TD-L354P User Manual
17
Problem
Possible Cause
Suggested Correction
control board PWM.
No output to the drive board LED +/ LED-
or drive board over-current, check line
connector if contact bad.
Reconnect the terminal, replace the driver board
Normal end of LED lamp life, bad welding
or poor heat dispersion.
Repair or replace LED light source or replace the whole piece of
aluminum board, remove the cooling system failure.
Decreased
brightness,
uneven pattern
projections
LED lamp aging, check the service time of
LED light source, test LED drive board’s
current.
Replace the LED light source or adjust the drive board’s current.
Reduce LED’s brightness.
Excessive dusts or smudges on the effect
assembly, focus module and objective
lens.
Follow the instructions stated in this user manual to clean the effect
assembly, focus module and objective lens.
Damaged or deformed effect assembly,
focus module or objective lens.
Replace the damaged or deformed components.
System wiring diagram
Spare parts list
Item
P/N
Qty
Notes
LED aluminum substrate
5802010051A
1
LJB0107B
LED driver board
5802030083B
1
LCR0521B
Display board
5809210097A
1
U1K11 SDI0207B
Switching power supply
1412050024A
1
EDS180-5212
LCR0521B
J2
GND
+12V
VIN
GND
J5
FG
L
N
POWER
E
L
N
J3
+52V
GND
L
JB0107B
J3
J4
J1
J2
JF1
JF2
J1
J2
EDS180-5212
FAN(5V)
J12
JC1
JC
SDI0207B
GTD-L354NP
Display board
Driver board
FAN(12V)
LED aluminum substrate