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

Page 43

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

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Contents TOP Next 24/2008 24/2008 24/2008 24/2008 24/2008 24/2008 Mechanical Replacement Parts Mechanical Replacement Parts ListOperation Button Unit MKA RGB Cable W/PLUG MKA TV Stand TY-50LC13C Lamp Unit Printed Circuit Board Assembly Electrical Replacement Parts ListFront Jack C.B.A 751 J0KA00000044 Integrated Circuits Tuner C.B.ATransistors Capacitors Crystal Oscillator CoilsTOP Previous Next Audio AMP C.B.A Relay TOP Previous Next Operation C.B.A SwitchesNetwork C.B.A Cover Switch C.B.A Thermistor 1 C.B.A Thermistor 2 C.B.A Overall Block Diagram Power C.B.A Audio AMP C.B.A Power Supply Block DiagramBallast C.B.A Input Video Signal Path I Block Diagram 1/2Rear Jack C.B.A Main C.B.A Front Jack C.B.AMain Video Signal SUB Video Signal Video SIGNALMAIN/SUB Video Signal Path I Block Diagram 2/2Card Y/PB/PR Signal Video Signal Path II Block Diagram 1/2 Q2018-2023 Video Signal Path II Block Diagram 2/2IC2007 VSW Q2012-2017Q9001 SD/PC Card Signal Process Block DiagramIC9008 IC9002Rear Jack C.B.A Audio Signal Path Block DiagramAudio Signal Network C.B.A. for R-CH Network C.B.A. for L-CHThermistor 2 C.B.A System Control Block DiagramCover Switch C.B.A Thermistor 1 C.B.ABlue Light Path Green Light Path Red Light Path Optical Block DiagramInterconnection Schematic Diagram Interconnection Schematic DiagramLCD Panel Blue Speaker Projection UnitTweeter Front Jack Schematic Diagram Front Jack Schematic DiagramThermistor 2 Schematic Diagram Thermistor 1 Schematic DiagramTo Main VER Switch Schematic DiagramsOperation Schematic Diagram Cover Switch Schematic DiagramTo Network C.B.A. P4553 Audio AMP Schematic DiagramAudio AMP Schematic Diagram To Power C.B.ATo Rear Jack Tuner Schematic Diagram Tuner Schematic DiagramLink to I/O Chart RF-IN GND R51 P32 Repeat LED Power on LEDVSS XT1 XT2 Reset FM-H/NC
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