Sdram Clock; Tray Open/Close Signal - LG DP471B Service Manual

2. SDRAM CLOCK

7

3. TRAY OPEN/CLOSE SIGNAL

OPEN
8
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Only for training and service purposes
FIG 2-1
CLOSE
FIG 3-1
M_CLK R95
C112
NC/10P/50V/0402
SD_VCC3
The Cover Limit Switch
SW1 A
C
GND_DC
3-11
7
33/F/0402 RAM_CLK
C115
10P/50V/0402
37
CKE
RAM_CLK
38
CLK
M_BA0
20
BA0
M_BA1
21
BA1
6
VSSq
12
VSSq
46
VSSq
52
VSSq
COVER_SW
COVER_SW
C1
8
GND_DC
LGE Internal Use Only