Panasonic KX-FT936, KX-FT938 - in ser.pdf

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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
ORDER NO.KMF0607007CE
Facsimile with Digital Answering System
KX-FT936HG-B
KX-FT938HG-B
B: Black Version
(for Hungary)
© 2006 Panasonic Communications Co., Ltd. All
rights reserved. Unauthorized copying and distribu-
tion is a violation of law.
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KX-FT936HG-B/KX-FT938HG-B
TABLE OF CONTENTS PAGE
PAGE
1 Safety Precautions ----------------------------------------------- 3
1.1. For Service Technicians ----------------------------------3
1.2. AC Caution---------------------------------------------------4
1.3. Personal Safety Precautions ----------------------------5
1.4. Service Precautions ---------------------------------------6
2Warning -------------------------------------------------------------- 7
2.1. About Lead Free Solder (PbF: Pb free) --------------7
2.2. Insulation Resistance Test -------------------------------7
2.3. Battery Caution ---------------------------------------------7
3 Specifications ------------------------------------------------------ 9
4 General/Introduction ------------------------------------------- 10
4.1. Optional Accessories------------------------------------ 10
4.2. Translation Lists ------------------------------------------ 10
5Features ------------------------------------------------------------ 11
6 Technical Descriptions ---------------------------------------- 12
6.1. Connection Diagram------------------------------------- 12
6.2. General Block Diagram --------------------------------- 13
6.3. Control Section ------------------------------------------- 15
6.4. Facsimile Section ---------------------------------------- 21
6.5. Sensors and Switches ---------------------------------- 27
6.6. Modem Section ------------------------------------------- 31
6.7. NCU Section----------------------------------------------- 38
6.8. ITS (Integrated Telephone System) AND
MONITOR SECTION------------------------------------ 42
6.9. ATAS (Automatic Telephone Answering
System) SECTION--------------------------------------- 42
6.10. Operation Board Section ------------------------------- 44
6.11. LCD Section ----------------------------------------------- 45
6.12. Power Supply Board Section-------------------------- 46
7 Location of Controls and Components ------------------ 49
7.1. Overview --------------------------------------------------- 49
7.2. Control Panel---------------------------------------------- 50
8 Installation Instructions --------------------------------------- 51
8.1. Installation Space ---------------------------------------- 51
8.2. Connections ----------------------------------------------- 51
8.3. Installing the Recording Paper------------------------ 52
9 Operation Instructions ---------------------------------------- 53
9.1. Setting Your Logo ---------------------------------------- 53
10 Test Mode ---------------------------------------------------------- 55
10.1. DTMF Single Tone Transmit Selection ------------- 56
10.2. Button Code Table --------------------------------------- 56
10.3. Print Test Pattern ----------------------------------------- 56
11 Service Mode ----------------------------------------------------- 57
11.1. Programming and Lists --------------------------------- 57
11.2. The Example of the Printed List ---------------------- 61
12 Troubleshooting Guide ---------------------------------------- 65
12.1. Troubleshooting summary ----------------------------- 65
12.2. Error Messages-Display -------------------------------- 66
12.3. Error Messages Report --------------------------------- 68
12.4. Remote Programming----------------------------------- 89
12.5. Troubleshooting Details -------------------------------- 92
13 Service Fixture & Tools ------------------------------------- 118
14 Disassembly and Assembly Instructions ------------- 119
14.1. Disassembly Flowchart --------------------------------119
14.2. Disassembly Procedure ------------------------------ 121
15 Maintenance ---------------------------------------------------- 132
15.1. Maintenance Items and Componet Locations -- 132
15.2. Gear Section -------------------------------------------- 134
15.3. Jams ------------------------------------------------------- 140
15.4. Cleaning--------------------------------------------------- 141
16 Miscellaneous -------------------------------------------------- 142
16.1. Terninal Guide of the ICs, Transistors and
Diodes ----------------------------------------------------- 142
16.2. HOW TO REPLACE THE FLAT PACKAGE IC - 144
16.3. Test Chart------------------------------------------------- 148
17 Schematic Diagram ------------------------------------------- 150
17.1. Digital Board --------------------------------------------- 150
17.2. Analog Board -------------------------------------------- 152
17.3. Operation Board ---------------------------------------- 154
17.4. Power Supply Board ----------------------------------- 155
18 Printed Circuit Board ----------------------------------------- 157
18.1. Digital Board --------------------------------------------- 157
18.2. Analogue Board ---------------------------------------- 159
18.3. Operation Board ---------------------------------------- 161
18.4. Power Supply Board ----------------------------------- 163
19 Appendix Information of Schematic Diagram ------- 164
20 Exploded View and Replacement Parts List ---------- 165
20.1. Cabinet, Mechanical and Electrical Parts
Location --------------------------------------------------- 165
20.2. Replacement Parts List ------------------------------- 172
20.3. Cabinet and Mechanical Parts ---------------------- 172
20.4. Digital Board Parts ------------------------------------- 173
20.5. Analog Board Parts ------------------------------------ 175
20.6. Operation Board Parts--------------------------------- 177
20.7. Power Supply Board Parts --------------------------- 177
20.8. Fixtures and Tools -------------------------------------- 178
2
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KX-FT936HG-B/KX-FT938HG-B
1
Safety Precautions
1. Before servicing, unplug the AC power cord to prevent an electric shock.
2. When replacing parts, use only the manufacturer's recommended components.
3. Check the condition of the power cord. Replace if wear or damage is evident.
4. After servicing, be sure to restore the lead dress, insulation barriers, insulation papers, shields, etc.
5. Before returning the serviced equipment to the customer, be sure to perform the following insulation resistance test to prevent
the customer from being exposed to shock hazards.
1.1. For Service Technicians
ICs and LSIs are vulnerable to static electricity.
When repairing, the following precautions will help prevent recurring malfunctions.
1. Cover the plastic part's boxes with aluminum foil.
2. Ground the soldering irons.
3. Use a conductive mat on the worktable.
4. Do not touch the IC or LSI pins with bare fingers.
1.1.1. Suggested PBF Solder
There are several types of PbF solder available commercially. While this product is manufactured using Tin, Silver, and Copper,
(Sn+Ag+Cu), you can also use Tin and Copper, (Sn+Cu), or Tin, Zinc, and Bismuth, (Sn+Zn+Bi). Please check the manufac-
turer's specific instructions for the melting points of their products and any precautions for using their product with other materi-
als.
The following lead free (PbF) solder wire sizes are recommended for service of this product: 0.3mm, 0.6mm and 1.0mm.
3
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KX-FT936HG-B/KX-FT938HG-B
1.1.2. How to recognize that Pb Free Solder is Used
P.C.Boards marked as "PbF" use Pb Free solder. (See the figure below.)
(Example: Digital board)
Note: The "PbF" marked may be found on different areas of the same P.C.Board,depending on manufacture date.
1.2. AC Caution
For safety, before closing the lower cabinet, please make sure of the following precautions.
1. The earth lead is fixed with the screw.
2. The AC lead is connected properly to power supply unit.
3. Wrap the earth lead around the core 5 times.
4. Wrap the AC lead around the core 5 times.
4
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KX-FT936HG-B/KX-FT938HG-B
1.3.
Personal Safety Precautions
1.3.1. Moving Sections of the Unit
Be careful not to let your hair, clothes, fingers, accessories, etc., become caught in any moving sections of the unit.
The moving sections of the unit are the rollers and a gear. There is a separation roller and a document feed roller which are
rotated by the document feed motor. A gear rotates the two rollers. Be careful not to touch them with your hands, especially
when the unit is operating.
1.3.2. Live Electrical Sections
All the electrical sections of the unit supplied with AC power by the AC power cord are live.
Never disassemble the unit for service with the AC power supply plugged in.
CAUTION:
AC voltage is supplied to the primary side of the power supply unit. Therefore, always unplug the AC power cord before disas-
sembling for service.
5
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