The Technics manual was very clear and I was able to solve my technical problems.
I did not think that anyone kept these manuals and was pleasantly surprised to find them on the Internet and at an affordable price.
I would recommend Owner Manuals as a first source of technical products for ‘dated’ equipment manuals.
Ian
The content of the manual was not found on the Internet and was a hard find. I check the net for 5 hours until I came across this web-site. When I did find the book it Auto loaded into my IPAD PDF shelf for books for review at anytime. Overall I am satisfied with the book and it answered all my questions. This repair book is obsolete because the product I bout it for is pretty old. Thanks for the help with the download and even having the manual. Thanks 73's K5HRD
Excellent manual including schematics. The service was great and the manual helped complete the job.
Text excerpt from page 6 (click to view)
SERVICE MODE -2/2
4. ON/OFF laser change The ON/OFF of the laser is changed to the degree which pushes the PLAY MODE key in STOP state or during Err indicating.
Fig.5 LCD indication in stop
5. Thread Sending Operation of Pickup By the fact that it continues to push the FWD/RVS SKIP key in STOP state or during Err indicating the pickup it operates to the inside and outside lap. FWD SKIP key: Peripheral direction RVS SKIP key: Inside perimeter direction 6. Focusing search mode TOC read after the completing, length pushes the DSL key in STOP state. Focus search operation is 1 time and observation of a S character waveform is possible for it with an oscilloscope (IC501 23pin). The servo gain change of the CD-DA/R and the CD-RW is effective. As for LCD indicatory value there is no stipulation at such as amplitude value.
Fig.6 LCD indication at time of focusing search mode
7. CD-DA/R and CD-RW servo gain change At the time of TEST MODE starting, the servo gain of CD-DA/R. TOC read after the completing, change is possible in the degree which pushes the DSL key in STOP state. (Fig.7 reference)
Fig.7-1 CD DA/R
Fig.7-2 CD-RW
8. Tracking / thread servo ON/OFF change The ON/OFF it can point to tracking / thread servo to the degree which pushes the ENTER key in the PLAY.