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KX-TD816E
Panasonic KX-TD816E Service Manual
94 pages
Manual
Specs
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2
Table of Contents
Table of Contents
2
Caution
2
Safety Cautions
2
Important Information
3
Safety Precautions
4
Insulation Resistance Test
4
Specifications
5
General Description
5
Name and Location
6
Overview of the Main Unit
6
Inside View of the Main Unit
6
Connection
7
Disassembly
9
How to Remove the Top Cover
9
How to Remove the Inside Cover
9
How to Remove the CPU Card
10
How to Remove the Extension Card
10
How to Remove the Doorphone and Mother Cards
11
How to Remove the Power Supply Unit
11
How to Remove the Transformer
12
Circuit Operations
13
Outline of Specifications
15
Articles
17
Block Diagram
19
General Block Diagram
19
System Diagram of PCM Highway
20
System Diagram of PCM Clock
20
System Diagram of Analogue Line
21
System Diagram of Power Supply
22
Contents
23
Function of each Card
25
Power Supply Unit
25
CPU Card
25
Door-Phone Card
26
Basic Ext Card
26
Resource of Option
27
Mother Card
27
LED Card
27
SMDR Card
27
Explanation of Circuit Operation
29
Basic
29
Power Supply Circuit
29
Primary Circuit
29
TSW Circuit
32
Conference Circuit
32
Tone Generator Circuit
32
Clock Generator Circuit
32
Clock Circuit
33
Hold Tone Circuit
33
External Paging Circuit
33
Back up Circuit
33
Level Signal Generator Circuit
34
Door Phone Interface Circuit
34
Door Opener Circuit
34
Basic Door-Phone Card
35
Parallel I/O Port
38
Timing Signal Generation Circuit
38
PLL Card
39
PLL Source Clock Generator
39
ISDN Clock Divider
39
Expansion CO Card
41
Call Interface Circuit
41
Troubleshooting Guide
45
No Operation
45
Cannot Access an Extension
50
Cannot Send a Hold Tone
51
Hold Ton to COL
51
Too Much Noise Level with Intercom
53
Col Line's Released During a Call
53
Cannot Receive Col Dial Tone
54
Cannot Send DTMF Tones
55
Diagnostic Method
58
How to Get into Self-Diagnostic Mode
58
Test Items
59
How to Replace Flat Package IC
60
Modification Procedure of Solder Bridge
60
Explanation of Connectors
61
Printed Circuit Board
67
Schematic Diagram
69
Extension Cable for Servicing
83
Cabinet and Electrical Parts Location
84
Actual Size of Screws and Washer
85
Accessories and Packing Materials
86
Replacement Parts List
87
Other manuals for Panasonic KX-TD816E
User Manual
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Panasonic KX-TD816E Specifications
General
Maximum Extensions
16
Maximum Trunks/Lines
8
Expansion Capability
Yes
Power Supply
AC 100-240V, 50/60Hz
Operating Temperature
0°C to 40°C (32°F to 104°F)
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