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3.
ELECTRONIC PARTS ARRANGEMENT CHART
NP (needle position) PC board switch
PF (Presser foot)
switch
SS (start/stop)
PC board
ZPM
(zigzag pulse motor)
BH
(buttonhole) switch
BHL
(buttonhole lever)
switch
WB light
(Lamp)
VR PC
board
Power supply unit
Main PC
board
Inlet assembly
FC
(foot controller
jack)
Power supply
switch
FPM
(feed pulse motor)
Operation
panel
Operation PC
board
BW (bobbin winder) switch
Summary of Contents for BL7800
Page 1: ...4 2001...
Page 4: ...2 1 MECHANICAL CHART...
Page 9: ...7 1 DISASSEMBLING AND REASSEMBLING THE OUTER PARTS AND MAIN PARTS 8 2 LEAD WIRE ARRANGEMENT 19...
Page 15: ...13...
Page 17: ...15...
Page 19: ...17...
Page 21: ...19 2 LEAD WIRE ARRANGEMENT...
Page 43: ...41 Main PC board...
Page 44: ...42 Power supply unit Power 120 Power 230...
Page 45: ...43 Operation board Other PC boards...
Page 46: ...BL7800 T1010141...