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KX-TCD725RUM
User Manuals: Panasonic KX-TCD725RUM Cordless Telephone
Manuals and User Guides for Panasonic KX-TCD725RUM Cordless Telephone. We have
1
Panasonic KX-TCD725RUM Cordless Telephone manual available for free PDF download: Service Manual
Panasonic KX-TCD725RUM Service Manual (207 pages)
Brand:
Panasonic
| Category:
Cordless Telephone
| Size: 2.54 MB
Table of Contents
Table of Contents
1
1 Location of Controls
7
Base Unit
8
Handset
9
2 Displays
10
Handset Display
11
Icons
12
3 Disassembly Instrucutions
14
Assembly the LCD to P.C. Board (Handset)
16
4 Settings
18
Connections
19
Using the Belt Clip
21
Batteries
22
Installing the Batteries in the Handset
23
Battery Charge
24
Recharge
25
Battery Information
26
5 Operations
27
Turning the Power On&Sol;Off
28
Making a Call
29
Answering Call
30
Terminating a Call
31
Summary of Programmable Function
32
Handset
33
Base Unit
35
6 Circuit Operation (Base Unit)
36
The Base-Band Section
39
INTRODUCTION (SEE Fig. 17)
40
The Base-Band Integrated Circuit (Bbic)
41
FLASH PROM (SEE Fig. 18)
42
EEPROM (SEE Fig. 18)
43
Serial Flash Rom
44
CLOCK GENERATION (SEE Fig. 18)
45
LOCATOR KEY (SEE Fig. 18)
46
FACTORY SERIAL PORT (SEE Fig. 18)
47
BUZZER CIRCUIT (SEE Fig. 18)
48
AUDIO PATH-RX AUDIO-LINE INPUT (SEE Fig. 18)
49
AUDIO PATH - TX AUDIO - LINE OUTPUT (SEE Fig. 18)
50
THE LINE INTERFACE SECTION (SEE BLOCK DIAGRAM Fig. 17)
52
Introduction
53
TELEPHONE LINE INTERFACE (SEE Fig. 19)
54
BELL DETECTOR (SEE Fig. 19)
55
CLIP CIRCUITS (SEE Fig. 19)
56
HOOKSWITCH (SEE Fig. 20)
57
PULSE DIALING (SEE Fig. 20)
58
AUDIO CIRCUITS (SEE Fig. 20)
59
DISCONNECT (SEE Fig. 20)
60
POWER SUPPLIES (SEE Fig. 21)
61
Rf Module
62
RF MODULE (SEE BLOCK DIAGRAM Fig.22)
64
7 Circuit Operation (Handset)
65
The Base Band Section
66
Introduction
68
The Base-Band Integrated Circuit (Bbic)
69
FLASH ROM (SEE Fig. 24)
70
EEPROM (SEE Fig. 24)
71
FACTORY SERIAL PORT (SEE Fig. 24)
72
AUDIO PATH - TX AUDIO (SEE Fig. 25)
73
AUDIO PATH - RX AUDIO (SEE Fig. 25)
74
CLOCK GENERATION (SEE Fig. 25)
75
KEYBOARD (SEE Fig. 26)
77
LCD DISPLAY, and DISPLAY DRIVER (SEE Fig. 26)
78
BATTERY SUPPLY (SEE Fig. 27)
79
REGULATOR (SEE Fig. 27)
80
BATTERY CHARGING CIRCUIT (SEE Fig. 27)
81
Rf Section
83
Block Diagram Rf Section (Handset)
84
8 Check Procedure (Base Unit)
86
Equipment Required
87
Initial Power Tests
88
Set the Clock Frequency
89
Loopback Tests
90
Telephone Line Tests
92
Charge Current Tests
94
Tam Voice Prompt down Load
95
9 Check Procedure (Handset)
96
Equipment Required
97
Initial Power Tests
98
Set Clock Frequency
99
Loopback Tests
100
10 Troubleshooting Guide
102
Handset: Does Not Operate
103
Handset: Link
104
Battery Does Not Charge
108
Voice Reception
109
Voice Transmission
110
Base Unit: Does Not Link
111
Base Unit : Caller ID Problems
112
Base Unit: Tam Voice Prompt Problems
113
11 Cabinet and Electrical Parts Location (Base Unit)
114
12 Cabinet and Electrical Parts Location (Handset)
116
13 Accessories and Packing Materials
118
14 Replacement Parts List Pv
120
Base Unit
122
Cabinet and Electrical Parts
123
Main P.C.board Parts
124
Rf Module
130
Handset
131
Cabinet and Electrical Parts
132
Main P.C.board Parts
134
Accessories and Packing Materials
142
15 Eeprom Layout (Base Unit)
143
Scope
145
Introduction
146
EEPROM Layout
147
General Setup
148
Meterpulse Billing
149
Free Block
150
Audio Setup
151
Bsnaltask
153
PSTN Line
155
Clip Configuration
158
Tadtask
159
Bsuitask
161
Bs Model Settings
162
Appendix
163
Gain for Transmit and Receive
164
Gain for Tonegenerator
166
Amplification by Shift& Add Coeffecients
167
Gain Index Values
168
Speakerphone Gain
170
16 Eeprom Layout (Handset)
172
Scope
173
Introduction
174
EEPROM Contents
175
General Setup
176
MMI Parameters
178
Audiosettings
180
MMI
181
MMI Bits
182
17 Schematic Diagram (Base Unit)
183
Main
184
RF Module
187
18 Schematic Diagram (Handset)
190
Main
191
RF Section
194
Memo
197
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