Panasonic Srv Man KXTGA935B

$7.95

Additional Digital Cordless Handset

Your service manual will be available to download (pdf format) following your payment!

TABLE OF CONTENTS Service Manual KX-TGA935B
PAGE
1 Safety Precautions----------------------------------------------- 4
1.1. For Service Technicians --------------------------------- 4
2 Warning-------------------------------------------------------------- 4
2.1. Battery Caution--------------------------------------------- 4
2.2. About Lead Free Solder (PbF: Pb free)-------------- 4
2.3. Discarding of P. C. Board-------------------------------- 5
3 Specifications ----------------------------------------------------- 6
4 Technical Descriptions ----------------------------------------- 7
4.1. US-DECT Description ------------------------------------ 7
4.2. Block Diagram (Handset)-------------------------------- 9
4.3. Block Diagram (Handset_RF Part)-------------------10
4.4. Circuit Operation (Handset)----------------------------11
4.5. Circuit Operation (RF Part)-----------------------------15
4.6. Circuit Operation (Charger Unit) ----------------------16
4.7. Signal Route -----------------------------------------------17
5 Location of Controls and Components ------------------19
5.1. Controls -----------------------------------------------------19
5.2. Display ------------------------------------------------------19
6 Installation Instructions ---------------------------------------19
6.1. Connections------------------------------------------------19
6.2. Battery-------------------------------------------------------19
7 Test Mode ----------------------------------------------------------21
7.1. Adjustment and Test Mode Flow Chart -------------21
8 Service Mode -----------------------------------------------------28
8.1. How to Clear User Setting------------------------------28
9 Troubleshooting Guide----------------------------------------29
9.1. Troubleshooting Flowchart -----------------------------29
9.2. How to Replace the Flat Package IC----------------38
9.3. How to Replace the LLP (Leadless Leadframe
Package) IC------------------------------------------------40
10 Disassembly and Assembly Instructions ---------------43
10.1. Disassembly Instructions -------------------------------43
10.2. How to Replace the Handset LCD -------------------45
11 Measurements and Adjustments---------------------------47
11.1. Things to Do after Replacing IC or X’tal ------------47
11.2. Handset Reference Drawing---------------------------48
11.3. Frequency Table ------------------------------------------49
12 Schematic Diagram---------------------------------------------51
12.1. For Schematic Diagram---------------------------------51
12.2. Schematic Diagram (Handset_Main)----------------52
12.3. Schematic Diagram (Handset_RF Part) ------------54
12.4. Schematic Diagram (Charger Unit) -----------------55
13 Printed Circuit Board-------------------------------------------57
13.1. Circuit Board (Handset_Main)-------------------------57
13.2. Circuit Board (Handset_RF Part) ---------------------59
13.3. Circuit Board (Charger Unit) ---------------------------60
14 Appendix Information of Schematic Diagram ---------61
14.1. CPU Data (Handset)-------------------------------------61
14.2. Explanation of IC Terminals (RF Part)---------------62
14.3. Terminal Guide of the ICs, Transistors and
Diodes -------------------------------------------------------63
15 Exploded View and Replacement Parts List -----------64
15.1. Cabinet and Electrical Parts (Handset) -------------64
15.2. Cabinet and Electrical Parts (Charger Unit) -------65
15.3. Accessories and Packing Materials------------------66
15.4. Replacement Parts List ---------------------------------67



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