Panasonic KX-FT72BR-G User manual

© 2001 Kyushu Matsushita Electric Co., Ltd. All
rights reserved. Unauthorized copying and
distribution is a violation of law.
KX-FT72BR-G
(for Brazil)
Personal FAX
.ORDER NO. KMF0112524C3

1 INTRODUCTION 3
1.1. LCD MESSAGE 3
1.2. SAFETY PRECAUTIONS 4
1.3. INSULATION RESISTANCE TEST 4
1.4. FOR SERVICE TECHNICIANS 4
1.5. BATTERY CAUTION 4
1.6. AC CAUTION 5
1.7. PERSONAL SAFETY PRECAUTIONS 5
1.8. FEATURES 6
1.9. SPECIFICATIONS 7
1.10. OPTIONAL ACCESSORY 7
1.11. TEST CHART 8
1.12. LOCATION OF CONTROLS 10
1.13. CONNECTIONS 12
1.14. INSTALLATION 13
1.15. MAINTENANCE ITEMS AND COMPONENT LOCATIONS
18
2 TROUBLESHOOTING GUIDE 21
2.1. TROUBLESHOOTING SUMMARY 21
2.2. USER RECOVERABLE ERRORS 22
2.3. TROUBLESHOOTING DETAILS 25
2.4. PROGRAMMING AND LISTS 75
2.5. TEST FUNCTIONS 82
3 DISASSEMBLY INSTRUCTIONS 84
3.1. HOW TO REMOVE THE HANDSET CRADLE CABINET,
HOOK BUTTON AND SPEAKER 84
3.2. HOW TO REMOVE THE OPERATION BLOCK 85
3.3. HOW TO REMOVE THE OPERATION BOARD AND LCD
86
3.4. HOW TO REMOVE THE BOTTOM FRAME AND
ANALOG BOARD 87
3.5. HOW TO REMOVE THE DIGITAL, POWER SUPPLY
BOARD AND AC INLET 88
3.6. HOW•@TO REMOVE THE MOTOR BLOCK AND
SEPARATION ROLLER 89
3.7. HOW TO REMOVE THE MOTOR AND GEARS OF
MOTOR BLOCK 90
3.8. HOW TO REMOVE THE IMAGE SENSOR (CIS) 91
3.9. HOW TO REMOVE THE DOCUMENT FEED ROLLER
92
3.10. HOW TO REMOVE THE THERMAL HEAD 93
3.11. INSTALLATION POSITION OF THE LEAD WIRES 94
4 HOW TO REPLACE THE FLAT PACKAGE IC 95
4.1. PREPARATION 95
4.2. FLAT PACKAGE IC REMOVAL PROCEDURE 95
4.3. FLAT PACKAGE IC INSTALLATION PROCEDURE 96
4.4. BRIDGE MODIFICATION PROCEDURE 96
5 CIRCUIT OPERATIONS 97
5.1. CONNECTION DIAGRAM 97
5.2. GENERAL BLOCK DIAGRAM 98
5.3. CONTROL SECTION 100
5.4. FACSIMILE SECTION 108
5.5. SENSORS AND SWITCHES 118
5.6. MODEM SECTION 121
5.7. ANALOG UNIT BLOCK DIAGRAM 128
5.8. NCU SECTION 129
5.9. ITS (Integrated telephone System) and MONITOR
SECTION 131
5.10. EXT. TEL 131
5.11. OPERATION BOARD SECTION 133
5.12. POWER SUPPLY BOARD SECTION 135
6 TERMINAL GUIDE OF THE ICs TRANSISTORS AND DIODES
137
7 FIXTURES AND TOOLS 138
8 CABINET, MECHANICAL AND ELECTRICAL PARTS
LOCATION 139
8.1. OPERATION PANEL SECTION 139
8.2. UPPER CABINET SECTION 140
8.3. LOWER CABINET/P.C.B. SECTION 141
8.4. MOTOR SECTION 142
8.5. ACTUAL SIZE OF SCREWS 143
9 ACCESSORIES AND PACKING MATERIALS 144
10 REPLACEMENT PARTS LIST 145
10.1. CABINET AND ELECTRICAL PARTS 145
10.2. DIGITAL BOARD PARTS 146
10.3. ANALOG BOARD PARTS 148
10.4. OPERATION BOARD PARTS 149
10.5. POWER SUPPLY BOARD PARTS 149
10.6. FIXTURES AND TOOLS 150
11 PRINTED CIRCUIT BOARD 151
11.1. DIGITAL BOARD : COMPONENT VIEW 151
11.2. DIGITAL BOARD (PCB1) : BOTTOM VIEW 152
11.3. ANALOG BOARD (PCB2) : COMPONENT VIEW 153
11.4. ANALOG BOARD (PCB2) : BOTTOM VIEW 154
11.5. OPERATION BOARD (PCB3) 155
11.6. POWER SUPPLY BOARD (PCB4) 156
12 FOR THE SCHEMATIC DIAGRAMS 157
13 SCHEMATIC DIAGRAM 158
13.1. DIGITAL BOARD (PC1) 158
13.2. ANALOG CIRCUIT (PCB2) 160
13.3. OPERATION BOARD (PCB3) 161
13.4. POWER SUPPLY BOARD (PCB4) 162
CONTENTS
Page Page
2
KX-FT72BR-G

1.1. LCD MESSAGE
1 INTRODUCTION
3
KX-FT72BR-G

1.2. 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.
1.3. INSULATION RESISTANCE TEST
1.Unplug the power cord and short the two prongs of the plug with a jumper wire.
2.Turn on the power switch.
3.Measure the resistance value with an ohmmeter between the jumpered AC plug and each exposed metal cabinet part (screw
heads, control shafts, bottom frame, etc.).
Note: Some exposed parts may be isolated from the chassis by design. These will read infinity.
4. If the measurement is outside the specified limits, there is a possibility of a shock hazard.
The equipment should be repaired and rechecked before it is returned to the customer.
1.4. 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.
1.5. BATTERY CAUTION
CAUTION
Danger of explosion if the battery is replaced incorrectly. Replace only with the same or equivalent type recommended by the
manufacturer. Discard used batteries according to following caution:
Disposal of lithium batteries should be performed by permitted, professional disposal firms knowledgeable in state government
federal and local hazardous materials and hazardous waste transportation and disposal requirements.
A battery continues to have no transportation limitations as long as it is separated to prevent short circuits and packed in strong
packaging.
Commercial firms that dispose of any quantity of lithium cells should have a mechanism in place to account for their ultimate
disposition. This is a good practice for all types of commercial or industrial waste.
Recommend Type Number:
PFSU1004Z (BAT501) Manufactured by TOSHIBA
CR2032 (BAT501) Manufactured by MATSUSHITA
PQPCR2032H09 (BAT501) Manufactured by SONY
4
KX-FT72BR-G

1.6. 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 connector is connected properly.
(3) Wrap the Earth Lead lead around the core 4 times.
1.7. PERSONAL SAFETY PRECAUTIONS
1.7.1. 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.
5
KX-FT72BR-G

General
•• Help function
Please refer to WHEN YOU DON´T KNOW HOW TO
OPERATE THE UNIT, USE THE HELP FUNCTION.(P.21)
to print below features.
Display:(Refer to LCD MESSAGE (P.3))
−− DIRECTORY
−− RECEIVE MODE
Facsimile
•• Space Saving Compact Design
•• Resolution: Standard, Fine/Photo, Super Fine
•• Copier Function
•• Automatic Document Feeder (10 Sheets)
•• Help Printout
•• Easy-to-view LCD (15 Characters)
Integrated Telephone System
•• Electric Volume Control
•• On-hook dialing
•• Redialing function
•• Temporary tone dialing
•• Electric Telephone directory
1.7.2. 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.
1.8. FEATURES
6
KX-FT72BR-G

1.9. SPECIFICATIONS
Applicable Lines: Public Switched Telephone Network
Document Size: Max. 216 mm (8 1/2”) in width
Max. 600 mm (23 5/8”) in length
Effective Scanning Width: 208mm (8 3/16”)
Recording Paper Size: 216 mm max. 30 m (8 1/2”×98”) roll
Effective Printing Width: 208 mm (8 3/16”)
Transmission Time*: Approx. 15 s/page (Original mode)**
Approx. 30 s/page (G3 Normal mode)
Scanning Density: Horizontal:
8 pels/mm (203 pels/inch)
Vertical:
3.85 lines/mm (98 lines/inch)—STANDARD
7.7 lines/mm (196 lines/inch)—FINE/PHOTO
15.4 lines/mm (392 lines/inch)—SUPER FINE
Halftone Level: 64-level
Scanner Type: Contact Image Sensor (CIS)
Printer Type: Thermal Printing
Data Compression System: Modified Huffman (MH), Modified READ (MR)
Modem Speed: 9,600 / 7,200 / 4,800 / 2,400 bps; Automatic Fallback
Operating Environment: 5°C—35°C (41°F—95°F), 45 %—85 % RH (Relative Humidity)
Dimensions (H×W×D): 118 mm × 338 mm × 246 mm (4 5/8” × 13 5/16” × 9 11/16”)
Mass (Weight): Approx. 2.5 kg (5.5 lb.)
Power Consumption: Standby: Approx. 5.5 W
Transmission: Approx. 20 W (When sending the ITU-T No.1 Test Chart)
Reception: Approx. 33 W (When receiving the ITU-T No. 1 Test Chart)
Copy: Approx. 30 W (When copying the ITU-T No. 1 Test Chart)
Maximum: Approx. 120 W (When copying a 100 % black document)
Power Supply: 120 V AC, 60 Hz
* Transmission speed depends upon the contents of the pages, resolution, telephone line conditions and capability of the other
party´s machine.
** Transmission speed is based upon the ITU-T No. 1 Test Chart and original mode. (Refer to TEST CHART (P.8).)
If the capability of the other party’s machine is inferior to your unit, the transmission time may be longer.
Note:
•• Any details given in these instructions are subject to change without notice.
•• The pictures and illustrations in these instructions may vary slightly from the actual product.
1.10. OPTIONAL ACCESSORY
Model No. Description Specifications
KX-A106 Standard thermal recording paper 216 mm × 30 m (8 1/2”×98’) roll, with 25 mm (1”) core
7
KX-FT72BR-G

1.11. TEST CHART
1.11.1. ITU-T NO.1 TEST CHART
8
KX-FT72BR-G

1.11.2. CCITT NO. 2 TEST CHART
9
KX-FT72BR-G

1.12. LOCATION OF CONTROLS
1.12.1. OVERVIEW
10
KX-FT72BR-G

1.12.2. CONTROL PANEL
RECEIVE MODE
•• To change the receive mode.
STOP
•• To stop an operation or cancel programming.
TONE
•• To change from pulse to tone
temporarily during dialing when your
line has rotary pulse services.
FLASH
•• To access special telephone services
such as call waiting or for transferring
extension calls.
REDIAL/PAUSE
•• To redial the last number dialed. If the
line is busy when you make a phone call
using the button, the unit will
automatically redial the number up to 5
times.
•• To insert a pause during dialing.
MUTE
•• To mute your voice to the other party
during a conversation. Press this button
again to resume the conversation.
MONITOR
•• To dial without lifting the handset.
MENU
•• To initiate or exit programming .
NAVIGATOR, VOLUME
•• To adjust volume.
•• To search for a stored name.
•• To select the features or feature settings
during programming.
•• To navigate to the next operation.
HELP
•• To print a quick reference.
FAX/START, SET
•• To initiate fax transmission or reception.
•• To store a setting during programming.
COPY
•• To initiate copying.
11
KX-FT72BR-G

1.13. CONNECTIONS
(1) Connect the handset cord.
(2) Connect the telephone line cord.
(3) Connect the power cord.
NOTE
When you operate this products, the power outlet should be near the product and easily accessible.
12
KX-FT72BR-G

1.14. INSTALLATION
1.14.1. INSTALLING THE RECORDING PAPER
(1) Open the cover by pressing the cover open button and
install the recording paper roll.
•• If the paper is secured with glue or tape, cut
approximately 15 cm (6 inches) from the beginning
of the roll.
(2) Pull the leading edge of the paper approximately 10 cm
(4 inches) out of the unit.
•• Make sure that there is no slack in the paper roll.
(3) Close the cover securely by pushing down on both
sides.
(4) Tear off the excess paper by pulling it towards you.
Note:
•• Only use the included roll of paper or specified recording paper, or else the print quality may be affected and/or excessive
thermal head wear may occur.
•• To order recording paper, see OPTIONAL ACCESSORY (P.7).
•• When the power cord is connected, every time you close the cover a message will be printed if the recording paper is set
to the wrong side, a message will not be printed. Install the paper correctly.
13
KX-FT72BR-G

1.14.2. SETTING YOUR LOGO
The logo can be your company, division or name.
(1) Press .
Display:Refer to LCD MESSAGE (P.3)
(2) Press .
(3) Press or until the following is displayed.
(4) Press .
(5) Enter your logo, up to 30 characters, by using the dial
keypad.
Example: Bill
a.Press 2 times.
b.Press 6 times.
c.Press 6 times.
d.Press to move the cursor to the next space and
press 6 times.
(6) Press .
•• The next feature will be displayed.
(7) Press .
Note:
•• You can enter your logo by pressing or in step (4). In this case, press to move the cursor.
To correct a mistake
•• Press or to move the cursor to the incorrect character,
and make the correction.
To insert a character
1.Press or to move the cursor to the position to the right of
where you want to insert the character.
2.Press to insert a space and enter the character.
To delete a character
•• Move the cursor to the character you want to delete and press
.
14
KX-FT72BR-G

1.14.3. TO SELECT CHARACTERS WITH THE DIAL KEYPAD
Pressing the dial keys will select a character as shown below.
1.14.4. TO SELECT CHARACTERS USING or
Instead of pressing the dial keys, you can select characters using or .
(1) Press or until the desired character is
displayed.
(2) Press to move the cursor to the next space.
•• The character displayed in step 1 is inserted.
(3) Return to step 1 to enter the next character.
Display order of characters
15
KX-FT72BR-G

1.14.5. SETTING THE DIAL LOCK
The dial lock feature prevents the unit from calls being made to any numbers, except for pre-stored emergency telephone numbers.
(1) Press .
Display:
(2) Press .
(3) Enter yor PIN(Personal dentification Number) code, from 2
to 4 digits, using 0-9.
If you want to release the PIN code, refer to #531 on the
SERVICE FUNCTION TABLE (P.77)
(4) Press .
(5) Enter an emergency telephone number, up to 30 digits,
using the dial keypad.
(6) Press .
•• The next feature will be displayed.
(7) If necessary, enter the second emergency telephone
number using the dial keypad.
•• If you do not need to enter, skip to step 8.
(8) Press .
(9) If necessary, enter the third emergency telephone number
using the dial keypad.
•• If you do not need to enter, skip to step 10.
(10) Press .
Note:
•• To correct/delete an emergency
telephone number, see the bottom right
of page 19.
•• You can also enter an emergency
telephone number using the directory in
steps 5,7 and 9.
Press or until the desired name
is displayed, then press .
Making an emergency call
1.Press to lift the handset while the unit displays the
following.
Display:
•• The display will show the following.
Example:
2.Press or unitil the desired emergency telephone number
is displayed.
Example:
3.Press
•• The unit will start dialing automatically.
•• If any documents are in the document entrance, the unit will
start fax transmission..
To insert a character
1.Follow steps 1-3 on the left.
2.Press .
16
KX-FT72BR-G

1.14.6. DOCUMENTS YOU CAN SEND
Note:
•• Remove clips, staples or other similar fasteners.
•• Check that ink, paste or correction fluid has dried.
•• Do not send the following types of documents:(Use copies for fax transmission.)
— Chemically treated paper such as carbon or carbonless duplicating paper
— Electrostatically charged paper
— Badly curled, creased or torn paper
— Paper with a coated surface
— Paper with a faint image
— Paper with printing on the opposite side that can be seen through the front (i.e. newspaper)
•• To transmit the document(s) with a width of less than A4 size (210mm), we recommend using a
copy machine to copy the original document onto A4 or letter-sized paper, than transmit the copied
document.
17
KX-FT72BR-G

1.15. MAINTENANCE ITEMS AND COMPONENT LOCATIONS
1.15.1. OUTLINE
MAINTENANCE AND REPAIRS ARE PERFORMED USING THE FOLLOWING STEPS.
1.Periodic maintenance
Inspect the equipment periodically and if necessary, clean any contaminated parts.
2.Check for breakdowns
Look for problems and consider how they arose.
If the equipment can be still used, perform copying, self testing or communication testing.
3.Check equipment
Perform copying, self testing and communication testing to determine if the problem originates from the transmitter, receiver or
the telephone line.
4.Determine causes
Determine the causes of equipment problem by troubleshooting.
5.Equipment repairs
Repair or replace the defective parts and take appropriate measures at this stage to ensure that the problem will not recur.
6.Confirm normal operation of the equipment
After completing the repairs, conduct copying, self testing and communication testing to confirm that the equipment operates
normally.
7.Record keeping
Make a record of the measures taken to rectify the problem for future reference.
1.15.2. MAINTENANCE CHECK ITEMS/COMPONENT LOCATIONS
18
KX-FT72BR-G

1.15.2.1. MAINTENANCE LIST
NO. OPERATION CHECK REMARKS
1Document Path Remove any foreign matter such as paper. —
2Rollers If the roller is dirty, clean it with a damp cloth then dry
thoroughly. See CLEANING (P.20)
3Thermal Head If the thermal head is dirty, clean the printing surface
with a cloth moistened with denatured alcohol (alcohol
without water), then dry thoroughly.
See CLEANING (P.20) and
DISASSEMBLY INSTRUCTIONS
(P.84).
4Glass If the glass is dirty, clean the with a dry soft cloth. See CLEANING (P.20)
5Sensors Document sensor (PS1), Read position sensor (PS2),
Recording paper/cover open sensor (SW1) Jam sensor
(SW3).
See SENSOR SECTION (P.72)
and SENSORS AND SWITCHES
(P.118) .
6Abnormal, wear and tear or loose parts If the glass is dirty, clean them with a dry soft cloth. —
1.15.2.2. MAINTENANCE CYCLE
No. Item Cleaning Cycle Replacement
Cycle Procedure
1Separation Roller
(Ref. No. 72) 3 months 7 years* (100,000 documents) See HOW•@TO REMOVE THE MOTOR BLOCK AND SEPARATION ROLLER (P.89).
2Separation Rubber
(Ref. No. 21) 3 months 7 years* (100,000 documents) See HOW•@TO REMOVE THE MOTOR BLOCK
AND SEPARATION ROLLER (P.89).
3Feed Rollers
(Ref. No. 58) 3 months 7 years* (100,000 documents) See HOW•@TO REMOVE THE MOTOR BLOCK AND SEPARATION ROLLER (P.89).
4Thermal Head
(Ref. No. 53) 3 months 7 years* (100,000 documents) See HOW•@TO REMOVE THE MOTOR BLOCK AND SEPARATION ROLLER (P.89).
* These values are standard and may vary depending on usage conditions.P.89
19
KX-FT72BR-G

1.15.3. CLEANING
1.15.3.1. DOCUMENT FEEDER
If misfeeding occurs frequently or if dirty patterns or black bands or white bands appear on a copied or transmitted document
or the original of a copied document, clean the document feeder.
(1) Disconnect the power cord and the telephone line cord.
(2) Open the cover by pressing the cover open button.
(3) Clean the document feeder rollers, sub roller and
rubber flap with a cloth moistened with isopropyl rubbing
alcohol, and let all parts dry thoroughly.
(4) Clean the white plate and glass with a soft dry cloth.
(5) Close the cover securely by pushing down on both
ends.
(6) Connect the power cord and the telephone line cord.
Caution:
Do not use paper products, such as paper towels or
tissues, to clean the inside of the unit.
1.15.3.2. THE THERMAL HEAD
If dirty patterns or black bands appear on a copied or received document, clean the thermal head.
(1) Disconnect the power cord and the telephone line cord.
(2) Open the cover by pressing the cover open button.
(3) Clean the thermal head with a cloth moistened with
isopropyl rubbing alcohol, and let it dry thoroughly.
(4) Close the cover securely by pushing down on both
sides.
(5) Connect the power cord and the telephone line cord.
Caution:
To prevent a malfunction due to static electricity, do
not use a dry cloth and do not touch the thermal
head directly.
20
KX-FT72BR-G