Panasonic SA-AK785LM-K Service Manual page 110

16.11. D-Amp Circuit (1/2)
1 2 3
SCHEMATIC DIAGRAM - 11
A
G D-AMP CIRCUIT
B
R5510
470
IC5500
C0JBAB000902
HEX INVERTER
(CLOCK GENERATOR)
D5502
C5550
0.01 MA2J1110GL
C
1
1A VCC 14
C5556
0.01
2 6A
D5501 1Y 13
R5515
MA2J1110GL C5557
0
100P
3 2A 6Y 12
X5501 C5551
H2A7003A0011 390P
4 5A
2Y 11
C5553
R5513
100P
100
5 3A 5Y 10
X5500
H2A6023A0011
6 3Y 4A 9
R5505
C5552 R5512
390P 100
D 0
7 8
GND 4Y
E
F
K5251 0
G
K5254
0
H
1 2 3
4 5 6
: +B SIGNAL LINE : -B SIGNAL LINE : AUDIO OUTPUT SIGNAL LINE
FHOP
FAN_DC
IN+_C
IN+_SW
OSC2
OSC
Q5603
B1ADCE000012
R5611
SWITCH
1.2K
Q5604
R5602
B1ABCF000176
10K
MOD_DA
SWITCH
Q5601
B1ABCF000176
MUTE_F
SWITCH
R5609
10K
4 5 6
7 8 9
R5018 68K
MODE2
R5113 120K
R5020 120K
R5019 68K
Q5102
B1ABCF000176
DC DETECT
Q5101
R5318 120K
B1ABCF000176
R5328 68K
DC DETECT
AGND
7 8 9
10 11 12
FL-
FL+
FR-
FR+
C-
C+
MODE2
FR_-
SL_+ FL_-
FR_+
FL_+
C_+
C_-
FAN_GND
1/2 SA-AK780/785 D-AMP 2/2
10 11 12
13 14
JK5001
1
FRONT L-
2 FRONT L+
TO SPEAKERS
3 FRONT R-
4 FRONT R+
5 SW1 -
6 SW1 +
3
1
P1
3 2 1
ZJ5410
D5646
MAZ8075GML
TO D-AMP
SECTION (2/2)
5
CIRCUIT
13 14