Technics SL1200 SL1210 Power Regulation Repair Kit
Various problems can be cured by fitting this kit such as no power, pulsing lights / LED's, erratic or no rotation of platter.
Assuming the fuse(s) and bridge rectifier has been checked, please follow below instructions
1x 2SD1265 Transistor (Q1) Voltage regulator
2x 2SD637 (Q2, Q3) Power Protection Circuit, no power
1x MA1051M Diode (D3) Normally causes dipping drive and strobe light
1x 2SC1846 Voltage regulator (Q201) No power or strobe
We can't guarantee this kit will cure your specific problem but it is a good place to start.
Not all parts maybe faulty, however, we recommend you change all the parts supplied to prevent further failure of individual components.
All the above parts are Manufacturer Original and upgraded for improved reliability. This kit is not designed by Panasonic/Technics. Kit designed by sparedparts.com.