DC offset and bias are good however speaker relay has been engaging then disengaging a few times then not at all. I have a solid constant 60 volts coming in and -2 on pin 2. I desoldered base of q7 relay then engages. Went ahead and replaced q5 and q6 all soldered in but relay will not engage. Any help troubleshooting is appreciated. I do have a DBT in circuit running dim, thanks