Need help?Do you have a question about the Technics SE-CH770 and is the answer not in the manual?
Details audio power output, THD, and speaker impedance requirements.
Essential safety steps and voltage discharge procedures before servicing.
Safety warnings for the power cord, fuse replacement, and wiring.
Identifies all buttons, knobs, and indicators on the amplifier's front panel.
Illustrates the correct connection of front, surround, and center speaker cables.
Explains SURROUND and 3 STEREO modes and their setup.
Guides on adjusting center mode for optimal bass response with center speakers.
Procedures for calibrating speaker output levels using test signals.
Guides on selecting sources and turning Dolby Pro Logic features on/off.
Outlines procedures for checking PCBS and replacing main components.
Step-by-step guide for replacing key power supply components.
Procedure for verifying unit power operation and signal output.
Provides detailed diagrams for operation, main, power transformer, AC input, and voltage selector circuits.
Lists part numbers and descriptions for ICs, transistors, and diodes.
To Next Page
General
