Ch Don't Memory Or Skip - Daewoo DTH-211F Service Manual

TROUBLESHOOTING GUIDE

4. CH DON'T MEMORY or SKIP

Check The Iutput Signal Conditions
(E)
CHECK
CLOCK,DATA
I702
EEPROM
#8
STB
CHECK THE
VOLTAGE
CHECK THE
CRYSTAL
TU101
TUNER
#5,6
SCL/SD
#7,8
#18,19
NG : Loss of Signal or Weak Signal
OK : Go To The Figure (E)
IF
Z101 Z101
SAW FILTER
SAW FILTER
SIF
VIF
#28,29 #33
I701
#22,43,45,63,80
#9,16,86,88
X701
24.576MHz
-38-
Appendix
33V
CHECK
THE
5V VOLTAGE
5V
3.3V
CHECK THE
VOLTAGE