Panasonic KX-TCD755RUS Service Manual ▷ View online
KX-TCD755RUS
Digital Cordless Phone
Silver Version
(for Russia)
(for Russia)
Telephone Equipment
ORDER NO. KM40211993C3
1 BATTERY
4
1.1. Insert the Batteries
4
1.2. Battery Charging
4
1.3. Battery Life
4
1.4. Replacing the Batteries
4
2 LOCATION OF CONTROLS
5
2.1. Base Unit
5
2.2. Handset
5
3 SETTING
6
3.1. Connection
6
4 DISPLAY
7
5 OPERATIONS
8
5.1. Turning the Power On
8
5.2. Making a Call
8
5.3. Terminating a Call
8
5.4. Answering Calls
8
5.5. Turning the Power Off
8
5.6. Turning the Mic On/Off
8
5.7. Handset Locator/Paging
9
5.8. Redialling the Last Number Dialled
9
5.9. Making a Call from the Redial List
9
5.10. Auto Redial
9
5.11. Setting the Receiver Volume
9
5.12. Turning the Key Lock On/Off
9
5.13. Super Password (PIN)
10
5.14. Engineering Mode
10
6 DISASSEMBLY INSTRUCUTIONS
13
6.1. Disassembly of Base Unit and Handest
13
6.2. Assembly the Receiver LCD and PCB
14
7 CIRCUIT OPERATION (BASE UNIT)
16
7.1. The Base - Band Section
16
7.2. The Line Interface Section (See BLOCK DIAGRAM Fig.
17)
19
7.3. RF Module
22
8 CIRCUIT OPERATION (HANDSET)
23
8.1. The Base Band Section
24
8.2. RF Section
28
9 CHECK PROCEDURE (BASE UNIT)
29
9.1. Equipment Required
29
9.2. Initial Power Tests
29
9.3. Set the Clock Frequency
29
9.4. Loopback Tests
30
9.5. Telephone Line Tests
30
9.6. Charge Current Tests
31
CONTENTS
Page
Page
2
KX-TCD755RUS
10 CHECK PROCEDURE (HANDSET)
32
10.1. Equipment Required
32
10.2. Initial Power Tests
32
10.3. Set Clock Frequency
32
10.4. Loopback Tests
33
11 TROUBLESHOOTING GUIDE
34
11.1. Handset: Does Not Operate
34
11.2. Handset: Link
35
11.3. Handset: Does Not Link
37
11.4. Battery Does Not CHARGE
38
11.5. No Voice Reception
38
11.6. No Voice Transmission
39
11.7. Base Unit: Does Not Link
40
12 CABINET AND ELECTRICAL PARTS LOCATION (BASE UNIT)
41
13 CABINET AND ELECTRICAL PARTS LOCATION (HANDSET) 42
14 ACCESSORIES AND PACKING MATERIALS
14 ACCESSORIES AND PACKING MATERIALS
43
15 REPLACEMENT PARTS LIST
44
15.1. Base Unit
44
15.2. Handset
45
15.3. Accessories and Packing Materials
47
16 EEPROM LAYOUT (BASE UNIT)
48
16.1. Scope
48
16.2. Introduction
48
16.3. EEPROM Layout
48
16.4. Appendix
66
17 EEPROM LAYOUT (HANDSET)
69
17.1. Scope
69
17.2. Introduction
69
17.3. EEPROM contents
69
17.4. Receive and Transmit-gain
80
18 SCHEMATIC DIAGRAM (BASE UNIT)
81
19 SCHEMATIC DIAGRAM (HANDSET)
83
20 CIRCUIT BOARD (BASE UNIT)
85
20.1. Component View
85
20.2. FlowSolder Side View
86
21 CIRCUIT BOARD (HANDSET)
87
21.1. Component View
87
21.2. FlowSolder Side View
88
3
KX-TCD755RUS
1 BATTERY
1.1. Insert the Batteries
Please ensure the batteries are inserted as shown.
1.2. Battery Charging
Before Initial Use
The batteries must be charged for approximately 15 hours initial use.
·
After the batteries have been inserted into the handset, place the handset in the powered up base unit.
·
(The telephone line cord must not be connected to the telephone socket at this time. Please leave your standard
telephone connected until battery charging is complete).
telephone connected until battery charging is complete).
·
The batteries are fully charged only when
is flashing.
After Initial Use
·
When the battery icon flashes (and, if programmed, battery low alarm sounds), the handset should be charged immediately
because there is little energy left in the batteries.
because there is little energy left in the batteries.
1.3. Battery Life
·
Battery life is dependent on use and conditions but in general when using fully charged Ni-MH batteries:
Talk time: 20hrs approx.
Talk time (Walkie-Talkie mode): 12 hrs approx.
Standby time: 200hrs approx.
(Times indicated are for peak performance)
Talk time: 20hrs approx.
Talk time (Walkie-Talkie mode): 12 hrs approx.
Standby time: 200hrs approx.
(Times indicated are for peak performance)
·
The batteries reach peak performance after several full charge/discharge cycles.
·
The batteries cannot be overcharged unless they are repeatedly removed and replaced.
·
If battery life is shortened then please check that battery and charge terminals are clean.
For maximum battery life it is recommended that the handset is not recharged until battery icon flashes (
For maximum battery life it is recommended that the handset is not recharged until battery icon flashes (
).
1.4. Replacing the Batteries
·
If the
icon flashes after a few telephone calls even when the handset batteries have been fully charged, the batteries
must be replaced.
Charge new batteries for approximately 15 hours before initial use.
Charge new batteries for approximately 15 hours before initial use.
·
(The telephone line cord must not be connected to the telephone socket at this time).
·
If the batteries are removed, the battery icon is reset to
(less than 30% capacity). In this case, even if fully charged
batteries are fitted, the icon remains as
until a full charge cycle is complete.
·
On replacing the batteries, ensure only Panasonic P6P (Ni-MH) batteries are used.
4
KX-TCD755RUS