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7 . S G H - X 1 0 0 Fl o w
1. Power On
' Power O n ' does not work
C heck the B attery V oltage
is m ore than 3.4V ?
C 411(V _ISU P) = 2.7V
C heck the C lock at
C 410=32K H Z
C 429 (V D D 1) = " H "
C 428(V D D 2), C 427(V D D 3) =
2.8V
C heck for the clock at C 145
= 13M H z
C heck the initial operation
C h a r t o f T r o u b l e s h o o t i n g
Y es
Y es
Y es
Y es
Y es
Y es
E N D
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N o
C hange the B attery
N o
C heck the PM U related to V _ISU P
N o
R esolder X 400
N o
R eplace the PB A
N o
R eplace PBA
N o
C heck the clock generation circuit
(related to O SC 101)
7- 1
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