Read Panasonic KX-TDA100DUP (serv.man3) Service Manual Supplement online
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KX-TDA100DUP
1.4.2.13. EXT-CID Transmission
The SLIC/CODEC (IC300A-W) generates the extension Caller ID signals (FSK signal) with the CPU control.
The data flow is shown below.
The data flow is shown below.
1.4.2.14. Power Supply Voltage Generator
• Block Diagram
The input from the main power supply is in 2 voltage levels: +15V, +40V.
Since the voltage levels: +15V, +3.3V, VBATa - VBATx are required onboard, voltage levels are generated onboard as written below.
Since the voltage levels: +15V, +3.3V, VBATa - VBATx are required onboard, voltage levels are generated onboard as written below.
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