DOWNLOAD Panasonic KX-TDA0168XJ / KX-TDA0168X Service Manual ↓ Size: 947.33 KB | Pages: 26 in PDF or view online for FREE

Model
KX-TDA0168XJ KX-TDA0168X
Pages
26
Size
947.33 KB
Type
PDF
Document
Service Manual
Brand
Device
PBX / EXTENSION CALLER ID CARD
File
kx-tda0168xj-kx-tda0168x.pdf
Date
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Panasonic KX-TDA0168XJ / KX-TDA0168X Service Manual ▷ View online

6.1. IC1
KX
-T
DA0
168X
J
/
KX
-T
DA0
168X
13
6.2. IC2/IC3
KX
-T
DA0
168X
J
/
KX
-T
DA0
168X
14
7 CIRCUIT OPERATION
7.1. CIRCUIT DESCRIPTION
This EXT-CID card generates the extension Caller ID signals (FSK signal) with the SLC8 CPU control.
The data flow is shown below.
15
KX-TDA0168XJ / KX-TDA0168X
7.2. POWER SUPPLY
+3.3V and +5V powers are supplied to this EXT-ICD card via 60 pins connector (CN101) from the PBX main board.
+3.3V power generates +2.5V by the DC/DC converter, and supplies this card´s internal circuit power.
The power supply system is shown below.
16
KX-TDA0168XJ / KX-TDA0168X
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