Brother ST-1150 (Heavy Duty Labeler) Panduan Servis - Halaman 7
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Halaman Cetak
CHAPTER III ELECTRONICS ........................................................................... III-1
3.1
3.1.1
3.1.2
3.1.3
3.1.4
3.1.5
3.2
3.2.1
3.2.2
3.2.3
3.2.4
3.2.5
3.2.6
3.2.7
3.2.8
3.2.9
3.2.10 Cassette Sensor Circuit .................................................................................. III-15
fineline6
OVERVIEW .......................................................................................................... III-1
Configuration of the Electronic Part ................................................................ III-1
Main PCB....................................................................................................... III-1
Sub PCB ........................................................................................................ III-1
Motor.............................................................................................................. III-1
Thermal Head ................................................................................................ III-1
MAIN PCB............................................................................................................. III-2
Main PCB Block Diagram ............................................................................... III-2
CPU and LCD Driver ...................................................................................... III-3
Key Contacts Matrix ....................................................................................... III-4
[ 1 ]
Key contacts matrix ..................................................................................... III-4
[ 2 ]
Solder points ............................................................................................... III-5
[ 3 ]
Jog Dial (Only for PT-1250/1160) ................................................................ III-6
On/Off Key/Reset Circuit and Power Saving Circuit........................................ III-7
[ 1 ]
Power On/Off circuit .................................................................................... III-7
[ 2 ]
Power saving circuit .................................................................................... III-8
Motor Control Circuit ...................................................................................... III-9
Thermal Head Drive Circuit ............................................................................ III-10
Voltage Detection Circuit and Temperature Sensor circuit .............................. III-11
[ 1 ]
Voltage detection circuit .............................................................................. III-11
[ 2 ]
Ambient temperature sensor circuit ............................................................. III-12
Oscillation Circuit ........................................................................................... III-13
Power Supply Circuit ...................................................................................... III-14
CONTENTS