The ervice manual for my 1982 Kenwood KR-1000 receiver is great! Full detail on all circuits with part number detail. I will definately be ordering more manuals for my other vintage equipment! Order was fulfilled quickly! Very efficient ordering process! Thnaks for your help! Great site!
Text excerpt from page 9 (click to view)
TROUBLESHOOTING
C-1. Bad playback quality (1)
Noise appears on the playback screen.
Is noise diminished by tracking adjustment. YES Noise band is trembled up and down? YES Is there CTL pulse at IC601 pin#97? YES
NO Re-adjust PATH.
NO
Noise appears on the screen even though changing tape.
YES Re-adjust PATH.
NO
Is the height of CTL HEAD normal? No dust?
NO
Re-adjust the height of AC HEAD. Remove the dust.
Check IC601.
Is there problem in CTL Input circuit and amplifier.