26

ROUBLESHOOTING GUIDE

7. NO ON-SCREEN DISPLAY8. 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