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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 + ~! o" ^( g3 S, t7 `, l9 k9 v7 K

/ M2 [0 `# O- 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。: x3 e8 r/ M0 F: \/ d! V
控制转速的IC, SONY CX-032各脚电压值如图' ?% D/ N9 ]7 {
22-1.jpg
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8 R$ [. W- T% }1 ]1 ?0 a是IC坏了还是其它问题?如坏了,求着IC一块。谢谢!) t5 b. r/ |4 f6 h2 y
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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有人走過相同的路了  k" v) q$ V' U) f; h8 m8 }8 d) T
摘自   Obsolete Media - Forum
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http://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025 , R* q  Z' o3 v/ e2 r& l
http://obsoletemedia.com/geeklog/forum/print.php?id=2025  l# `& o4 I& {; w; k9 R* m% \

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Chip CX-032B for Sony TC-558
" j. F  G6 P, k8 H5 C0 wPosted on: June 16 2008 @ 01:43 PM
8 W# H( Z' U5 z  q+ gBy: RODALCO
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  ~9 y4 R9 W4 A3 E! o: CContent: 0 {3 {$ Y+ n( K. z' [9 W
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Hi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.
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. P$ v6 B$ c$ s/ e( g: hLuckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.
  c7 \- L0 m! _9 U; X+ LA rare Sony turntable TTS 400 has the same chip used as well.; N8 y) `7 U# g8 ~( d& B
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The supllier on this link has the IC listed.
  _! H7 B# {7 S1 I1 `  chttp://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)7 L8 E" R4 d+ X4 v, w6 }

& F% [. P$ F# e9 `4 ^6 dThe German Bandmaschinen Forum thread.
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http://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)
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Gru�, Raymond7 j+ |, P4 U( x0 d) X5 ]
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Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM & s6 z4 D1 H2 R. t( ~
By: RODALCO
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' W# L$ A/ U) D9 ~' E. J; k<b>visitorj</b>, can you make a photo of the IC and the board please ? and the schema if you have it?& X; h9 ]( p* Q# T' S9 e

, ^. g& I. n5 s( II 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.
2 X7 U& ?, R$ mThis will help all Sony R2R users in the near future as well as our machines age over time.+ A! O  \7 p0 m& r! c9 E! B

2 j1 f* N1 H$ K. z  |# ~, CKind regards, Raymond9 s' G" f+ N$ {5 [, o0 ^, @, }
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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2 o: X: G. @  q/ V5 P( f
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http://www.globalsemi.com/productdetails.aspx?itemno=875032100
- G% K6 u5 y4 P' \* X39.99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1 g4 B# L$ H8 V
 楼主| 发表于 2012-1-4 12:59:13 | 显示全部楼层
谢谢!
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