Durabrand DBTV1902 Manuel de service

SERVICE MANUALDBTV1902Design and specifications are subject to change without notice.COLOR TELEVISION RECEIVERSUPPLEMENTMFR'S VERSION BThis SUPPL

B2-1Masking Tape(Cotton Tape)DISASSEMBLY INSTRUCTIONS2.REMOVALICPut the Masking Tape (cotton tape) around the FlatPackage IC to protect other parts fr

B2-2DISASSEMBLY INSTRUCTIONSSupply solderingfrom upper positionto lower positionICSupply the solder from the upper position of IC leadssliding to the

SERVICE MODE LISTThis unit provided with the following SERVICE MODES so you can repair, examine and adjust easily.To enter the Service Mode, press bot

ELECTRICAL ADJUSTMENTS1.Read and perform these adjustments when repairing thecircuits or replacing electrical parts or PCB assemblies.CAUTION••••Use a

D-2ELECTRICAL ADJUSTMENTSFig. 2-1Fig. 2-22-8: OSD HORIZONTAL1.2.Activate the adjustment mode display of Fig. 1-1.Press the VOL. UP/DOWN button on the

D-32-13: Confirmation of Fixed Value (step No.)Please check if the fixed values of the each adjustmentitems are set correctly referring below.NO.04141

ELECTRICAL ADJUSTMENTS3.1.2.3.1.2.3.4.5.6.7.8.3-2: PURITYNOTEAdjust after performing adjustments in section 3-1.1.2.3.4.5.Receive the green raster pat

ELECTRICAL ADJUSTMENTS4. ELECTRICAL ADJUSTMENT PARTS LOCATION GUIDE (WIRING CONNECTION)TU001FB401S501BS501AAC INCP601CP502T502CD101BCD101AW043CRTCP401

BLOCK DIAGRAM201514165964634751CF601SAW FILTER30AGCIFTU001111CHROMA ICIC601 M61250FPIC1001 AN7511SP1001Q801RED OUTQ802GREEN OUTQ803BLUE OUTCRT397RGB

AGC**********RISK OF FIRE - REPLACE AS MARKED.C123IC199X602SW101SW102SW104SW105FH501FH502F501CP502R500R445R002C004C003R410R403C437D410R423C417C418C414

REF. NO. PART NO. DESCRIPTION PART NO. DESCRIPTION101 A3L211C720 CABINET FRONT ASS'Y A3L217C720 CABINET FRONT ASS'Y108 722552A019 SHEET,RATI

**1733491C620IC101IC601R128R101R126R419R420R112R703 R702R143R113R1005R1004R127C113C114R132R115R124R104R122R102R123R103R121R120R106R105R130C121C138R134

ABC D E F GHABC D E F GH2134567821345678S802YTHE DC VOLTAGE AT EACH PART WAS MEASURED WITH THE DIGITAL TESTER WHEN THE COLOR BROADCASTWAS RECEIVED IN

ABC D E F GHABC D E F GH2134567821345678S802XX6023.579545MHzIS NON POLAR ONE.THE ALUMI ELECTROLYTIC CAPACITOR MARKED NPTHE RESISTOR MARKED F IS FUSE R

ABC D E F GHABC D E F GH2134567821345678S801XCP502A1561WV2-2P12HS501763WSAA013R5013.3 5W21L5038R200029DEGAUSS COILFH502EYF-52BCFH501EYF-52BCF50151MS04

ABC DEF GHABC DEF GH2134567821345678S801YCP401A1561WV2-A5P12345IC401 AN5522V-OUT IC1234567T401ETH09K14BZ12346BGR1168109175V801A48LGS30X19N45FJ801ISMS0

ABC D E F GHABC D E F GH2134567821345678SPEAKERSP1001S08F218 OHMCD101ACH0120021CD101BCH0120031HEJ703AV1-09D-412HEJ702AV1-09D-312AUDIO SIGNALTHE DC VOL

MICON/TUNER610.5V 20µs/div25WAVEFORMS0.5V 20µs/div200mV 5ms/div200mV 5ms/div40.5V 2ms/div200mV 20µs/div79200mV 20µs/divCHROMA0.5V 5ms/div10111

16 2V 20µs/div 21 50V 20µs/div200V 20µs/div172250V 20µs/divSOUND/AV0.5V 1ms/div2310V 5ms/div1810V 5ms/div191V 1ms/div2450V 20µs/div20NOTE: Th

MECHANICAL EXPLODED VIEWI-1107108202202202202202103SP1001105104203110111101201201201201L503106J801PCB110(CRT PCB)V801102109FB401204PCB010(MAIN PCB)205

MECHANICAL REPLACEMENT PARTS LISTREF. NO. PART NO. DESCRIPTION101 A3L211C720 CABINET,FRONT ASSY102 723000B325 FILM,DECORATION103 701WPJB715 CABINET,FR

The parts in this equipment have the specificcharacters of incombustibility and withstandvoltage for safety. Therefore, the part which isreplaced shou

ELECTRICAL REPLACEMENT PARTS LISTREF. NO. PART NO. DESCRIPTION REF. NO. PART NO. DESCRIPTIONRESISTORS DIODESR148 R00106104J RC 100K OHM 1/6W or D28T11

ELECTRICAL REPLACEMENT PARTS LISTREF. NO. PART NO. DESCRIPTIONMISCELLANEOUSFH501 06710T0006 HOLDER,FUSE EYF-52BCFH502 06710T0006 HOLDER,FUSE EYF-52BCO

M3L2-11CO/R NO.SPEC.NO.W223003

SERVICE MANUALDesign and specifications are subject to change without notice.COLOR TELEVISION RECEIVERDBTV1902REVISION 1MFR’S VERSION AAMFR’S VERSIONB

Change of CRTPART NO. DESCRIPTION PART NO. DESCRIPTIONC444 P4N8FJ102H CMPP 0.001 UF 1.25KVPCB010 A3L217B010MAIN PCB ASS'Y (VERSION

CONTENTSSERVICING NOTICES ON CHECKING ...HOW TO

GENERAL SPECIFICATIONSG-1 TV CRT CRT Size / Visual Size 19 inch / 480.0mmVSystem CRT Type Normal Deflection 90degreeMagnetic Field BV/BH +0.

GENERAL SPECIFICATIONSContrast YesColor YesTint (NTSC Only) YesSharpness YesTuning NoBass NoTreble NoBalance NoBack Light NoStereo,Audio Output,SAP No

GENERAL SPECIFICATIONSTV/VCR(VCR) NoCode NoFF NoRew NoRec NoPlay NoStop NoTV NoVCR NoCable NoG-11 Features Auto Degauss YesAuto Shut Off YesCanal+ NoC

GENERAL SPECIFICATIONSPTB SheetNo300 ohm to 75 ohm Antenna AdapterNoG-13 Interface Switch Front Power YesSystem Select No Main Power SW No Sub Power

1. REMOVAL OF ANODE CAPRead the following NOTED items before starting work.After turning the power off there might still be a potentialvoltage that is