Epson FX 1170 Service Manual - Page 109

Measure the VP +35

Get Epson FX 1170 - B/W Dot-matrix Printer PDF manuals and user guides View all Epson FX 1170 manuals
Add to My Manuals
Save this manual to your list of manuals

Page 109 highlights

REV.-A Flowchart (1) abnormal operation at power on WARNING Do not touch the heat sink attached to the FET (Ql) when the printer is powered. If you touch the heat sink, you may suffer from electric shock. START Voltage range: 103.5-132 V Voltage range: 198-264 Use the correct AC input voltage. (No fluctuation from the recommended AC voltage range is permitted.) Replace the fuse and disconnect CN14 on the BOARD ASSY., No No v Measure the VP (+35 VDC) at pin 10, CN2 of the BOARD ASSY., C076 PSB/PSE. \ +Yes Measure the VL (+5 VDC) at pin 1, CN2 of the BOARD ASSY., C076 PSB/PSE. , No & END * 5-5 q END *

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • 47
  • 48
  • 49
  • 50
  • 51
  • 52
  • 53
  • 54
  • 55
  • 56
  • 57
  • 58
  • 59
  • 60
  • 61
  • 62
  • 63
  • 64
  • 65
  • 66
  • 67
  • 68
  • 69
  • 70
  • 71
  • 72
  • 73
  • 74
  • 75
  • 76
  • 77
  • 78
  • 79
  • 80
  • 81
  • 82
  • 83
  • 84
  • 85
  • 86
  • 87
  • 88
  • 89
  • 90
  • 91
  • 92
  • 93
  • 94
  • 95
  • 96
  • 97
  • 98
  • 99
  • 100
  • 101
  • 102
  • 103
  • 104
  • 105
  • 106
  • 107
  • 108
  • 109
  • 110
  • 111
  • 112
  • 113
  • 114
  • 115
  • 116
  • 117
  • 118
  • 119
  • 120
  • 121
  • 122
  • 123
  • 124
  • 125
  • 126
  • 127
  • 128
  • 129
  • 130
  • 131
  • 132
  • 133
  • 134
  • 135
  • 136
  • 137
  • 138
REV.-A
Flowchart (1) abnormal operation at power on
WARNING
Do not touch the heat sink attached to the FET
(Ql)
when the printer is powered.
If you touch the heat sink, you may suffer from electric shock.
START
Use the correct AC input voltage.
Voltage range: 103.5-132 V
Voltage range: 198-264
(No
fluctuation
from the
recommended AC voltage range
is permitted.)
Replace the fuse and disconnect
CN14 on the BOARD
ASSY.,
No
No
v
Measure the VP (+35
VDC)
at
pin 10,
CN2
of the BOARD
ASSY.,
C076
PSB/PSE.
\
+Yes
Measure the VL (+5
VDC)
at pin 1,
CN2
of the BOARD
ASSY.,
C076
PSB/PSE.
,
No
&
*
END
*
END
5-5