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Service Manual
Color Television
CHASSIS :
Model :
DTQ-2133SSN
DTQ-21U4SSN
DTQ-2133SSFN
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. : TCN001GEF1
CN-001GF
SEP. 2005
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Table of Contents
Related Manuals for Daewoo DTQ-21U4SSN
Summary of Contents for Daewoo DTQ-21U4SSN
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Page 1: Service Manual
Color Television CHASSIS : CN-001GF Model : DTQ-2133SSN DTQ-21U4SSN DTQ-2133SSFN 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 TABLE OF CONTENTS TABLE OF CONTENTS TABLE OF CONTENTS TABLE OF CONTENTS TABLE OF CONTENTS TABLE OF CONTENTS TABLE OF CONTENTS TABLE OF CONTENTS TABLE OF CONTENTS TABLE OF CONTENTS TABLE OF CONTENTS TABLE OF CONTENTS TABLE OF CONTENTS TABLE OF CONTENTS TABLE OF CONTENTS TABLE OF CONTENTS... -
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 GRAPHIC SYMBOLS : CAUTION : Do not attempt to modify this product in any way. Unau- 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 during installation.
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Page 6: Specifications
SPECIFICATIONS MODEL DTQ-2133SSN DTQ-2133SSFN REMARK DTQ-21U4SSN ITEM TV STANDARD NTSC - M POWER INPUT 110V FREE POWER CONSUMTION 65 WATTS TUNING SYSTEM FREQUENCY SYNTHESIZER TUNING RANGES VHF : 2 ~ 13 (12) UHF : 14 ~ 69 (56) CATV : 1 ~ 125 (125) SOUND OUTPUT 1.3W+1.3W... -
Page 7: Block Diagram
BLOCK DIAGRAM Downloaded from www.Manualslib.com manuals search engine... -
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. •... - Page 9 ALIGNMENT INSTRUCTIONS Table-B DATA MODE ADJUSTMENT ITEMS REMARKS INITIAL RANGE Screen Adjustment Auto Vco OK, NG VIF VCO Adj 0~63 Auto Hvco OK, NG H Vco adj Auto RFAGC OK, NG RF-DELAY 0~125 Align RF AGC threshold AGC Point 3.75 3.25/3.5/3.75/4.0 Select AGC reference voltage VCO CH NO...
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Page 10: Assembly Adjustments
ALIGNMENT INSTRUCTIONS 2. ASSEMBLY ADJUSTMENTS 1) SCREEN ADJUSTMENT (S2) • Enter the service mode and select service adjustment S2. • You cna see the one horizontal line on the screen. • Adjust the Screen Control Volume (located on FBT) so that the horizontal line onscreen may be disappeared. - Page 11 ALIGNMENT INSTRUCTIONS 4) GEOMETRIC ADJUSTMENTS (S6) • Enter the service mode and select service adjustment S6. • You can see the OSD as shown in below. GEOMETRY H. SHIFT V. SHIFT V. SIZE VBLK SHIFT VBLK SHIFT ON NO SD POWER OFF MOVE ADJUST RECALL:SET...
- 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. 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 ∑...
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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: Schematic Diagram
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Page 15: Exploded View
Designed by Checked by Inspected by Approved by ASSY NAME UNITS BAE.J.H DEVELOPMENT DWG ( 1 / 1 ) 0.250 SCALE MODEL DTQ-21U4SSN Daewoo Electronics Corp. 485009M6 Mechani c al Desi g n Team, TV Research Center REFERENCE CN-001GF Downloaded from www.Manualslib.com manuals search engine... - Page 16 EXPLODED VIEW Downloaded from www.Manualslib.com manuals search engine...
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Page 17: Electrical Parts List
PART CODE PART NAME DESCRIPTION REMARK ZZ100 48B5748C04 TRANSMITTER REMOCON R-48C04 (AAA) L401 58H0000055 COIL H-LINEARITY TRL-361A ZZ110 PTACPWK123 ACCESSORY AS DTQ-21U4SSN L801 5PLF30A1— FILTER LINE LF-30A1 00010 4850A02510 ANT ROD S3BW216B (L=600 MM) M681 4856812001 TIE CABLE NYLON66 DA100 00030... - Page 18 KTC3205Y (TP) R816 RS02Z150JS R M-OXIDE FILM 2W 15 OHM J SMALL Q807 TKTC3205Y- KTC3205Y (TP) ZZ200 PTMPJRK123 PCB MAIN RADIAL AS DTQ-21U4SSN Q873 TKTC3198Y- KTC3198Y C101 CEXF1H109V C ELECTRO 50V RSS 1MF (5X11) TP R809 RN01B913JS R METAL FILM...
- Page 19 ELECTRICAL PARTS LIST PART CODE PART NAME DESCRIPTION REMARK PART CODE PART NAME DESCRIPTION REMARK 2TM10006LB TAPE MASKING 3M #232-MAP-C 6.2X2000M J004 85801060GY WIRE COPPER 1/0.6 TIN COATING A001 4859816692 PCB MAIN 330X246 S1B J006 85801060GY WIRE COPPER 1/0.6 TIN COATING C109 CCZF1H103Z C CERA...
- Page 20 ELECTRICAL PARTS LIST PART CODE PART NAME DESCRIPTION REMARK PART CODE PART NAME DESCRIPTION REMARK J075 85801060GY WIRE COPPER 1/0.6 TIN COATING R117 RD-AZ331J- R CARBON FILM 1/6 330 OHM J J076 85801060GY WIRE COPPER 1/0.6 TIN COATING R150 RD-AZ102J- R CARBON FILM 1/6 1K OHM J J077...
- Page 21 R METAL FILM 2W 24K OHM J SMALL R714 RD-AZ479J- R CARBON FILM 1/6 4.7 OHM J ZZ200 PTCPJAK123 PCB CRT AXIAL AS DTQ-21U4SSN R716 RD-AZ102J- R CARBON FILM 1/6 1K OHM J 2TM14006LB TAPE MASKING 3M #232 6.0X2000M R717...
- Page 22 ELECTRICAL PARTS LIST 110V / FREE VOLT DIFFERENTIAL PARTS LIST PARTS_NAME DTQ-2133/21U4SSN DTQ-2133SSFN PARTS_DESC. PARTS_DESC. 00020 ADAPTER 4859000240 2P15A 300V(D=4.0) C804 C ELECTRO CEYD2D331D 200V FHS 330MF(22X30) CEYD2G181D 400V FHS 180MF(25X35) C810 C CERA CCXB2H222K 500V B 2200PF K (TAPPING) CCXB3A472K 1KV B 4700PF K (TAPPING) C811...
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Page 23: 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 24 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 25 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 26 Appendix IC DESCRIPTION II. PIN ASSIGN TV ONLY P11/SCL1 P12/SCL2 CLOCK(EEPROM) TV / Y P00/PWMO P13/SDA1 PRISON AV1/AV2 P01/PWM1 P14/SDA2 DATA(EEPROM) DG ON RELAY P02/PWM2 P16/AD8/TIM2 MONITOR S-IN P03/PWM3/AD1 P50/H SYNC H SYNC TV/AV P04/PWM4/AD2 P51/V SYNC V SYNC AFT IN P52/B X-RAY P06/INT2/AD4...
- Page 27 Appendix IC DESCRIPTION III. PIN DESCRIPTION REMARKS NAME Downloaded from www.Manualslib.com manuals search engine...
- Page 28 IC DESCRIPTION IV. M61250(CROMA) Pin Configuration Downloaded from www.Manualslib.com manuals search engine...
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Page 29: Troubleshooting Guide
TROUBLESHOOTING GUIDE Appendix 1. NO POWER Downloaded from www.Manualslib.com manuals search engine... -
Page 30: No Picture
#40 #42 C517 180V R412 Downloaded from www.Manualslib.com manuals search engine... -
Page 31: No Sound
#40 #42 Z502 4.5M Trap Check ATT FILTER Circut C603 Downloaded from www.Manualslib.com manuals search engine... -
Page 32: Ch Don't Stop
Check T-SDA/SCL #31 #30 SVC S5 Key input Vco adjust Downloaded from www.Manualslib.com manuals search engine... -
Page 33: No Color
Check the voltage (25V) Vertical IC Vcc (25V) Downloaded from www.Manualslib.com manuals search engine... -
Page 34: No On Screen Disply
Check the voltage Downloaded from www.Manualslib.com manuals search engine... - Page 35 DAEWOO ELECTRONICS CORP. 686, AHYEON-DONG, MAPO-GU, SEOUL, KOREA. C.P.O. BOX 8003 SEOUL KOREA PRINTED DATE : SEP. 2005 Downloaded from www.Manualslib.com manuals search engine...