4. Troubleshooting
Situation Solution
Short circuit or b ad connection.
1. Check the Signal Backplane for bad con nections. Ensure that all wire units ar e
well connected.
(Note that the +24V supply is generated on the SMPS board and enters the F an
Control board and Cinema Control board via the Signal Back plane)
2. Check the wirin g of the A node fan for short circuits.
3. Check the w iring of the Cathode fan for s hort circuits.
Damaged insulation of the wire unit
(reference 2 image 4-33) of the
upper fan (reference 1 image 4-33)
for t he Card Cage electronics. The
fan is the upper fan located behind
the dust filter at the front of the
projector.
Remove the dust filter at the front side of the projector and c heck the insulation of the
wire u nit of the fan.
1. Repair the insulation of the wire unit using shrink sleeve.
2. If not repairable, r eplace the whole wire unit and/or fan. Se e "Card cage fans",
page 312.
Malfunction Signal Backplane (bad
connection)
Replace the Signal Backplane. See "Replacement of th e s ignal back plane", page 231.
1
2
Image 4-33
Card cage, upper fan connection
Code 5631: “electronics fan 2 (bottom s ide) - voltage high” (Warning)
Situation Solution
Malfunction Fan Control board or
SMPS board.
Measure on the Signal Backplane the +24V voltage on pin 9, 10, 11 or 12 of the
connector of the black wire unit which com es from the SMP S board. Se e im age 4-26.
If the measured voltage is about 24V then replace th
e Fan Control b oard. See
"Removing a board in the card cage", page 213. O therwise replace the SMP S board.
See"Replacement of the S witched M ode Power Sup ply", page 281.
Code 5632: “electronics fan 2 (bottom side) - vol
tage too low” (Error)
This error code is probably preceded by the w arning c ode 5633: “electronics fan 2 (bottom side) - voltage low”. The same trou-
bleshooting table can be applied.
Code 56 33: “electronics fan 2 (bottom side) - voltage low” (Warning)
Situation Solution
Malfunction Fan Control board or
SMPS board.
Measure on the Signal Backplane the +24V voltage on pin 9, 10, 11 or 12 of the
connector of the black wire unit which com es from the SMP S board. Se e im age 4-26.
If the measured voltage is about 24V then replace the Fan Control board. See
"Removing a board in the card cage", page 213. O therwise replace the SMP S board.
See"Replacement of the S witched M ode Power Sup ply", page 281.
R5905043 DP2K-12C/11CX 19/02/2018 57
To Next Page
Loading...
Need help?
General
