This document is just what I was looking for, it´s very useful, it contains adjustment procedures for the final stage of the power amp and also
has a complete wiring diagram and description of the main semiconductors used in the design.
Dear Sirs,
Thank you for the fast support, the manual does provide all necessary information to repair the radio. All schematics are in a good quality for reading.
The manual fits 100% to my requirements as a technican.
Kind regards Thomas
the big video recorder format s-vhs many features delicate in loading system of the cassette. Such machines are no longer manufactured, it would be too expensive.
Text excerpt from page 14 (click to view)
(TROUBLE 2) Oven does not at all even thought MOTOR and P.C.B program.
CONDITION CAUSE TEST PROCEDURE OR CORRECTION
No input can be programmed.
Defective tact switch key of P.C.B.
Test procedure tact switch key of P.C.B.
Some inputs can not be programmed.
Loose connection.
Connect them tightly.
Display shows a number or figure different from one touched.
Incorrect touch key.
Touch key again after closing.
Random programming when pressing other than touch keys.
Display fixes some figure and can not accept any input.
Set time does not count down when touched START.
Defective secondary switch or out of adjustment
Test procedure secondary switch.
Defective tact switch key of P.C.B.
Test procedure tact switch key of P.C.B.
Loose connection.
Test tact switch key of P.C.B.
H.M.MOTOR not operating.
¥ Loose PCB connector No. CN6 and H.M.M S/W1, S/W2 ¥ Loose Gear of H.M.MOTOR
¥ To Fasten PCB CN6. ¥ To check H.M.MOTOR S/W1, S/W2 ¥ To Adjust Gear of H.M.MOTOR
