PT-EX16KU, PT-EX16KE (serv.man3) - Panasonic Projector Service Manual (repair manual). Page 10

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This projector provides the following circuit protections to operate in safety. If the abnormality occurs inside the pro-
jector, it will automatically turn off by operating one of the following protection circuits.

Fuses are located inside of the projector. If all the indicators are not lighting, 
the fuse (F602) may be opened. If the STAND-BY indicator is lighting and 
others are blinking, one of the fuses (F601, F603) may be opened. If fuse 
(F601.  F603)  opens,  the  power  supply  to  the  LAMP1/LAMP2,  or  LAMP3/
LAMP4 will be cut off.  
Check the fuses as following steps.
The fuses should be used with the following type;

1.  Remove the cabinet top, main board, PFC/Ballast box1-2 

following to "Mechanical disassembly".

2.  Remove the fuses  F601, F602 and F603 on the AC filter 

board.

F603

F602

F601

AC filter board