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Kenwood KA-1400G Restoration

Thanks for this forum! The service manual for the 1400G is not free-downloadable that I can find. I am going to use this thread as I assess and rehab my unit. Thanks again
 
Well, I am about to start a project on the same Integrated Amp. Going to start with the main caps in the power board and go from there. There is a hum in the right channel and low sound coming from the amp. Wish me luck. !cid_16E435DD-99E2-41DB-A2D2-7F428AAE2841.jpg!cid_BCAEB1E5-DF60-4FC3-9947-B5D0EC3304EF.jpg

I already straightened and painted the top grill.
!cid_52E083E7-3B92-405E-9D72-91B8C9F0AAC6.jpg
 
Sorry to reply on an old thread. Finally got around to restoring my KA1400B. All of my caps were wildly out just yours. Crazy how much these Rubycon caps have drifted.
Waiting on a couple values to put it back together.

They must have revised the Pre-Amp board at some point as the values in this unit matched what is shown on the schematic.
C122/121 @ 22uf
C120/119 @ 1uf

Screenshot 2026-09-11 153904.png
 
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