0EAKM000117
D5905
B0EAKM000117
R5927
82K
R5929...AKX74
0
R5928
82K
C5945
10V100
SA-AKX74PH/PN D-AMP
10
11
12
13
14
A
B
C
D
JK5901
G2
4
-
3
+
TO SPEAKER
2
SWL-
(SUBWOOFER)
1
SWL+
G1
E
F
ADD
(R5929)
G
CIRCUIT
H
13
14