Forum: Troubleshooting Audio Equipment
08-12-2022, 10:47 AM
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Replies: 2
Views: 70
Re: AU101 Sansui amp schematic please
Schematic really poor quality ,but managed to reverse engineer circuitry .
TR701 , 2SC871 breaking down under load .
Replaced with 2SC1345 , which i had to fit reversed due to pin configuration...
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Forum: Troubleshooting Audio Equipment
08-12-2022, 06:01 AM
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Replies: 2
Views: 70
AU101 Sansui amp schematic please
Hi all
Right channel works but a touch noisy .
Left channel no audio .
Proved issue is on the control pre-amp board , by injection an audio signal directly into the audio output / drive board
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Forum: Troubleshooting Audio Equipment
08-09-2022, 06:20 AM
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Replies: 1
Views: 48
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Forum: Troubleshooting Audio Equipment
08-09-2022, 05:15 AM
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Replies: 1
Views: 48
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Forum: Troubleshooting TVs and Video Sources
08-06-2022, 06:43 AM
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Replies: 8
Views: 176
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Forum: Troubleshooting TVs and Video Sources
08-05-2022, 07:20 AM
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Replies: 9
Views: 282
Re: Connect40 Loewe TV manual / advice please
Hi yes , Loewe have to be different .
Set also seemed to be shutting down by itself, but to be fair i had been running it without heat sinks on LVDS & CPU chips , albeit with a fan pointed at them...
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Forum: Troubleshooting TVs and Video Sources
08-05-2022, 05:24 AM
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Replies: 8
Views: 176
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Forum: Troubleshooting TVs and Video Sources
08-05-2022, 04:12 AM
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Replies: 9
Views: 282
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Forum: Troubleshooting TVs and Video Sources
08-05-2022, 03:34 AM
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Replies: 8
Views: 176
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Forum: Troubleshooting TVs and Video Sources
08-05-2022, 03:21 AM
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Replies: 8
Views: 176
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Forum: Troubleshooting Audio Equipment
08-03-2022, 06:04 AM
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Replies: 3
Views: 73
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Forum: Troubleshooting Audio Equipment
08-03-2022, 04:53 AM
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Replies: 3
Views: 73
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Forum: Troubleshooting Audio Equipment
08-03-2022, 03:43 AM
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Replies: 3
Views: 73
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Forum: Troubleshooting Audio Equipment
07-26-2022, 03:22 AM
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Replies: 8
Views: 267
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Forum: Troubleshooting Audio Equipment
07-25-2022, 10:26 AM
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Replies: 8
Views: 267
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Forum: Troubleshooting TVs and Video Sources
07-23-2022, 06:24 AM
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Replies: 9
Views: 282
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Forum: Troubleshooting TVs and Video Sources
07-22-2022, 10:21 AM
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Replies: 9
Views: 282
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Forum: Troubleshooting TVs and Video Sources
07-22-2022, 08:34 AM
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Replies: 9
Views: 282
Re: Connect40 Loewe TV manual / advice please
Turn of event it seems .
Allowed the board cool down fully , as it had been sitting on pre-heater , then powered again .
To my delight set powered ,with half picture good & the other noise .
...
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Forum: Troubleshooting TVs and Video Sources
07-22-2022, 07:20 AM
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Replies: 9
Views: 282
Re: Connect40 Loewe TV manual / advice please
On lifting the main board , suspect i have discovered the issue .
There's quite a chunky silicon thermal pad the sits between the chassi & underside of BGA CPU chip .
Pad had leaked out quite...
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Forum: Troubleshooting TVs and Video Sources
07-22-2022, 06:32 AM
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Replies: 9
Views: 282
Connect40 Loewe TV manual / advice please
Hi all
This set seems to power up , with LED at front changing to GREEN , but no picture , or backlight , plus cannot set TV back to standby .
Suspecting main board issue .
Powered the...
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Forum: Troubleshooting Audio Equipment
07-19-2022, 11:06 AM
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Replies: 8
Views: 488
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Forum: Troubleshooting TVs and Video Sources
07-19-2022, 11:05 AM
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Replies: 2
Views: 131
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Forum: Troubleshooting Audio Equipment
07-19-2022, 08:38 AM
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Replies: 8
Views: 488
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Forum: Troubleshooting Audio Equipment
07-19-2022, 07:39 AM
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Replies: 8
Views: 488
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