Don't Stop - Daewoo DTQ-20D5FSN Service Manual

4. CH DON'T STOP
Check the input signal conditions
h
33V
T-DATA T-CLOCK
#10
XC701
32.768KHz
Check
the crystal
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Check
5V
5V/33V LINE
U102
IF OUT
TUNER
AGC IN
C103
#29 #30
#15
RF AGC Voltage
AFT
#14
I701
Check
MICOM
AFT window Voltage
2.1V~2.5V
SDA
#27
SCL
#28
SDA SCL
#11 #12
ST-BY
#5 #6
I703
5V
EEPROM
#8
ST-BY
5V
TROUBLESHOOTING GUIDE
NG : Loss of signal or weak signal
OK : Go to the figure g
SF101
SAW FILTER
#4
RF AGC OUTPUT
Check
#10
I101
#11
#12
#49
#48
Check
VCO coil
Check
SDA/SCL
14
APPENDIX
L501
VCO COIL