LG HT552TH - Details and Waveforms on System Test and Debugging

3-10
DETAILS AND WAVEFORMS ON SYSTEM TEST AND DEBUGGING
1. SYSTEM 27MHz CLOCK,RESET,FLASH R/W SIGNAL
1) ES8381 main clock is at 27MHz(X501)
3.8V, 27MHz
FIG 1-1
2) ES8381 reset is high active.
PWR_CTL(SYSTEM µ-COM)
(IC101 PIN2)
5.2VA
Power Cord in
DVD_RESET(IC101 PIN 41)
MRST#(IC501 PIN 251)
FIG 1-2