Printed Circuit Board Diagram (Connector Layout) - JUKI TL-2010Q Service Manual

[4] PRINTED CIRCUIT BOARD DIAGRAM (CONNECTOR LAYOUT)

VR for speed
limiting
2
Controller
Controller
socket
Thread trimmer 2
CN11
socket
2
External thread
Bobbin winder SW
trimmer SW
Description
Terminal
Motor CN7
CN9
Power connecting
wire
Transformer CN8
secondary side
(AC 22V, 19.8V)
Lamp CN2
Bobbin winder SW CN1
MP detection circuit CN6
board
Thread trimmer SW CN3
circuit board
(Caution) 1. CN Nos. in frame of MAIN circuit board denote connector Nos. in MAIN circuit board.
2. Portions enclosed with thick lines denote circuit boards.
3. Numerals outside of frame of MAIN circuit board denote number of lead wires.
Thread trimmer
solenoid
2
3
Thread trimmer
SW circuit board
3
MP detection
circuit board
MAIN circuit board
Cord color
Pin
1 Blue
3 Brown
5 Black
1 Blue
2 Brown
1 Yellow
2 Yellow
3 Red
4 Red
1 Gray
2 Gray
1 Purple
2
3 Gray
1 Black
2
3 Red
1 Orange
2
3 Brown
(MAIN circuit board)
CN4 CN10
CN6
CN2
CN3
CN5
CN8
Lamp
2 2
3
CN2
CN4
CN5
MAIN
CN3
circuit board
CN1
CN6 CN7 CN8
3
3
4
Motor
Description
Controller socket
Thread trimmer
solenoid
VR for speed limiting
Description
Transformer Primary
side (AC 120V)
Power connecting
-
wire
Power input
(AC 120V)
-
Description
-
External thread
trimmer socket
CN1
15
– –
Lamp SW
Power SW
2
CN23
2
FILTER
CN22
CN9
circuit board
CN21
2
(AC 22V),
AC120V
(AC19.8V)
Transformer
MAIN circuit board
Terminal Pin
CN5 1
2
CN4 1
2
CN10 1
2
3
FILTER circuit board
Terminal Pin
CN21 1
2
CN22 1
2
CN23 1
2
Thread trimmer SW circuit board
Terminal Pin
CN11 1
2
CN7
CN9
AC120V
Plug socket
Cord color
Yellow
White
Blue
Blue
Red
Yellow
Black
Cord color
White
Blue
Brown
Blue
Blue
Yellow
Cord color
Black
Brown