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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 . M, O4 p6 o1 W, V( p6 f& }: C/ I
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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。
" p, b* p3 {0 U: P# c1 O, |控制转速的IC, SONY CX-032各脚电压值如图1 o/ `, B! a5 |
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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 * E% j' w. U( I0 `  p
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有人走過相同的路了( B1 f) G6 M* r3 T
摘自   Obsolete Media - Forum6 b& R, O, C1 V" I; V+ {0 a

) m% G5 v3 N1 F/ ]+ `2 b7 u, \  `http://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025
4 A) E  ~$ O8 A9 _/ ]http://obsoletemedia.com/geeklog/forum/print.php?id=2025
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9 Y5 z' W. v0 c/ ?5 `Chip CX-032B for Sony TC-5581 L, p5 i: ?0 i8 t2 D+ K0 X8 S
Posted on: June 16 2008 @ 01:43 PM
* Z; e# W/ b6 p8 K3 q9 B% vBy: RODALCO
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3 p6 v2 ]8 N& R6 B6 r! hContent:
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$ v# H! N7 g& U3 N- y  OHi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.: c- o5 E( U, ?
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Luckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.
, L0 _9 Q- j$ ?- oA rare Sony turntable TTS 400 has the same chip used as well.% g9 Y( R6 V  |6 J

* t6 R8 x/ s) C* X2 E* cThe supllier on this link has the IC listed.
7 K7 {4 I, z! ~* m0 [; s1 n( whttp://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)  r1 }5 i& I7 U" f6 G
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The German Bandmaschinen Forum thread.
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$ Z/ t* W) i; s* z/ D9 k' Thttp://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)
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Gru�, Raymond
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/ M, ]% ?4 d: nChip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM 4 l4 T- x9 x' M! o* ]2 h
By: RODALCO 4 g; S$ `( c) D4 I

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' r' I; P6 E5 X1 O7 X+ i  ~<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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" Z  M/ |5 u$ w" T$ g9 P- {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.
. n% g: ?. }0 [& yThis will help all Sony R2R users in the near future as well as our machines age over time.
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Kind regards, Raymond
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7 E  j" m( _* F# m, @; Y9 b有沒有用零件做出等效的主軸控制還要進一步追蹤2 j# L" i& R4 R+ @2 a+ p

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零件追蹤
( B/ @) l$ z9 {7 I5 Bhttp://www.globalsemi.com/productdetails.aspx?itemno=875032100- `) h; s9 r1 }+ R5 P9 _; `, w" M
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: q# U) e! x% }, g  y
 楼主| 发表于 2012-1-4 12:59:13 | 显示全部楼层
谢谢!
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