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1. Safety Precaution
1.1. General guidelines
1. When servicing, observe the original lead dress. If a short circuit is
found, replace all parts which have been overheated or damaged by the
short circuit.
2. After servicing, see to it that all the protective devices such as
insulation barriers, insulation papers shields are properly installed.
3. After servicing, make the following leakage current checks to prevent
the customer from being exposed to shock hazards.
1.1.1. Leakage current cold check
1. Unplug the AC cord and connect a jumper between the two prongs on
the plug.
2. Measure the resistance value, with an ohmmeter, between the
jumpered AC plug and each exposed metallic cabinet part on the
equipment such as screwheads, connectors, control shafts, etc. When
the exposed metallic part has a return path to the chassis, the reading
should be between 1M and 5.2M .
When the exposed metal does not have a return path to the chassis,
the reading must be .
Figure 1
1.1.2. Leakage current hot check / (See
Figure 1
.)
1. Plug the AC cord directly into the AC outlet. Do not use an isolation
2
Summary of Contents for DMR-ES15PL
Page 7: ...3 Service Navigation 3 1 Service Information 4 Specifications 7...
Page 8: ...5 Location of Controls and Components 8...
Page 31: ...10 1 3 Checking and Repairing of Main P C B 31...
Page 40: ...15 1 2 Packing Accessories Section 40...
Page 44: ...C4030 ECJ1VC1H102J 50V 1000P 1 44...
Page 46: ...D7502 MA2C165001VT DIODE 1 46...
Page 48: ...48...
Page 50: ...QR7502 UNR521200L TRANSISTOR 1 50...
Page 52: ...R4017 D0HB561ZA002 1 10W 560 1 52...
Page 54: ...R7536 ERJ3GEYJ473V 1 10W 47K 1 54...
Page 56: ...S7507 EVQ11A04M SWITCH 1 56...
Page 109: ...Location Map REAR DMR ES15PL Main P C B RFKB79116D 4 4 Section 1 4 2 4 3 4 4 4 FRONT...
Page 111: ...5 6 7 8 Location Map REAR DMR ES15PL Main P C B RFKB79116D 2 4 Section 1 4 2 4 3 4 4 4 FRONT...
Page 113: ...1 2 3 4 5 6 7 8 A B C D DMR ES15PL DV Jack P C B VEP73135A DV Jack P C B...
Page 114: ...1 2 3 4 5 6 7 8 A B DMR ES15PL Front L P C B VEP70135A Front L P C B...