Sony BRC-300 Service Manual page 119

2
Is the 27 MHz
clock output from
pin 26 of IC008 on the
CC board ?
Yes
Are video signals
output from pins 27 to
37, 38 to 47 of IC008
on the CC board ?
Yes
Is the pin 4 level of
IC005 set to "H" on the
CC board ?
Yes
Is the color bar
signal output to VIDEO
OUT/S VIDEO OUT
referring to steps 1 to 5
in section 3-3-3 ?
Yes
One of the following is defective.
. FFC between CC board and SW
board
. VIDEO OUT/S VIDEO OUT
connector
. SW board
Check above in order from the top
to identify the defective part.
BRC-300/300P
BRU-300/300P
No
No
No
No
Are video signals
No
output from pins 61 to
82 of IC007 on the
CC board ?
Yes
Are analog video
No
signals output from pins
58, 60, 62 of IC026
on the CC board ?
Yes
CC board failure
(IC008 or the peripheral
circuit)
Replace the defective parts
or the CC board.
CC board failure
(IC006, IC007, or the
peripheral circuit)
Replace the defective parts
or the CC board.
CC board failure
(IC007 or the peripheral
circuit)
Replace the defective parts
or the CC board.
CC board failure
(IC026 or the peripheral
circuit)
Replace the defective parts
or the CC board.
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