Read Sharp AM-400 (serv.man5) Service Manual online
AM-400DE
5 – 31
LCD not display correctly
(Motor initialize OK)
LCD control ERROR
11
C,R on route
of IC1~CNPN
CNPN
Connector
IC1 (Main CPU)
LCD not display correctly
(Motor not initialized)
System ERROR
12
IC4 (SDRAM)
IC1 (Main CPU)
IC5 (RESET IC)
IC6 (FLASH)
X3 (X'tal) and around
C,R on route
of IC1~IC4 and IC6
C,R on route
of IC5~ IC1
Power Line
+3.3V, +1.8V
13
IC10 (Buffer)
CNPN
connector
C,R on route of
IC1~CNPN
IC1 (Main CPU)
C,R on route of
CNPN~IC10~IC1
CNPN
connector
Q4/Q7 (Tr)
C,R on route of
IC1~Q4~Q7~CNPN
IC1 (Main CPU)
14
Panel Key
Sensing Error
PANEL LED
not light
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