Daktronics AB-1010 - Manual (Page 27)

4.6 Socket Replacement
Reference Drawing:
Lampbank Assembly and Wiring, 8x16-36 IOC-L ................................ Drawing C-147146
1. Open th
s
2. Remove the power and signal wire to the bad socket. Refer to Detail B and Detail C on Drawing
C-14714
3. Remove the
4. Remove
5. Snap the new socket into place.
6. Replace the lamp, rewire the socket (refer to Detail D on Drawing C-147146) and secure the
socket panel.
.7 Lamp Driver
e di play according to Section 4.6.
6.
lamp in the bad socket.
the old socket.
4
eference Drawing: R
Lamp Driver, 16 Col., w/Fan .................................................................. Drawing A-37070
................................ Drawing B-149589
Shop Drawing, 16**-24 IOC-L.............................................................. Drawing B-149590
The lam
lamps of the incandescent displays on and off. This unit receives display
informa
Ref
to
repl ed
1.
2.
B-149590.
3. e
4. Rem fastening the cover on the driver enclosure and lift off the cover.
Unplug wiring connections (J1 through J20).
Remove the two wing nuts in the top corners of the enclosure and remove the driver.
nstall the new driver.
.8
Shop Drawing, 7**-24 IOC-L................................
p driver switches the
tion from the controller and converts it to the drive signals that switch the lamps.
er Section 4.12, Troubleshooting, if the display malfunctions. If a lamp driver needs to be
ac , follow the steps below.
Shut power off to the display.
Locate the driver you need to replace using Drawings B-149589 and
Op n the display according to Section 4.6.
ove the screws
5.
6.
7. Reverse Steps 1 through 4 to i
4 Fuse Replacement
A 7 or 8 high column of pixels has one fuse. If an entire column is out, a fuse may be blown.
To replace a blown fuse:
e fuses.
Replace the blown fuses.
1. Shut power off to the display.
2. Gain access to the driver as stated in Section 4.7, Steps 1-3.
3. Remove the two driver cover wing nuts and lift off the cover to gain access to th
4.
Maintenance & 4-3
Troubleshooting