Read Sharp AM-300 (serv.man5) Service Manual online
AM-300DE
5 – 26
VIDEO Signal fail
IC14 (Buffer)
IC1 (Main CPU)
C,R on route of
CNCIS-1pin~IC1
IC9 (Regulator)
C,R on route
of IC1~IC14~CNCIS
C,R on route
of IC9~CNCIS
Analog Front End fail
IC9 (Regulator)
IC1 (Main CPU)
C,R on route
of IC9~IC1
Vref Decoupling C
C19/C22/C27~C30
1
USB
Link Error
9
C,R on route
of IC1~CNUSB
CNUSB
connector
USB Power Supply route
to IC1-198/196pin
IC1 (Main CPU)
RTC Error
10
RTC Power
IC1-137pin, 140pin
R35,R37,C274
X1 (32.768KHz X'tal)
and its peripheral
Clock tick away
incorrectly
Date set error
Oscillator
RTC Power
IC1-137pin, 140pin
R35,R37,C274
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