This maintenance-repair guide introduces components, subwoofer, input, the model’s rear panel, export, process, output power, management, control and screw. Inside the service repair manual you read the description of the power transformer, circuit, frequency response, amp, the panel circuit board, power supply, control and power switch.
For example, the signal is needed for the debate is the number of switch chip on the system board, and all in all, the input signal, the trim, the outlet tapping screw and output is explained in the repair service manual. Below is an excerpt from the repair service manual:
erved. PDF printed in Japan “the HS50M/HS80M IMPOR TANT 05.12 notice in the manual has been provided for the use of authorized Yamaha retailers and staff, ser-Vice President. It has been assumed that the core service inherent in the industry and, in particular, the Yamaha products are already known and are working with users, and therefore has not been corrected.
Maintenance-repair-Guide contains information about things such as the Board of Directors, the Board of control, level knob, chart, level, audio filter, model, security type, and the circuit board.
User Manual 