Read Sharp XG-MB70X (serv.man13) Service Manual online
red or green?
Is the voltage of 6V applied to both ends?
by pressing the red button.
ends of DB7001?
damaged, replace them.
to both ends of C726?
of IC702 on the primary side. If
defective, replace them.
the cathode of D701?
IC701. If defective, replace them.
output terminal of EA701?
T701. If defective, replace them.
applied to both ends of C2030 and C2029
64MHz output from pin (3) of X2001 and
pin (3) of X2002 respectively?
R2042, R2048 and R2050 change?
I2C bus does not function normally.
IC2201 change when any key is
the voltage of pin (7) of IC2005 become
pins (1), (2), (5) and (6) of IC2005?
IC2006 and pins (3) and (6) of IC2007
circuit on the main circuit.