Panasonic KX-TGP500B04, Service Manual

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KX-TGP500B04/KX-TPA50B04
TABLE OF CONTENTS
PAGE 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. IP PHONE Description ----------------------------------- 7
4.2. US-DECT Description ------------------------------------ 8
4.3. Explanation of Link Data Communication ----------10
4.4. Block Diagram (Base Unit_Main)--------------------- 11
4.5. Block Diagram (Base Unit_RF Part) -----------------12
4.6. Circuit Operation (Base Unit) --------------------------13
4.7. Block Diagram (Handset)-------------------------------16
4.8. Block Diagram (Handset_RF Part)-------------------17
4.9. Circuit Operation (Handset)----------------------------18
4.10. Circuit Operation (RF Part)-----------------------------21
4.11. Circuit Operation (Charger Unit) ----------------------22
4.12. Signal Route -----------------------------------------------23
5 Location of Controls and Components ------------------ 24
6 Installation Instructions --------------------------------------- 24
7 Operating Instructions ----------------------------------------- 24
8 Test Mode ---------------------------------------------------------- 25
8.1. Adjustment and Test Mode Flow Chart -------------25
8.2. Peer to Peer Mode Test---------------------------------32
8.3. USB Test Mode -------------------------------------------43
9 Service Mode ----------------------------------------------------- 48
9.1. How to Clear User Setting------------------------------48
9.2. Handset Operation Using the Direct
Commands for IP Settings -----------------------------49
9.3. Web User Interface --------------------------------------50
9.4. IP Reset-----------------------------------------------------55
9.5. How to Change MAC Address Label
(Procedure after Replacing the Main
P.C.Board of Base Unit)---------------------------------56
10 Troubleshooting Guide ---------------------------------------- 58
10.1. Troubleshooting Flowchart -----------------------------58
10.2. Failure Analysis of DSP, FLASH ROM and
RAM (Base Unit)------------------------------------------80
11 Disassembly and Assembly Instructions --------------- 85
11.1. Disassembly Instructions -------------------------------85
11.2. How to Replace the Handset LCD -------------------88
12 Measurements and Adjustments --------------------------- 90
12.1. Things to Do after Replacing IC ----------------------90
12.2. Base Unit Reference Drawing-------------------------91
12.3. Handset Reference Drawing---------------------------92
12.4. Frequency Table ------------------------------------------93
13 Miscellaneous ---------------------------------------------------- 94
13.1. Explanation of IC Terminals (RF Part)---------------94
13.2. How to Replace the Flat Package IC ----------------95
13.3. How to Replace the Shield Case ---------------------97
13.4. Terminal Guide of the ICs, Transistors and
Diodes ----------------------------------------------------- 100
14 Schematic Diagram ------------------------------------------- 101
14.1. For Schematic Diagram------------------------------- 101
14.2. Schematic Diagram (Base Unit_Main_DSP
Block) ------------------------------------------------------ 102
14.3. Schematic Diagram (Base Unit_Main_LAN
Block) ----------------------------------------------------- 104
14.4. Schematic Diagram (Base Unit_Main_Power) - 105
14.5. Schematic Diagram (Base Unit_RF Part)-------- 106
14.6. Schematic Diagram (Handset_Main) ------------- 108
14.7. Schematic Diagram (Handset_RF Part)-----------110
14.8. Schematic Diagram (Charger Unit)-----------------112
15 Printed Circuit Board ----------------------------------------- 113
15.1. Circuit Board (Base Unit_Main) ---------------------113
15.2. Circuit Board (Base Unit_RF Part)------------------115
15.3. Circuit Board (Handset_Main) -----------------------117
15.4. Circuit Board (Handset_RF Part) -------------------119
15.5. Circuit Board (Charger Unit)------------------------- 120
16 Exploded View and Replacement Parts List --------- 121
16.1. Cabinet and Electrical Parts (Base Unit) --------- 121
16.2. Cabinet and Electrical Parts (Handset)----------- 122
16.3. Cabinet and Electrical Parts (Charger Unit) ----- 123
16.4. Accessories and Packing Materials --------------- 124
16.5. Replacement Parts List------------------------------- 126