6. TUNER PACK TROUBLESHOOTING
6. TUNER PACK TROUBLESHOOTING
Check the Tuner Power of
PN101 "Tu- B+"
YES
Check the PN101 of
CE, DI, DO, CLK (PLL)
YES
Is the normal?
YES
END
NO
Check the DC output of
Q818 "C"
YES
Check the DC output
Q802 "E "
CE : Chip Emable
DI : Data Input(From u-com)
DO : Data Output(to u-com)
CLK : Tuner Mode Clock
NO
Replace Tuner pack
- 2-14 -
NO
Check the "high"
Q819 "B "