Communication Troubles - Sony BRC-300 Service Manual

4-2-3. Communication Troubles

a-7. Supplied SIRCS remote commander does not function.
Connect RM-BR300, set
IR-RECEIVE in the
SYSTEM to ON, and
check the remote
commander functions.
4-10
a-7
No
Is the IR SELECT
switch on the rear panel
set correctly ?
Yes
No
Is IR-RECEIVE in the
SYSTEM menu set to
OFF by RM-BR300 ?
Yes
remote commander
light-receiving signal
IC1006, IC1007 on
remote commander
light-receiving signal
Check the light-receiving sensors
(IC1006, IC1007: SY board and
IC2201: SW board) and the
subsequent circuits to identify the
defective part.
Does the
No
exist in pin 1 of
the SY board ?
Yes
Does the
No
exist in pin 1 of
IC2201 on the
SW board ?
Yes
Set the IR SELECT switch
on the rear panel to the
setting of the CAMERA
SELECT button of the
remote commander to be
used.
SY board failure
(IC1006, IC1007, or the
peripheral circuit)
Replace the defective
parts or the SY board.
SW board failure
(IC2201 or the peripheral
circuit)
Replace the defective
parts or the CN chassis
assembly.
BRC-300/300P
BRU-300/300P