Daewoo DTQ-14V6NB/14V6NP, DTQ-14V1FC/20V1FC No ON-SCREEN Display, Remote Control does not Operate

ROUBLESHOOTING GUIDE

7. NO ON-SCREEN DISPLAY

Check			SDA
the signal (60Hz)			SCL
V.SYNC IN
#20
	I701		Check
H.SYNC IN	MICOM		clock/data signal	I101
#21
		#22	OSD R
Check			#14
			OSD G
the signal (15,734Hz)		#23
			#15
		#24	OSD B
			#16
		#25	BLANK
			#17
#10	#11	#12
XC701
32.768KHz		ST-BY	Check
			OSD R/G/B/BLANK signal
		5V
Check
the crystal
			If OSD does not operate,
			then change the I701

8. REMOTE CONTROL DOES NOT OPERATE

	OUT			IL701
#34		Remote Control
			PREAMP
I701		GND
MICOM
				ST-BY
	Check			5V
	the waveform

#10 #11 #12

XC701

32.768KHz

ST-BY 5V

Check

the crystal

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