Details And Waveforms On System Test And Debugging; System 27Mhz Clock,Reset,Flash R/W Signal - Zenith XBV323 Series Service Manual

DETAILS AND WAVEFORMS ON SYSTEM TEST AND DEBUGGING

1. SYSTEM 27MHz CLOCK,RESET,FLASH R/W SIGNAL

1) MT1379 main clock is at 27MHz(X501)
2) MT1379 & MT1336 reset is high active.
FIG 1-1
Power Cord in
FIG 1-2
3-63
3.8V, 27MHz
5.2VA
PWR_CTL(CN505 PIN 7)
M_RESET(CN505 PIN 9)
URST(IC501 PIN 188)