Table Of Contents; Safety Precautions - AmazonBasics S9N29R Service Manual

SAFETY PRECAUTIONS

This device is to be serviced only by properly qualified service personnel.
Consult this service manual for proper service procedures to ensure continued
safe operation and for precautions to be taken to avoid possible exposure to
excessive microwave energy.
PRECAUTIONS TO BE OBSERVED
BEFORE AND DURING SERVICING
TO AVOID POSSIBLE EXPOSURE TO
EXCESSIVE MICROWAVE ENERGY
a) Do not operate or allow the oven to be operated with the door open.
b) Make the following safety checks on all ovens to be serviced before
activating the magnetron or other microwave source, and make repairs
as necessary: (1) interlock operation, (2) proper door closing, (3) seal
and sealing surfaces (arcing, wear, and other damage), (4) damage to or
loosening of hinges and latches, (5) evidence of dropping or abuse.
c) Before turning on microwave power for any service test or inspection
within the microwave generating compartments, check the magnetron,
wave guide or transmission line, and cavity for proper alignment, integrity,
and connection.
d) Any defective or misadjusted components in the interlock, monitor, door
seal, and microwave generation and transmission systems shall be repaired,
replaced, or adjusted by procedures described in this manual before the
oven is released to the owner.
e) A microwave leakage check to verify compliance with the Federal
Performance Standard should be performed on each oven prior to release
to the owner.
SAFETY PRECAUTIONS
CAUTION ....................................................................................................
INSTALLATION .........................................................................................
SERVICE INFORMATION .......................................................................
CIRCUIT DESCRIPTION .........................................................................
TOOLS AND MEASURING INSTRUMENTS...................................
MICROWAVE LEAKAGE TEST ............................................................
DISASSEMBLY AND ADJUSTMENT..................................................
1. Outer case removal .............................................................................................. 4
2. Power supply cord ................................................................................................ 4
3. Control panel assembly ..................................................................................... 4
4. Door assembly removal ..................................................................................... 5
5. High-voltage transformer removal ............................................................... 5
6. Orifice assembly removal .................................................................................. 5
7. High-voltage capacitor and diode removal............................................... 5
8. Magnetron removal ............................................................................................. 5
9. Removing the turntable motor....................................................................... 5
10. PCB assembly removal ....................................................................................... 6
11. Interlock system .................................................................................................... 6
INTERLOCK CONTINUITY TEST ........................................................
1. Primary interlock switch test ........................................................................... 6
2. Secondary interlock switch test ..................................................................... 6
3. Monitor switch test .............................................................................................. 6
COMPONENT TEST PROCEDURE ....................................................
TROUBLESHOOTING ............................................................................
EXPLODED VIEW AND SPARE PARTS LIST .............................
WIRING DIAGRAM ...............................................................................
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