Kodak DirectView CR 825 Diagnostics Manual page 178
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Also See for DirectView CR 825:
- Adjustments and replacements (160 pages) ,
- Theory manual (120 pages) ,
- Installation instructions manual (72 pages)
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DIAGNOSTICS
10DEC05
Table 24 Test Points on the LASER DRIVER BOARD A17
DG4825-1
Page
Name
178 of 180
AGND
VN5
LPN
LEN
Iop
Vpd
Buf_BF
Description
Circuit ground
------
Power to the LASER
-----
----
-----
-----
Expected Signal
0.0 V DC
–5.00 - –5.50 V DC
•
LASER de-energized - 0.0 V DC
•
Threshold - 0.0 V DC
•
LASER energized - –5.0 V DC
•
LASER de-energized - 0.0 V DC
•
Threshold - –5.0 V DC
•
LASER energized - –5.0 V DC
•
LASER de-energized - –5.0 V DC
•
Threshold - –4.25 to –4.75 V DC
•
LASER energized - –3.35 to –4.35 V DC
•
LASER de-energized - –2.3 to –2.5 V DC
•
Threshold - –2.6 V DC
•
LASER energized - –2.9 V DC
•
LASER de-energized - 0.0 V DC
•
Threshold - –0.06 to –0.08 V DC
•
LASER energized - –1.0 to –1.2 V DC
Test Points and LEDs
- Quick Links:
- System Service Diagnostic Screen
- Description
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