D-Amp Circuit - Panasonic SA-AKX32LM-K Service Manual

17.8. D-Amp Circuit

1 2 3
SCHEMATIC DIAGRAM - 19
A
I D-AMP CIRCUIT
B
C
L5901
ZJ5901*
J0JKB0000020
J +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 - 20 L5902
-35V_SENSE 1
D J0JKB0000020
C5901 C5902
CN5902
1000P 1000P
1
FRONT R 12
SIGNAL A_GND 11
E
FRONT L 10
B AGND 9
TO
8
MUTE F_SW (MODE 2)
MAIN CIRCUIT
FHOP 7
(CN2011)
NC 6
IN SCHEMATIC
FAN 5
DIAGRAM - 4
DC_DET1 4
MOD_DA 3
+5V 2
+5V GND 1
12
F
R5904
10K
G
R5903
10K
NOTE: " * " REF IS FOR INDICATION ONLY
H
Nota:
Para el valor y clave de cada componente referirse a; "Lista de partes Eléctricas" a partir de la página
122.
1 2 3
4 5
: +B SIGNAL LINE : -B SIGNAL LINE : AUDIO OUTPUT SIGNAL LINE
1 2 3 4 5
C5918 C5921
330P 0.1
C5917
1000P
GND
C5956
0
C5905 C5907 C5909
0.1 50V220 0.1
C5906 C5908 C5910
0.1 50V220 0.1
C5920
100V22
R5905
10
R5907
QR5901
0
B1GDCFJJ0047
SWITCH
R5901 R5906 R5909
120K 180K 5.6K
QR5900
R5910
27K
B1GBCFJJ0051 Q5901
SWITCH B1ABGC000005
SWITCH
R5935
10K
R5913
2.7K
Q5902
B1ADCE000012
SWITCH
R5918
2.7K
Q5903
R5908
B1ABCF000176 10K
SWITCH
R5915
10K
Q5905
B1ABCF000176
SWITCH
4 5
6 7 8
IC5900
C1BA00000497
POWER AMPLIFIER
6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
C5923 C5924
C5928 C5933
0.1 220P
0.015 0.015
C5938 C5939
0.1 0.1
C5927 R5921 R5922 C5935
220P 10 10 220P
C5934
220P
C5929
220P
D5903
B0HCSP000001
D5904
B0HCSP000001
Q5907
B1ABCF000176
DC DETECT
Q5906
B1ABCF000176
DC DETECT
R5923
6.8K
6 7 8
106
9 10 11
21 22 23
C5943
TH5900
330P
D4CC11040013
C5947
1000P
C5942 C5946
1000P 16V10
R5931
22
C5948 R5933
3 4 0.68 5.6K
C5950
0.1
C5951
1 2 0.1
C5949 R5934
0.68 5.6K
R5932
L5903
22
G0A150L00003
D5905
B0HCSP000001
D5906
B0HCSP000001
R5927
82K
R5928
82K
C5945 R5929 R5930
10V100 1.2K 1.2K
D5901 D5902
B0ACCK000012 B0ACCK000012
9 10 11
12 13 14
A
B
C
JK5901
G2
4 RIGHT +
3 RIGHT -
D
TO SPEAKERS
2 LEFT -
1 LEFT +
G1
E
K5921
F
0
G
SA-AKX32 D-AMP CIRCUIT
H
12 13 14