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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 ! S  W' ]# {% Y' h- F' {  y' w9 o
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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。6 Y6 a3 {$ |0 h0 Z
控制转速的IC, SONY CX-032各脚电压值如图
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$ ]' m% D" x) T- T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
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有人走過相同的路了( ^6 i4 r! I/ V8 e& t
摘自   Obsolete Media - Forum6 k' k' f" x. Z3 _1 j) Z1 G. G

) F+ R5 z, L$ ?! r- }/ [7 thttp://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025 / e- E* I% K' P9 o+ s' c6 H0 i  y
http://obsoletemedia.com/geeklog/forum/print.php?id=2025
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* l7 \9 m+ q. k# Y8 p$ I$ PChip CX-032B for Sony TC-558" L/ ]$ V' U% `$ y; }0 S2 j) H2 @
Posted on: June 16 2008 @ 01:43 PM
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, `# e, Q9 J% I# }, _1 n8 @Hi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.
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  d8 f( n4 i2 B" \Luckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip., v0 y( e" F+ r" e" }0 ?+ l0 G/ z
A 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.
* r/ k7 j" T" E) D# P! _http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料). P9 Y* J4 g- c& A# ~- O2 k1 a7 m
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The German Bandmaschinen Forum thread.* j6 H1 ]2 n7 \; h* v* J
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http://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)
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Gru�, Raymond) E1 H& f& N1 F' N; c/ f* |4 O
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Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM * e# T- j: I9 Z, E. e- E% u
By: RODALCO + K4 R1 a" X8 |

' Y" d1 g2 Y' J- K: F# u1 H3 gContent:
7 o! m* e  l+ |$ ]! p2 S<b>visitorj</b>, can you make a photo of the IC and the board please ? and the schema if you have it?
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4 ]$ Y6 \% o. t( V/ P3 L5 L4 F# WI 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.
  [& @5 N) y; o3 b6 r, f$ s- e1 uThis will help all Sony R2R users in the near future as well as our machines age over time.. [0 L# [" z2 q

- N8 `2 J, p7 e+ _* cKind regards, Raymond' E) [, M( [7 H' e" ^5 b6 p

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6 v* ~* e  x! `6 u- K有沒有用零件做出等效的主軸控制還要進一步追蹤( C" C( R9 F1 i+ p3 k  O

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零件追蹤) v. z1 Q9 c! m# P9 S
http://www.globalsemi.com/productdetails.aspx?itemno=875032100
. ^2 [0 v  N, h. W6 {/ }& C9 D39.99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6 r" A4 `/ G0 p- h3 U: h2 i% n: P
 楼主| 发表于 2012-1-4 12:59:13 | 显示全部楼层
谢谢!
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