Daewoo DTQ-14Z5SC Service Manual
  1. Manuals
  2. Brands
  3. Daewoo Manuals
  4. TV
  5. DTQ-14Z5SC
  6. Service manual
Daewoo DTQ-14Z5SC Service Manual

Daewoo DTQ-14Z5SC Service Manual

Color television
Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual

Service Manual

Color Television
CHASSIS :
Model :
DTQ-14Z5SC
Caution
: In this 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.
S/M No. : TCN001PEF0
CN-001P
AUG. 2005

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the DTQ-14Z5SC and is the answer not in the manual?

Questions and answers

Related Manuals for Daewoo DTQ-14Z5SC

Summary of Contents for Daewoo DTQ-14Z5SC

  • Page 1: Service Manual

    Color Television CHASSIS : CN-001P Model : DTQ-14Z5SC Caution : In this 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.

  • Page 2: Table Of Contents

    TABLE OF CONTENTS SAFETY PRECAUTIONS PRODUCT SAFTY SERVICING GUIDELINES FOR AUDIO-VIDEO PRODUCS PRODUCT SAFTY SERVICING GUIDELINES FOR COLOR TELEVISION RECEIVERS SPECIFICATIONS BLOCK DIAGRAM ALIGNMENT INSTRUCTIONS SERVICE MODE ADJUSTMENTS ASSEMBLY ADJUSTMENTS PARENTAL CONTROL PASSWORD SETTINGS VOLTAGE CHART SCHEMATIC DIAGRAM EXPLODED VIEW PRINTED CIRCUIT BOARD ELECTRICAL PARTS LIST APPENDIX(Appendix is provide only by internet [http://svc,dwe.co.kr])

  • Page 3: Product Safty Servicing Guidelines For Audio-Video Producs

    PRODUCT SAFETY SERVICING GUIDELINES FOR AUDIO - VIDEO PRODUCTS CAUTION SUBJECT : X-RADIATION : DO NOT ATTEMPT TO MODIFY THIS PRODUCT IN ANY WAY. NEVER PERFORM CUSTOMIZED INSTALLATIONS WITHOUT MANUFAC- TURER'S APPROVAL. UNAUTHORIZED MODIFICATIONS WILL NOT ONLY VOID 1. BE SURE PROCEDURES AND INSTRUCTIONS TO ALL SERVICE PERSON- THE WARRANTY, BUT MAY LEAD TO YOUR BEING LIABLE FOR ANT RESULT- NEL COVER THE SUBJECT OF X-RADIATION.

  • Page 4: Product Safty Servicing Guidelines For Color Television Receivers

    PRODUCT SAFETY SERVICING GUIDELINES FOR COLOR TELEVISION RECEIVERS CAUTION : Do not attempt to modify this product in any way. Unau- GRAPHIC SYMBOLS : thorized modifications will not only void the warranty, but may lead to your being liable for any resulting property damage or user injury. The lightning flash with arrowhead symbol, Service work should be performed only after you are thoroughly within an equilateral triangle, is intended to alert...
  • Page 5 SUBJECT : IMPLOSION 4. Wall and shelf mounted installations using a commercial mounting kit, must follow the factory approved mounting instructions. A receiver mounted to a shelf or platform must retain its original 1. All direct viewed picture tubes are equipped with an integral implo- feet(or the equivalent thickness in spacers) to provide adequate sion protection system, but care should be taken to avoid damage are flow across the bottom, bolts or screws used for fasteners...

  • Page 6: Specifications

    SPECIFICATIONS MODEL DTQ -14Z5SC REMARK ITEM TV STANDARD NTSC - M POWER INPUT AC 120V / 60 Hz POWER CONSUMTION 55 WATTS TUNING SYSTEM FREQUENCY SYNTHESIZER(FS) TUNING SYSTEM TUNING RANGES VHF : 2 ~ 13 (12) UHF : 14 ~ 69 (56) CATV : 1 ~ 125 (125) SOUND OUTPUT 1.3W...

  • Page 7: Block Diagram

    BLOCK DIAGRAM...

  • Page 8: Alignment Instructions

    ALIGNMENT INSTRUCTIONS 1. SERVICE MODE ADJUSTMENTS Follow the steps below whenever service adjustment is required. See Table- A and Table- B to determine if service adjustments are required. 1) How to enter the service mode using the user remote control. Turn the set on.
  • Page 9 ALIGNMENT INSTRUCTIONS Table-B...
  • Page 10 ALIGNMENT INSTRUCTIONS Press the volume up or down button to exit in the screen adjustment mode. IF CONTROL AUTO RFAGC START VIDEO RFAGCD AGC ST AGC POINT 3.75 AGC CH NO NO SD POWER OFF...
  • Page 11 ALIGNMENT INSTRUCTIONS GEOMETRY H. SHIFT V. SHIFT V. SIZE V. SC V.LIN V.DC MOVE ADJUST RECALL:SET SHIFT SHIFT SHIFT SHIFT SHIFT SHIFT SIZE SIZE...
  • Page 12 ALIGNMENT INSTRUCTIONS 5) WHITE BALANCE ADJUSTMENT(S8) ∑ Receive a good local channel. ∑ Enter the service mode and select service adjustment S8. ∑ You can see the OSD as shown in below. 10 REF MOVE ADJUST RECALL : SET ∑ Using volume up or volume down, adjust service adjustment data of RD/GD/BD and RB/GB/BB until a good gray scale with normal whites is obtained.ALIGNMENT INSTRUCTIONS ∑...

  • Page 13: Parental Control Password Settings

    ALIGNMENT INSTRUCTIONS 3. PARENTAL CONTROL PASSWORD SETTINGS If user forget Parental Control Password as follows. 1) CHANGE THE PASSWORD. • Turn the set on. • Direct the remote control to the reception window of your TV/VCR • Using the MENU buttons, select the Special menu. •...

  • Page 14: Voltage Chart

    VOLTAGE CHART MODE MODE I501 2.46 0.07 0.43 0.03 2.55 2.69 0.05 3.12 0.04 0.04 2.39 0.06 1.98 3.38 1.99 2.49 2.27 4.88 0.07 4.89 2.81 0.46 2.43 0.07 3.28 0.05 2.34 8.17 0.07 2.48 0.04 2.46 0.08 2.46 2.43 0.06 1.96 0.06...
  • Page 15 VOLTAGE CHART MODE MODE I801 1.58 167.8 I401 8.46 5.03 20.4 11.7 0.18 0.08 1.57 1.74 MODE MODE Q401 Q806 5.01 4.98 2.26 35.2 5.11 4.52 4.95 Q404 Q835 0.07 6.36 0.02 0.02 0.65 Q450 Q845 0.57 0.02 0.64 0.69 Q510 Q848 4.94...

  • Page 17: Exploded View

    EXPLODED VIEW...

  • Page 20: Electrical Parts List

    REMARK PART CODE PART NAME DESCRIPTION REMARK ZZ100 48B5748C10 TRANSMITTER REMOCON R-48C10 (AAA) SF101 5PTSF5241P FILTER SAW TSF5241P ZZ110 PTACPWH728 ACCESSORY AS DTQ-14Z5SC T401 50D10A3—- TRANS DRIVE TD-10A3 10000 48586001E2 MANUAL INSTRUCTION DTQ-20V1FS T402 50H0000292 LTC-529 M821 4858213803 BAG INSTRUCTION L.D.P.E TO.05X250X400(+20)
  • Page 21 R CHIP 1/10 200 OHM J 1608 C510 CMXL1J334J C MYLAR 63V MEU 0.33MF J (TP) ZZ200 PTMPJ0H728 PCB MAIN (RHU) AS DTQ-14Z5SC C513 CMXM2A153J C MYLAR 100V 0.015MF J (TP) C310 CEXF1E102V C ELECTRO 25V RSS 1000MF (13X20) TP...
  • Page 22 1/0.6 TIN COATING Z501 5PXXT4R5MB FILTER CERA XT 4.5MB-TP 85801060GY WIRE COPPER 1/0.6 TIN COATING ZZ200 PTMPJAH728 PCB MAIN AXIAL AS DTQ-14Z5SC 85801060GY WIRE COPPER 1/0.6 TIN COATING A001 4859819891 PCB MAIN 197X246 S1B 85801060GY WIRE COPPER 1/0.6 TIN COATING...
  • Page 23 ELECTRICAL PARTS LIST PART CODE PART NAME DESCRIPTION REMARK R401 RD-4Z472J- R CARBON FILM 1/4 4.7K OHM J R405 RD-2Z152J- R CARBON FILM 1/2 1.5K OHM J R416 RD-2Z121J- R CARBON FILM 1/2 120 OHM J R417 RD-4Z302J- R CARBON FILM 1/4 3K OHM J R423 RD-AZ102J-...

  • Page 24: Waveforms

    WAVEFORMS (1) I501 PIN 12 (2) I501 PIN 13 V:1V/div V:1V/div H:25us/div H:25us/div (3) I501 PIN 14 (4) I501 PIN 17 V:1V/div V:500mV/div H:25us/div H:5ms/div (5) I501 PIN 56 (6) I501 PIN 60 V:500mV/div V:500mV/div H:25us/div H:25us/div (7) I501 PIN 63 (8) I501 PIN 53 V:10V/div V:2V/div...
  • Page 25 WAVEFORMS (9) I801 PIN 7 V:100V/div H:10us/div (10) T402 PIN 25.5V (11) T402 PIN 10.5V V:100V/div V:50V/div H:25us/div H:25us/div (12) T402 PIN HEATER (13) T402 PIN 180V V:10V/div V:100V/div H:25us/div H:25us/div...
  • Page 26 WAVEFORMS (14) T401 PIN H.V (15) T801 PIN 133V V:100V/div V:100V/div H:25us/div H:10us/div (16) Q401 COLLECTOR (17) CRT SOCKET PIN B V:5V/div V:50V/div H:25us/div H:25us/div (18) CRT SOCKET PIN R (19) CRT SOCKET PIN G V:50V/div V:50V/div H:25us/div H:25us/div...

  • Page 27: Ic Description

    Appendix IC DESCRIPTION I. MICOM Outline. 1. Abstract. This specification is 1-Tunner Mono Model for North America, CCD 1-Chip MICOM LA76950B It is developing software specification for tuning only NTSC system TV F/S. 2. H/W Outline. 1) ROM : 32K x 8bits.tsc 2) RAM : 1152 x 8bits.
  • Page 28 Appendix IC DESCRIPTION on the front panel are same function. . Search Channel Up/Down.(If No-Memory or only 1CH is Memory) . Channel Memory.(ADD/DELETE) . Channel Review Function. . Last Channel Memory Function. 4) OSD Function. . In Video Mode, Things(Items) that is concerned with Air and Cable disappear in the Menu. .
  • Page 29 Appendix IC DESCRIPTION II. PIN ASSIGN FUNCTION FUNCTION ”æ ”æ SIF Output PIF Input1 PIF AGC PIF Input2 SIF Input IF Ground FM FILTER RF AGC Output FM Output Video Output AUDIO Ooutput AFT Filter SIF APC Filter APC Filter IF Vcc Black Level Det.Filter EXT.

  • Page 30: Troubleshooting Guide

    TROUBLESHOOTING GUIDE Appendix 1. NO POWER...
  • Page 32 I501 SDA SCL I501 Check ATT FILTER Circut Auto out C630 I601 LA4224 C623 Sound Mute...

  • Page 33: No Color

    4. NO COLOR VI/VE Vcc X503 I501 5.NO VERTICAL DEFLECTION Check the voltage (25V) Vertical IC Vcc (25V) I501 X503 LA78040...

  • Page 34: Remote Control Does Not Operate

    6. REMOTE CONTROL DOES NOT OPERATE I501 Check the voltage...
  • Page 35 DAEWOO ELECTRONICS CORP. 686, AHYEON-DONG, MAPO-GU, SEOUL, KOREA. C.P.O. BOX 8003 SEOUL KOREA PRINTED DATE : AUG. 2005...

Table of Contents