Daewoo DTQ-29U5SC/SSP, DTQ-29U1SC/SSP service manual Troubleshooting Guide

TROUBLESHOOTING GUIDE Appendix

2.NO PICTURE

check the waveform of I501 #61

NG : Go to the figure (c)

OK : Go to the figure (d)

Check

the VOLTAGE

33V 5V

U101 TUNER

CVBS

T-DATA T-CLOCK

Composite Video

Check clock/data signal

#27 #28

I701

MICOM

#29

#30

#10 #11 #12

#61

I501

VDP3130Y

SDA	#4
SCL	#3

X701ST-BY

32.768KHz 5V Check clock/data signal

Check the crystal

(d)

Check composite video	#61
Check Vsup(+5V)	#58
		#17
Check HOUT	#50	#15

	#39	I501
Check RGB Signal OUTPUT#38
	#37
Check Vsup(+5V)	#36

check Vsup(+3.3V)

T402

FBT

Check

200V LINE

D405

D406

Check

heater voltage

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