Details And Waveforms On System Test And Debugging; System 27Mhz Clock, Reset & Flash R/W Signal; Sdram Clock - LG DP270B 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 (X201)

2. SDRAM CLOCK

1) MT1389 main clock is at 27MHz (R308)
U301 PIN38
FIG 1-1
DCLK=125MHz, Vp-p=3.7V
FIG 2-1
3-19