Panasonic PT-50LC13 Audio AMP Schematic Diagram, To Power C.B.A, To Network C.B.A. P4553

9.5.AUDIO AMP SCHEMATIC DIAGRAM

AUDIO AMP SCHEMATIC DIAGRAM

IC4503

TA78M12S

	(+12V REG.)
	1	+12V
		REG.
		2
C4514	10/50V

3

C4516 10/16V

AUDIO SIGNAL

R4541 PT 0 R4540 PT R4539

C4534

C4535 PT100/6.3V

PT 100/6.3V

(TO POWER C.B.A.)		P4501
P1009	+Vs		1
P1010	GND		2
P1011	-Vs		3

R4547 PT R4548 PT

IC4501

TDA7265

(AUDIO AMP)

C4512

+-

-+

0.1

-Vs

+Vs

-Vs

GND

C4513

1

2

3

4

5

6

7

8

9

10

10

0.1

C4501

C4511

1000/35V

C4510

1/5

C4502

1/50V[N]

1000/35V

R4506

R4508

R4501

D4501

15K

33K

4700

MA4051-M

C4506

10/16V

(5.1V)

0.047[KB]

C4503

R4502

15K

R4507

R4509

15K

33K

C4507

Q4501

0.047[KB]

2SD601ARS

R4525

SWITCHING

AUDIO MUTE-ON

0

TO NETWORK C.B.A. P4553

(FOR L-CH SPEAKER)

TO NETWORK C.B.A. P4553

P4502

PT

SW_IN_L	7
SW_OUT_L	6
H/P_IN_L	5
AMP_GND	4
H/P_IN_R	3
SW_IN_R	2
SW_OUT_R	1

P4503

SP_OUT_L 4

AMP_GND 3

SP_OUT_R 2

R4545
0	R4529	R4528
		J4504

PT	PT	PT
	R4531	R4530

R4546		PT
0	PT
		J4505	RL4501
			ALA2PF12
		PT

D4504 MA167

R4503

10K

R4524

470 0.068[KB] R4511

470 0.068[KB]

PT

R4512 C4508

R4513 C4509

0.1 4R7 ERX1SJ4R7P

R4510

470

470

6

5

4

ERX1SJ4R7P

C4505 R4505

C4526

10/16V[N]

C4527

10/16V[N]

R4504

4R7

1

2

3

C4504

0.1

(FOR R-CH SPEAKER)

AMP_GND 1

AUDIO MUTE-ON	R4527	4700	R4526	Q4505	C4528	4R7/25V
				AUDIO MUTE-ON
Q4504				2SD601ARS
2SD601ARS			820	SWITCHING
SWITCHING

69