This Panasonic SA-HT740P Service Manual covers the following topics: safety precautions, prevention of electro static discharge (esd) to electrostatically sensitive (es) devices, precaution of laser diode, about lead free solder (pbf), handling precautions for traverse unit, accessories, operation procedures, new features, self-diagnosis and special mode setting, assembling and disassembling, service fixture and tools, service positions, measurements and adjustments, voltage and waveform chart, illustration of ics, transistors and diodes, wiring connection diagram, block diagram, schematic diagram, printed circuit board, basic troubleshooting guide, overall block diagram for ht740, terminal function of ics, explode views, replacement parts list