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Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
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)
FIG 1-1
2. SDRAM CLOCK
1) MT1389 main clock is at 27MHz (R308)
FIG 2-1
U301 PIN38
DCLK=125MHz, Vp-p=3.7V