Samsung AQ17, AQ17KS Block Diagram

8 Block Diagrams

AQ17KS 8-1

SCREE

N

RGB

VIDEO BOARD

TO D-COIL

ON THE CRT

VIDEO INPUT

H/V SYNC

VIDEO OUTPUT

IC103(LM2437)

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

BB

REF-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

REF-off

VER.OUT & TILT CONTORL

HEATER VOLTAGE CONTROL

POWER-OFF MODE CONTROL

IC603-2(#5)

+12V REGULATOR

BB, REF-OFF(From MCU)

CRT HEATER

G1

+12V

TO VIDEO

-210V

+30V

+12V

CONTRAST

CONTROL

BRIGHTNESS

CONTROL

-210V

(FROM FBT)

VER. BLANKING

Q303

KSC945

24LC04

FROM MCU

B(+)

FROM IC401

H-SYNC, V-SYNC

TDA4856

KA2142

SIGNAL

MAIN BOARD

H/V

FOCUS

MCU

IC201

HOR. OUT

Q404

DYNAMIC FOCUS

T502

KSC5802

Memo

8 Block Diagrams

8-2 AQ17KS