Panasonic KX-T7565RU Service Manual ▷ View online
KX-T7565RU
(for Russia)
DIGITAL PROPRIETARY TELEPHONE
ORDER NO. KMS0202613C2
1
CAUTION
2
2
FOR SERVICE TECHNICIANS
2
3
LOCATION OF CONTROLS
3
4
DISASSEMBLY INSTRUCTION
4
4.1.
HOW TO REMOVE THE LOWER CABINET
4
4.2.
HOW TO REMOVE THE HOOK BUTTON
4
4.3.
HOW TO REMOVE THE MAIN BOARDS
5
4.4.
HOW TO REMOVE THE LCD BLOCK
5
5
IC DATA
6
5.1.
IC1
6
5.2.
IC2
8
6
BLOCK DIAGRAM
10
7
CIRCUIT OPERATIONS
11
7.1.
KEY INPUT CONTROL CIRCUIT
11
7.2.
LCD CONTROL CIRCUIT
12
7.3.
LED CIRCUIT
13
7.4.
DATA COMMUNICATION CIRCUIT
14
7.5.
RESET CIRCUIT
15
7.6.
TONE GENERATION CIRCUIT
16
7.7.
HANDSET CIRCUIT
18
7.8.
SPEAKER-PHONE CIRCUIT
18
8
TROUBLE SHOOTING GUIDE
20
8.1.
NO OPERATION
20
8.2.
THE ELECTRONIC VOLUME OF THE SPEAKER-PHONE
DOES NOT WORK
21
8.3.
THE ELECTRONIC VOLUME OF THE HANDSET DOES
NOT WORK
21
8.4.
SPEAKER-PHONE TROUBLE
22
8.5.
TONE DIAL TROUBLE
22
8.6.
HANDSET TROUBLE
23
9
WAVEFORM
24
10 TERMINAL GUIDE OF ICS, TRANSISTORS AND DIODES
26
11 HOW TO REPLACE THE FLAT PACKAGE IC
27
11.1. PREPARATION
27
11.2. FLAT PACKAGE IC REMOVE PROCEDURE
27
11.3. FLAT PACKAGE IC INSTALLATION PROCEDURE
28
11.4. BRIDGE MODIFICATION PROCEDURE
28
12 CABINET AND ELECTRICAL PARTS LOCATION
29
13 ACCESSORIES AND PACKING MATERIALS
30
14 REPLACEMENT PARTS LIST
31
14.1. CABINET AND ELECTRICAL PARTS
31
14.2. ACCESSORIES AND PACKING MATERIALS
31
14.3. MAIN BOARD PARTS
31
15 FOR THE SCHEMATIC DIAGRAM
34
16 SCHMATIC DIAGRAM
35
17 PRINTED CIRCUIT BOARD (MAIN BOARD)
37
17.1. COMPONNENT VIEW
37
17.2. BOTTOM VIEW
38
CONTENTS
Page
Page
1 CAUTION
Note:
When you mention the serial number, write down all 11 digits.
The serial number may be found the label affixed to the bottom of the unit.
The serial number may be found the label affixed to the bottom of the unit.
2 FOR SERVICE TECHNICIANS
1. Note the following items when exchanging the LEDs (Ref. No. D100-107) of Main Board.
1) Do not reuse a LED which is removed from the P.C. Board.
2) Use a soldering iron (less than 15 W) for exchanging LED.
3) Do not heat the LED for more than 2 seconds.
4) Do not move the LED after soldering.
2) Use a soldering iron (less than 15 W) for exchanging LED.
3) Do not heat the LED for more than 2 seconds.
4) Do not move the LED after soldering.
2
KX-T7565RU
3 LOCATION OF CONTROLS
3
KX-T7565RU
(Procedure 1)
4 DISASSEMBLY INSTRUCTION
4.1. HOW TO REMOVE THE LOWER CABINET
(1) Remove the 5 screws A.
(2) Remove the lower cabinet.
(2) Remove the lower cabinet.
4.2. HOW TO REMOVE THE HOOK BUTTON
(Procedure 1
→
→
2)
(1) Remove the hook button.
4
KX-T7565RU
