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Service Guide
SP-J200
1.2.6. Noise
Problem
Analyze and
identify the
causes
Solutions
Version 1.0 Page 12 of 21
Hum noise
1.
D1
,
D2
,
D3
,
D4
,
EC25
dry-soldered or defective
2. power supply for IC1 normal
or not
3. PCB broken or dry-soldered
Repair
Repair or replace
1. Or caused by the vibration from
too long lead wire of driver units
2. Driver units damaged
General noise
Noise
Summary of Contents for Genius SP-J200
Page 1: ...Service Guide SP J200 SERVICE GUIDE KYE SYSTEM CORP Version 1 0 Page 1 of 21...
Page 16: ...Service Guide SP J200 Version 1 0 Page 16 of 21 Chapter 3 Block diagram...
Page 17: ...Service Guide SP J200 Right speaker Version 1 0 Page 17 of 21 Chapter 4 Exploded view...
Page 18: ...Service Guide SP J200 Left speaker Version 1 0 Page 18 of 21 Chapter 4 Exploded view...
Page 21: ...Service Guide SP J200 Version 1 0 Page 21 of 21 Chapter 7 Schematic diagram...