3
SERVICE SAFETY PRECAUTIONS
1. Replacing the fuses
CAUTION:
FOR CONTINUED PROTECTION AGAINST THE RISK OF FIRE REPLACE ONLY WITH SAME TYPE OF
FUSE.
Reference Designator Database Part Number Description
F751*AH
20-001-0075-90 FUSE TIME-LAG 7A 250V 5 X 20mm
SIC UL/CSA (RoHS)
F752*AH
20-001-0076-90 FUSE 1.6A 250V TIME LAG LBC 5x20mm
TSD UL/CSA/VDE/SEMKO (RoHs)
F751*C,CT
20-001-0071-90 FUSE TIME-LAG 4A/250V 5 X 20mm
VDE/UL TSD (RoHS)
F752*C,CT
20-001-0069-90 FUSE 800mA 250V TIME LAG LBC
5x20mm TSD UL/CSA/VDE/SEMKO (RoHS)
FH751-FH752
20-002-0030-90 FUSE CLIP 0.05mm WL-210A
NOTE: <*AH > : USA, CANADIAN MODEL ONLY.
<*C,*CT > : EUROPEAN MODEL ONLY.
2. Safety check out
(Only U.S.A. model)
Before returning the product to the customer, make leakage current or resistance measurements to determine
that exposed parts are acceptably insulated from supply circuit.
CONTENTS
DESCRIPTION PAGE
SPECIFICATIONS............................................................................................................................ 4 - 5
REAR PANEL / FRONT PANEL VIEW .................................................................................................. 6
DISASSEMBLY INSTRUCTIONS .......................................................................................................... 7
WIRING DIAGRAM & PARTS LIST................................................................................................ 8 - 10
BLOCK DIAGRAM................................................................................................................................11
SPECIAL FUNCTION .......................................................................................................................... 12
DETAILS & WAVEFORMS ON SYSTEM & TEST & DEBUGGING .................................................... 12
ADJUSTMENT POINTS DIAGRAM / AMPLIFIER ADJUSTMENT ...................................................... 13
PCB LAYOUT ............................................................................................................................... 14 - 25
SCHEMATIC DIAGRAM ............................................................................................................... 26 - 42
IC BLOCK DIAGRAM ................................................................................................................... 43 - 49
EXPLODED VIEW............................................................................................................................... 50
EXPLODED VIEW PARTS LIST................................................................................................... 51 - 53
ELECTRICAL PARTS LIST ........................................................................................................... 54- 66
PACKING DIAGRAM .......................................................................................................................... 67
Parts marked with the symbol are critical with regard to the risk of fire and electric shock.
Replace only with parts recommended by the manufacturer.
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