Panasonic SA-AK785LM-K Service Manual page 93

13.6. D-Amp Block Diagram
: AUDIO OUTPUT SIGNAL LINE
TO MAIN (1/2)
Q5604 Q5603
SWITCH
SWITCH
SW+5V
TO MAIN (2/2)
Q5601
SWITCH
TO MAIN (2/2)
X5500
X5501
TO SMPS
TO MAIN (2/2)
IC5000
C1BA00000492
AUDIO DIGITAL POWER AMP
2
IN1+
3
IN1-
21
IN2+
22
IN2-
1
OSC
23
MODE
IC5400
C1BA00000492
AUDIO DIGITAL POWER AMP
2
IN1+
3
IN1-
21
IN2+
22
IN2-
1
OSC
23
MODE
IC5200
C1BA00000492
AUDIO DIGITAL POWER AMP
2
IN1+
3
IN1-
21
IN2+
22
IN2-
1
OSC
23
MODE
IC5500
C0JBAB000902
HEX INVERTER
(CLOCK GENERATOR)
1
1A 8
4Y
11
7
5A GND
3
2A
VCC
14
L5000
FR+
10
OUT1
FL+
14
OUT2
4
VDDA1
20
VDDA2
6
VSSA1
18
VSSA2
L5400
SR+
10
OUT1
SL+
14
OUT2
4
VDDA1
20
VDDA2
6
VSSA1
18
VSSA2
L5200
SW+
10
OUT1
SW-
14
OUT2
4
VDDA1
20
VDDA2
6
VSSA1
18
VSSA2
Q5101,Q5102
DC DETECT
JK5001
SPEAKER
L5001
FR
RIGHT
SPEAKER
L5002
FL
LEFT
SPEAKER
SR
SURROUND
RIGHT
SPEAKER
SL
SURROUND
LEFT
SPEAKER
L5201
SW1
SUBWOOFER
SPEAKER
TO SMPS
SA-AK780/785 D-AMP BLOCK DIAGRAM