Daewoo DTJ - 28A6F Service Manual Page 1

Service Manual66 Cm STEREO Colour TelevisionCHASSIS : CP-810DAEWOO ELECTRONICS CO., LTD.http://svc.dwe.co.kr MAR,2000MODEL : DTJ - 28A6FDTJ - 28A7FD

94-2. AFT Standard B/G, D/K, I and L 1) Set a Signal Generator with - RF FREQUENCY = 38.9 MHz, - R

10 4-6-3 VERTICAL SIZE * The VERTICAL CENTER adjustment has to be done in advance. 1) Apply a RETMA PATTERN Signal.

11 4-8. WHITE BALANCE 4-8-1 RGB Reference R 4-8-2 Beam Reference LOW ( 288, 301 : 10Cd/ )

125. IC description5-1. ST92195(1) General Description1.1 INTRODUCTIONThe ST92195 microcnontoller is developed and manufac-tured by STMicroelecrtonics

13IC description1.1.9 PWM OutputControl of TV settings is able to be made with up to eight 8-bit PWM outputs, with a frequency maximum of 23,437Hz at

14(3) Block DiagramIC description

15(4) PIN DESCRIPTIONFigure 2. Pin DescriptionIC descriptionRESET Reset (input, active low). The ST9+ is initialised by the Reset signal. With the dea

165-2. VPS 3215C(Video Processor)(3) Block Diagram(4) Pin DescriptionsIC description(1) DescriptionThe VPC 3215C is a high-quality, single-chip video

17IC description2Pin 12 - Vertical Sync Pulse, VSThis pin supplies the vertical sync signal.Pin 13 - Front Sync Pulse, FSYThis pin supplies the front

185-3. CIP3250A (Component Interface Processor)IC description(1) DescriptionThe CIP 3250A is a new CMOS IC that contains on a sin-gle chip the entire

1TABLE OF CONTENTS 1. Safety Instruction ...

19IC description(4) Pin DescriptionPin 1 - STANDBY InputVia this input pin, the standby mode of the CIP 3250A is enabled. A high level voltage switche

20IC descriptionPin 44 to 51 - L0 to L7 Luma InputThese are the inputs for the digital luma signal which must be in pure binary coded format. Connect

21IC descriptionPin 65 - GY Analog Green/Luma InputThis input pin takes the AC-coupled analog compinent sig-nal Green or Luma. The amplitude is 1.0V m

22IC description5-4. SDA9255 (Scan Rate Converter )(1) Features•100/120 Hz interlaced scan conbersion•Data format 4:1:1•On chip field memory•Digital v

23(3) Block DiagramIC description

24IC description(4) Pin DescriptionS : supply, I : input, O : output, TTL : digital (TTL)Pin No. Name Type Description2,8,24,26,41,55,5

255-5. DDP 3310B (Display and Deflection Processor)IC description(1) DescriptionThe DDP 3310B is a single-chip digital Display and Deflec-tion Process

26IC description(4) Pin DescriptionPin 1 - Supply Voltage, Output Pin Driver VSUPP*This pin is used as supply for the following digital output pins :

27IC descriptionTogether with this pin, it can be used to drive symmetrical deflection amplifiers.Pin 21 - East/West Parabola Output EWThis pin suppli

28IC descriptionPin 51 - Supply Voltage, Digital Circuitry VSUPD*Pin 52 - Ground, Digital Circuitry GNDD*Digital Circuitry Input ReferencePin 53 - Mai

21. Safety Instruction WARNING : Only competent service personnel may carry out work involving the testing or repair of this equipment1. Excessive

295-6. DPL 3519A (Dolby Pro Logic Processor)(1) General DescriptionThe DPL 3519A is designed as a coprocessor to the MSP family but has analog output

30IC description(3) Block Diagram(4) Pin DescriptionPin No. PIN Name Type Description1 D_CTR_IN IN Digital control input2 AUD_CL_OUT OUT Audio clock o

31IC description19 I2S_DA_OUT OUT - data output 20 RESETQ IN Power-on-reset21 20/19:DACC2_R 18:NC OUT Analog output Channe

326. IC DC Voltage Charts* Input signal PAL/CH5 - Video : 8 step colour bar ( 87% AM )

334. TDA 7269 (I601)5. ST92195 (I701) 6. AT24C16-10PC (I702)7. STR-F6654 (I801)8. DPL 3519A Pin No. 1 2 3 4 5 6 7 8 9 10 11V(DC) -14.2 0 +14.2 0 0 -14

349. TEA5101B (I901)10. P50311. P504Pin No. 31 32 33 34 35 36 37 38 39 40V(DC) 3.7 6.8 7.8 6.8 0 3.7 3.7 3.7 3.7 3.7Pin No. 41 42 43 44 45 46 47 48 49

357. Service Parts List/Recommendable Spare Parts ListLOC PART CODE PART NAME DESCRIPTION REMARKZZ10048B3822D05TRANSMITTER R-22D05REMOCONZZ110PTACPWD

36C602CBZF1H104ZC CERA SEMI 50V F 0.1MF ZC603CEXF1H100VC ELECTRO 50V RSS 10MF (5X11) TPC605CEXF1E471CC ELECTRO 25V RUS 470MF (10X16) TPC606CEXF1E471CC

37CC604HCFK103ZCAC CHIP CERA 50V Y5V 0.01MF Z 2012CC609HCBK102KCAC CHIP CERA 50V X7R 1000PF K 2012CC610HCBK102KCAC CHIP CERA 50V X7R 1000PF K 2012CC61

38D701D1N4148--- DIODE 1N4148 (TAPPING)D703DUZ5R1B---DIODE ZENER UZ-5.1B UNIZOND705D1N4148--- DIODE 1N4148 (TAPPING)D706DUZ5R6BM--DIODE ZENER UZ-5.6BM

32. SpecificationsCRT 28" : A66EAK071X54 ( PHILIPS )System PAL/SECAM-B/G, D/K, PAL-I/I’, SECAM-L/L’, NTSC-3.58/4.43 (Play back )Main Voltage 230V

39I8081KA7808--- IC REGULATOR KA7808I8091UPC574J--IC UPC574JI810TX0202DA--THYRISTOR X0202DA1BA2I901PTB2SW5403HEAT SINK ASS`Y 1TEA5101B- + 7174300811I

40QC402T2SC2412KBTR CHIP 2SC2412K-T146-BRQC405T2SA812T2BTR CHIP 2SA812-T2BQC501T2SC2412KBTR CHIP 2SC2412K-T146-BRQC502T2SC2412KBTR CHIP 2SC2412K-T146-

41R907RD-AZ242J-R CARBON FILM 1/6 2.4K OHM JR908RS01Z683J-R M-OXIDE FILM 1W 68K OHM J (TAPPING)R910RC-2Z102K-R CARBON COMP 1/2 1K OHM KR912RD-AZ242J-R

42RC730HRFT101JCAR CHIP 1/10 100 OHM J 2012RC731HRFT161JCAR CHIP 1/10 160 OHM J 2012RC732HRFT151JCAR CHIP 1/10 150 OHM J 2012RC733HRFT102JCAR CHIP 1/1

43CCD12HCBK473KCAC CHIP CERA 50V X7R 0.047MF K 2012CCD13HCBH224KCAC CHIP CERA 25V X7R 0.22MF K 2012CCD14HCBH224KCAC CHIP CERA 25V X7R 0.22MF K 2012CCD

44RCD20HRFT750JCAR CHIP 1/10 75 OHM J 2012RCD21HRFT750JCAR CHIP 1/10 75 OHM J 2012RCD22HRFT750JCAR CHIP 1/10 75 OHM J 2012RCD23HRFT750JCAR CHIP 1/10 7

458. Mechanical Exploded View 1. DTJ-28A6FCP-810 6 17 16 15 14 13 12 11 10 9 8 7 5 4 3 2 1 EU ROPE C HASSIS117GLASS1CR TA66ECY13X_26V16S

462. DTJ-28A7FMechanical Exploded ViewSPEAKERCP-810181716 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 EUROPE CHASSIS 181011121144111111112W8OHM

473. DTJ-28B1FREM ARK SQ'tyM AT ER IAL21No PART CODE P ART NAM E 1+30T T2 TRS 4X 16 M FZN B KS CRE W TAPPTITE1T T2 RND 3X8 M FZN1 A L EX B /

484. DTJ-28G6F48556174004855059001HIPS BKFELT T0.7 L=200 2CLOTH BLACK4857817611GLASS1CRT A'ssyA66ECY13X_26V1 cp-775PCB A'ssySWRM BK8SCREW TA

4PIN Signal Designation Matching Value1 Audio Out (linked with 3)0.5Vrms, Imp < 1 k (RF 60% MOD)2 Audio In (linked with 6)0.5Vrms, Imp < 10 k3

49Mechanical Exploded View 5. DTJ-28G7F

506. DTJ-28G8FNOPART CODE PART NAMEQTYMATERIAL REMARKS1 4852073001 MASK FRONT4852155001 COVER BACK 1 HIPS BK4854855900 BUTTON POWER HIPS BK4854944500

5110. Printed Circuit Board

DAEWOO ELECTRONICS CO., LTD686, AHYEON-DONG MAPO-GUSEOUL, KOREAC.P.O. BOX 8003 SEOUL, KOREATELEX : DWELEC K28177-8CABLE : “DAEWOOELEC”

53. Circuit Block Diagram

64. Alignment Instructions4-1. User Remocon R-22D05

7 R-23D05Alignment Instructions

8Alignment Instructions* How to Enter the "Service Mode" with user remocon.1) Set the TV Pr 912) Sharpness " MIN " control.3) Pr