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Daewoo DTH-29G1FSN, Service Manual, Page: 38 / 38

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Daewoo DTH-29G1FSN Service Manual Download Page 38

14

7. NO OSD (ON SCREEN DISPLAY)

8. NO REMOCON RECEIPT

I701

MICOM

X702

32.768KHz

#10 #11 #12

ST-BY

5V

Check

the crystal

IF01

Remote Control

PREAMP

ST-BY

5V

GND

#34

OUT

Check

the waveform

I701

MICOM

X702

32.768KHz

#10 #11 #12

ST-BY

5V

Check

the crystal

#24

#25

SDA

SCL

I101

#16

#17

Check

clock/data signal

#20

#21

V.SYNC IN

H.SYNC IN

Check

the signal (60Hz)

Check

the signal (15.75KHz)

#23

#22

OSD R

OSD G

OSD B

BLANK

#15

#14

Check

OSD R/G/B/BLANK signal

 If OSD does not operate,
 then change the I701

#29

#30

#12 

#11 

TROUBLESHOOTING GUIDE                                                                                                                Appendix   

Summary of Contents for DTH-29G1FSN

Page 1: ...Language OSD 3 With CAPTION 4 CH Label S M No TCN012NEF0 DTQ 29M2FS Model Items TV Standard Power Input Power Consumption Tuning System Tuning Ranges Sound Output Speaker Antenna Input Impedance Inter...

Page 2: ...EMOTE CONTROL 4 SERVICE MODE ADJUSTMENT 5 ASSEMBLY ADJUSTMENT 6 SCHEMATIC DIAGRAM 10 ELECTRICAL PARTS LIST 11 EXPLODED VIEW 21 PRINTED CIRCUIT BOARD 22 IC DESCRIPTION 1 CHIP COMPONENTS POSITION 3 TROU...

Page 3: ...SOUND OUTPUT 7 W 7 W SPEAKER 8 ohm 12W 2EA ANTENNA INPUT IMPEDANCE 75 ohm Unbalanced AUXILIARY INPUT TER MINAL FRONT VIDEO AUDIO R L REAR VIDEO AUDIO R L AUXILIARY OUTPUT TERMINAL REAR VIDEO AUDIO R...

Page 4: ...3 CIRCUIT BLOCK DIAGRAM...

Page 5: ...tton to turn the TV s menu system on and off 6 DISPLAY Use this button to display the channel numbeer and status 7 INPUT Use this button to select the TV s signal source 8 VIDEO Use this button to dis...

Page 6: ...s the volume up or down button to enter in the service mode you wish to adjust 2 How to memorize the adjusted values in the service mode Must press DISPLAY button the state which the screen is display...

Page 7: ...3 Align pincution using internal cross pattern s11 TILT 37 0 63 Align tilt using internal cross pattern s11 TOP C 8 0 15 Must be set to 8 BOT C 8 0 15 Must be set to 8 S6 2 16 9 WVPOS 22 0 63 Align ve...

Page 8: ...volume up or down button select internal cross pattern Select service adjustment S6 You can see the OSD as shown in below 4 1 Horizontal Position Adjustment Select H CENTER item adjust H CENTER data...

Page 9: ...adjustment data of RD GD BD and RB GB BB until a good gray scale with normal whites is obtained ALIGNMENT INSTRUCTIONS Press the DISPLAY button to memorize the data 6 DIGITAL PRESET D P ADJUSTMENTS S9...

Page 10: ...ue 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 If you select the S...

Page 11: ...6 0 7 5 0 5 8 7 5 0 6 592 6 6 21 5 8 7 5 0 7 1 1 66 6...

Page 12: ...51B 4852541401 GRILL L PS T0 45 ZZ202 PTSPPWJ829 SPEAKER AS DTQ 29M2FS P601A 4850704S31 CONNECTOR YH025 04 35098 ULW 800 SP01 4858311110 SPEAKER 12W 8 OHM SP 58126F SP02 4858311110 SPEAKER 12W 8 OHM S...

Page 13: ...C COATING I701 1DW8632KM1 IC MICOM DW863240V KM1 5V37 LOC PART CODE PART NAME PART DESCRIPTION REMARK I702 1AT24C16PC IC AT24C16 10PC I703 1KA7805 IC REGULATOR KA7805 I801 PTA2SW7920 HEAT SINK ASS Y 1...

Page 14: ...FK104ZCA C CHIP CERA 50V Y5V 0 1MF Z 2012 CCS10 HCFK104ZCA C CHIP CERA 50V Y5V 0 1MF Z 2012 LOC PART CODE PART NAME PART DESCRIPTION REMARK CCS11 HCBK102KCA C CHIP CERA 50V X7R 1000PF K 2012 CCS12 HCF...

Page 15: ...10 47K OHM J 2012 RCS40 HRFT473JCA R CHIP 1 10 47K OHM J 2012 LOC PART CODE PART NAME PART DESCRIPTION REMARK RCS41 HRFT102JCA R CHIP 1 10 1K OHM J 2012 RCS78 HRFT472JCA R CHIP 1 10 4 7K OHM J 2012 RC...

Page 16: ...55 4856310600 EYE LET BSR T0 2 R2 3 E156 4856310600 EYE LET BSR T0 2 R2 3 E157 4856310300 EYE LET BSR T0 2 R1 6 E158 4856310300 EYE LET BSR T0 2 R1 6 E159 4856310300 EYE LET BSR T0 2 R1 6 E160 4856310...

Page 17: ...RSS 100MF 6 3X11 TP C703 CEXF1H109V C ELECTRO 50V RSS 1MF 5X11 TP LOC PART CODE PART NAME PART DESCRIPTION REMARK C704 CEXF1H229V C ELECTRO 50V RSS 2 2MF 5X11 TP C705 CEXF1H109V C ELECTRO 50V RSS 1MF...

Page 18: ...1 CCZB1H271K C CERA 50V B 270PF K C902 CCZB1H271K C CERA 50V B 270PF K C903 CCZB1H271K C CERA 50V B 270PF K LOC PART CODE PART NAME PART DESCRIPTION REMARK CS618 CZSL1H470J C CERA 50V SL 47PF J AXIAL...

Page 19: ...065GY WIRE COPPER AWG22 1 0 65 TIN COATING LOC PART CODE PART NAME PART DESCRIPTION REMARK J059 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING J060 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING J06...

Page 20: ...0 65 TIN COATING JS027 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING JS029 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING JS031 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING JS032 85801065GY WIRE...

Page 21: ...ILM 1 6 4 7K OHM J R807 RC 2Z565KP R CARBON COMP 1 2 5 6M OHM K LOC PART CODE PART NAME PART DESCRIPTION REMARK R808 RD 4Z681J R CARBON FILM 1 4 680 OHM J R809 RD 4Z102J R CARBON FILM 1 4 1K OHM J R81...

Page 22: ...3 2 9 0 6...

Page 23: ...22 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: ...IN VS HS R G B BL I P60 SDA0 P61 SCLK0 P62 SDA1 P63 SCLK1 P70 INT0 P71 INT1 P72 INT2 TOIN P73 INT3 TOIN P00 P01 P02 P03 P04 P05 P06 P07 SYS1 H ST MONO AV S W1 BLUE BACK AV S W2 SYS2 3 SYS Digital Sens...

Page 26: ...18 FILTER FILTER 19 19 CVBS I501 12 20 20 VS I101 30 21 21 HS I101 31 22 22 R I101 14 23 23 G I101 15 24 24 B I101 16 25 25 BL I101 17 26 26 H T NC 27 27 MSP DATA IS601 8 28 28 MSP CLOCK IS601 7 29 29...

Page 27: ...3 CHIP COMPONENTS POSITION Appendix CN 012N CHASSIS...

Page 28: ...230 75 58 75 270 11 CC450 210 5 60 75 180 12 CC501 254 5 71 270 13 CC502 248 37 5 180 14 CC506 232 75 94 25 180 15 CC507 247 75 85 25 0 16 CC528 282 25 70 180 17 CC574 246 75 43 25 270 18 CC577 248 75...

Page 29: ...1 75 134 5 270 45 CCS03 275 60 0 46 CCS04 266 60 180 47 CCS05 269 25 138 0 48 CCS06 260 25 134 5 270 49 CCS08 82 25 234 5 0 50 CCS10 263 9 134 5 270 51 CCS11 247 12 25 270 52 CCS12 232 137 5 90 53 CCS...

Page 30: ...0 241 75 39 270 82 RC302 139 5 39 25 90 83 RC303 143 25 40 180 84 RC306 148 43 5 270 85 RC501 211 25 84 90 86 RC503 257 25 96 25 0 87 RC512 252 75 37 5 180 88 RC525 211 91 5 0 89 RC526 236 75 58 75 27...

Page 31: ...RC733 208 25 180 75 90 118 RC734 206 25 180 75 90 119 RC735 204 25 180 75 90 120 RC736 200 25 163 270 121 RC737 201 25 170 5 0 122 RC738 215 75 170 5 270 123 RC739 217 75 170 5 270 124 RC740 203 75 2...

Page 32: ...6 180 153 RCP02 227 25 169 5 0 154 RCP03 232 75 58 75 270 155 RCP05 217 200 90 156 RCS06 291 25 143 0 157 RCS07 216 5 24 25 0 158 RCS08 291 25 140 5 0 159 RCS09 212 5 8 25 0 160 RCS11 276 5 157 25 270...

Page 33: ...760 9 781 5 9 5 KHFN 9 KHFN 9ROWDJH a 9 KHFN 5 RKPV KHFN 9ROWDJH 520 0 20 3 5 21 3 5 2 KHFN ZDYHIRUP 5 1 2 67 3 5 21 0 0 HJDXVVLQJ 6 9 1 1 UDLQ 6RXUFH 2 3 5 5 5 72 5 4 5 9 KHFN 9ROWDJH 5 6281 9 67 9...

Page 34: ...AFT 29 30 SDA SCL I101 SF101 SAW FILTER 5 6 10 8 11 12 Check IF Vcc 5V Check clock data signal Check clock data signal 3 4 Check IF AGC voltage Check RF AGC voltage 46 44 Z501 4 5M Trap Check the wav...

Page 35: ...JZW j zkh zjs pm v JX hm JY JY_ zkh zjs zmXWX zh Gmps ly j O P j pm hnj vs hnl p WY kh_ q zv uk htw JXYOy puP J Os puP j pm O P j j JX j JXW t J W h t l oat sau j oau saw y vu vmm z WX X_U ZYto J J J...

Page 36: ...SDA SCL 5V 33V IF OUT 14 AFT 29 30 SDA SCL h AGC IN X 702 32 768KHz 10 ST BY 5V Check the crystal I702 EEPROM 8 ST BY 5V 5 6 SDA SCL Check SDA SCL Check 5V 33V LINE 15 C109 Check RF AGC Voltage Check...

Page 37: ...k the voltage R OUT G OUT B OUT Check R G B signal 43 Video Chroma Deflection Vcc 5V Check the voltage X502 24 C508 C507 V RAMP ALC filter 5V Check the voltage 2 5V I301 LA7848 23 Vertical output 6 Ve...

Page 38: ...T Check the waveform I701 MICOM X702 32 768KHz 10 11 12 ST BY 5V Check the crystal 24 25 SDA SCL I101 16 17 Check clock data signal 20 21 V SYNC IN H SYNC IN Check the signal 60Hz Check the signal 15...

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