Samsung CF21M Block Diagram

8 Block Diagram

VIDEO

OUTPUT

LM2412

BNC/D-SUB

SELECT IC

S5D2507B

VIDEO

CUTOFF

CONTROL

HORIZONTAL

BLANK

HIGH LIGHT

CONTROLER

S5D2520

HORIZONTAL

BLANK

AC INLET SOCKET

LINE FILTER

RECTIFIER

D3SBA60

AC INPUT

90-264VAC

60/50Hz

DEGAUSS

OPERATION

D-COIL

SWITCHING

TRANS

+29V

+14V

+6.3

-14V

-14V_I

+80V

+210V

H-DRIVE

CRT HEATER

VERT OUT

12V OUTPUT

CONTROL

DEGAUSS

S-RASTER

H-SYNC/

V-SYNC

OUT

SDA/SCL

CRYSTAL

24MHz

PFC

CONTROL

R G B

CRT

R G B

MICROPROCESSOR

ST72T774

S-CORRECTION

LED

VIDEO PRE-AMP

S5D2503

OSD

S5D2509

SDA/SCL

ERROR

DETECT

& FEED BACK

POWER SYNC

H-SYNC

TRIGGER

PWM CONTROL &

SWITCHING FET

DP408

BNC/D-SUB

R.G.B

H-SYNC

V-SYNC

INPUT

H-SYNC

V-SYNC

POWER OFF

CONTROL

VIDEO OUTPUT

H_DRIVE B

+

VOLTAGE

REGULATOR

KA78R12

VOLTAGE

REGULATOR

33269T

+5V

SOG

HOR.VER. OSC

PROCESSING

TDA9112

H/V DRIVE

DYNAMIC

FOCUS

HORIZONTAL

FOCUS CIRCUIT

H-AFC

HOR. OUTPUT

H-DY

HORIZONTAL

REGULATION

CONTROL

HOR. REGULATION

OUTPUT

(PWM CONTROL)

BRIGHTNESS

CONTROL

MUTE

REGULATION

SENSER

HOR. DRIVE

S-CORRECTION

FBT

H/V OUTPUT

J6820

H/V REGULATION

ERROR

FEEDBACK

X-RAY

PROTECTOR

VERTICAL BLANKING

GENERATOR

VERTICAL OUTPUT

V-DY

HORIZONTAL FOCUS

VERTICAL FOCUS

+12V

HIGH VOLTAGE

SCREEN

G2

FOCUS1, 2

H_LIN.

MOIRE

TILT

CLAMP

ACL

MENU KEY

H-FLB

V-FLB

SDA &SCL

ACL

CLAMP

CLAMP

H_FLB

V_FLB

H-LIN

MUTE

DDC-DATA

DDC-CLK

SELECT from MUC

SOG

CF21M* 8-1

8 Block Diagrams

Memo

8-2 CF21M*