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Panasonic KX-NS700 Service Manual

Panasonic KX-NS700
20 pages
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© Panasonic System Networks Co., Ltd. 2014
Unauthorized copying and distribution is a violation
of law.
ORDER NO. KMS1411488SE
Hybrid IP-PBX
Model No. KX-NS700
KX-NS720 Series
Power Supply Unit Addition
TABLE OF CONTENTS
PAGE PAGE
1 Technical Descriptions ----------------------------------------- 2
1.1. Power Supply Unit----------------------------------------- 2
1.1.1. Block Diagram and Circuit Description of
PSU ------------------------------------------------------ 2
1.2. AC input, Rectification Smoothing Circuit ----------- 2
1.3. Main Converter--------------------------------------------- 3
1.4. DC Switch and DC Output Circuit --------------------- 4
1.5. AC Alarm Circuit and DC Alarm Circuit-------------- 5
2 Troubleshooting Guide----------------------------------------- 6
2.1. Power Supply Unit----------------------------------------- 6
2.1.1. No Voltage is Output at All (1)--------------------- 6
2.1.2. No Voltage is Output at All (2)--------------------- 7
2.1.3. 41V are Not Output----------------------------------- 8
3 Schematic Diagram ----------------------------------------------9
3.1. Power Supply Board ------------------------------------ 14
3.2. Waveform ----------------------------------------------------9
4 Printed Circuit Board ------------------------------------------ 15
4.1. Power Supply Board ------------------------------------ 15
4.1.1. Component View ------------------------------------ 15
4.1.2. Bottom View ------------------------------------------ 16
5 Exploded View and Replacement Parts List----------- 17
5.1. Power Supply Unit --------------------------------------- 17
5.2. Replacement Parts List--------------------------------- 18
5.2.1. Power Supply Board-------------------------------- 18
Please file and use this supplement manual together with the service manual.

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Panasonic KX-NS700 Specifications

General IconGeneral
TypeHybrid PBX
Maximum CapacityUp to 288 extensions
IP ExtensionsUp to 128
Analog ExtensionsUp to 128
Digital ExtensionsUp to 128
VoIP ChannelsUp to 64
Power SupplyAC 100-240 V, 50/60 Hz
VoIP SupportYes
Built-in ApplicationsVoice Mail
NetworkingIP Networking
Dimensions430 mm x 88 mm x 367 mm

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