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4-2. Self-Diagnosis (BVP-500 series)
4-2. Self-Diagnosis
The BVP-500/500P has a diagnosis mode used for self-diagnosis of every plug-in board and the OHB.
The diagnosis page is displayed on the viewfinder screen.
. Operation
Select "Diagnosis" page of the Operation menu referring to Section 4-1.
. Viewfinder Screen
1
2
3
4
. Display Descriptions
Marks
Board/Block
1
OHB(CCD UNIT) Communication with IC18, IC19/TG-159
2
PR-242
3
VA-163A
4
AT-126
5
SG-234
6
DA-88A
7
IF-538
8
MD-103
9
AU-211
0
TR-90
n
When the BVP-500/500P is not connected to the CCU, the columns 8,9 and 0 will display "– –".
4-20 (E)
8
9
0
5
6
7
Judging Point
Communication with IC49
Communication with IC26
Communication with IC46
Communication with IC21
Communication with IC10
Communication with IC603
Y RF output
Color-difference
RF output
+7.5 V and
INCOM +7.5 V
RF output (TP3)
Expected Abnormality
Communication error
Communication error
Communication error
Communication error
Communication error
Communication error
Communication error
• RF carrier levels for Y
and R-Y/B-Y are out of specs. *
• Improper connection of the board
• Power voltage for the
board is out of specs. *
• Improper connection of the board
• Carrier level for AUDIO
RF is out of specs. *
• Improper connection of the board
* Only when no video signal is input.
BKP-5090
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