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Service Manual
Color Television
CHASSIS : CN-001G
Model
DTQ-14P2/P3FCG
DTQ-14P2/V1FCWG/P2SCG
DTQ-14V1/V5FCG/V1/V4SCG
DTQ-14V5FCNG/15U5SCG
DTQ-14V6FCBG/FCPG/FBBG/FPPG
DTQ-14J4FCGG/FCCG
DTQ-20V1/V4/V5FCG
DTQ-20V1/V4SCG
DTQ-20P2/P3FCG/P2SCG
DTQ-14V6NBG/NPG
DTQ-14V1/V3/V5FSG
DTQ-14V1/V3/V4/V5/V8/V9SSG
DTQ-14U1FSG/SSG/20U1FSG/SSG
DTQ-20P2SSG/15U5FSG/SSG/15U7SSG
DTQ-20V1/V3/V4FSG
DTQ-20V1/V3/V4/V5/V8/V9SSG
DTQ-14V1/V4/V5FSPG
DTQ-14V1/V4/V5/U1SSPG
DTQ-14V6NBPM/NPPG
DTQ-20V1/V4FSPG
DTQ-20V1/V3/V4/U1SSPG
DTQ-15U5SSPG
DTQ-14V1/V4/V8SSFG
DTQ-20V1/V4/V8SSFG
DTQ-14V4/20V4FCFG
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(http://svc.dwe.co.kr)
DAEWOO ELECTRONICS Corp.
http : //svc.dwe.co.kr
S/M No.:TCN001GEF0
U.S.A
CANADA
(AC120V)
Middle America
(AC 110V)
Chile, Peru, Philippines
(AC220V)
(AC90~250)
Korea, USA, Japen(AC90~260V)

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Table of Contents
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Summary of Contents for Daewoo DTQ-14P2/P3FCG

  • Page 1 : 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(http://svc.dwe.co.kr) DAEWOO ELECTRONICS Corp. http : //svc.dwe.co.kr...
  • Page 2: Table Of Contents

    TABLE OF CONTENTS SAFETY PRECAUTIONS ........................2 PRODUCT SAFTY SERVICING GUIDELINES FOR AUDIO - VIDEO PRODUCS......... 2 PRODUCT SAFTY SERVICING GUIDELINES FOR COLOR TELEVISION RECEIVERS ......3 SPECIFICATIONS ..........................5 BLOCK DIAGRAM ..........................6 ALIGNMENT INSTRUCTIONS ......................7 SERVICE MODE ADJUSTMENTS ........................7 ASSEMBLY ADJUSTMENTS ..........................
  • Page 3: Safety Precautions

    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 DTQ-14P2/P3FCG DTQ-14P2/V1FCWG/P2SCG MODEL DTQ-14V1/V5FCG/V1/V4SCG DTQ-14V5FCNG/15U5SCG DTQ-14V6FCBG/FCPG/FBBG/FPPG DTQ-14J4FCGG/FCCG DTQ-14V1/V4/V5FSPG DTQ-20V1/V4FSPG ITEMS DTQ-14V1/V4/V8/U1SSFG DTQ-20V1/V4/V5FCG DTQ-20V1/V4SCG DTQ-14V1/V4/V5/U1SSPG DTQ-20V1/V3/V4/U1SSPG REMARKS DTQ-20V1/V4/V8/U1SSFG DTQ-20P2/P3FCG/P2SCG DTQ-14V6NBPG/NPPG DTQ-15U5SSPG DTQ-14V6NBG/NPG DTQ-14V4/20V4FCFG DTQ-14V1/V3/V5FSG DTQ-14V1/V3/V4/V5/V8/V9SSG DTQ-14U1FSG/SSG/20U1FSG/SSG DTQ-20P2SSG/15U5FSG/SSG/15U7SSG DTQ-20V1/V3/V4FSG DTQ-20V1/V3/V4/V5/V8/V9SSG TV STANDARD NTSC-M POWER INPUT AC 220V 50/60 Hz AC 120V 60 Hz AC90-250V(FCFM Series) 14 = 55W POWER CONSUMPTION...
  • 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: Assembly Adjustments

    ALIGNMENT INSTRUCTIONS...
  • Page 10: No Sound

    ALIGNMENT INSTRUCTIONS Press the volume up or down button to exit in the screen adjustment mode. IF CONTROL AUTO VCO VIF VCO ADJ AUTO HVCO HVCO ADJ AUTO RFAGC START RF-DELAY AGC POINT 3.75 VCO CH NO 22 AGC CH NO 10...
  • Page 11: Ch Don' T Memory Or Ch Skip

    ALIGNMENT INSTRUCTIONS GEOMETRY H. SHIFT V. SHIFT V. SIZE VBLK SHIFT VBLK SHIFT ON NO SD POWER OFF MOVE ADJUST RECALL:SET SHIFT SHIFT SHIFT SHIFT SHIFT SHIFT SIZE SIZE...
  • Page 12: No Color

    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. 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...
  • Page 15 VOLTAGE CHART...
  • Page 16 VOLTAGE CHART...
  • Page 17: Waveforms

    WAVEFORMS (1) I101 PIN 14 (2) I101 PIN 15 V:1V/div V:1V/div H:25us/div H:25us/div (3) I101 PIN 16 (4) I101 PIN 5 V:1V/div V:500mV/div H:25us/div H:5ms/div (5) I101 PIN 40 (6) I101 PIN 58 V:500mV/div V:500mV/div H:25us/div H:25us/div (7) I101 PIN 63 (8) I101 PIN 37 V:10V/div V:2V/div...
  • Page 18 WAVEFORMS (9) I701 PIN 38 (10) I801 PIN 7 V:20V/div V:100V/div H:25us/div H:10us/div (11) T402 PIN 25.5V (12) T402 PIN 10.5V V:100V/div V:50V/div H:25us/div H:25us/div (13) T402 PIN HEATER (14) T402 PIN 180V V:10V/div V:100V/div H:25us/div H:25us/div...
  • Page 19 WAVEFORMS (17) T401 PIN H.V (18) T801 PIN 133V V:100V/div V:100V/div H:25us/div H:10us/div (19) Q401 COLLECTOR (20) CRT SOCKET PIN B V:5V/div V:50V/div H:25us/div H:25us/div (21) CRT SOCKET PIN R (22) CRT SOCKET PIN G V:50V/div V:50V/div H:25us/div H:25us/div...
  • Page 20: Schematic Diagram

    SCHEMATIC DIAGRAM...
  • Page 21: Exploded View

    EXPLODED VIEW 1. DTQ-14V1FSG...
  • Page 22 EXPLODED VIEW 2. DTQ-14V3FSG...
  • Page 23 EXPLODED VIEW 3. DTQ-14V5FCG / FSG...
  • Page 24 EXPLODED VIEW 4. DTQ-14U1FSG...
  • Page 25 EXPLODED VIEW 5. DTQ-20V1FSG...
  • Page 26 EXPLODED VIEW 6. DTQ-20V3FSG...
  • Page 27 EXPLODED VIEW 7. DTQ-20V4FSG...
  • Page 28 EXPLODED VIEW 8. DTQ-20U1FSG...
  • Page 29: Electrical Parts List

    ELECTRICAL PARTS LIST CAUTION " " is a safety patt, so it must be used the same part. " " is a recommendable part for essential stock. z_loc z_parts_code parts_name parts_descr remark z_loc z_parts_code parts_name parts_descr remark ZZ100 48B4343A08 TRANSMITTER REMOCON R-43A08 (AA) C804 CEYN2D331P C ELECTRO...
  • Page 30 ELECTRICAL PARTS LIST z_loc z_parts_code parts_name parts_descr remark z_loc z_parts_code parts_name parts_descr RC230 HRFT101JBA R CHIP 1/10 100 OHM J 1608 RC918 HRFT241JBA R CHIP 1/10 240 OHM J 1608 RC502 HRFT822JBA R CHIP 1/10 8.2K OHM J 1608 RC919 HRFT241JBA R CHIP 1/10 240 OHM J 1608...
  • Page 31 ELECTRICAL PARTS LIST z_loc z_parts_code parts_name parts_descr remark z_loc z_parts_code parts_name parts_descr remark E030 4856310600 EYE LET BSR T0.2 (R2.3) C634 CEXF1H100V C ELECTRO 50V RSS 10MF (5X11) TP E031 4856310600 EYE LET BSR T0.2 (R2.3) C662 CCXF1H153Z C CERA 50V F 0.015MF Z E034 4856310600...
  • Page 32 ELECTRICAL PARTS LIST z_loc z_parts_code parts_name parts_descr remark z_loc z_parts_code parts_name parts_descr SW704 5S50101090 SW TACT THVH472GCA D408 D1N4937G-- DIODE 1N4937G (TAPPING) SW705 5S50101090 SW TACT THVH472GCA D409 D1N4148--- DIODE 1N4148 (TAPPING) SW706 5S50101090 SW TACT THVH472GCA D501 DUZ5R1B--- DIODE ZENER UZ-5.1B X502 5XEX3R579C...
  • Page 33 ELECTRICAL PARTS LIST z_loc z_parts_code parts_name parts_descr remark z_loc z_parts_code parts_name parts_descr remark 85801065GY WIRE COPPER AWG22 1/0.65 TIN COATING 85801065GY WIRE COPPER AWG22 1/0.65 TIN COATING 85801065GY WIRE COPPER AWG22 1/0.65 TIN COATING 85801065GY WIRE COPPER AWG22 1/0.65 TIN COATING 85801065GY WIRE COPPER AWG22 1/0.65 TIN COATING...
  • Page 34 ELECTRICAL PARTS LIST z_loc z_parts_code parts_name parts_descr remark R823 RD-4Z561J- R CARBON FILM 1/4 560 OHM J R868 RN-4Z2201F R METAL FILM 1/4 2.20K OHM F R869 RD-4Z102J- R CARBON FILM 1/4 1K OHM J R872 RD-4Z152J- R CARBON FILM 1/4 1.5K OHM J R874 RD-AZ102J-...
  • Page 36: Ic Description

    IC DESCRIPTION I. MICOM Outline. 1. Abstract. This specification is 1-Tunner Mono Model for North America, CCD 1-Chip MICOM M37150. 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 37 IC DESCRIPTION - Closed Caption Mode. (Off<-->C1<-->C2<-->T1<-->T2<-->Off) - CC On Mute.(Off / On) - When CC On Mute is On, Output is selected a item of Closed Caption Modes. 3) Tuning Function. - I2C Bus. - PLL IC Interface. - FS 181 Channel (AIR 2-69CH, CABLE 1-125CH)" - AFT Operation(Fine Tuning ) -2.5 ~ Fn ~ +2.5MHz - AIR/CABLE (STD, HRC, IRC ).
  • Page 38 IC DESCRIPTION 5. The Table of Option and Schedule OPTION REFERENCE REMARKS TV ONLY (H) LOW (DC 0V): VIDEO (L) : Video Model (“V” Series) HIGH (DC 5V) : TV (H) : No Video Model (“P” Series) PRISON LOW (DC 0V): NORMAL (L) : Normal Video HIGH (DC 5V) : PRISON (H) : Clock Menu (TIME) delete...
  • Page 39 IC DESCRIPTION Appendix...
  • Page 40 IC DESCRIPTION Appendix...
  • Page 41 IC DESCRIPTION IV. M61250(CROMA) Pin Configuration V RAMP CAP SIF LIMIT ER IN AFT OUT 8.7V REG OUT VIF Vcc(1) [ Cr IN ] VIF Vcc(2) [ Cb IN ] V. RAMP OUT Hi Vcc V RAMP F/B AUDIO AT T AFC FILT ER VREG Vcc DEF GND(1)
  • Page 42: No Power

    TROUBLESHOOTING GUIDE Appendix 1. NO POWER...
  • Page 43 #40 #42 C517 180V...
  • Page 44 #40 #42 Z502 4.5M Trap Check ATT FILTER Circut C603...
  • Page 45 Check T-SDA/SCL #31 #30 SVC S5 Key input Vco adjust...
  • Page 46 Check the voltage (25V) Vertical IC Vcc (25V)
  • Page 47 Check the voltage...

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