Daewoo DTH-29M2FS Service Manual
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Daewoo DTH-29M2FS Service Manual

Daewoo DTH-29M2FS Service Manual

Daewoo color television service manual
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Service Manual

Color Television
CHASSIS : CM-012M
Model : DTH-29M2FS
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. : TCM012MEF0
DTH-29M2FS
DTH-29M2FS
PAL-M/N
220V, 50/60Hz
125W
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 DTH-29M2FS

  • Page 1: Service Manual

    S/M No. : TCM012MEF0 Service Manual Color Television CHASSIS : CM-012M Model : DTH-29M2FS DTH-29M2FS Specification Model DTH-29M2FS Items TV Standard PAL-M/N Power Input 220V, 50/60Hz 125W Power Consumption Tuning System Frequency Synthesizer(FS)Tuning System VHF(L) : CH2 - CH6 UHF(H): CH7-CH13...

  • 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 ..........................20 PRINTED CIRCUIT BOARD........................21 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 DTH-29M2FS REMARKS ITEMS TV STANDARD PAL-M/N POWER INPUT 220V , 50/60Hz POWER CONSUMPTION 125W 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 ITEMS 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$0 6(5926<6&21&(&&,5&8,7',$*5$0 7'(&. ...

  • Page 12: Electrical Parts List

    PART NAME PART DESCRIPTION REMARK ZZ100 48B4343A05 TRANSMITTER REMOCON R-43A05 (AA) M251A 4852541301 GRILL R PS T0.45 ZZ110 PTACPWD403 ACCESSORY AS DTH-29M2FS M251B 4852541401 GRILL L PS T0.45 4850Q00810 BATTERY R6P/LN ZZ202 PTSPPWD403 SPEAKER AS DTH-29M2FS M821 4858213800 BAG INSTRUCTION L.D.P.E T0.05X250X400...
  • Page 13 ELECTRICAL PARTS LIST PART CODE PART NAME PART DESCRIPTION REMARK PART CODE PART NAME PART DESCRIPTION REMARK ZZ290 PTMPMSD403 PCB MAIN MANUAL AS DTH-29M2FS I801 1STRF6656- IC POWER STR-F6656 2TM18006BE TAPE MASKING 6.2X500 I801A 4857026110 HEAT SINK AL EX 2TM10006LB TAPE MASKING 3M #232-MAP-C 6.2X2000M...
  • Page 14 XT 4.5MB CCS24 HCBK103KCA C CHIP CERA 50V X7R 0.01MF K 2012 ZZ200 PTMPJ2D403 PCB CHIP MOUNT B AS DTH-29M2FS CCS25 HCQK471JCA C CHIP CERA 50V CH 470PF J 2012 CC102 HCFK103ZCA C CHIP CERA 50V Y5V 0.01MF Z 2012...
  • Page 15 CH1BEE472M C CERA AC U/C/V 2.5KV 4700PF TP RC902 HRFT471JCA R CHIP 1/10 470 OHM J 2012 ZZ200 PTMPJBD403 PCB MAIN M-10 AS DTH-29M2FS RC903 HRFT471JCA R CHIP 1/10 470 OHM J 2012 2TM18006BE TAPE MASKING 6.2X500 RC907 HRFT471JCA R CHIP...
  • Page 16 ELECTRICAL PARTS LIST PART CODE PART NAME PART DESCRIPTION REMARK PART CODE PART NAME PART DESCRIPTION REMARK C210 CEXF1E470V C ELECTRO 25V RSS 47MF (5X11) TP C704 CEXF1H229V C ELECTRO 50V RSS 2.2MF (5X11) TP C213 CEXF1H479V C ELECTRO 50V RSS 4.7MF (5X11) TP C705 CEXF1H109V C ELECTRO...
  • Page 17 D1N4148--- DIODE 1N4148 (TAPPING) X501 5XEX4R436C CRYSTAL QUARTZ HC-49U 4.433619M 20PP TA DS605 DUZ8R2BM-- DIODE ZENER UZ-8.2B ZZ200 PTMPJAD403 PCB MAIN AXIAL AS DTH-29M2FS DS609 D1N4148--- DIODE 1N4148 (TAPPING) 2TM14006LB TAPE MASKING 3M #232 6.0X2000M DS619 D1N4148--- DIODE 1N4148 (TAPPING)
  • Page 18 ELECTRICAL PARTS LIST PART CODE PART NAME PART DESCRIPTION REMARK PART CODE PART NAME PART DESCRIPTION REMARK DS622 DMTZJ5R6B- DIODE ZENER MTZJ 5.6B J054 85801065GY WIRE COPPER AWG22 1/0.65 TIN COATING DS623 DMTZJ5R6B- DIODE ZENER MTZJ 5.6B J055 85801065GY WIRE COPPER AWG22 1/0.65 TIN COATING J001 85801065GY...
  • Page 19 ELECTRICAL PARTS LIST PART CODE PART NAME PART DESCRIPTION REMARK PART CODE PART NAME PART DESCRIPTION REMARK J120 85801065GY WIRE COPPER AWG22 1/0.65 TIN COATING JS027 85801065GY WIRE COPPER AWG22 1/0.65 TIN COATING J122 85801065GY WIRE COPPER AWG22 1/0.65 TIN COATING JS029 85801065GY WIRE COPPER...
  • Page 20 ELECTRICAL PARTS LIST PART CODE PART NAME PART DESCRIPTION REMARK PART CODE PART NAME PART DESCRIPTION REMARK R501 RD-4Z271J- R CARBON FILM 1/4 270 OHM J R815 85801065GY WIRE COPPER AWG22 1/0.65 TIN COATING R502 RD-2Z151J- R CARBON FILM 1/2 150 OHM J R819 RD-AZ622J- R CARBON FILM...
  • Page 21 (;3/2'('9,(: 0)6...

  • Page 22: Printed Circuit Board

    PRINTED CIRCUIT BOARD CIRCUIT DIAGRAM 6. SERVO/SYSCON/CEC CIRCUIT DIAGRAM(T-DECK)
  • Page 23 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 24: 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 25 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 26: Chip Components Position

    CHIP COMPONENTS POSITION Appendix CM-012M CHASSIS...
  • Page 27 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 28 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 29 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 30 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 31 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 32: Troubleshooting Guide

    TROUBLESHOOTING GUIDE Appendix 1. NO POWER(CAUTION: DISCONNECT THE POWER PLUG WHEN REPLACE THE FUSE) MIC0M#41 Degaussing SW Q703 FROM Check FBT +12.5V F801(250V 4A) F801 Y801 D/Coil PWC1 SW707 D801 FUSE R831 L801 2W 15K R802 TO I101#34 X-RAY Q801 C833 Check Check...

  • Page 33: No Picture

    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 34: No Sound

    TROUBLESHOOTING GUIDE Appendix 3. NO SOUND NG : Go to the figure e Check audio output signal of I101 #1 OK : Go to the figure f Check IF AGC VOLTAGE Tu01 SF101 IF OUT TUNER SAW FILTER I101 Check MICOM#38 Check Vcc (5V)

  • Page 35: 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 36: 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 37: 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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