Daewoo DTQ-29U1SC/SSP, DTQ-29U5SC/SSP service manual I501 VDP3130Y

Page 63

TROUBLESHOOTING GUIDE

Appendix

5. NO COLOR

Check CVBS Waveform

R OUT

G OUT

B OUT

#61

#51

 

#52

#58

I501

VDP3130Y

 

#36

#37

 

#38

#16

 

#39

#15

 

Check the crystal

X501

Vsup 5V

Vsup 5V

Vsup 3.3V

Check R/G/B signal

Check the Voltage

6. NO VERTICAL DEFLECTION

#51

#52

I501

VDP3130Y

#31 Vertical OUTPUT

Check Vertical signal

X501

Vertical D.Y

Check the Voltage(27V) I301 Vcc 27V

#6 Vcc

#5 Vin I301

LA7848

#2 Vout

Check Vout signal

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Image 63
Contents Color Television Table of Contents Safety Checks Safety PrecautionsSafety Precautions Subject Implosion NTSC-M SpecifictionCircuit Block Diagram Mute Alignment InstructionAlignment Instruction Table-B Assembly Adjustments White Balance ADJUSTMENTS8 Contrast Electrical Parts List Electrical Parts List IC Regulator HRFT102JBA Chip HRFT122JBA Chip HRFT471JBA Chip CEXF1E222V Electro Term PIN Oxide Film OHM J Small CEXF1H228V Electro CMXM2A682J Mylar PCB Main CCZB1H333K Cera 581 J009 85801065GY 626 J054 85801065GY 671 J099 85801065GY Coil Peaking Carbon Comp TKTC4370AY Metal Film 2W 24 OHM J Small 896 J908 85801065GY 941 R943 RD-AZ683J Different Parts List Schematic Diagram Explode View 485009KU Printed Circuit Board CN-794N/MAIN / Top Printed Circuit Board CN-794N/MAIN / Silkscreen Bottom Printed Circuit Board CN-794N/MAIN / Silkscreen Top Printed Circuit Board CN-794N/MAIN / Drill Drawing Printed Circuit Board CN-794N/MAIN / Solder Mask Top Printed Circuit Board CN-794N/CRT / Top Printed Circuit Board CN-794N/CRT / Silkscreen Bottom Printed Circuit Board CN-794N/CRT / Silkscreen Top Printed Circuit Board CN-794N/CRT / Drill Drawing Printed Circuit Board CN-794N/CRT / Solder Mask Top Appendix IC DescriptionIC Description I501 VDP3130Y Appendix RIN2 Waveforms Waveforms Appendix SVM Q909 Base 18 I901 PIN7 Rout No Power Troubleshooting GuideTroubleshooting Guide No Sound CH DON’T Memory or Skip I501 VDP3130Y Remote Control does not Operate