Sharp XV-Z2000 Anleitung Seite 46

XV-Z2000
DT-400
Checking the IRIS, FOCUS and
ZOOM motors
Do all the motors function?
NO
Is 3.3V of IC8204 outputted as
specified?
YES
Is there I2C signal at pins (2) and
(3) of IC8201?
YES
Is there any signal at the following
cases?
Zoom:Pin (3) and (7) of IC8205
Focus:Pin (11) and (15) of IC8205
Iris:Pin (2) and (4) of IC8206
YES
Is there signal at pins (1) thru (4)
of P8201 and pins (1) and (2) of
P8202?
YES
Check the connection cable and
optical mechanism unit.
YES
Check the optical mechanism.
NO
Check the B+6V input line, IC8204
and its peripheral circuits.
NO Check pins (16) and (17) of
IC2002 and their peripheral
circuits.
YES
Are there remote control receiver
and key signals at pin (9) of
IC2002, pins (4) thru (7) as well as
(47) thru (49) of IC2002?
YES
Check IC2002 and its peripheral
circuits.
NO
Check IC8201 and its peripheral
circuits.
NO
Check IC8205, IC8206 and their
peripheral circuits.
46
Check the line up to the input
NO
section and the remote control
receiver.