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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
Summary of Contents for Genius SP-T1200
Page 10: ...Service Guide SP T1200 Version 1 0 Page 10 of 22 2 3 Touch Control Board 2 4 Power Board...
Page 12: ...Service Guide SP T1200 Version 1 0 Page 12 of 22 Chapter 4 Block Diagram...
Page 18: ...Service Guide SP T1200 Version 1 0 Page 18 of 22 7 1 MCU control board 2 2...
Page 19: ...Service Guide SP T1200 Version 1 0 Page 19 of 22 7 2 Amplifier board...
Page 20: ...Service Guide SP T1200 Version 1 0 Page 20 of 22 7 3 Touch control board...
Page 21: ...Service Guide SP T1200 Version 1 0 Page 21 of 22 7 4 Power board...