53
[Display circuit board]
[Switch circuit board and slide VR (variable resistor) circuit board]
(To CN1 on the microcomputer circuit board)
No
1
2
3
4
5
6
7
8
9
10
11
12
13
14
Wire color
BROWN
ORANGE
BLACK
YELLOW
WHITE
GRAY
PURPLE
BLUE
RED
BROWN
BLACK
RED
BLACK
WHITE
Point of end
CN1-1
CN1-2
CN1-3
CN1-4
CN1-5
CN1-6
CN1-7
CN1-8
CN1-9
CN1-10
CN1-11
CN1-12
CN1-13
CN1-14
Remarks
S/S
SLED1
GND
SLED2
REV (reverse)
STRBO (common wire)
HARF
TRM (thread trimming)
3.3V
SLVOL (slide VR)
GND
5V
GND
VOUT (with/without bobbin thread)
(To the microcomputer circuit board)
(To the microcomputer
citcuit board)
CN24
CN102
CN101
Summary of Contents for E9020
Page 1: ...E9020 SERVICE MANUAL...