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TROUBLESHOOTING GUIDE Appendix
7. REMOTE CONTROL DOES NOT OPERATE
I701
#18,19
X701
24.576MHz
CHECK THE
CRYSTAL
5V
3.3V
#22,43,45,63,80
#9,16,86,88
CHECK THE
VOLTAGE
CHECK THE
CRYSTAL
IF01
IC PREAMP
#2
OUT
3.3V
#1
CHECK THE
VOLTAGE
CHECK THE
WAVEFORM