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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
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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。3 C7 v# {& F+ R% N" s8 R' W
控制转速的IC, SONY CX-032各脚电压值如图
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) [! B# s5 I( T7 Q7 L" @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 3 {" [7 k7 R* t4 x
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有人走過相同的路了
" x. q4 o. |& D6 [! G7 t  S摘自   Obsolete Media - Forum4 N9 h+ a2 [, i* }- b, U1 V

+ F  j& v- b( G6 P! {$ a8 Zhttp://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025 / ~- E2 {+ C6 l8 q
http://obsoletemedia.com/geeklog/forum/print.php?id=2025% g9 k) N) T$ c  R, w
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Chip CX-032B for Sony TC-5587 a) f% b  ~0 H4 J: |% _% M/ i! c
Posted on: June 16 2008 @ 01:43 PM ! ?; K- d2 |3 W- C' D7 ]: E. J  N) f
By: RODALCO * g) f8 ?1 N& K5 x- E& a' X
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Content: ! _$ E0 M2 G# A

8 f! d# A: V3 ~. P# H% lHi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.& v  k* j6 c6 k; v
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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.6 x0 e7 k0 @# u: e, f6 J! k
A rare Sony turntable TTS 400 has the same chip used as well.2 c/ `5 L! A5 q; Z& r
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The supllier on this link has the IC listed., k+ t- c& o+ G# F9 S4 d8 j- w: f
http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)9 f6 H/ a' P% U8 m* H3 A
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The German Bandmaschinen Forum thread.
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http://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)7 W( j. T) O+ a: a
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Gru�, Raymond  Y  h$ K- n; e. F9 g) r+ p

( {) p8 C0 B" s' x& }7 D% e! @1 CChip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM + P, S. F! }" ?& i8 z0 C0 J
By: RODALCO : X/ F  [& e. @5 U. ~
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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?1 ]3 @0 Z% c- N/ x4 U

$ A4 s3 e) `, V. V0 ^" X; u1 BI 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.
* e  ^3 c$ F7 U$ V, R; t+ @- OThis will help all Sony R2R users in the near future as well as our machines age over time.
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+ n8 {: R7 Z; z8 f8 N; a& @Kind regards, Raymond8 O/ E0 x/ U% W1 z* x' _

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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
7 D3 R- g, U  L8 k2 j+ Qhttp://www.globalsemi.com/productdetails.aspx?itemno=875032100
* t6 Z% u% G& \1 M  E4 a" w39.99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
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 楼主| 发表于 2012-1-4 12:59:13 | 显示全部楼层
谢谢!
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