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Panasonic KX-TD816E Service Manual

Digital super hybrid system

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Installation manual (600 pages)

User manual (518 pages)

User manual addendum (22 pages)

Table Of Contents

Table of Contents

Table of Contents
Caution
Safety Cautions
Important Information
Safety Precautions
Insulation Resistance Test
Specifications
General Description
Name and Location
Overview of the Main Unit
Inside View of the Main Unit
Connection
Disassembly
How to Remove the Top Cover
How to Remove the Inside Cover
How to Remove the CPU Card
How to Remove the Extension Card
How to Remove the Doorphone and Mother Cards
How to Remove the Power Supply Unit
How to Remove the Transformer
Circuit Operations
Outline of Specifications
Articles
Block Diagram
General Block Diagram
System Diagram of PCM Highway
System Diagram of PCM Clock
System Diagram of Analogue Line
System Diagram of Power Supply
Contents
Function of each Card
Power Supply Unit
CPU Card
Door-Phone Card
Basic Ext Card
Resource of Option
Mother Card
LED Card
SMDR Card
Explanation of Circuit Operation
Basic
Power Supply Circuit
Primary Circuit
TSW Circuit
Conference Circuit
Tone Generator Circuit
Clock Generator Circuit
Clock Circuit
Hold Tone Circuit
External Paging Circuit
Back up Circuit
Level Signal Generator Circuit
Door Phone Interface Circuit
Door Opener Circuit
Basic Door-Phone Card
Parallel I/O Port
Timing Signal Generation Circuit
PLL Card
PLL Source Clock Generator
ISDN Clock Divider
Expansion CO Card
Call Interface Circuit
Troubleshooting Guide
No Operation
Cannot Access an Extension
Cannot Send a Hold Tone
Hold Ton to COL
Too Much Noise Level with Intercom
Col Line's Released During a Call
Cannot Receive Col Dial Tone
Cannot Send DTMF Tones
Diagnostic Method
How to Get into Self-Diagnostic Mode
Test Items
How to Replace Flat Package IC
Modification Procedure of Solder Bridge
Explanation of Connectors
Printed Circuit Board
Schematic Diagram
Extension Cable for Servicing
Cabinet and Electrical Parts Location
Actual Size of Screws and Washer
Accessories and Packing Materials
Replacement Parts List

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Table of Contents