IV –
29
1.18 Main PCB, NCU PCB and Power Supply PCB
If you have already removed the scanner frame ASSY and speaker, slightly lift up the main
PCB together with the NCU PCB and then disconnect the power supply harness from the
main PCB. If the scanner frame ASSY and speaker are not yet removed, follow the steps
below:
FAX-170/190/510/HOME FAX
(1)
Slightly lift up the rear edge of the NCU PCB and disconnect it from the main PCB.
(2)
Slightly lift up the rear edge of the main PCB and disconnect the following harnesses
from the main PCB:
• Main-panel harness (5-pin)
• Cutter home position (HP) sensor harness (2-pin)
• CIS harness (7-pin)
• Recording head harness (12-pin)
• Solenoid harness (2-pin)
• Motor harness (6-pin)
• Speaker harness (2-pin)
• Power supply harness (6-pin)
(3)
Lift up the power supply PCB.
SW3
P1
PH1
PH2
P10
P4
P8
SW1
P12
P7
P2
P6
P3
SW2
Power supply PCB
NCU PCB
Power supply harness
Main PCB
Main frame
(placed upside down)
NCU connector
Main-panel harness (5-pin)
Solenoid harness (2-pin)
Power supply harness (6-pin)
Motor harness (6-pin)
Cutter HP sensor harness (2-pin)
CIS harness (7-pin)
Recording head harness
(12-pin)
Speaker harness (2-pin)
(Front)
Main PCB
(Rear edge)
Summary of Contents for FAX-270MC
Page 4: ...CHAPTER I GENERAL DESCRIPTION ...
Page 11: ...CHAPTER II INSTALLATION ...
Page 12: ...CHAPTER III THEORY OF OPERATION ...
Page 49: ...CHAPTER IV DISASSEMBLY REASSEMBLY AND LUBRICATION ...
Page 86: ...IV 36 4 Cutter unit Cutter unit A A A A ...
Page 87: ...CHAPTER V MAINTENANCE MODE ...
Page 140: ...CHAPTER VI ERROR INDICATION AND TROUBLESHOOTING ...
Page 157: ...March 98 5X1S112 Printed in Japan ...
Page 173: ...D POWER SUPPLY 100 120 V U S A CANADA ...
Page 174: ...POWER SUPPLY 200 240 V EUROPE SOUTH AMERICA D ...
Page 175: ...POWER SUPPLY 200 240 V GULF ASIA CHINA D ...
Page 192: ...D POWER SUPPLY 100 120 V U S A CANADA ...
Page 193: ...POWER SUPPLY 200 240 V EUROPE SOUTH AMERICA D ...
Page 194: ...POWER SUPPLY 200 240 V GULF ASIA CHINA D ...
Page 195: ...FACSIMILE EQUIPMENT PARTS REFERENCE LIST MODEL FAX170 190 190 Plus 195 ...
Page 198: ......
Page 203: ......
Page 206: ...Remarks 8 8 8 8 8 8 9 9 8 8 8 8 8 8 0 1 0 1 Brother Technical Information FAX98250 4 ...
Page 208: ... 8 01 8 01 8 8 8 8 0 1 0 1 8 8 8 8 Brother Technical Information FAX99102 6 ...
Page 220: ......