Best help everywhere i got from here. My audio medicinman was happy to get this manual from me. So he could repair my pioneer perfectly. Thanks
Text excerpt from page 4 (click to view)
Precaution to replace Optical block (PXR-104X-AP-0101)
Body or clothes electrostatic potential could ruin laser diode in the optical block. Be sure ground body and workbench, and use care the clothes do not touch the diode. 1) After the connection, remove solder shown in the right figure.