Genius 31730952100 manual Service Guide, Version, Problem, Solutions, Page 7 of

Models: 31730952100

1 15
Download 15 pages 44.22 Kb
Page 7
Image 7
Problem

Service Guide

Attention

SP-i160

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.

1.2.1One or more channels no sound (Line in jack no function)

Problem

Analyzer and

Identify the Causes

Solutions

No sound

 

 

 

 

 

 

 

 

Speaker cable

 

 

 

 

 

 

 

 

dis-connect , JACK1 or

Broken or short circuit

 

Defective U1,

 

 

JACK2 defective or

 

 

 

 

U4

 

 

speaker damaged

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Check solder points on

 

Checkand Replace

 

Re-connect speaker

PCB

 

defective IC

 

cable or replace

 

 

 

 

 

 

defective speaker(s)

 

 

 

 

 

 

 

 

 

 

 

 

 

Version : 1.0

Page 7 of 14

Page 7
Image 7
Genius 31730952100 manual Service Guide, Version, Problem, Solutions, Page 7 of