PDF Contains
Technical Data, Mechanical data, Detailed Circuit diagram with components value, PCB layout. Actual PCBs Print. Component List, Spare parts code list and Input output detail. It cover LBB1211, LBB1212, LBB1213, LBB1216, LBB1217.
It is the actual Service Manual for SQ10
Text excerpt from page 4 (click to view)
DISASSEMBLY INSTRUCTIONS
1. Remove the screws 1 (V+3-10 GLD*2), 2 (UT2+3-6*5) from the rear cabinet.
1
2
2.
While pressing down the Q sound button, remove the rear cabinet . Open the hanger wide to the right and left, and remove it.