STRV4 Repair Tips




Search: STRV4
Results 5
MakeModel Ch.SymptomProblem SolutionSolutionBy:
SonySTRV45
NO AUDIO OUTPUT No audio output. Had audio to relay but relay was notengaging.
SonySTRV45
DEFECTIVE Q310 Hum comes and goes.
SonySTRV45
POOR GROUNDING A lot of these units were coming in for intermittent shut-down. A very common cause was poor grounding (see diagram). The bestway of checking this was to use a digital meter on the 2V range. If thereis a problem the meter usually head 0.62V or more.
SonySTRV45
DEFECTIVE C412 Tuning incorrect - AM station at 920 kHz, tuned in at1600 kHz. No local on 1600 kHz. FM tuning out of band and picking upmicroprocessor RFI.
SonySTRV4
DIFFERENT TRANSISTOR USED Transistor 2SD666A is used in the unit. However, the partsdescription has it listed as 2SC1811. A further check with the transistorsubstitution book did not verify that one is a substitute of the other.