LG MDV902 Service Manual page 25

TUNER
YES
TU101 3/5
SIGNAL CHECK
YES
IC601
2, 37PIN SIGNAL INPUT
CHECK
YES
IC601 17,
22PIN OUTPUT SIGNAL
CHECK
YES
TUNER OUTPUT
NO
TU101 2PIN
"+9V" VOLTAGE
CHECK
TU101 6, 7, 8,
9PIN CHECK (PLL-CE, PLL-DI,
CLK, PLL-DO)
TUNER MODULE CHANGE
NO
MAIN PCB PATTERN CHECK
NO
IC601(NJW1190)
TROUBLESHOOTING CONSULT
3-7
NO
YES
NO
YES
CN701 2PIN "+12V" CHECK
MICOM IC302 CHECK
(PIN 73, 71, 70, 72)