Appendix-Pcb Diagram - Eiki EK-121W Service Manual

Appendix-PCB diagram

Important safety instruction
Components identified by International symbol
Please use the specified model for replacement .
 Low voltage and high voltage warning
The power supply circuit includes a circuit unit to seperate the power supply from ground.
●
The circuit has two kinds: high-voltage circuit and the low-voltage circuit. Please take the following precautions
●
against it.
This diagram is the final version before production. Changes maybe made without notice.
●

Preventive measure
DO NOT touch the parts of high voltage area or area between low voltage and high voltage , as it may cause
●
risks of electric shock.
DO NOT short circuit, high voltage and low voltage circuit, otherwise the fuse will be disconnected and damage
●
the components.
DO NOT connect the parts such as an oscilloscope in the high voltage area and the low voltage area to protect
●
the fuse. Connecting the parts under measure from surface to the ground .
When removing the movement, make sure to unplug the power cord from outlet.
●
Please check service codes for this part in structural parts list diagram, when ordering components .
●
hold the special security features.
-51-