5
Objective
The information provided in this document is designed to assist the technician in
determining the defective printed circuit board. The troubleshooting flow charts,
signal path charts and connector information should provide enough detail that
the technician can accurately determine which one of the printed circuit boards is
required to repair the product. Alignment and adjustment procedures are also
included in this document.
The Block diagrams and the schematic drawings reference the model TH-
42PHD5, but the technology is consistent with any GPH5D chassis.