Replacing The Printed Circuit Board "A - Janome DC3018 Service Manual

REPLACING PRINTED CIRCUIT BOARD A
TO REMOVE:
1. REMOVE THE FRONT COVER (SEE PAGE 9 ~ 10).
2. UNPLUG THE CONNECTORS FROM THE BOARD "A".
3. REMOVE THE 6 SCREWS AND REMOVE BOARD "A".
NOTE: TO DISCONNECT THE CONNECTORS:
1. GRASP THE CONNECTOR DIRECTLY WITH YOUR FINGERS AND PULL. DO NOT PULL ON THE LEAD
WIRE, AS THIS MAY DAMAGE THE CONTACT SLEEVE INSIDE THECONNECTOR.
2. WHEN DISCONNECTING THE MACHINE SOCKET AND POWER TRANSFORMER CONNECTORS, PULL
THEM WHILE PUSHING THEM TOWARD THE A BOARD TO UNLOCK THEM.
TO INSTALL:
4. TO INSTALL, FOLLOW THE ABOVE PROCEDURE IN REVERSE.
NOTE
WHEN INSTALLING BOARD "A" IN THE MACHINE.
THE TRANSFORMER WIRE SHOULD NOT PASS OVER THE CAPACITOR WHEN BOARD "A" IS
INSTALLED.
IF THE CORD IS RESTING ON THE CAPACITOR, IT MAY INTERFERE THE PATTERN SELECTOR
BUTTON AFTER THE FRONT COVER IS INSTALLED.
SLIDE VOLUME
CONNECTOR
SETSCREW
PRINTED CIRCUIT
BOARD "A"
SETSCREW
SETSCREW
PRINTED CIRCUIT
BOARD "F"
21
SETSCREW
SETSCREW
CAPACITOR
THE TRANSFORMER CORD
SHOULD NOT PASS OVER THE
CAPACITOR WHEN BOARD "A" IS
INSTALLED.
SETSCREW