very good manual, with detail and clarity in esquematic diagrams and waveforms .
Text excerpt from page 15 (click to view)
GM-X432,X332
7.2 DIAGNOSIS 7.2.1 DISASSEMBLY
- Removing the Case(not shown) 1. Remove the nine screws. 2. Remove the Case. - Removing the Panel Unit(not shown) 1. Remove the six screws. 2. Remove the two Panel Units. - Removing the Amp Unit(Fig.1) Remove the nine screws.
Use 2 pcs. of screw and insert them into the two holes marked with an arrow. Alternately tighten them little by little until the Sub Heat Sink separates from the Heat Sink.