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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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# w% ?9 `4 {$ e5 L$ P9 `) j+ Z% }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。! U/ C# C* ~# ~. z
控制转速的IC, SONY CX-032各脚电压值如图2 W5 ]+ o/ B. s; u2 k
22-1.jpg
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是IC坏了还是其它问题?如坏了,求着IC一块。谢谢!3 M6 a1 y$ ?! k- O" N, n
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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2 V3 L  E  m/ `' L& X# \有人走過相同的路了
+ |& M5 B! ~  q' Y4 e摘自   Obsolete Media - Forum
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http://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025 & B% Z( v, M! f- s* y7 O
http://obsoletemedia.com/geeklog/forum/print.php?id=2025
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7 h. a  @. w* f8 c( c  K3 eChip CX-032B for Sony TC-558
  a: X8 o- b$ `5 Y+ EPosted on: June 16 2008 @ 01:43 PM ) U) Y7 j0 B8 t: k& c- |" F# y
By: RODALCO
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Hi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.7 P+ ^0 T8 r6 p, E; K
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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.
( R3 w2 z, D3 X" ?7 m$ NA rare Sony turntable TTS 400 has the same chip used as well." D9 B$ G; |, Q" p& L$ t
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The supllier on this link has the IC listed.
  t, }" z: b2 vhttp://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)
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The German Bandmaschinen Forum thread.. k" j" K+ y8 i6 S4 a; V
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http://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)4 v: M/ g  p" W% I) r, J$ |
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Gru�, Raymond5 v7 j9 ^, j9 F

- }, g# I% m% g% y& U8 k( ~3 Z; zChip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM ' a" o( h6 \  j: c& H
By: RODALCO 9 Z# p" f; v" {- B4 d
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Content:
; N9 f. I: o# }  m8 n8 a" h<b>visitorj</b>, can you make a photo of the IC and the board please ? and the schema if you have it?; I* K/ D6 ~& l7 o/ Q9 J2 T& V

) e2 z( c9 `/ n* P( G- ZI 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.( l2 {, {2 H* t5 m/ B! s
This 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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( P! q* K7 {6 q8 ^% {有沒有用零件做出等效的主軸控制還要進一步追蹤3 G; ]% W  V$ L/ M2 w! t" \. P; T

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http://www.globalsemi.com/productdetails.aspx?itemno=875032100
5 Q6 W5 e7 A! ~  E1 ^' u  O39.99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4 ~; m, y2 }5 J  \
 楼主| 发表于 2012-1-4 12:59:13 | 显示全部楼层
谢谢!
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