Daewoo 531X service manual Block, Diagram

Page 31

C M C -531X M O N ITO R B LO C K D IAG R AM

BLOCK

D-SUB RGB H/V

Video Pre-amp (65MHz)

TDA9210 (SGS Thompson)

OSD

NT6828

(Novatek)

CRT

Driver

TDA9536

(SGS

Thompson)

CRT

SOCKET

CRT : Orion Mini-Neck

15"

DIAGRAM

29

AC INPUT

SMPS

Transformer

 

 

 

 

MCU

 

 

 

 

 

H/Linearity

 

 

 

NT68P62

 

 

 

 

 

Coil

 

 

 

(Novatek)

 

 

 

 

 

TRL-531X

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

V - Driver

 

 

PWM

 

 

 

 

 

IIC

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

KA2142B

 

 

D/A

 

 

 

 

 

Control

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(Samsung)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

H/V OSC Processor

 

 

 

 

 

IIC

 

B+ PWM

 

 

 

 

 

 

TDA4856 (Philips)

 

 

 

 

Control

 

 

EUT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Geometrical

 

 

 

H/V Moire

 

 

Dynamic

 

 

 

Compensation

 

 

Cancellation

 

 

Focus H/V

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

H/Def Output

TR/Damper

C/S Switching

KSC5801/

SDS06F150S

(Fairchild)

H-Driver

Drive

Transformer

B+

Booster

H-Size

TR : BD677A

(Fairchild)

FBT

H/V Converter

(Lienchang)

Image 31
Contents XGA Color Monitor Contents Implosion Protection Safety PrecautionsSafety Check Fire & Shock HazardTerms in the manual General Safety InformationSymbols in the manual Symbols as marked on equipmentGeneral Servicing Precautions Servicing PrecautionsGeneral Soldering Guidelines Electrostatically Sensitive ES DevicesRemoval IC Removal/ReplacementReplacement Small-Signal Discrete Transistor Removal/ReplacementDiode Removal/Replacement Power IC, Transistor or Devices Removal/ReplacementTechnical Information Abbreviations General InformationPin Signal PIN ConnectorControl Panel Operation and AdjustmentKey Process OSD Functions Adjust the horizontal picture moire cancellation Method to launch the factory mode Alignment ProcedureStandard Adjustment Conditions Pre-AdjustmentPage No Character Troubleshooting HintsNo Character No Raster No RasterOne color is Missing Missing ColorAbnormal OSD Font Abnormal OSD FontVGA Horizontal Output CircuitUnstable Picture Unstable Picture HorizontalVertical Monitor remains Unfocused FocusPoor convergence ConvergenceAbnormal Size Abnormal Picture Horizontal SizeVertical Size Side-Pincushion Circuit Trouble in P.S.U Power Supply Unit P.S.UU O.K Block DiagramPCB Layout Main PCB Solder Side CRT PCB Component Side CRT PCB Solder Side Power & Connection Section Schematic DiagramControl & Vert. out Section Horizontal Section Video Section Exploded View Diagram Information of Part Description Important Safety NoticeAbbreviation of Description PART-NAME PART-DESC Electrical Parts ListLOC LED Metal Film Diode TVR1G TPA1 686, AHYEON-DONG MAPO-GU SEOUL, Korea