| Author |
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| ranilvigilia |
 Posted: Mon Sep 06, 2010 9:11 am Post subject: |
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jts1957,
i solve the problem. it was a capacitor at the deffirential amplifier. capacitor get leakage. ( c323 / 47uf/16v ) at SBR channel.
thanks bro for giving me the site of service manual.
more power to you and god bless.
ranil  |
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| jts1957 |
| Posted: Sat Aug 28, 2010 1:37 pm Post subject: |
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| Measure the same points in both channels until cause is pinpointed. Could be a driver transistor or even a bad resistor. |
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| Guest |
| Posted: Sat Aug 28, 2010 6:23 am Post subject: |
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hi jts1957
i have just found one of the channel showing with -4 to -6volt output voltage. sopuse to be zero. changed output transistor still the same. |
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| jts1957 |
| Posted: Mon Aug 23, 2010 9:32 pm Post subject: |
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| Power may measure O.K. at the source but may not be reaching the final destinations. |
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| ranilvigilia |
| Posted: Mon Aug 23, 2010 8:43 pm Post subject: |
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| all power transitor ok, all power supply meseured ok, no sign of shorted or burn,all fuses ok, my problem is, when put power on the display will come on and sudenly it will power off with in 1-3 second. and the speaker relay not yet get on. |
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| jts1957 |
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| ranilvigilia |
| Posted: Sat Aug 21, 2010 9:35 am Post subject: |
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| impedance selector switc seems ok. c405, c406, c411 was change still the same. any body can help me pls. |
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| ranilvigilia |
| Posted: Sat Aug 21, 2010 9:30 am Post subject: RX-V650 Yamaha AV Reciever |
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| i have this av reciever Yamaha RX-V650 cant stay power on. it can power on 2-3 second then turn it off by itself. |
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