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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 O6 o; M) Z: f: h& }& Z- R4 o# G9 l
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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。
5 n' f$ c" O0 ~$ S' E控制转速的IC, SONY CX-032各脚电压值如图
4 N/ b, R$ J) _0 i! Z6 h 22-1.jpg % p% C- ?0 A- A  a
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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 0 k. i" ~0 Q( c/ N

, X$ X! g& l, F- ^, H) f" w有人走過相同的路了
- p4 G# F$ H9 S) _, k5 p摘自   Obsolete Media - Forum
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http://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025
# m8 o" [" P- g* w! ~http://obsoletemedia.com/geeklog/forum/print.php?id=2025
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Chip CX-032B for Sony TC-558
8 s; L! F' y7 zPosted on: June 16 2008 @ 01:43 PM ' }. n" i2 b3 r+ M; |( w
By: RODALCO 5 F2 A7 G, \) I% A
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Content:
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8 S) z7 `2 j* GHi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.% U2 |7 {2 L, W! d! o
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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.
9 j# k: s( ^: M+ U- l% j% CA rare Sony turntable TTS 400 has the same chip used as well.' n" F* j7 ?# m" h2 n0 l4 [
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The supllier on this link has the IC listed.( a" {* Z: T. n$ l  `- X4 W4 ^/ D
http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料): m6 Q1 W4 j# {! Y2 q
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The German Bandmaschinen Forum thread.
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) d2 u* j7 Z9 G4 ^9 A( Q" L- yhttp://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)
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+ D+ [% Z& G& {4 ^# ^6 G. GGru�, Raymond
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$ X- j: P7 H* X3 b" ]Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM
# M4 M6 G2 ^. {7 d* b# w- PBy: RODALCO
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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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; |/ N1 I7 o* C. z8 a2 N4 `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.
- i: N/ B! h: c( [5 [This will help all Sony R2R users in the near future as well as our machines age over time.8 ]. r0 `* \8 ]+ G7 A# O9 O

5 X/ M/ j% I' g- q5 o: KKind regards, Raymond
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, `  }1 C: l5 p, v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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+ O! E; w& W0 c) q+ t) ~零件追蹤
& d, t' a0 g$ o" {# j" thttp://www.globalsemi.com/productdetails.aspx?itemno=875032100
5 g3 u* j2 T* c% X) }0 ]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. Q2 w2 W. q. S. z. }0 _
 楼主| 发表于 2012-1-4 12:59:13 | 显示全部楼层
谢谢!
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