Table of Contents
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11 Schematic Diagram
11.1. For Schematic Diagram
1. SW101: Hook switch.
2. SW1: Ringer selector.
3. DC voltage measurements are taken with electronic voltmeter from negative voltage line.
4. (Add 40 mA to telephone line from the loop simulator.)
5. Off-hook condition
6. No Mack: Handset Mode
7. This schematic diagram may be modified at any time with the development of new technology.
8. The shades area on this schematic diagram incorporates special features important for protection from fire and elec-
trical shock hazards.
9. When servicing, it is essential that only manufacture's specified parts be used for the critical components in the
shaded areas of the schematic.
KX-TS580MXB/KX-TS580MXW/KX-TS580MXR/KX-TS580MXC/KX-TS580MXJ
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Troubleshooting
