Roubleshooting guide – Daewoo DTQ-14V1FS/20V1FS User Manual

Page 27

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26

ROUBLESHOOTING GUIDE

7. NO ON-SCREEN DISPLAY

8. REMOTE CONTROL DOES NOT OPERATE

I701

MICOM

XC701

32.768KHz

#10

#11 #12

ST-BY

5V

Check

the crystal

IL701

Remote Control

PREAMP

ST-BY

5V

GND

#34

OUT

Check

the waveform

I701

MICOM

XC701

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 (15,734Hz)

#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

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