Original well scanned manual. Got the job done. Microwave problem found & corrected. For $5 and a new magnitron from ebay, it was a cheap and good the first shot fix. Electrical schematics allowed me to mage sure every thing else was ok before cutting and order for parts. Hard to live without.
Text excerpt from page 74 (click to view)
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3 Cleaning the pickup lens
A
1 2 3 4
Remove the aluminum tape. Unhook the four hooks. Remove the front bezel. Remove the four screws.
7 8
Remove the two screws. Remove the clamper section.
Clamper section
4
Bottom view
41
Aluminum tape
B
7 4 2 2 4
8
7
C
3
Front bezel
2
2
9
D
Clean the pickup lens. Before shipment, be sure to clean the pickup lens, using the following cleaning materials: Cleaning liquid Cleaning paper : GEM1004 : GED-008