Panasonic KX-FT57E Service Manual ▷ View online
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INTRODUCTION
KX-FT57E
C
WARNING
This service information is designed for experienced repair technicians only and is not designed for use by the general public.
It does not contain warnings or cautions to advise non-technical individuals of potential dangers in attempting to service a product.
Any attempt to service or repair the product or products dealt with in this service information by anyone else could result in serious
injury or death.
KX-FT57E
(for United Kingdom)
PERSONAL FACSIMILE
ORDER NO. KM79905280C2
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KX-FT57E
The serial number contents of 11 digits. The serial number may be found on the bottom of the unit.
TABLE OF CONTENTS
Page
INTRODUCTION
SAFETY PRECAUTIONS ....................................................................................................................................... 5
INSULATION RESISTANCE TEST ........................................................................................................................ 5
FOR SERVICE TECHNICIANS .............................................................................................................................. 5
BATTERY CAUTION .............................................................................................................................................. 6
FITTING CAUTION ................................................................................................................................................. 6
AC CAUTION .......................................................................................................................................................... 7
PERSONAL SAFETY PRECAUTIONS .................................................................................................................. 8
SPECIFICATIONS .................................................................................................................................................. 9
CCITT NO.1 TEST CHART .................................................................................................................................. 10
LOCATION OF CONTROLS ................................................................................................................................ 11
FEATURES ........................................................................................................................................................... 12
CONNECTION ...................................................................................................................................................... 13
INSTALLATION .............................................................................................................................................. 14~17
COMPONENT LOCATIONS ................................................................................................................................. 18
MAINTENANCE ITEMS .................................................................................................................................. 18, 19
CLEANING THE INSIDE OF THE UNIT ............................................................................................................... 20
TROUBLESHOOTING GUIDE
TROUBLESHOOTING SUMMARY ...................................................................................................................... 22
USER RECEIVERABLE ERRORS ....................................................................................................................... 23
TROUBLESHOOTING DETAILS ................................................................................................................... 24~91
PROGRAMMING AND LISTS ....................................................................................................................... 92~97
TEST FUNCTIONS ......................................................................................................................................... 98, 99
ADJUSTMENTS
TABLE OF TEST EQUIPMENTS AND TOOLS ................................................................................................ 101
ADJUSTING THE FEEDER PRESSURE ........................................................................................................... 101
CCD ADJUSTMENTS ............................................................................................................................... 102~104
DOCUMENT READ START POSITION ADJUSTMENT ............................................................................ 104, 105
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INTRODUCTION
KX-FT57E
DISASSEMBLY INSTRUCTIONS
DISASSEMBLY INSTRUCTIONS ............................................................................................................. 108~116
HOW TO REPLACE THE FLAT PACKAGE IC .................................................................................................. 117
CIRCUIT OPERATIONS
CONNECTION DIAGRAM .................................................................................................................................. 119
GENERAL BLOCK DIAGRAM ................................................................................................................... 120, 121
CONTROL SECTION ................................................................................................................................ 122~127
FACSIMILE SECTION ............................................................................................................................... 127~135
DIGITAL SPEAKER PHONE CIRCUIT .............................................................................................................. 136
MODEM SECTION .................................................................................................................................... 137~143
EXPLANATION OF ANALOG SECTION BLOCK DIAGRAM ..................................................................... 144, 145
NCU SECTION ........................................................................................................................................... 146~149
ANALOG GATE ARRAY ............................................................................................................................. 150, 151
OPERATION PANEL .......................................................................................................................................... 152
LCD COG TYPE ................................................................................................................................................. 153
POWER SUPPLY BOARD SWITCHING SECTION ................................................................................... 154~156
FOR THE SCHEMATIC DIAGRAMS .................................................................................................................. 157
PRINTED CIRCUIT BOARD (DIGITAL BOARD) ................................................................................................ 159, 160
SCHEMATIC DIAGRAM (DIGITAL CIRCUIT) ............................................................................................................. 161
SCHEMATIC DIAGRAM (ANALOG CIRCUIT) ............................................................................................................ 162
PRINTED CIRCUIT BOARD (ANALOG BOARD) ............................................................................................... 163, 164
SCHEMATIC DIAGRAM (CCD) ................................................................................................................................... 165
PRINTED CIRCUIT BOARD (CCD) ............................................................................................................................ 165
PRINTED CIRCUIT BOARD (SWITCHING POWER SUPPLY BOARD) .................................................................... 166
SCHEMATIC DIAGRAM (SWITCHING POWER SUPPLY CIRCUIT) ........................................................................ 167
PRINTED CIRCUIT BOARD (OPERATION PANEL BOARD) .................................................................................... 168
SCHEMATIC DIAGRAM (OPERATION PANEL CIRCUIT) ......................................................................................... 169
TERMINAL GUIDE OF IC'S TRANSISTOR AND DIODES ......................................................................................... 170
TOOLS ........................................................................................................................................................................ 171
CABINET, MECHANICAL AND ELECTRICAL PARTS LOCATION ................................................................... 172~177
ACCESSORIES AND PACKING MATERIALS ............................................................................................................ 178
REPLACEMENT PARTS LIST ........................................................................................................................... 179~189
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KX-FT57E
INTRODUCTION
Page
Safety Precautions ................................................................................... 5
Insulation Resistance Test ....................................................................... 5
For Service Technicians ........................................................................... 5
Battery Caution ......................................................................................... 6
Fitting a Plag to the Mains Lead ............................................................... 6
AC Caution ............................................................................................... 7
Personal Safety Precautions .................................................................... 8
Specifications ........................................................................................... 9
ITU-T Test Chart No. 1 ........................................................................... 10
Location of Controls ............................................................................... 11
Features ................................................................................................. 12
Connection ............................................................................................. 13
Installation ........................................................................................ 14~17
Component Locations ............................................................................ 18
Maintenance Items ........................................................................... 18, 19
Cleaning the Inside of the Unit ............................................................... 20