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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 * H3 N/ A5 U% D/ J1 P$ t
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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 Q1 W; d& _6 I" ^/ O控制转速的IC, SONY CX-032各脚电压值如图
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3 D2 b* a. n+ R6 C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 o- B# h. J3 p3 h9 [7 X: ]
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有人走過相同的路了. @+ H3 M. Z0 h: m
摘自   Obsolete Media - Forum4 W7 Z' v! m% Z2 o
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http://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025 4 n5 Z& c/ N  R. G$ n! p
http://obsoletemedia.com/geeklog/forum/print.php?id=2025
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Chip CX-032B for Sony TC-558: x' [; p& H6 C3 {: \' _
Posted on: June 16 2008 @ 01:43 PM
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Hi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.% Z7 b0 [( J# ~0 K

' b; B& z8 }* A5 ~& @Luckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip." q8 E/ ?) g$ U4 T6 ?- g/ k+ g4 L
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.2 @" V6 T2 @* k9 I1 |/ W' l
http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料); M  l' w4 Y6 F4 f6 |" w; D) s

9 W; u; U. M( L4 l6 f- EThe German Bandmaschinen Forum thread.
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http://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)
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: R5 O1 T$ Z2 I- }" Q% TGru�, Raymond- T: J: W1 \5 m
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Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM
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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?
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. y: s( j# r$ O& k  k- W8 e7 pI 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.
* @& V# x( p& g' B2 q+ L7 `3 j5 zThis will help all Sony R2R users in the near future as well as our machines age over time.  ^9 @! r  A9 r3 L' C- m

: z$ D, j. {5 v8 u0 K9 q4 HKind 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
& t4 C" n. p$ ~8 Ihttp://www.globalsemi.com/productdetails.aspx?itemno=875032100
1 _. E9 x  G/ `: q1 ]& m39.99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$ m+ W* ?5 U, S0 A* |
 楼主| 发表于 2012-1-4 12:59:13 | 显示全部楼层
谢谢!
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