Tuner Pack - LG LPC-LM340X Service Manual

6. TUNER PACK

Check the Tuner Power of
PN101 "Tu- B+"
YES
Check the PN301 of
CE, DI, DO, CLK (PLL)
YES
Is the normal?
YES
END
NO
Check the DC output of
"HIGH" Q818 "C"
YES
Check the DC output
Q802 "E", pattern
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 "