Hitachi CEP-321 TV image without fault repair method |
| Time£º2014-07-28 11:05:18 Source£ºNetwork Author£ºUnknown Clicks£º1337 |
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yB7service manual download site
yB7service manual download site
Substitute fuse, the whole bridge, supplemented by the novelty of high-frequency head, put integration, decoding integrated blocks of all damage, and audio integration block mu PCI382, scanning integrated block LA7801 also damaged, even supplemented high-frequency head band to make transformation of peripheral circuit of three diode triode connected to its total breakdown. yB7service manual download site
yB7service manual download site
Summary: cable television antenna can not attached directly to the hot plate high-frequency head! Must be cut off by capacitance is connected with high-frequency head. If need directly connected, isolation transformer power supply should be adopted.yB7service manual download site
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