KX-FC966RU, KX-FC966UA - Panasonic Fax Service Manual (repair manual). Page 2

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1 Safety Precautions -----------------------------------------------3

1.1. For Service Technicians ----------------------------------3
1.2. AC Caution---------------------------------------------------3
1.3. Personal Safety Precautions ----------------------------4
1.4. Service Precautions ---------------------------------------5

2 Warning --------------------------------------------------------------6

2.1. About Lead Free Solder (PbF: Pb free) --------------6
2.2. Insulation Resistance Test -------------------------------7
2.3. Battery Caution ---------------------------------------------7

3 Specifications ------------------------------------------------------8

3.1. Base Unit -----------------------------------------------------8
3.2. Cordless Handset ------------------------------------------9

4 General/Introduction ------------------------------------------- 10

4.1. Optional Accessories------------------------------------ 10
4.2. Translation Lists ------------------------------------------ 11

5 Features ------------------------------------------------------------ 13
6 Technical Descriptions---------------------------------------- 14

6.1. Connection Diagram------------------------------------- 14
6.2. General Block --------------------------------------------- 15
6.3. Control (Facsimile) Section---------------------------- 17
6.4. Facsimile Section ---------------------------------------- 20
6.5. Sensor and Switches------------------------------------ 27
6.6. Modem Section ------------------------------------------- 31
6.7. NCU Section----------------------------------------------- 38
6.8. ITS (Integrated Telephone System) and

Monitor Section  ------------------------------------------ 41

6.9. Transmitter / Receiver (Cordless)-------------------- 41

6.10. Operation Board Section ------------------------------- 42

6.11. LCD Section ----------------------------------------------- 43

6.12. Power Supply Board Section-------------------------- 44
6.13. Cordless Handset ---------------------------------------- 47

7 Location of Controls and Components------------------ 49

7.1. Overview --------------------------------------------------- 49
7.2. Control Panel---------------------------------------------- 50

8 Installation Instructions--------------------------------------- 52

8.1. Installation Space ---------------------------------------- 52
8.2. Connections ----------------------------------------------- 52
8.3. Battery Charge-------------------------------------------- 53
8.4. Recording Paper ----------------------------------------- 54
8.5. Documents the Unit can send------------------------- 55
8.6. Battery Installation/Replacement--------------------- 56

9 Operation Instructions ---------------------------------------- 56

9.1. Setting Your Logo ---------------------------------------- 56
9.2. Cordless Handset Programming --------------------- 57
9.3. Registering a Cordless Handset to a Base

Unit----------------------------------------------------------- 58

9.4. For Service Hint ------------------------------------------ 58

10 Test Mode---------------------------------------------------------- 59

10.1. Facsimile Section ---------------------------------------- 59

11 Service Mode ----------------------------------------------------- 61

11.1. Base Unit --------------------------------------------------- 61
11.2. Cordless Handset ---------------------------------------- 65
11.3. The Example of the Printed List ---------------------- 67
11.4. Descriptions of the History Report ------------------- 71

12 Troubleshooting Guide---------------------------------------- 72

12.1. Troubleshooting Summary----------------------------- 72
12.2. Error Messages-Display -------------------------------- 73
12.3. Error Messages-Report--------------------------------- 75

12.4. Remote Programming ---------------------------------- 96
12.5. Troubleshooting Details -------------------------------- 99

13 Service Fixture & Tools--------------------------------------137
14 Disassembly and Assembly Instructions -------------138

14.1. Disassembly Flow Chart ------------------------------138
14.2. Base Unit -------------------------------------------------140
14.3. Cordless Handset--------------------------------------- 152

15 Measurements and Adjustments -------------------------154

15.1. Cordless Base Section (Digital Board)

Adjustment -----------------------------------------------154

15.2. Adjustment Standard (Base Unit)-------------------157
15.3. The Setting Method of JIG (Cordless

Handset) --------------------------------------------------159

15.4. Adjustment Standard (Cordless Handset)--------161
15.5. Things to Do after Replacing IC---------------------162
15.6. RF Specification-----------------------------------------163
15.7. How to Check the Cordless Handset Speaker

or Receiver -----------------------------------------------164

15.8. Frequency Table (MHz) ------------------------------- 164

16 Maintenance-----------------------------------------------------165

16.1. Maintenance Items and Component Locations -165
16.2. Gear Section---------------------------------------------167
16.3. Jams -------------------------------------------------------174
16.4. Cleaning---------------------------------------------------175

17 Miscellaneous --------------------------------------------------176

17.1. Terminal Guide of the ICs, Transistors and

Diodes -----------------------------------------------------176

17.2. How to Replace the Flat Package IC -------------- 179
17.3. Test Chart-------------------------------------------------181

18 Schematic Diagram -------------------------------------------183

18.1. Digital Board (PCB1)-----------------------------------183
18.2. Analog Board (PCB2) ---------------------------------187
18.3. Operation Board (PCB3) / MIC Board (PCB9) --188
18.4. Power Supply Board (PCB4) ------------------------189
18.5. Interface Board (PCB5) ------------------------------- 190
18.6. Cordless Handset Board (PCB100)----------------191

19 Printed Circuit Board-----------------------------------------194

19.1. Digital Board (PCB1)-----------------------------------194
19.2. Analog Board (PCB2) ---------------------------------196
19.3. Operation Board (PCB3) / MIC Board (PCB9) --198
19.4. Power Supply Board (PCB4) ------------------------199
19.5. Interface Board (PCB5) ------------------------------- 200
19.6. Charger Board (PCB6) --------------------------------200
19.7. Cordless Handset Board (PCB100)----------------202

20 Appendix Information of Schematic Diagram -------204

20.1. For Schematic Diagram------------------------------- 204
20.2. CPU Data -------------------------------------------------205

21 Exploded View and Replacement Parts List----------210

21.1. Cabinet, Mechanical and Electrical Parts

Location ---------------------------------------------------210

21.2. Replacement Parts List ------------------------------- 217