Daewoo DTQ-29M2FS Service Manual
Daewoo DTQ-29M2FS Service Manual

Daewoo DTQ-29M2FS Service Manual

Color television
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Service Manual

Color Television
CHASSIS : CN-012N
Model : DTQ-29M2FS
 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).
Specification
Model
Items
TV Standard
Power Input
Power Consumption
Tuning System
Tuning Ranges
Sound Output
Speaker
Antenna Input Impedance
Auxiliary Input Terminal
Auxiliary Output Terminal
Intermediate Frequencies
Remote Control
Special Function
DAEWOO ELECTRONICS CO., LTD
http : //svc.dwe.co.kr
S/M No. : TCN012NEF0
DTQ-29M2FS
DTQ-29M2FS
NTSC-M
120/220V, 50/60Hz
130W
Frequency Synthesizer(FS)Tuning System
TV
VHF(L) : CH2 - CH6
UHF(H): CH7-CH13
UHF
: CH14-CH69
CATV VHF(L) : 5A, A,B, A-5-A-1
CH2 - CH6
VHF(H) : C-W+11
CH7 - CH13
UHF
: W+12-W+84
7W+7W
8 ohm
12W 2EA
75 ohm Unbalanced
Font: Video, Audio(R,L)
Rear: Video, Audio(R,L)
Rear: Video, Audio(R,L)
Picture IF Carrier Frequency : 45.75MHz
Sound IF Carrier Frequency : 41.25MHz
Color Sub-Carrier Frequency : 3.579545MHz
R-43A05
1) Icon Type
5) Digital Sensor
2) 4-Language OSD
6) Surround
3) With CAPTION
7) AVC
4) CH Label
8) Wide Picture(Option)
Feb. 2001

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Summary of Contents for Daewoo DTQ-29M2FS

  • Page 1: Service Manual

    S/M No. : TCN012NEF0 Service Manual Color Television CHASSIS : CN-012N Model : DTQ-29M2FS DTQ-29M2FS  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).
  • Page 2: Table Of Contents

    TABLE OF CONTENTS SPECIFICATIONS ..........................2 CIRCUIT BLOCK DIAGRAM ......................3 ALIGNMENT INSTRUCTIONS ......................4 YOUR REMOTE CONTROL..........................4 SERVICE MODE ADJUSTMENT ........................5 ASSEMBLY ADJUSTMENT..........................6 SCHEMATIC DIAGRAM........................10 ELECTRICAL PARTS LIST.........................11 EXPLODED VIEW ..........................21 PRINTED CIRCUIT BOARD........................22 APPENDIX (Appendix is provide only by internet [http://svc.dwe.co.kr]) IC DESCRIPTION ..........................1 CHIP COMPONENTS POSITION......................3 TROUBLE SHOOTING GUIDE ......................9...
  • Page 3: Specifications

    SPECIFICATIONS MODEL DTQ-29M2FS REMARKS ITEMS TV STANDARD NTSC-M POWER INPUT 120/220V , 50/60Hz POWER CONSUMPTION 130W TUNING SYSTEM Frequency Synthesizer ( FS ) Tuning System VHF(L) : CH2 ~ CH6 UHF(H) : CH7 ~ CH13 : CH14 ~CH69 CATV VHF(L) : 5A, A,B, A-5 -A-1...
  • Page 4: Circuit Block Diagram

    CIRCUIT BLOCK DIAGRAM...
  • Page 5: Alignment Instructions

    ALIGNMENT INSTRUCTION Your Remote Control(R-43A05) 1. POWER use this button to turn your TV on or off. 2. MUTE Use to turn the TV's sound on and off. MUTE POWER Use these buttons to change your TV's volume, to activate selections in the menu system. MENU Use thesebuttons to change your TV's volume, to activate selections in the meny system, or to change...
  • Page 6: Service Mode Adjustment

    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 7: Assembly Adjustment

    ALIGNMENT INSTRUCTIONS Table-B DATA MODE ADJUSTMENT REMARKS INITIAL RANGE Screen Adjustment IF CONTROL RF AGC DELAY * 0 ~63 Align RF AGC threshold AGC POINT 3.75 3.25~4.0 Select AGC reference voltage A/D VALUE FM/AM PRESCALE 0~255 Must be set to 18 SCART PRESCALE 0~255 Must be set to 18...
  • Page 8 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 9 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 10 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 = 38 COLOR • Fixed value = 27 7) FACTORY OUTGOING MODE (S12 : FACT) •...
  • Page 11 6&+(0$7,&',$*5$0 &,5&8,7',$*5$0 &11&+$66,6 6(5926<6&21&(&&,5&8,7',$*5$0 7'(&. ...
  • Page 12: Electrical Parts List

    PART NAME PART DESCRIPTION REMARK ZZ100 48B4343A05 TRANSMITTER REMOCON R-43A05 (AA) M201 4852075201 MASK FRONT HIPS GY ZZ110 PTACPWJ829 ACCESSORY AS DTQ-29M2FS M251A 4852541301 GRILL R PS T0.45 4850Q00810 BATTERY R6P/LN M251B 4852541401 GRILL L PS T0.45 M821 4858213800 BAG INSTRUCTION L.D.P.E T0.05X250X400...
  • Page 13 PART DESCRIPTION REMARK RF01 85801065GY WIRE COPPER AWG22 1/0.65 TIN COATING I702 1AT24C16PC AT24C16-10PC ZZ290 PTMPMSJ829 PCB MAIN MANUAL AS DTQ-29M2FS I703 1KA7805--- IC REGULATOR KA7805 2TM18006BE TAPE MASKING 6.2X500 I801 PTA2SW7920 HEAT SINK ASS‘ Y 1STRF6656- + 7174301011 2TM10006LB TAPE MASKING 3M #232-MAP-C 6.2X2000M...
  • Page 14 XT 4.5MB CCS25 HCQK471JCA C CHIP CERA 50V CH 470PF J 2012 ZZ200 PTMPJ2J829 PCB CHIP MOUNT B AS DTQ-29M2FS CCS26 HCBK102KCA C CHIP CERA 50V X7R 1000PF K 2012 CC102 HCFK103ZCA C CHIP CERA 50V Y5V 0.01MF Z 2012...
  • Page 15 R CHIP 1/10 62K OHM J 2012 RC732 HRFT102JCA R CHIP 1/10 1K OHM J 2012 ZZ200 PTMPJ0J829 PCB MAIN (RHU) AS DTQ-29M2FS RC733 HRFT102JCA R CHIP 1/10 1K OHM J 2012 C113 CEXF1C471V C ELECTRO 16V RSS 470MF (10X12.5)TP...
  • Page 16 RF01Z229J- R FUSIBLE 1W 2.2 OHM J (TAPPING) E126 4856310300 EYE LET BSR T0.2 (R1.6) ZZ200 PTMPJRJ829 PCB MAIN RADIAL AS DTQ-29M2FS E133 4856310300 EYE LET BSR T0.2 (R1.6) C106 CEXF1C101V C ELECTRO 16V RSS 100MF (6.3X11) TP E139 4856310300 EYE LET BSR T0.2 (R1.6)
  • Page 17 ELECTRICAL PARTS LIST PART CODE PART NAME PART DESCRIPTION REMARK PART CODE PART NAME PART DESCRIPTION REMARK C214 CEXF1H479V C ELECTRO 50V RSS 4.7MF (5X11) TP C704 CEXF1H229V C ELECTRO 50V RSS 2.2MF (5X11) TP C215 CEXF1H479V C ELECTRO 50V RSS 4.7MF (5X11) TP C705 CEXF1H109V C ELECTRO...
  • Page 18 DIODE ZENER UZ-8.2B X501 5XEX3R579C CRYSTAL QUARTZ HC-49U 3.579545M (TP) DS609 D1N4148--- DIODE 1N4148 (TAPPING) ZZ200 PTMPJAJ829 PCB MAIN AXIAL AS DTQ-29M2FS DS619 D1N4148--- DIODE 1N4148 (TAPPING) 2TM14006LB TAPE MASKING 3M #232 6.0X2000M DS622 DMTZJ5R6B- DIODE ZENER MTZJ 5.6B 2TM10006LB TAPE MASKING 3M #232-MAP-C 6.2X2000M...
  • Page 19 ELECTRICAL PARTS LIST PART CODE PART NAME PART DESCRIPTION REMARK PART CODE PART NAME PART DESCRIPTION REMARK J006 85801065GY WIRE COPPER AWG22 1/0.65 TIN COATING J059 85801065GY WIRE COPPER AWG22 1/0.65 TIN COATING J007 85801065GY WIRE COPPER AWG22 1/0.65 TIN COATING J060 85801065GY WIRE COPPER...
  • Page 20 ELECTRICAL PARTS LIST PART CODE PART NAME PART DESCRIPTION REMARK PART CODE PART NAME PART DESCRIPTION REMARK J123 85801065GY WIRE COPPER AWG22 1/0.65 TIN COATING JS038 85801065GY WIRE COPPER AWG22 1/0.65 TIN COATING J124 85801065GY WIRE COPPER AWG22 1/0.65 TIN COATING JS052 85801065GY WIRE COPPER...
  • Page 21 ELECTRICAL PARTS LIST PART CODE PART NAME PART DESCRIPTION REMARK PART CODE PART NAME PART DESCRIPTION REMARK R500 RD-AZ514J- R CARBON FILM 1/6 510K OHM J R808 RD-4Z681J- R CARBON FILM 1/4 680 OHM J R501 RD-4Z271J- R CARBON FILM 1/4 270 OHM J R809 RD-4Z102J-...
  • Page 22 (;3/2'('9,(: 0)6...
  • Page 23: Printed Circuit Board

    PRINTED CIRCUIT BOARD CIRCUIT DIAGRAM 6. SERVO/SYSCON/CEC CIRCUIT DIAGRAM(T-DECK)
  • Page 24 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 : djkoo@web.dwe.co.kr TEL : 82-2-360-7806 FAX : 82-2-360-7877...
  • Page 25: Ic Description

    IC DESCRIPTION Appendix U-COM(I701) DW863240V-KM1 SYS1 (H) POWER ON(H) Degaussing SW ST / MONO AUDIO MUTE(H) AV S/W1 P13/PWM1 Timer LED BLUE BACK P14/PWM2 MSP RESET H.OUT P15/PWM3 AV S/W2 ON(L)/OFF(H) SYS2 POWER ON 3-SYS P17/PWM ST-BY(H) P73/INT3/TOIN REMOCON IN P72/INT2/TOIN P71/INT1 X-RAY...
  • Page 26 IC DESCRIPTION Appendix PIN NAME DESCRIPTION ( LEVEL ) SYS 1 ST/MONO AV S/W1 I503#6 BLUE BACK AV S/W2 I503#8 SYS2 3-SYS 32.768KHz 32.768KHz KEY IN SW702~6 AFT IN I101#10 AGC IN TU01,I101#4 DIGITAL SENSOR IF02 RESET RESET ACTIVE “ L” FILTER FILTER CVBS...
  • Page 27: Chip Components Position

    CHIP COMPONENTS POSITION Appendix CN-012N CHASSIS...
  • Page 28 CHIP COMPONENTS POSITION Appendix PCB AV ORIENT CC608 20.25 CCS07 63.75 13.75 PCB MAIN ORIENT CC102 297.25 43.75 CC111 272.25 50.25 CC112 269.5 CC113 270.25 27.25 CC151 291.25 31.75 CC154 263.5 50.25 CC180 279.5 61.5 CC206 41.5 CC209 254.25 60.25 CC401 230.75 58.75...
  • Page 29 CHIP COMPONENTS POSITION Appendix ORIENT CC741 197.75 216.75 CC752 196.5 CC754 191.75 196.5 CC757 203.75 204.25 CC777 204.5 CC821 150.25 CC901 246.25 CC902 CC903 248.75 231.75 CCP01 59.25 CCP03 227.25 167.5 CCP53 242.5 58.75 CCP54 234.75 58.75 CCS01 249.5 134.5 CCS02 251.75 134.5...
  • Page 30 CHIP COMPONENTS POSITION Appendix ORIENT CCS90 134.5 CCS91 134.5 RC103 263.25 RC104 274.25 50.25 RC105 12.75 RC111 292.5 RC154 263.25 27.5 RC156 261.5 50.25 RC165 290.25 12.75 RC201 261.5 59.25 RC208 88.75 RC219 218.25 RC225 RC228 39.25 RC229 239.75 RC230 241.75 RC302 139.5...
  • Page 31 CHIP COMPONENTS POSITION Appendix ORIENT RC701 202.25 180.75 RC702 184.5 208.25 RC703 180.75 RC704 209.25 196.75 RC705 211.5 207.5 RC706 110.75 RC707 181.25 RC708 200.5 RC709 184.5 150.75 RC711 208.25 208.5 RC715 182.5 197.25 RC723 178.5 197.25 RC728 202.25 213.5 RC730 200.5 196.5...
  • Page 32 CHIP COMPONENTS POSITION Appendix ORIENT RC782 181.25 RC790 155.75 221.75 RC797 107.5 235.25 RC798 34.25 111.5 RC799 197.75 196.5 RC901 246.25 216.75 RC902 200.75 RC903 253.5 RC907 254.75 227.75 RC908 214.5 RC909 252.75 238.25 RC915 230.25 218.25 RC921 263.5 RC922 260.5 198.25 RC923...
  • Page 33 7528%/(6+227,1**8,'( $SSHQGL[ 1232:(5 0,&0 'HJDXVVLQJ 6: x^WZ )520 )%7 9 &KHFN ) 9 $ < )86( '&RLO 3&: ' 5 / : . 5 72 , ;5$< 4 & &KHFN &KHFN 5 : RKPV 9ROWDJH '&a9 7 &KHFN ' 760% 9ROWDJH & 5 9 &KHFN...
  • Page 34: Troubleshooting Guide

    TROUBLESHOOTING GUIDE Appendix 2. NO PICTURE NG : GO to the figure c Check the waveform of I101 #46 OK : Go the figure d Check the voltages TU01 SF101 IF OUT TUNER SAW FILTER Check clock/data signal Check #29 #30 IF AGC voltage I701 Check...
  • Page 35 7528%/(6+227,1**8,'($SSHQGL[ 126281' 1**RWRWKHILJXUHH &KHFNDXGLRRXWSXWVLJQDORI, 2.*RWRWKHILJXUHI Œ jŒŠ’ pm hnj }vs{hnl pm v|{ {œWX zmXWX pXWX {|uly zh~Gmps{ly jŒŠ’ tpjvtJZ_ jŒŠ’ }ŠŠ O\}P JY` JZW tzwTylzly{ pm }ŠŠO\}P JX[ hm{ jŒŠ’ yjzpp }ŠŠ O\}P p^WX tpjvt ylzl{ JXW JXX JXY ^WY pz]WX ZYU^]_ro¡...
  • Page 36: Ch Don' T Stop

    TROUBLESHOOTING GUIDE Appendix 4. CH DON’ T STOP NG : Loss of signal or weak signal Check the input signal conditions OK : Go to the figure g Check 5V/33V LINE TU102 SF101 IF OUT TUNER SAW FILTER AGC IN C109 #29 #30 RF AGC...
  • Page 37: No Color

    TROUBLESHOOTING GUIDE Appendix 5. NO COLOR Check Check C.V.S waveform the voltage composite video in Video/Chroma/Deflection Vcc(+5V) Check the crystal Check the voltage I101 X502 3.57945MHz RGB Vcc (9V) R OUT G OUT B OUT Check R/G/B signal 6. NO VERTICAL DEFLECTION Check the voltage Check...
  • Page 38: No Remocon Receipt

    TROUBLESHOOTING GUIDE Appendix 7. NO OSD (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 (15.75KHz) OSD B BLANK #11 #12 X702 32.768KHz Check ST-BY OSD R/G/B/BLANK signal Check the crystal...

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