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Caution:
In this Service Manual, some parts can be changed for improving, their performance without notice in the parts list. So, if you need the
latest parts information, please refer to PPL(Parts Price List) in Service information Center(http://svc.dwe.co.kr)

Service Manual

Colour Television

CHASSIS : CP-371
Model :
DTU-14/16/20/21 D3VG
DTU-14/20/21
DTU-14/20/21
DTU-14/20/21
14/16/20/21 D3
This service manual is a additional edition for CP-371 service guide.

Specifications

TV Standard
PAL/SECAM-B/G, D/K, I, H, NTSC-3.58/4.43, NTSC-5.5
100 ~ 250V AC, 50/60Hz
Mains Voltage
Power Voltage
14" : 73W 20" : 78W
16" : 75W 21" : 86W
- . 2 Speaker (at any MOD. 10% THD )
Sound output
Speaker
- . 2 Speaker : 7.5W 4 ohm
100 channels
Memory channel
Reception
VHF - L : CH2 - CH4
VHF - H : CH5 - CH12
channel Unit
Cable Band : CHS1' - CHS3', CHS1 - CHS20
Hyper Band : CHS21 - CHS40
UHF : CH21 - CH69
VG : R-28B04, TM : R-28B03
Remote control
Function
-. CHILD Lock (CH Lock)
-. 16 : 9 MODE
-. ZOOM MODE
-. Blue Back (ON/OFF)
-. Local Key Menu Control
-. Arrow puzzle Game
-. Monitor out
-. Simple SCART
-. Twitter Speaker
DAEWOO ELECTRONICS CO., LTD
http : //svc.dwe.co.kr
S/M No. : CP371P-010
with Game
D4VG
without Text
D3TM
with Text
D4TM
without Game
14/20/21 D4
: 5W + 5W (TWITTER 2.5W + 2.5W)
VG
-. CHILD Lock (Security code Lock)
-. OSD MESH
-. 16 : 9 MODE
-. ZOOM MODE
-. Blue Back (ON/OFF)
-. Local Key Control Menu Control
-. Monitor out
-. Simple SCART
-. Twitter Speaker
-. TELETEXT : 8 PAGE TELETEXT
TM
TOP/FLOF MODE
JAN. 2000

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Table of Contents
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Summary of Contents for Daewoo DTU-14 D3VG

  • Page 1: Service Manual

    -. Twitter Speaker -. Twitter Speaker -. TELETEXT : 8 PAGE TELETEXT TOP/FLOF MODE DAEWOO ELECTRONICS CO., LTD JAN. 2000 http : //svc.dwe.co.kr Caution: In this Service Manual, some parts can be changed for improving, their performance without notice in the parts list. So, if you need the...
  • Page 2: Table Of Contents

    TABLE OF CONTENTS 1. Specification ..........................2 2. Safety Instruction ........................3 3. Circuit block Diagram ......................... 4 4. IC Description ..........................5 5. Trouble Shooting Charts ......................15 6. Service Parts List ........................22 7. Mechanical Exploded View ......................37...
  • Page 3: Specification

    1. Specifications VG : WITHOUT TXT. MODEL, TM : WITH TXT. MODEL TV Standard PAL/SECAM-BG, D/K, I, H, NTSC-3.58/4.43, NTSC-5.5 Mains Voltage 100 ~ 250V AC, 50/60Hz Power Consumption 14" : 73W 20" : 78W 16" : 75W 21" : 86W Sound output -.
  • Page 4: Safety Instruction

    2. Safety Instruction WARNING : Before servicing this chassis, read the “ X-RAY RADIATION precaution “ , “ safety precaution “ and “ product safety notice “ below. X-RAY RADIATION PRECAUTION 1. Excessive high voltage can prodece potentially haz- voltage should be checked. It is recommended the ardous X-RAY RADIATION.
  • Page 5: Circuit Block Diagram

    3. Circuit Block Diagram...
  • Page 6: Ic Description

    4. IC description 4-1. DW 5457 - *** ( SDA 5457 : SIEMENS TYPE ) (1) General Description The SDA 545x is a single chip teletext decoder for decoding Worled System Telertext data as well as Video Program- ming System ( VPS ), Program Delivery Control ( PDC ), and Wide Screen Signalling ( WSS ) data used for PALplus transmissions ( line 23 ).
  • Page 7 IC description 156 national option chara ters for 12 languages ( European version ) 288 characters for X/26 display 64 block mosaic graphic characters 32 characters for OSD in expanded character ROM + 32 characters inside OSD box saturation of basic colors adjustable in 4 steps 8 foreground + 8 background colours out of 64 colours Conceal/reveal Transparent foreground/background - inside/outside of a box...
  • Page 8 IC description One 4-bit port working as digital or analog inputs for the ADC ( Port2 ) One 1-bit Input-port with secondary functions ( P4.7 / VS / EVEN_ODD ) One 1-bit I/O-port ( P4.0 ) ( ROM Version ) One 2-bit I/O-port with optional RAM/ROM address expansion up to 512Kbyte ( P4.0 and P4.1 ) ( ROMless Version ) One 2-bit I/O-ports ( P4.2, P4.3 ) Additional Features...
  • Page 9 IC description (3) Block Diagram Figure 5 Block Diagram 1) only ROM-versions 2) only ROMless-versions 3) only SDA5450 and SDA5454 to SDA5457 4) 10kByte for SDA5450, 8kByte for SDA5454 to SDA5457, 1kByte for SDA5451 and SDA5452...
  • Page 10 IC description (4) Pin Configuration S-DIP-52 ( ROM Version ) ( Top view ) Figure 1 S-DIP-52 ( ROM Version of SDA 545x )
  • Page 11 IC description 4-2. DW 90244 - *** ( z90244 : ZILOG TYPE ) (1) GENERAL DESCRIPTION The Z9024X Digital Television Contrlooer ( DTC ) family is ZiLOG’ s most powerful Z8-based DTC product offering. Enhanced features of the Z9024X include : * Large System RAM and ROM * Flexible Inter-Row Spacing * High-Resolution Character Cell...
  • Page 12 IC description (3) BLOCK DIAGRAM...
  • Page 13 IC description (4) PIN-OUTS AND PIN DIRECTION Z9024X PRODUCT PIN DIAGRAM...
  • Page 14 IC description (5) PIN DESCRIPTION Z9024X 42-PIN SDIP PIN DESCRIPTIONS Pin Number Pin Function Direction Reset State Name Note 11, 27 +5 Volts 10, 25 0 Volts GND, AGND Infra Red remote capture input IRIN 14-bit Pulse Width Modulator Output PWM11 42, 41, 33, 32, 14, 17, 6-Bit Pulse Width Modulator Output...
  • Page 15 IC description 4-3. TDA6107Q ( Triple video output amplifier ) (1) General description The TDA6107Q includes three video output amplifiers in one plasticDIL-bent-SIL 9-pin medium power ( DB9MPF ) package(SOT111-1),using high-voltage DMOS technology, and is intended to drive the three cathodes of a colour CRT directly.
  • Page 16: Trouble Shooting Charts

    5. Trouble Shooting Charts 5-1. NO RASTER...
  • Page 17 Trouble Shooting Charts 5-2. NO PICTURE ( RASTER OK )
  • Page 18 Trouble Shooting Charts 5-3. NO VERTICAL SCANNING ( ONE HORIZONTAL LINE ON SCREEN )
  • Page 19 Trouble Shooting Charts 5-4. NO COLOR...
  • Page 20 Trouble Shooting Charts 5-5. NO SOUND ( PICTURE OK )
  • Page 21 Trouble Shooting Charts 5-6. NO EXTERNAL A/V ( RF OK ) 5-7. NO ON-SCREEN DISPLAY ( PICTURE OK )
  • Page 22 Trouble Shooting Charts 5-8. REMOTE CONTROL UNIT TROUBLE ( LOCAL CONTROL OK )
  • Page 23: Service Parts List

    6. Service Parts List Caution In this Service Manual, some parts can be changed for improving, their performance without notice in the parts list. So, if you need the latest parts information, please refer to PPL(Parts Price List) in Service information Center(http://svc.dwe.co.kr) is recommendable spare part.
  • Page 24 Service Parts List PART CODE PART NAME DESCRIPTION REMARK C103 CEXF1E470V C ELECTRO 25V RSS 47MF (5X11) TP C104 CEXF1H479V C ELECTRO 50V RSS 4.7MF (5X11) TP C105 CEXF1H479V C ELECTRO 50V RSS 4.7MF (5X11) TP C106 CCZF1H103Z C CERA 50V F 0.01MF Z C107 CEXF1H479V...
  • Page 25 Service Parts List PART CODE PART NAME DESCRIPTION REMARK C505 CEXF1E101V C ELECTRO 25V RSS 100MF (6.3X11) TP C506 CMXM2A473J C MYLAR 100V 0.047MF J (TP) C508 CMXM2A473J C MYLAR 100V 0.047MF J (TP) C510 CMXM2A473J C MYLAR 100V 0.047MF J (TP) C511 CCZB1H181K C CERA...
  • Page 26 Service Parts List PART CODE PART NAME DESCRIPTION REMARK C722 CXCH1H121J C CERA 50V CH 120PF J (TAPPING) C723 CXCH1H750J C CERA 50V CH 75PF J (TAPPING) C724 CCZF1H103Z C CERA 50V F 0.01MF Z C725 CEXF1H220V C ELECTRO 50V RSS 22MF (5X11) TP C726 CCZB1H331K C CERA...
  • Page 27 Service Parts List PART CODE PART NAME DESCRIPTION REMARK D405 D1N4148--- DIODE 1N4148 (TAPPING) D406 D1N4148--- DIODE 1N4148 (TAPPING) D409 D1N4936GP- DIODE 1N4936GP (TAPPING) D413 DMTZJ30D-- DIODE ZENER MTZJ 30D (TAPPING) D414 DMTZJ30D-- DIODE ZENER MTZJ 30D (TAPPING) D502 D1N4148--- DIODE 1N4148 (TAPPING) D503...
  • Page 28 Service Parts List PART CODE PART NAME DESCRIPTION REMARK DA03 DUZ6R2BM-- DIODE ZENER UZ-6.2BM 6.2V DA04 DUZ9R1BM-- DIODE ZENER UZ-9.1BM 9.1V DA06 DUZ9R1BM-- DIODE ZENER UZ-9.1BM 9.1V DA07 DUZ6R2BM-- DIODE ZENER UZ-6.2BM 6.2V DA08 DUZ6R2BM-- DIODE ZENER UZ-6.2BM 6.2V DA09 DUZ9R1BM-- DIODE ZENER UZ-9.1BM 9.1V...
  • Page 29 Service Parts List PART CODE PART NAME DESCRIPTION REMARK L105 5CPZ100K02 COIL PEAKING 10UH K (AXIAL 3.5MM) L401 5CPZ109M02 COIL PEAKING 1UH M (AXIAL 3.5MM) L405 58H0000016 COIL H-LINEARITY L-102 (102UH) L501 5CPZ100K02 COIL PEAKING 10UH K (AXIAL 3.5MM) L503 85801065GY WIRE COPPER AWG22 1/0.65 TIN COATING...
  • Page 30 Service Parts List PART CODE PART NAME DESCRIPTION REMARK Q602 TKTC3198Y- KTC3198Y Q603 TKTC3198Y- KTC3198Y Q604 TKTC3198Y- KTC3198Y Q605 TKTC3198Y- KTC3198Y Q606 TKTA1266Y- KTA1266Y (TP) Q607 TKTC3198Y- KTC3198Y Q702 TKTC3202Y- KTC3202Y (TP) Q705 TKTC3198Y- KTC3198Y Q706 TKTC3198Y- KTC3198Y Q707 TKTC3198Y- KTC3198Y Q708 TKTA1266Y-...
  • Page 31 Service Parts List PART CODE PART NAME DESCRIPTION REMARK R404 RD-AZ101J- R CARBON FILM 1/6 100 OHM J R405 RD-AZ331J- R CARBON FILM 1/6 330 OHM J R406 RD-4Z562J- R CARBON FILM 1/4 5.6K OHM J R407 RD-4Z682J- R CARBON FILM 1/4 6.8K OHM J R408 RS02Z561JS...
  • Page 32 Service Parts List PART CODE PART NAME DESCRIPTION REMARK R545 RD-AZ152J- R CARBON FILM 1/6 1.5K OHM J R546 RD-AZ101J- R CARBON FILM 1/6 100 OHM J R547 RD-AZ101J- R CARBON FILM 1/6 100 OHM J R548 RD-AZ101J- R CARBON FILM 1/6 100 OHM J R601 RD-AZ471J-...
  • Page 33 Service Parts List PART CODE PART NAME DESCRIPTION REMARK R720 RS02Z562JS R M-OXIDE FILM 2W 5.6K OHM J SMALL R721 RD-AZ100J- R CARBON FILM 1/6 10 OHM J R727 RD-AZ472J- R CARBON FILM 1/6 4.7K OHM J R728 RD-4Z100J- R CARBON FILM 1/4 10 OHM J R729 RD-AZ333J-...
  • Page 34 Service Parts List PART CODE PART NAME DESCRIPTION REMARK R811 RS01Z240J- R M-OXIDE FILM 1W 24 OHM J (TAPPING) R812 RF02Z338K- R FUSIBLE 2W 0.33 OHM K (TAPPING) R813 RD-4Z102J- R CARBON FILM 1/4 1K OHM J R814 RS02Z563J- R M-OXIDE FILM 2W 56K OHM J (TAPPING) R824 RS02Z430JS...
  • Page 35 Service Parts List PART CODE PART NAME DESCRIPTION REMARK Z503 5PXLP4557- FILTER CERA SLP-4557 (TP) Z601 5PXFSH5R5M FILTER CERA SFSH5.5MCB-TF21 (TP) Z602 5PXFSH6R5M FILTER CERA SFSH6.5MCB-TF21 (TP) Z603 5PXFSH4R5M FILTER CERA SFSH4.5MCB-TF21 (TP) Z604 5PXFSH6R0M FILTER CERA SFSH6.0MCB-TF21 (TP) Z801 DSVC471D14 VARISTOR SVC471D14A...
  • Page 36: Part Name

    Service Parts List DIFFERENCE PARTS LIST OF TM & VG MODEL TM model VG model loc. REMARK part name specitication part name specitication ZZ100 48B3228B03 R-28B03 48B3228B04 R-28B04 REMOTE CONTROLLER REMOTE CONTROLLER I701 1DW5457*** IC MICOM DW5457-*** 1DW244***- IC MICOM DW90244-*** u-com difference C513 CBZF1H104Z C CERA SEMI...
  • Page 37: Cabinet Parts List

    Service Parts List INCH DIFFERENCE PARTS LIST OF CP-371 CHASSIS PART NAME 14" (CPT CRT) 16" (OHPT CRT) 20" (OEC CRT) 21"( PHILIPS CRT) REMARK C410 C MYLAR 1.6kV 7200pF 1.6kV 8200pF 1.6kV 7200pF 1.6kV 7200pF retrace capacitor C411 C MYLAR 200V PU 0.3MF J 200V PU 0.3MF J 200V PU 0.36MF J 200V PU 0.47MF J scannaing capacitor C427...
  • Page 38: Mechanical Exploded View

    7. Mechanical Exploded View 1. 14D3...
  • Page 39 Mechanical Exploded View 2. 16D3...
  • Page 40 Mechanical Exploded View 3. 20D3...
  • Page 41 Mechanical Exploded View 4. 21D3...
  • Page 42 DAEWOO ELECTRONICS CO., LTD 686, AHYEON-DONG MAPO-GU SEOUL, KOREA C.P.O. BOX 8003 SEOUL, KOREA TELEX : DWELEC K28177-8 CABLE : “ DAEWOOELEC” E-mail : G7F00E@web.dwe.co.kr FAX : 82-32-510-7630 TEL : 82-32-510-7624 PRINTED DATE : JAN. 2000...

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