Samsung SC-34 Block Diagram

Troubleshooting

Samsung Electronics 5-1

8. Block Diagram

8-1 Voltage / Current Block Diagram

S

M

P

136V/845mA

7.9V/835mA

7.7V/217mA

78R05

(IC802)

7.8V/621mA

78R05

(IC805)

6.24V/625mA(AC)

F

214V/41mA

B

16.35V/697mA

T

- 13.5V/434mA

5V/210mA

5V/183mA

5V/431mA

5mA

37mA

103mA

14.9V/123mA

16.2V/455mA

404mA

19mA

78RM33

(IC202)

(IC402)

5V/172mA

CPT Heater

33V T uner

IC501,2,3

7812

HDT

LA7845

CPT Socket

Main T uner

Sound C ontrol IC

Module Board

3.3V/423mA

Module Board

LM393

26.7V/17mA

12.36V/346mA

S

TDA7269

11.2V/212mA
78R09

12.2V/135mA

C2073

12.2V/ 10mA

DDR1001A

(HIC401)

No Sound

9V/30mA

9V/212mA

9V/86mA

6V/130mA

78RM33

(IC903)

Main T uner

Sound C ontrol IC

Module Board

Micom (IC901)

Samsung Electronics

Block Diagrams

8-1

8-2 PCB Layout

8-3 System Block Diagram

Block Diagrams

8-2 Samsung Electronics

MAIN Tmblock

Tuner/ LAN/IF

Sound Process

MSP34**

MAIN SPEAKER

MAIN S-AMP

TDA7269

Woofer AMP

PIP Tmblock

Tuner/LAN/IF

SCART/RCA

Jack

Array

CVBS

YPbPr

YC

MICOM

SDA555*

EEPROM

24W16

Feature Box

VSP9407, 9405 / CXA2151 / CXA2165

BA7657F / TEA6425

(SRC, D/A, A/D, Def, PIP, Matrix)

H-Out TR

TDA7269

RGB DRIVE

TDA6111Q*3

V/M

CRT

78R09

78R05 78R33

12V

33V

Vertical AMP

LA7845

200V

AC INPUT

FJL6920

8V

POWER

SPS 250W

TRANS

5Q1565F

24V

135V

E/W AMP

LM393

Double

Focus

FBT