hifi engine

Service manual for S-VHS Hi-FI Videorecorder Panasonic NV-FS100F ???

Hello, I have the most complex version of the famous S-VHS Hi-Fi videorecorder Panasonic NV-FS100F - the model for france market - with all TV systems - PAL, Secam, NTSC ! After a full day of cleaning and soldering dry joints I saw that tuner section is DEAD! But this is not enough! Tuner channels don't apear on the video display and canot be changed!!! Can someone help Me with a service manual for panasonic NV-FS100 ?????