This was an excellent source of detailed assembly information on a device which is at least 12 years old. A very lucky find, coupled with great service.
Excellent Service Manual and best price on the Internet. This Service Manual covers everything you could ever need including full circuit schematics, component layout diagrams, stripdown procedure and full parts list/breakdown. I needed this to carry out a modification to one of these headunits and this manual covered everything I needed. Fast delivery, processed within a few hours.
Thought I would never find a copy of the Technics SX-EN2 Service Manual until I found Owner-Manuals.com. Price was very fair and I received the download promptly. While a photocopy, it is quite readable and includes all the pertinent information and diagrams. Thank you Owner-Manuals!
I really like this manual and it's reliable.I found and bought easly.thank you.
Text excerpt from page 26 (click to view)
10. TROUBLESHOOTING
1. Intermittent display START Y Is the Heat seal defective ? N Y Is the battery contact weak ? N Are there short circuit around the pins Y of the LSI (HC3000-08-F1) ? N Is the soldering weak ? Y N Replace the Z808-1 PCB ass'y. Replace Clean and adjust pressure of contact Resolder Resolder
2.
Erratic display START Is the Heat seal defective ? N Is the LCD defective ? Y Y Replace Replace Check or replace the chip capacitors C4 ~ C8 Y Resolder
N N Are the voltage V0 ~ V4 OK ? Y Are there short circuit around the pins of the LSI (HC3000-08-F1) or between the pins of the crystal oscillator (·2) ? N Are there short circuit around the pins of the RAM and ROM ? N Replace the Z808-1 PCB ass'y.
