Sdram Clock; Tray Open/Close Signal - LG DK867 Service Manual

2. SDRAM CLOCK

DCLK = 128MHz, Vp-p=2.2, Vmax=2.7V
9

3. TRAY OPEN/CLOSE SIGNAL

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11
12
13
LGE Internal Use Only
9
FIG 2-1
CLOSE_SW
OPEN_SW
CLOSE
OPEN
FIG 3-1
3-14 Copyright © 2008 LG Electronics. Inc. All right reserved.
IC603
11
10
IC201
13 12
Only for training and service purposes