Samsung SP47T7 Block Diagram

Samsung Electronics

Block Diagrams

8-1

8. Block Diagram

8-1 Current System

STAND-BY

POWER

MAIN

KA78R05

5.0V

EER5345

8.5V

EER5345
110V

EER5345
12V

137 mA 137 mAMicom / Eeprom

1.35 mA 445 mAKA278RA05(A) 5V

1.2 mA 1.03 AHigh Volt

105 mA 12 mAVertical DRIVER

445 mAMICOM, SOUND

80 mAKA278RA05(A) 5V

455 mAKA278RA05(A) 5V

340 mA3050 5V

13 mAVM 110V

3mATuner 33.0V

90 mAEW, PORTECT, HV REG

3mACRT

80 mASCAN1

455 mASCAN2

340 mACG MDL

620 mAHEATERFBT

210 mAVertical DRIVE 16.5V

190 mAVertical DRIVE -13.5V

17 mACRT 200V

POWER

EER5345

13.5V

EER5345

-20V

EER5345
+20V

EER5345
+29V

380 mA 140 mAKA7808 8.0V

680 mA 650 mACG AMP

825 mA 815 mACG AMP

88 mA 88 mASound AMP

100 mAKA278RA09 9.0V

140 mAKA78R12 12.0V

30 mAKA7905 (-5.0V) 30 mACG-MDL

10 mAEW

140 mASOUND

100 mASCAN MDL

140 mASOUND

Block Diagrams

8-2 Samsung Electronics

8-2 Power Supply System

HOT COLD

Line Filter

10mH / 2.45A

1mH / 5A

INPUT

RECTFIER

RBV-606

Stand-by

Trans

Switching IC

STR-F6459

PS2561

POWER

TRANS

EER 5345

PC

PS2561

OUTPUT

RECTFIER

110V / 1.2A

13.5V / 0.38A

8.5V / 1.35A

20V / 0.82A

-20V / -0.68A

29V / 0.88A

12V / 0.11A

Error AMP

SE11ON

Line Filter

10mH / 2.45A

1mH / 5A

Power

Control

7V / 0.13A

Line Filter

10mH / 2.45A

7805

Micom

5V / 0.13A

FUSE

AC IN