Main(D-Amp) Circuit - Panasonic SA-AKX73P Service Manual

16.4. Main(D-Amp) Circuit

1 2 3
SCHEMATIC DIAGRAM - 14
A
B MAIN(D-AMP) CIRCUIT
B
ZJ5000*
+35V_SENSE 6
B
TO
+35V_SENSE 5
C5610
MAIN(MICON) 0.1
OUTP_GND 4
CIRCUIT (ZJ2001*)
OUTP_GND 3
IN SCHEMATIC
-35V_SENSE 2
DIAGRAM - 6
-35V_SENSE 1
C5611
C
0.1
MI PW_-35V
MI PW_+35V
MI DC_DET_AMP
MUTE_F
MI
D
MODE_DA
MI
MI OUTPUT_GND
MI FR_R_WOOFER
AGND
MI
MI FR_R_TWEETER
MI FR_L_WOOFER
FR_L_TWEETER
E MI
MI F_HOP
F
C5600
0.01
C5601
0.01
C5602
100P
C5603
390P
C5604
100P
G C5605
390P
MI: MAIN(MICON): SCHEMATIC DIAGRAM - 5 ~ 14
DA: MAIN(D-AMP): SCHEMATIC DIAGRAM - 15 ~ 16
H
NOTE: " * " REF IS FOR INDICATION ONLY
1 2 3
4 5 6
: +B SIGNAL LINE : -B SIGNAL LINE : AUDIO OUTPUT SIGNAL LINE
L5600
J0JKB0000020
C5616 Q5600
0.1
B1ADCE000012
OUTP_GND
+5V VOLTAGE SUPPLY
SWITCH
SW+5V
C5617 R5614
R5612
0.1 1.2K
10K
L5601
J0JKB0000020
R5613
10K
R5611
10K
Q5602
Q5601
B1ABCF000176
B1ABCF000176
MUTING SWITCH
MODE SWITCH
FR_R_WOOFER
AGND
FR_R_TWEETER
FR_L_WOOFER
FR_L_TWEETER
IC5600
C0JBAB000902
R5601
22
HEX INVERTER
1 1A VCC 14
6A
2 1Y 13
D5600 D5601
R5605
B0ACCK000012 B0ACCK000012
0
3 12
2A 6Y
X5602 R5602
1M
H2A7003A0011
5A
4 2Y 11
R5606
1M
5 3A 5Y 10
X5601 R5603
H2A6023A0011 1M
6 3Y 4A 9
R5607 R5610
100 0
GND
7 4Y 8
C5615 C5614
47P 47P
4 5 6
7 8 9
R5615
1.2K
Q5604
B1ABCF000176
SPEAKER PROTECTION
SWITCH
R5616
10K
Q5603
B1ABCF000176
SPEAKER PROTECTION
SWITCH
FR_T
R5617 C5626
8.2K 6.3V100
FR_W
OSC
R5608
0
R5609
1K
FL_T
SW+5V
FL_W
7 8 9
96
10 11 12
C5738
0.01
R5618 R5619 R5621 R5622
L5701
100K 150K 100K 150K
G0B9R5K00007
1 2
3 4
C5740
0.01
L5702
G0B9R5K00007
3 4
C5739 1 FRONT R (HIGH) +
0.01
2 FRONT R (HIGH) -
1 2 3 FRONT R (LOW) +
C5834
4 FRONT R (LOW) -
0.01
5 FRONT L (HIGH) +
6 FRONT L (HIGH) -
L5801
7 FRONT L (LOW) +
G0B9R5K00007
8 FRONT L (LOW) -
1 2
C5838
0.01
3 4
C5836
0.01
L5802
G0B9R5K00007
3 4
1 2
1/2 2/2
SA-AKX73P MAIN(D-AMP) CIRCUIT
10 11 12
13 14
4
1
2
P1
TO MAIN(D-AMP)
CIRCUIT (2/2)
JK5601
G1
TO SPEAKERS
(FRONT)
G2
13 14