Service Guide
SP-J330
*Attention
Please follow the numbered sequence marked within parenthesis given in
individual
Flow chat in that this is the best-recommended sequence to rectify the problems.
1.2.1 No power
,
LED
(
indicator
)
unlighted
Problem
Analyze
and
identify
the
causes
Solutions
Version 1.0 Page 7 of 22
Repair or replace
1.Defective AC
cable
2.Defective
transformer
1.
Loose connection between transformer
secondary wire and PT1 on PW PCB
2. Loose connection between JK7 in PW PCB
and JK6 in AMP PCB
resolder or replace
No power
,
LED
(
indicator
)
unlighted
Repair or replace
2. defective VR1 in AMP PCB
1. PCB Copper foil broken
Summary of Contents for Genius SP-J330
Page 1: ...Service Guide SP J330 SERVICE GUIDE KYE SYSTEM CORP Version 1 0 Page 1 of 22...
Page 17: ...Service Guide SP J330 Version 1 0 Page 17of 22 Chapter 3 Block diagram...
Page 18: ...Service Guide SP J330 Right speaker Version 1 0 Page 18 of 22 Chapter 4 Exploded view...
Page 19: ...Service Guide SP J330 Left speaker Version 1 0 Page 19 of 22 Chapter 4 Exploded view...
Page 22: ...Service Guide SP J330 Version 1 0 Page 22 of 22 Chapter 7 Schematic diagram...