Image System Troubles - Sony BRC-300 Service Manual
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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4-2-2. Image System Troubles
a-5.
Image remains "blueback" at the end of PAN/TILT operations.
a-5
Is +12 V output from
pins 6, 7 of Q1503 on
the SY board ?
Yes
Are RX and TX
signals received/sent
normally by R1174 and
R1175 respectively on
the SY board ?
Yes
SY board failure
(IC1019 or the peripheral
circuit)
Replace the defective
parts or the SY board.
BRC-300/300P
BRU-300/300P
FFC: Flexible flat cable
SY board failure
No
(Q1502, Q1503 or the peripheral
circuit)
Replace the defective parts or the
SY board.
One of the following is defective.
No
. R1174, R1175, or the peripheral
circuit
. FFC between CN1801 (SY board)
and CN802 (CC board)
. FFC between CN801 (CC board)
and CN2003 (IF-944 board)
Check above in order from the top
to identify the defective part.
4-7
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