Panasonic PT-43LCX64 Service Manual page 26

9.5. AUDIO AMP SCHEMATIC DIAGRAM
AUDIO AMP SCHEMATIC DIAGRAM
( TO POWER C.B.A.
P1009
P1010
P1011
TO FRONT JACK
C.B.A. P4591
SW_IN_L
SW_OUT_L
H/P_IN_L
AMP_GND
H/P_IN_R
SW_IN_R
SW_OUT_R
TO NETWORK C.B.A.P4553
(FOR L-CH SPEAKER)
TO NETWORK C.B.A.P4553
(FOR R-CH SPEAKER)
AUDIO AMP
IC4503
C0CAAKE00013
(+12V REG.)
+12V
1
REG.
2
) P4501
+Vs 1
GND 2
-Vs
3
P4502
PT
R4545 0
7
R4529
6
5
1200
4
R4531
3
R4546 0
2
1200
1
PT
P4503
4
SP_OUT_L
AMP_GND 3
SP_OUT_R 2
AMP_GND 1
3
C4512
0.1
C4513
0.1
C4501
1000/35V
C4502
1000/35V
R4501
Q4501
2SD0601AHL
SWITCHING
AUDIO MUTE-ON
R4528
J4504
1K
WA5
R4530
RL4501
1K
K6B2AGA00038
6 5 4
J4505
WA5
1 2 3
R4526
Q4504
2SD0601AHL
820
SWITCHING
AUDIO MUTE-ON
AUDIO SIGNAL
IC4501 C1AA00000660 (AUDIO AMP)
-Vs +Vs -Vs
1 2 3 4 5 6
D4501
R4506
MAZ40510MF
15K
4700
(5.1V)
R4507
15K
R4525
0
R4524
PT
Q4505
2SD0601AHL
SWITCHING
AUDIO MUTE-ON
C4534
C4535
PT 100/6.3V
PT 100/6.3V
+- -+
GND
7 8 9 10 11
C4511
C4510
1/50V[
1/50V[N]
R4508
33K
C4506
0.047[KB]
R4509
33K
C4507
0.047[KB]
73