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Service Manual
Color Television
CHASSIS : CN-011
Model :
DTQ-29S3FC
DTQ-26S3FC
DTQ-26S3FCM
DTQ-29S3FC
DTQ-26S3FC
SPECIFICATIONS
MODEL
DTQ-29S3FC
ITEMS
TV STANDARD
POWER INPUT
POWER CONSUMPTION
TUNING SYSTEM
TUNING RANGES
SOUND OUTPUT
SPEAKER
ANTENNA INPUT
IMPEDANCE
AUXILIARY
INPUT TERMINAL
INTERMEDIATE
FREQUENCIES
REMOTE CONTROL
SPECIAL FUNCTIONS
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 CO., LTD
http : //svc.dwe.co.kr
S/M No. : TCN011NEF0
U.S.A
Canada
DTQ-26S3FCM
DTQ-26S3FC
NTSC-M
AC 120V 60Hz
97W
95W
Frequency Synthesizer(FS)Tuning System
VHF:2~13(12)
UHF:14~69(65)
CATV:1~125(125)
1.8W 1.8W
1.8W+1.8W
3W 8ohm
75ohm Unbalanced
Front : Video, Audio
Rear:Video, Audio
Picture IF Carrier Frequency :45.75MHz
Sound IF Carrier Frequency :41.25MHz
Color Sub-Carrier Frequency :42.17MHz
R-43A01
3-Language OSD
With CAPTION
Wake-up On/Off Time
Sleep Timer
Power Restore
DTQ-26S3FCM
90W
1.8W
Aug. 2000
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Table of Contents
Related Manuals for Daewoo DTQ-29S3FC
Summary of Contents for Daewoo DTQ-29S3FC
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Page 1: Service Manual
: 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 CO., LTD http : //svc.dwe.co.kr Aug. 2000... -
Page 2: Table Of Contents
TABLE OF CONTENTS SAFETY INSTRUCTION ....................2 SPECIFICATIONS ......................4 CIRCUIT BLOCK DIAGRAM ..................5 ALIGNMENT INSTRUCTIONS..................6 1. SERVICE MODE ADJUSTMENTS......................6 2. ASSEMBLY ADJUSTMENTS ........................ 7 SCHEMATIC DIAGRAM ....................11 EXPLODED VIEW ......................12 PRINTED CIRCUIT BOARD..................... 15 SERVICE PARTS LIST ..................... -
Page 3: Safety Instruction
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 4 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 5: Specifications
SPECIFICATIONS MODEL DTQ-29S3FC DTQ-26S3FC DTQ-26S3FCM REMARKS ITEMS TV STANDARD NTSC-M AC 120V 60 Hz POWER INPUT POWER CONSUMPTION TUNING SYSTEM Frequency Synthesizer ( FS ) Tuning System VHF : 2 ~ 13 (12) TUNING RANGES UHF : 14 ~ 69 (56) -
Page 6: Circuit Block Diagram
CIRCUIT BLOCK DIAGRAM... -
Page 7: 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 8: Assembly Adjustments
ALIGNMENT INSTRUCTIONS Table-B DATA MODE ADJUSTMENT ITEMS REMARKS INITIAL RANGE Screen Adjustment Auto RF AGC Video Level (VIDEOL) 0 ~ 7 Must be set to 7 RF AGC Delay (RFAGCD) 0 ~ 63 Align RF AGC threshold FM Level (FM.LEV) 0 ~ 31 Must be set to 20 AGC Point... - Page 9 ALIGNMENT INSTRUCTIONS 2) FOCUS ADJUSTMENT • Turn in a local station and adjust the Focus Control knob (located on FBT) for best picture details at high light condition. 3) RF AGC DELAY ADJUSTMENT (S5) • Receive a good local channel. •...
- Page 10 ALIGNMENT INSTRUCTIONS 4-3. Vertical Size Adjustment • Select “ V.SIZE” item, adjust “ V.SIZE” data value to proper vertical size as follows. 5) WHITE BALANCE ADJUSTMENT(S8) • Receive a good local channel. • Enter the service mode and select service adjustment S8. •...
- Page 11 ALIGNMENT INSTRUCTIONS • Select Subbrightness item, adjust Subbrightness data value to obtain normal brightness level. • Press the DISPLAY button to memorize the data. CONTRAST • Fixed value = 27 TINT • Fixed value = 27 COLOR • Fixed value = 15 7) FACTORY OUTGOING MODE (S12 : FACT) •...
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Page 12: Schematic Diagram
SCHEMATIC DIAGRAM... -
Page 13: Exploded View
EXPLODED VIEW 1. DTQ-29S3FC... - Page 14 EXPLODED VIEW 2. DTQ-26S3FC...
- Page 15 EXPLODED VIEW 3. DTQ-26S3FCM...
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Page 16: Printed Circuit Board
PRINTED CIRCUIT BOARD... -
Page 17: Service Parts List
PPL(Parts Price List) in Service information Center(http://svc.dwe.co.kr) PART CODE PART NAME DESCRIPTION REMARK PART CODE PART NAME DESCRIPTION REMARK DTQ-29S3FC DTQ-29S3FC C814 CEYN2D221T C ELECTRO 200V FWS 220MF (22X30) ZZ100 48B4343A01 R-43A01 (AA) C825... - Page 18 TPS-4.5MB TRAP (TAPPING) CC631 HCQK470JCA C CHIP CERA 50V CH 47PF J 2012 ZZ200 PTMPJ2J787 PCB CHIP MOUNT B AS DTQ-29S3FC CC632 HCQK200JCA C CHIP CERA 50V CH 20PF J 2012 CC151 HCFK104ZCA C CHIP CERA 50V Y5V 0.1MF Z 2012...
- Page 19 SERVICE PARTS LIST PART CODE PART NAME DESCRIPTION REMARK PART CODE PART NAME DESCRIPTION REMARK RC361 HRFT113JCA R CHIP 1/10 11K OHM J 2012 RC708 HRFT472JCA R CHIP 1/10 4.7K OHM J 2012 RC362 HRFT473JCA R CHIP 1/10 47K OHM J 2012 RC712 HRFT472JCA R CHIP...
- Page 20 RC908 HRFT472FCA R CHIP 1/10 4.7K OHM F 2012 C311 CEXD1H109Q C ELECTRO 50V RT 1MF (6.3X11) TP ZZ200 PTMPJ0J787 DTQ-29S3FC C402 CEXF1C221V C ELECTRO PCB MAIN (RHU) AS 16V RSS 220MF (8X11.5) TP C105 CEXF1C471V C ELECTRO C403 CEXF1H109V...
- Page 21 5XEX3R579C HC-49U 3.579545M (TP) CRYSTAL QUARTZ C810 CEXF1H479V C ELECTRO 50V RSS 4.7MF (5X11) TP ZZ200 PTMPJAJ787 PCB MAIN AXIAL AS DTQ-29S3FC C811 CCXB3A471K C CERA 1KV B 470PF K (T) 2TM14006LB TAPE MASKING 3M #232 6.0X2000M C813 CCXB3A471K C CERA...
- Page 22 SERVICE PARTS LIST PART CODE PART NAME DESCRIPTION REMARK PART CODE PART NAME DESCRIPTION REMARK D822 DUZ5R6BM-- DIODE ZENER UZ-5.6BM(TAPPING) J065 85801065GY WIRE COPPER AWG22 1/0.65 TIN COATING D826 D1N4148--- DIODE 1N4148 (TAPPING) J066 85801065GY WIRE COPPER AWG22 1/0.65 TIN COATING D901 DLT2A05G-- DIODE...
- Page 23 SERVICE PARTS LIST PART CODE PART NAME DESCRIPTION REMARK PART CODE PART NAME DESCRIPTION REMARK J124 85801065GY WIRE COPPER R411 RD-4Z202J- R CARBON FILM 1/4 2K OHM J AWG22 1/0.65 TIN COATING J125 85801065GY WIRE COPPER R414 RD-AZ103J- R CARBON FILM 1/6 10K OHM J AWG22 1/0.65 TIN COATING J126...
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Page 24: Different Parts List
SERVICE PARTS LIST 1. DIFFERENT PARTS LIST PART CODE PART NAME DESCRIPTION 29S3FC 26S3FC 26S3FCM C203 CEXF1H479V C ELECTRO 50V RSS 4.7MF (5X11) TP C204 CEXF1H479V C ELECTRO 50V RSS 4.7MF (5X11) TP C205 CEXF1E221V C ELECTRO 25V RSS 220MF (8X11.5) TP C406 CMYE2G474J C MYLAR... - Page 25 SERVICE PARTS LIST PART CODE PART NAME DESCRIPTION 29S3FC 26S3FC 26S3FCM L606 5CPZ150K02 COIL PEAKING 15UH K (AXIAL 3.5MM) P401A 4850704S35 CONNECTOR YFH800-04+YDT236+ULW=500 P601A 4850704S38 CONNECTOR YH025-04+35098+ULW=400 P601A 4850704S25 CONNECTOR YH025-04+35098+ULW=300 R104 RS01Z472J- R M-OXIDE FILM 1W 4.7K OHM J (TAPPING) R404 RF01Z398K- R FUSIBLE...
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Page 26: Ic Description
IC DESCRIPTION Appendix U-COM(I701) TV ONLY (H) POWER ON(H) CAPTION Degaussing SW ST / MONO AUDIO MUTE(H) P13/PWM1 BLUE BACK P14/PWM2 SOUND RESET H.OUT 26"29" OPTION P15/PWM3 ON(L)/OFF(H) AUTO TINT POWER ON P17/PWM ST-BY(H) P73/INT3/TOIN REMOCON IN P72/INT2/TOIN P71/INT1 P70/INT0 KEY IN P84/AN4 P63/SCLK1... - Page 27 Appendix IC DESCRIPTION 1. Abstract. This specification is 1-Tuner Mono Model for North/South America, CCD 1-Chip MICOM LC863240V. It is developing software specification for tuning only NTSC TV F/S. 2. H/W Outline. 1) ROM : 28,672 x 8bits.tsc : 15,872 x 8 bits for CGROM. 2) RAM : 512 x 8bits.
- Page 28 Appendix IC DESCRIPTION 3) On Screen Displays function is interior designed. 4) Package. : 42 PIN SDIP. 5) Tuner (Pre-scaler.) C Bus. /PLL IC : TAU 6014-S(SIEMENS). 6) Remocon. : The IC of Transmission (MITSUBISHI M50560) C Bus) ◊ Apply one byte Read/Write mode. 7) E PROM.
- Page 29 Appendix IC DESCRIPTION - Auto Power On Function.(Power Restore function in the Special Menu) - Heat Run Function. --- OSD White Back-Ground - Sleep Timer. - Wake Up Time Function. - Off Time Function. - Remote Reception & Control. - Auto Tint. - Power Restore.
- Page 30 Appendix IC DESCRIPTION 5. Pin Description...
- Page 31 Appendix IC DESCRIPTION...
- Page 32 Appendix IC DESCRIPTION...
- Page 33 Appendix IC DESCRIPTION I101 DCT814B : IC VIDEO PROCESSOR AUDIO OUT SIF INPUT FM OUTPUT SIF APC FILTER PIF AGC SIF OUTPUT RF AGC OUT EXT. AUDIO INPUT PIF INPUT1 VCO FILTER PIF INPUT2 VCO COIL1 IF GND VCO COIL2 IF VCC APC FILTER FM FILTER...
- Page 34 IC DESCRIPTION Appendix I603 MSP3435G : SOUND PROCESSOR XTAL_OUT XTAL_IN TESTEN ANA_IN2+ ANA_IN- DVSS STANDBY ANA_IN1+ 12C_CL AVSUP AVSS 12C_DA VREFTOP SC1_IN_L SC1_IN_R SC2_IN_R SC2_IN_L SC3_IN_L DVSUP SC3_IN_L DVSS AGNDC AHVSS CAPL_M RESETQ AHVSS CAPL_A SC1_OUT_L VREF_2 SC1_OUT_R MAIN_R_OUT VREF1 MAIN_L_OUT SC2_OUT_L DACM_SUB...
- Page 35 IC DESCRIPTION Appendix PIN CONNECTIONS AND SHORT DESCRIPTIONS NC = not connected; leave vacant LV = if not used, leave vacant OBL = obligatory; connect as described in circuit diagram DVSS: if not used, connect to DVSS AHVSS: connect to AHVSS PIN NO.
- Page 36 IC DESCRIPTION Appendix PIN NO. CONNECTION PIN NAME TYPE SHORT DESCRIPTION (if not used) PSDIP 52-PIN CAPL_A Volume capacitor AUX AHVSUP Analog power supply 8V CAPL_M Volume capacitor MAIN AHVSS Analog ground AGNDC Analog reference voltage SC3_IN_L "SCART3 input, left" SC3_IN_R "SCART3 input, right"...
- Page 37 Appendix IC DESCRIPTION I801 POWER CONTROL MODULE DPM 011 TIA PIN NO DESCRIPTION PIN NO DESCRIPTION ST-BY VCC POWER ON DELAY ON/OFF ON/OFF PULSE GND2 GND1 +133V INPUT...
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Page 38: Troubleshooting Guide
TROUBLESHOOTING GUIDE Appendix 1. NO POWER If MICOM(I701) is DW863240V-EA1, set does not operate, or remocon does not operate, then replace DW863240V-EA1 < with DW863240V-EA2(I701) eplace 24LC16B(I703) with 24LC16B(I703)which ROM DATA was written : A.S PARTS FROM FBT 10V Check Check F801(125V 5A) D801... - Page 39 Appendix TROUBLESHOOTING GUIDE 2. NO PICTURE NG : GO to the figure c Check the waveform of I101 #46 OK : Go the figure d Check the voltages U101 SF101 IF OUT TUNER SAW FILTER T-DATA T-CLOCK Check clock/data signal Check #29 #30 IF AGC voltage...
- Page 40 Appendix TROUBLESHOOTING GUIDE 3.1 NO SOUND(DTQ-29S3FC/DTQ-26S3FC) NG : Go to the figure e Check audio output signal of I601 #24 #25 OK : Go to the figure f SF101 SAW FILTER TUNER Check IF AGC voltage #29 #30 FROM I701...
- Page 41 Appendix TROUBLESHOOTING GUIDE 3. 2 NO SOUND(DTQ-26S3FCM) NG : Go to the figure g Check audio output signal of I101 #1 OK : Go to the figure h U102 SF101 IF OUT TUNER SAW FILTER T-DATA T-CLOCK Check #29 #30 IF AGC voltage I701 Check...
- Page 42 Appendix TROUBLESHOOTING GUIDE 4. CH DON’ T STOP NG : Loss of signal or weak signal Check the input signal conditions OK : Go to the figure i Check 5V/33V LINE U102 SF101 IF OUT TUNER SAW FILTER T-DATA T-CLOCK AGC IN C103 #29 #30...
- Page 43 Appendix TROUBLESHOOTING GUIDE 5. NO COLOR Check Check C.V.S waveform the voltage composite video in Video/Chroma/Deflection Vcc Check the crystal Check the voltage I101 X502 RGB Vcc (8.2V) R OUT G OUT B OUT Check R/G/B signal 6. NO VERTICAL DEFLECTION Check the voltage Check...
- Page 44 Appendix TROUBLESHOOTING GUIDE 7. NO ON-SCREEN DISPLAY Check the signal (60Hz) V.SYNC IN Check I701 clock/data signal H.SYNC IN MICOM I101 OSD R Check OSD G the signal (15,734Hz) OSD B BLANK #11 #12 X701 32.768KHz Check ST-BY OSD R/G/B/BLANK signal Check the crystal If OSD does not operate,...
- Page 45 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 : leesk@web.dwe.co.kr TEL : 82-2-360-7802 FAX : 82-2-360-7877...