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Service Manual
Color Television
CHASSIS : CN-013
Model :
DTQ-29S2FCC
DTQ-26S2FCC
DTQ-26S2FCC / DTQ-29S2FCC
SPECIFICATIONS
MODEL
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. : TCN013AEF0
U.S.A
DTQ-29S2FCC
DTQ-26S2FCC
NTSC-M
AC 120V 60Hz
97W
Frequency Synthesizer(FS)Tuning System
VHF:2~13(12)
UHF:14~69(65)
CATV:1~125(125)
1.6W x 1.6W x 0.5W
3W 8ohm
75ohm Unbalanced
Front : Video, Audio
Rear:Video
, Audio
(In/Out : MTI, Out :Matrix speaker)
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
95W
Feb. 2002
.
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Table of Contents
Related Manuals for Daewoo DTQ-29S2FCC
Summary of Contents for Daewoo DTQ-29S2FCC
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Page 1: Service Manual
S/M No. : TCN013AEF0 Service Manual Color Television CHASSIS : CN-013 Model : DTQ-29S2FCC U.S.A DTQ-26S2FCC DTQ-26S2FCC / DTQ-29S2FCC SPECIFICATIONS MODEL DTQ-29S2FCC DTQ-26S2FCC ITEMS TV STANDARD NTSC-M POWER INPUT AC 120V 60Hz POWER CONSUMPTION Frequency Synthesizer(FS)Tuning System TUNING SYSTEM VHF:2~13(12) -
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..................... 14 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 MODE DTQ-29S2FCC DTQ-26S2FCC REMARKS ITEMS TV STANDARD NTSC-M POWER INPUT AC120V 60Hz POWER CONSUMPTION TUNNING SYSTEM Frequency Synthesizer (FS) Tuning System VHF : 2 ~ 13 (12) TUNING RANGES UHF : 14 ~ (56) CATV : 1 ~ 125 (125) SOUND OUTPUT 1.6W X 1.6W X 0.5W... -
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 CN-013 CHASSIS... -
Page 13: Exploded View
EXPLODED VIEW 1. DTQ-29S2FCC... - Page 14 EXPLODED VIEW 1. DTQ-26S2FCC...
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Page 15: Printed Circuit Board
PRINTED CIRCUIT BOARD... -
Page 16: Service Parts List
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) z_loc z_parts_code parts_name... - Page 17 SERVICE PARTS LIST z_loc z_parts_code parts_name parts_descr z_loc z_parts_code parts_name parts_descr ZZ200 PTMPJ2J922 PCB CHIP MOUNT B AS DTQ-26S2FCC CC714 HCQK101JCA C CHIP CERA 50V CH 100PF J 2012 CC715 HCQK101JCA C CHIP CERA 50V CH 100PF J 2012 CC151 HCFK104ZCA C CHIP CERA 50V Y5V 0.1MF Z 2012 CC717 HCQK101JCA...
- Page 18 SERVICE PARTS LIST z_loc z_parts_code parts_name parts_descr z_loc z_parts_code parts_name parts_descr RC573 HRFT102JCA R CHIP 1/10 1K OHM J 2012 RC747 HRFT392JCA R CHIP 1/10 3.9K OHM J 2012 RC601 HRFT182JCA R CHIP 1/10 1.8K OHM J 2012 RC748 HRFT102JCA R CHIP 1/10 1K OHM J 2012 RC602 HRFT182JCA...
- Page 19 SERVICE PARTS LIST z_loc z_parts_code parts_name parts_descr z_loc z_parts_code parts_name parts_descr E012 4856310600 EYE LET BSR T0.2 (R2.3) C202 CEXD1H479F C ELECTRO 50V RND 4.7MF (6.3X11) TP C203 CEXF1H479V C ELECTRO 50V RSS 4.7MF (5X11) TP E013 4856310600 EYE LET BSR T0.2 (R2.3) C204 CEXF1H479V...
- Page 20 SERVICE PARTS LIST z_loc z_parts_code parts_name parts_descr z_loc z_parts_code parts_name parts_descr C620 CEXF1H100V C ELECTRO 50V RSS 10MF (5X11) TP R419 RN02B101JS R METAL FILM 2W 100 OHM J SMALL C621 CEXF1H339V C ELECTRO 50V RSS 3.3MF (5X11) TP R420 RN02B620JS R METAL FILM 2W 62 OHM J SMALL...
- Page 21 SERVICE PARTS LIST z_loc z_parts_code parts_name parts_descr z_loc z_parts_code parts_name parts_descr D826 D1N4004S-- DIODE 1N4004S J062 85801065GY WIRE COPPER AWG22 1/0.65 TIN COATING J063 85801065GY WIRE COPPER AWG22 1/0.65 TIN COATING DM901 D1N4148--- DIODE 1N4148 (TAPPING) J064 85801065GY WIRE COPPER AWG22 1/0.65 TIN COATING DM902 D1N4148--- DIODE...
- Page 22 SERVICE PARTS LIST z_loc z_parts_code parts_name parts_descr z_loc z_parts_code parts_name parts_descr L533 5CPZ150K02 COIL PEAKING 15UH K (AXIAL 3.5MM) 00001 TKTC3229-- KTC3229 L601 5CPZ100K02 COIL PEAKING 10UH K (AXIAL 3.5MM) 0000A 4857026900 HEAT SINK AL EX L602 5CPZ100K02 COIL PEAKING 10UH K (AXIAL 3.5MM) 0000B 7174301011...
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Page 23: Different Parts List
SERVICE PARTS LIST 1. DIFFERENT PARTS LIST parts_code parts_name parts_desc DTQ-26S2FCC DTQ-29S2FCC L401 58H0000056 COIL H-LINEARITY TRL-250D L401 58H0000025 COIL H-LINEARITY TRL-330 R404 RS01Z249J- R M-OXIDE FILM 1W 2.4 OHM J (TAPPING) R404 RF01Z398K- R FUSIBLE 1W 0.39 OHM K (TAPPING) -
Page 24: Ic Description
IC DESCRIPTION Appendix U-COM(I701) POWER ON(H) TV ONLY (H) Degaussing SW CAPTION AUDIO MUTE(H) ST / MONO P13/PWM1 SOUND RESET BLUE BACK P14/PWM2 H.OUT P15/PWM3 AVI.2 ON(L)/OFF(H) POWER ON AUTO TINT AV S/W 3-SYS P17/PWM REMOCON IN P73/INT3/TOIN CLOCK P72/INT2/TOIN DATA/IN P71/INT1 DATA/OUT... - Page 25 IC DESCRIPTION Appendix PIN NAME DESCRIPTION(LEVEL) TV Only(H) CAPTION ST/MONO BLUE BACK ¡° AV 1, 2¡± AUTO TINT 3-SYS 32.768KHz 32.768KHz KEY IN SW701~6 AFT IN I101 #10 AGC IN ¡° U101, I101 #4¡± D-SENSOR RESET ¡° RESET ACTIVE¡± ¡± L¡± ¡± ¡± FILTER FILTER CVSB IN...
- Page 26 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 27 IC DESCRIPTION Appendix I603 MSP3420G : SOUND PROCESSOR XTAL_OUT XTAL_IN TESTEN ANA_IN2+ ANA_IN- DVSS STANDBY ANA_IN1+ 12C_CL AVSUP AVSS 12C_DA VREFTOP SC1_IN_R SC1_IN_L 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 VREF1 MAIN_R_OUT MAIN_L_OUT SC2_OUT_L DACM_SUB...
- Page 28 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 29 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 30 Appendix IC DESCRIPTION I804 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 31: 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 32 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 33 Appendix TROUBLESHOOTING GUIDE 3.1 NO SOUND 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 I701 RESET MICOM...
- Page 34 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 RF AGC OUTPUT...
- Page 35 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 36 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 37 DAEWOO ELECTRONICS CO., LTD 686, AHYEON-DONG MAPO-GU SEOUL, KOREA C.P.O. BOX 8003 SEOUL, KOREA TELEX : DWELEC K28177-8 CABLE : “ DAEWOOELEC” PRINTED DATE : FEB. 2002...