KYE Systems Corp. Genius SP-T1200, Руководство по обслуживанию

Страница: 7 / 22

Service Guide
SP-T1200
Version 1.0 Page 7 of 22
* 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 L/R channels no sound
Problem
Analyze and
Identify the Causes
Solutions
1.2.2 No power
Problem
Analyze and
Identify the Causes
Solutions
L/R channels no sound
Broken or short circuit
Check solder points on
PCB
Defective
U1/U3/U4/U5/U7/U8
/U11/U14/U18/Q1/Q2
Speaker cable dis-connect or
speaker damaged
Re-connected speaker cable
or replace defective speakers
Check and replace
defective IC or
components
No power
Broken or short circuit
Check solder points on
PCB
Defective
U6/U15/Q5/Q10
External power supply
dis-connected or damaged
Re-connected power supply or
replace defective power supply
Check and replace
defective components