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2
KX-HT82480/82470/82460 Series
TABLE OF CONTENTS
PAGE
PAGE
1 Safety Precautions
-----------------------------------------------3
1.1. For Service Technicians ---------------------------------3
1.2. Insulation Resistance Test -------------------------------4
1.2. Insulation Resistance Test -------------------------------4
2 Warning
--------------------------------------------------------------5
2.1. Battery Caution ---------------------------------------------5
2.1.1. Information for Users on Collection and
Disposal of Old Equipment and used
Baries-----------------------------------------------------5
Baries-----------------------------------------------------5
2.2. Caution--------------------------------------------------------6
2.3. About Lead Free Solder (PbF: Pb free) --------------7
2.3. About Lead Free Solder (PbF: Pb free) --------------7
2.3.1. Suggested PbF Solder -------------------------------8
2.4. Discarding of P. C. Board --------------------------------8
3 Specifications
------------------------------------------------------9
3.1. LCOT4 (KX-HT82480) ------------------------------------9
3.2. SLC8 (KX-HT82470) --------------------------------------9
3.3. DPH2 (KX-HT82460)--------------------------------------9
3.2. SLC8 (KX-HT82470) --------------------------------------9
3.3. DPH2 (KX-HT82460)--------------------------------------9
4 Technical Descriptions
---------------------------------------- 10
4.1. Block Diagram -------------------------------------------- 10
4.2. Unit----------------------------------------------------------- 11
4.2. Unit----------------------------------------------------------- 11
4.2.1. LCOT4 Block ----------------------------------------- 11
4.2.2. SLC8 Block ------------------------------------------- 16
4.2.3. DPH2 Block ------------------------------------------- 21
4.2.2. SLC8 Block ------------------------------------------- 16
4.2.3. DPH2 Block ------------------------------------------- 21
5 Location of Controls and Components
------------------ 23
5.1. Names and Locations----------------------------------- 23
6 Installation Instructions
--------------------------------------- 24
6.1. LCOT4 Card (KX-HT82480)--------------------------- 24
6.2. SLC8 Card (KX-HT82470)----------------------------- 25
6.3. DPH2 Card (KX-HT82460) ---------------------------- 26
6.2. SLC8 Card (KX-HT82470)----------------------------- 25
6.3. DPH2 Card (KX-HT82460) ---------------------------- 26
7 Troubleshooting Guide
---------------------------------------- 27
7.1. LCOT4 ------------------------------------------------------ 27
7.2. SLC8 -------------------------------------------------------- 31
7.3. DPH2 -------------------------------------------------------- 36
7.2. SLC8 -------------------------------------------------------- 31
7.3. DPH2 -------------------------------------------------------- 36
7.3.1. Cannot Call From Doorphone -------------------- 36
7.3.2. Cannot Talk To Doorphone------------------------ 37
7.3.3. Cannot use door opener--------------------------- 37
7.3.2. Cannot Talk To Doorphone------------------------ 37
7.3.3. Cannot use door opener--------------------------- 37
8 Maintenance
------------------------------------------------------ 38
8.1. How To Replace a Flat Package IC ----------------- 38
8.1.1. Preparation-------------------------------------------- 38
8.1.2. Removal Procedure--------------------------------- 38
8.1.3. Procedure --------------------------------------------- 38
8.1.4. Removing Solder From Between Pins --------- 38
8.1.2. Removal Procedure--------------------------------- 38
8.1.3. Procedure --------------------------------------------- 38
8.1.4. Removing Solder From Between Pins --------- 38
8.2. How to Replace the LLP (Leadless Leadframe
Package) IC and IC ground plate -------------------- 39
8.2.1. Preparation-------------------------------------------- 39
8.2.2. Caution------------------------------------------------- 39
8.2.3. How to Remove the IC ----------------------------- 39
8.2.4. How to Install the IC -------------------------------- 39
8.2.5. How to Remove a Solder Bridge (Doesn't
8.2.2. Caution------------------------------------------------- 39
8.2.3. How to Remove the IC ----------------------------- 39
8.2.4. How to Install the IC -------------------------------- 39
8.2.5. How to Remove a Solder Bridge (Doesn't
apply to IC ground plate.) ------------------------- 40
9 Schematic Diagram
-------------------------------------------- 41
9.1. LCOT4------------------------------------------------------ 41
9.2. SLC8 -------------------------------------------------------- 44
9.3. DPH2 ------------------------------------------------------- 47
9.2. SLC8 -------------------------------------------------------- 44
9.3. DPH2 ------------------------------------------------------- 47
10 Printed Circuit Board
------------------------------------------ 49
10.1. LCOT4------------------------------------------------------ 49
10.2. SLC8 -------------------------------------------------------- 50
10.3. DPH2 ------------------------------------------------------- 51
10.2. SLC8 -------------------------------------------------------- 50
10.3. DPH2 ------------------------------------------------------- 51
11 Appendix Information of Schematic Diagram
-------- 52
12 Exploded View and Replacement Parts List
----------- 53
12.1. Cabinet and Electric Parts----------------------------- 53
12.2. Accessories and Packing Materials----------------- 54
12.3. Replacement Parts List -------------------------------- 55
12.2. Accessories and Packing Materials----------------- 54
12.3. Replacement Parts List -------------------------------- 55
12.3.1. Cabinet and Electrical Parts --------------------- 55
12.3.2. Accessories and Packing Materials ------------ 55
12.3.3. Main Board Parts ----------------------------------- 55
12.3.2. Accessories and Packing Materials ------------ 55
12.3.3. Main Board Parts ----------------------------------- 55
13 History
-------------------------------------------------------------- 71
Model No.
Destination
KX-HT82480X/82470X/82460X
Asia, Latin America, Middle East, Africa, Europe
KX-HT82480SX/82470SX/82460SX
India
KX-HT82480BR
Brazil
KX-HT82470ML
Malaysia
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