The 100 Ω resistors will dissipate approximately 3.5 watts. However, if the test time is kept short, 2 watt resistors will be ok. The capacitor change looks like it is a factory job. The purple wires are the -35 V terminal and it appears that R222 was removed. Note the end of a cut wire. This looks like a change to the bias of Q206 and the added capacitor is power supply decoupling.