After replacing Q705 and Q707 because one side didn't work, they both run too hot to touch. Any ideas why?
Announcement
Collapse
No announcement yet.
Sony TA-AX311 Stereo Amp
Collapse
X
-
Re: Sony TA-AX311 Stereo Amp
what are the voltages at bce ?
what did you replace them with ?
did you test all other transistors ?
r714 r715 good ?Last edited by petehall347; 03-20-2017, 04:03 PM.
-
Re: Sony TA-AX311 Stereo Amp
Did you check the Bias curent and the active bias control Q706?
Service manual:
Never stop learning
Basic LCD TV and Monitor troubleshooting guides.
http://www.badcaps.net/forum/showthr...956#post305956
Voltage Regulator (LDO) testing:
http://www.badcaps.net/forum/showthr...999#post300999
Inverter testing using old CFL:
http://www.badcaps.net/forum/showthr...er+testing+cfl
Tear down pictures : Hit the ">" Show Albums and stories" on the left side
http://s807.photobucket.com/user/budm/library/
TV Factory reset codes listing:
http://www.badcaps.net/forum/showthread.php?t=24809
Comment
Comment