Read Panasonic KX-NCP1174XJ (serv.man2) Service Manual online
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KX-NCP1174XJ
TABLE OF CONTENTS
PAGE
PAGE
1 Safety Precautions -----------------------------------------------3
1.1. For Service Technicians ---------------------------------3
2 Warning --------------------------------------------------------------3
2.1. About Lead Free Solder (PbF: Pb free) --------------3
2.1.1. Suggested PbF Solder -------------------------------3
2.2. Discarding of P. C. Board --------------------------------4
3 Specifications ------------------------------------------------------5
4 General/Introduction ---------------------------------------------5
4 General/Introduction ---------------------------------------------5
4.1. General Description ---------------------------------------5
5 Technical Descriptions------------------------------------------6
5.1. Block Diagram ----------------------------------------------6
5.2. Circuit Operation -------------------------------------------7
5.2. Circuit Operation -------------------------------------------7
5.2.1. Control-System Circuit -------------------------------7
5.2.2. CODEC Function (IC201, 202, 250, 251) -------9
5.2.3. 2W-4W Conversion -----------------------------------9
5.2.4. DTMF Signal Detection ---------------------------- 10
5.2.5. Power Supply ---------------------------------------- 11
5.2.6. Dial Pulse Detection -------------------------------- 11
5.2.7. Hook Detection--------------------------------------- 12
5.2.8. Ring Trip Feature ----------------------------------- 12
5.2.9. Surge Protection ------------------------------------ 13
5.2.2. CODEC Function (IC201, 202, 250, 251) -------9
5.2.3. 2W-4W Conversion -----------------------------------9
5.2.4. DTMF Signal Detection ---------------------------- 10
5.2.5. Power Supply ---------------------------------------- 11
5.2.6. Dial Pulse Detection -------------------------------- 11
5.2.7. Hook Detection--------------------------------------- 12
5.2.8. Ring Trip Feature ----------------------------------- 12
5.2.9. Surge Protection ------------------------------------ 13
5.2.10. Bell Signal Generator------------------------------- 14
5.2.11. Bell Signal Transmission -------------------------- 14
5.2.12. EXT-CID Transmission----------------------------- 15
5.2.13. Power Supply Voltage Generator --------------- 17
5.2.13. Power Supply Voltage Generator --------------- 17
6 Location of Controls and Components------------------ 18
6.1. Names and Locations----------------------------------- 18
7 Installation Instructions--------------------------------------- 19
7.1. Information about the Physical Extension
Cards -------------------------------------------------------- 19
7.1.1. SLC16 Card------------------------------------------- 19
8 Troubleshooting Guide---------------------------------------- 20
9 Miscellaneous ---------------------------------------------------- 29
9 Miscellaneous ---------------------------------------------------- 29
9.1. How To Replace a Flat Package IC ----------------- 29
9.1.1. Preparation-------------------------------------------- 29
9.1.2. Removal Procedure--------------------------------- 29
9.1.3. Procedure --------------------------------------------- 29
9.1.4. Removing Solder From Between Pins --------- 29
9.1.2. Removal Procedure--------------------------------- 29
9.1.3. Procedure --------------------------------------------- 29
9.1.4. Removing Solder From Between Pins --------- 29
9.2. Terminal Guide of the ICs Transistors and
Diodes------------------------------------------------------- 30
10 Schematic Diagram--------------------------------------------- 31
10.1. Block Diagram -------------------------------------------- 31
10.2. No.1---------------------------------------------------------- 32
10.3. No.2---------------------------------------------------------- 34
10.4. No.3---------------------------------------------------------- 38
10.5. No.4---------------------------------------------------------- 42
10.6. No.5---------------------------------------------------------- 44
10.7. Waveform -------------------------------------------------- 45
10.2. No.1---------------------------------------------------------- 32
10.3. No.2---------------------------------------------------------- 34
10.4. No.3---------------------------------------------------------- 38
10.5. No.4---------------------------------------------------------- 42
10.6. No.5---------------------------------------------------------- 44
10.7. Waveform -------------------------------------------------- 45
11 Printed Circuit Board ------------------------------------------ 49
11.1. Component View ----------------------------------------- 49
11.2. Bottom View ----------------------------------------------- 50
11.2. Bottom View ----------------------------------------------- 50
12 Appendix Information of Schematic Diagram --------- 51
13 Exploded View and Replacement Parts List ----------- 52
13 Exploded View and Replacement Parts List ----------- 52
13.1. IC Data------------------------------------------------------ 52
13.1.1. IC14 (ASIC) ------------------------------------------- 52
13.1.2. IC201, IC202, IC250, IC251 (CODEC I/O
13.1.2. IC201, IC202, IC250, IC251 (CODEC I/O
Port)----------------------------------------------------- 54
13.1.3. IC700 (Caller ID ASIC)----------------------------- 56
13.2. Cabinet and Electrical Parts Location -------------- 59
13.3. Accessories and Packing Material ------------------ 60
13.4. Replacement Parts List -------------------------------- 61
13.3. Accessories and Packing Material ------------------ 60
13.4. Replacement Parts List -------------------------------- 61
13.4.1. Cabinet and Electrical Parts Location --------- 61
13.4.2. Accessories and Packing Materials ------------ 61
13.4.3. Main Board Parts ----------------------------------- 61
13.4.2. Accessories and Packing Materials ------------ 61
13.4.3. Main Board Parts ----------------------------------- 61
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