Samsung TT17J Block Diagram

8 Block Diagrams

TT17J* 8-1

S
C
R
E
E
N

RGB

RGB

VIDEO BOARD

TO D-COIL
ON THE CRT

VIDEO OUTPUT

IC103(LM2413)

RGB - CUTOFF

QR, G,B01,02

G1

HEATER

VIDEO PRE-AMP

+ OSD

IC101(KB2502)

SOCKET

FBT

T501

H/V SIZE

REG.

VERTICAL

FOCUS

HOR. DY

CN401

VER. DY

CN401

H. D. T

T401

S-COR.

VER. OUTPUT

IC301

HOR. DRIVE

Q403

HOR./VER.

PROCESSOR

IC401

H-SYNC1
V-SYNC1
E/W_OUT

12C DATA

12C CLK

REG.

V-MUTE

S-CORRECTION

PS-2(POWER OFF)

HOR. LINEARITY

TILT

POWER

PWM CONTROL

IC601C

BRIDGE

RETIFIER

EPROM

IC202

DEGAUSSING

BLOCK

RL601

UP, DOWN

BRIGHTNISS

CONTRASTER

PIN, TRAP

SIZE, POSI,

DEGA.

LED

POWER

AC INPUT

SOCKET

CN601

LINE

FILTER

L601

SWITCHING

TRANS

T601

ACL

CIRCUIT

CONTRAST

CONTROL

BRIGHTNESS

CONTROL

+56V

+13V

-12V

+6.3V

+70V

PS-2

VER.OUT & TILT CONTORL

HEATER VOLTAGE CONTROL

POWER-OFF MODE CONTROL

Q607

+12V REGULATOR

PS-1, PS-2(From MCU)

CRT HEATER

G1

+12V

TO VIDEO

-210V

+30V

+12V

CONTRAST
CONTROL

BRIGHTNESS
CONTROL

-210V

(FROM FBT)

VER. BLANKING

Q303

KSC945

24LC08

FROM MCU

B(+)

FROM IC401

H-SYNC, V-SYNC

H/V

Sync

PC

Signal

Composite

Video

Baseband

Signal

TDA4859

KA2142

FRONT CONTROL
BOARD

MAIN BOARD

H/V

F
O
C
U
S

MCU

IC201

HOR. OUT

Q404

DYNAMIC FOCUS

T502

KSC5802

IC705

SW

IC703

Line

Doubler

IC704
Video

Decoder

Memo

8 Block Diagrams

8-2 TT17J*