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求助:主马达不转

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发表于 2012-1-3 12:57:46 | 显示全部楼层 |阅读模式

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本帖最后由 大头猪 于 2012-1-3 21:39 编辑 - O& @  Y9 @2 @3 q, F

- C4 x6 o1 {( \  R新年捡了部SONY TC-580,遗憾的是主马达不转,经检测怀疑是转速控制电路故障。如如图加一个电阻,主马达会转,改变阻值便可改变马达转速,但转速很不稳。8 E: ~1 [4 w3 V5 N! H
控制转速的IC, SONY CX-032各脚电压值如图
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是IC坏了还是其它问题?如坏了,求着IC一块。谢谢!
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发表于 2012-1-4 12:40:17 | 显示全部楼层
本帖最后由 yjwu 于 2012-1-4 12:57 编辑 9 J7 ], Y$ }! c3 M4 M2 m2 B% x/ y
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有人走過相同的路了
( W) V$ }% T: v6 x: v摘自   Obsolete Media - Forum" q  }- l- e( ~* y$ Y
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http://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025 7 r, d  q" U' x; F7 v
http://obsoletemedia.com/geeklog/forum/print.php?id=2025
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Chip CX-032B for Sony TC-558  c) u* C3 @% P* v
Posted on: June 16 2008 @ 01:43 PM ! u* ~9 u3 B, v4 q; O5 F
By: RODALCO
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Hi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.
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; Y+ c2 N- Y1 {1 V- zLuckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.
3 h- ?5 {$ `% C0 d! uA rare Sony turntable TTS 400 has the same chip used as well.
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The supllier on this link has the IC listed.0 ~& _- _% l) C2 ?. j. y0 A* Y+ ]
http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)
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, o5 V& x4 c4 G- AThe German Bandmaschinen Forum thread.9 A  Y9 k9 O- i

, I# U" V. F+ n% L- }3 @http://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)5 q5 _; {% W( V2 w" Q& S* i+ p; _
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Gru�, Raymond
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Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM * C% v4 k$ g" ]" x4 v" H: w* g
By: RODALCO
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<b>visitorj</b>, can you make a photo of the IC and the board please ? and the schema if you have it?# f8 H+ @* S. P8 `% B7 P
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I got some of my Dutch R2R friends to have a look at it as well and with a bit of luck they can design a circuit with disrete components.
, e0 X9 N3 T9 }( CThis will help all Sony R2R users in the near future as well as our machines age over time.( P& h* K, [9 K  f/ v9 L: N; E% E

% |/ K8 E2 D/ z- q; PKind regards, Raymond
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有沒有用零件做出等效的主軸控制還要進一步追蹤
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零件追蹤
% e+ s! E, v  c( |http://www.globalsemi.com/productdetails.aspx?itemno=875032100
% Q3 v, J: ^) o+ P2 F2 |. {39.99美元 似無存貨 必須從其他舊機器拆 不過可能也是相同的毛病    -->  設計的弱點5 M+ u" ^/ |5 l# j8 H5 ~
 楼主| 发表于 2012-1-4 12:59:13 | 显示全部楼层
谢谢!
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