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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 1 k' S+ |' j. F/ }

9 Q  P; T$ h& T4 B/ D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 `8 t6 S/ t: c& S0 [
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!* I) Y, H1 Z; d
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 7 H' [* \; s$ X9 F7 E9 _' ]* ~
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有人走過相同的路了' v3 K! @2 Q- A3 W# t! j+ l5 t# G7 \- i
摘自   Obsolete Media - Forum0 m+ [# U. k# Z0 N. e" y; m
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http://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025
$ Y  t: M, ]( d# t  @* Ehttp://obsoletemedia.com/geeklog/forum/print.php?id=2025$ z: i& E' I1 W; W& _

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3 r- q. z7 d$ k  p- W, TChip CX-032B for Sony TC-5582 J/ u6 s' b  a% A" E9 U1 q# O3 {4 U
Posted on: June 16 2008 @ 01:43 PM
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Content: 5 x& G5 V) V' p- }+ Z! p/ V
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Hi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.2 x- x' C5 z2 _  h  z  I; u* x. r
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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.' G4 @3 e+ H; D
A rare Sony turntable TTS 400 has the same chip used as well." c1 w8 F  I7 J4 [/ k
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The supllier on this link has the IC listed.5 D" w  j% x- `
http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)
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8 C4 ?. O+ Z' ?( O' z" FThe German Bandmaschinen Forum thread.
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! u  G* R: E% n4 H+ whttp://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)
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! g, _  Z0 F  U+ }+ jGru�, Raymond& f! t1 t- D. V6 V2 U$ W# ~3 U& T
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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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+ k( t- K* `1 z  hI 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: j7 K$ y  KThis will help all Sony R2R users in the near future as well as our machines age over time.5 u1 c8 @1 u! ^  M
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Kind 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0 s' }/ E- A: J  O9 O8 C! D* a

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http://www.globalsemi.com/productdetails.aspx?itemno=875032100
. m8 |+ f1 x% ?9 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7 Y8 Q. _0 {* F2 w
 楼主| 发表于 2012-1-4 12:59:13 | 显示全部楼层
谢谢!
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