Sony BRC-300 Service Manual page 138
3ccd color video camera / optical multiplex unit
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Also See for BRC-300:
- Command list (23 pages) ,
- Specifications (8 pages) ,
- Brochure & specs (8 pages)
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e-2.
Image is displayed, but the signal is abnormal.
Menu operations are not reflected.
e-2
Does the unit
correctly function when
another BRBK-301 is
connected to the slot
on the main unit ?
Yes
Does the unit
correctly function when
connected to a normal
BRC-300/P ?
Yes
pins 18 to 20 of IC7015
BRBK-301 connection
failure
Connect this unit to the
BRC-300/P or the
BRU-300/P securely.
AN board failure
Check the signals output
from pins 4 to 12 of
IC7015 to identify the
defective part.
4-28
No
No
No
Is the signal input to
on the AN board ?
Yes
Is +3.3 V input to
pin 14 of IC7014 on
No
Is the signal output
from pin 17 of IC7015
on the AN board ?
Yes
Is +3.3 V input to
pin 13 of IC7015 on
BRC-300/P failure
Go to a-10.
BRU-300/P failure
Go to c-6.
No
the AN board ?
Yes
No
the AN board ?
Yes
AN board failure
(L7015 or the peripheral
circuit)
Replace the defective
parts or this unit.
Replace IC7014 on the
AN board.
AN board failure
(L7016 or the peripheral
circuit)
Replace the defective
parts or this unit.
Replace IC7015 on the
AN board.
BRC-300/300P
BRU-300/300P
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