CONTENTS 
FRONT PANEL/REAR PANEL VIEW3 
SPECIFICATIONS4 
ALIGNMENT PROCEDURE/ALIGNMENT POINTS5 
WIRING DIAGRAM6 
SCHEMATIC DIAGRAM7-12 
PCB LAYOUT13-18 
ELECTRICAL PARTS LIST19-32 
EXPLODED VIEW33 
EXPLODED VIEW PARTS LIST34 
PACKING DIAGRAM35 
 
 
 
SERVICE SAFETY PRECAUTIONS 
1. Replacing the Fuses 
 
CAUTION: FOR CONTINUED PROTECTION AGAINST THE RISK OF FIRE 
REPLACE ONLY WITH SAME TYPE OF FUSE. 
 
REFERENCENO. PARTNUMBER DESCRIPTION 
Rear Panel 
AH A20-12103-00 Littelfuse618 T10AL/250V 
C A20-12702-20 Littelfuse618 T5AL/250V 
 
STANDBY Board 
F401 A20-12102-00 Littelfuse618 T1AL/250V 
 
 
NOTE: 
*AH : North American version only 
*C : European version only 
 
 
2. Safety-check out (North American model only) 
Before returning the product to the customer, make leakage current or 
resistance measurements to determine that exposed parts are acceptably 
insulated from the supply circuit. 
 
Parts marked with the symbol are critical with regard to the risk of fire and 
electric shock.Replace only parts recommended by the manufacturer. 
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