36V电动车充电器烧坏，更换开关管、uc3842、0.8欧电阻后，输出无电压 电动车充电器UC3842，7脚电压为13v。8脚无电压是什么...

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\u6269\u5c55\u8d44\u6599

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2\u3001\u5145\u7535\u65f6\u95f4
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查起动电阻150k是否坏了，3842A..3842B差不多

看看主电容有电压吗？

3842坏

36V鐢靛姩杞﹀厖鐢靛櫒鐑у潖,鏇存崲寮鍏崇銆乽c3842銆0.8娆х數闃诲悗,杈撳嚭鏃犵數鍘
绛旓細鏌ヨ捣鍔ㄧ數闃150k鏄惁鍧忎簡锛3842A..3842B宸笉澶

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鎴戞湁涓涓36v鐨鐢靛姩杞﹀厖鐢靛櫒,鍥犱负姝ｈ礋鏋佹帴鍙嶄簡鑰鐑у潖浜?,璇烽棶涓鑸槸浠 ...
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36V鐢靛姩杞﹀厖鐢靛櫒鐨勪繚闄╀笣鐑т簡(250V2A),鎴戦棬杩欓噷娌″崠鐨,鎴戞兂鎹㈢數瑙嗘満涓...
绛旓細鍙互銆傛渶濂芥妸閲岃竟鐨勪笣鎷夌洿銆傜敤鐢电儥閾佺剨寮涓澶.鎷夌洿涔嬪悗鍐嶇剨涓娿

鐢靛姩杞﹀厖鐢靛櫒鍙戠儹鐑у潖鐢垫睜鎬庝箞淇?
绛旓細濡傛灉浠ヤ笂鏁呴殰鍧囨帓闄わ紝鑰冭檻涓涓嬪厖鐢靛櫒杈撳嚭绾挎槸鍚﹀紑璺紝鍙敤涓囩敤琛ㄧ數鍘嬫尅锛200V鎸★級娴嬮噺涓涓嬪厖鐢靛櫒鐨勭┖杞借緭鍑虹數鍘嬶紝搴斾负41-44V锛堥厤36V鐢垫睜鍥犲厖鐢靛櫒涓嶅悓鏈夋墍涓嶅悓锛夛紝濡傛病鏈夌殑璇濓紝鍙兘鏄厖鐢靛櫒杈撳嚭绾垮紑璺紝骞跺皢鍏呯數鍣ㄦ墦寮锛屾崲涓鏍硅緭鍑虹嚎锛屽嵆鍙帓闄ゆ晠闅溿傛敞鎰忥細鍦鏇存崲鍏呯數鍣杈撳嚭绾挎椂锛屼竴瀹氳娉ㄦ剰鍘熸満鐨...

鐢靛姩杞﹀厖鐢靛櫒36V缁翠慨
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涓嶅皬蹇冩妸48V鐢靛姩杞﹀厖鐢靛櫒鎻掑叆36V鐢靛姩杞,缁撴灉鎶48V鐢靛姩杞﹀厖鐢靛櫒鎼炲潖...
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36V鐢靛姩杞﹀厖鐢靛櫒 鎸囩ず鐏笉浜
绛旓細8N60锛屼互鍙3842锛3842 7鑴15V宸﹀彸鐨勪緵鐢垫槸鍚︽甯革紝8鑴5V杈撳嚭鏄惁姝ｅ父锛6鑴氭湁鏃犺剦鍐茶緭鍑猴紝濡傛灉婊¤冻涓婅堪3鐩稿彲鍩烘湰鍒ゆ柇3842鏄ソ鐨勩傚満鏁堝簲绠8N60鐨勫ソ鍧忓氨涓嶅湪鍙欒堪浜嗭紝閫氬父閫氳繃涓婅堪绠鍗曠殑妫鏌ュ父瑙勭殑鏁呴殰灏卞彲浠ユ帓闄ゃ傚閬囧埌杩涙按鐑ф瘉鐨鍏呯數鍣紝涓嶅缓璁淮淇紝鏁呴殰鑼冨洿澶э紝缁翠慨闅惧害澶э紝鑰冭檻鎹㈡柊銆

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鐢靛姩杞﹀厖鐢靛櫒杈撳嚭鐢靛帇浣庛36V銆戝悓鏃跺厖鐢垫寚绀虹伅涔熶笉浜
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