DAEWOO ELECTRONICS DTQ-14U1FS, Service Manual

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2 26 6
R RO OU UBL BLES ESHOO HOOT TING ING G GU UIDE IDE
7. NO ON-SCREEN DISPLAY 7. NO ON-SCREEN DISPLAY
8. REMOTE CONTROL DOES NOT OPERATE 8. REMOTE CONTROL DOES NOT OPERATE
I701 I701
MICOM MICOM
XC701 XC701
32.768KHz 32.768KHz
# #1 10 0 # #1 11 1 # #1 12 2
ST-BY ST-BY
5V 5V
Check Check
the crystal the crystal
IL701 IL701
Remote Control Remote Control
PREAMP PREAMP
ST-BY ST-BY
5V 5V
GND GND
#34 #34
OUT OUT
Check Check
the waveform the waveform
I701 I701
MICOM MICOM
XC701 XC701
32.768KHz 32.768KHz
# #1 10 0 # #1 11 1 # #1 12 2
ST-BY ST-BY
5V 5V
Check Check
the crystal the crystal
#24 #24
#25 #25
SDA SDA
SCL SCL
I101 I101
#16 #16
#17 #17
Check Check
clock/data signal clock/data signal
#20 #20
#21 #21
V.SYNC IN V.SYNC IN
H.SYNC IN H.SYNC IN
Check Check
the signal (60Hz) the signal (60Hz)
Check Check
the signal (15,734Hz) the signal (15,734Hz)
#23 #23
#22 #22
OSD R OSD R
OSD G OSD G
OSD B OSD B
BLANK BLANK
#15 #15
#14 #14
Check Check
OSD R/G/B/BLANK signal OSD R/G/B/BLANK signal
If OSD does not operate, If OSD does not operate,
then change the I701
then change the I701