Sanyo C5 ghetto blaster non-working

got this to collect off my local free cycle group Friday

can any one help with service manual please
reported fault
Currently the unit powers on but nothing works

cheers

have found C10 and on this site C4 and C7 so I hope they will help

now have good scan of original paper manual here the belt info if it helps
A Quick cross ref to the sanyo numbers gives these belt not yet brought or fitted so can not confirm

Sanyo C5 belt

141-2-564T-23972
Equals SCX 7.4
CIRCUMFERENCE 188MM
DIAMETER 60MM
1.2 MM SQUARE

141-2-561t-05272
Equals FRW 8.8
CIRCUMFERENCE 223.5MM
DIAMETER 71MM
4.7MM X 0.5MM FLAT BELT

142-2-564T-23400
Equals SCQ 11.1
CIRCUMFERENCE 282MM
DIAMETER 90MM
1.5 MM SQUARE