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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。: Y% i( d" E. j( s3 x+ N, v
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!
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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 % K: H' ?2 p: S; J( p
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有人走過相同的路了! i" O. s4 v, C* R/ C3 f3 t
摘自   Obsolete Media - Forum$ k4 Y$ O9 P) x5 _8 w4 w. x& S
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http://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025
$ M4 }6 g" D0 l+ w2 g4 O. }/ [' T: u% Ihttp://obsoletemedia.com/geeklog/forum/print.php?id=2025
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Chip CX-032B for Sony TC-5585 a$ s3 H  E0 Y4 Z( ]* v- o
Posted on: June 16 2008 @ 01:43 PM - I. F7 M- \# W
By: RODALCO
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" |+ A1 `3 e; J+ v7 EContent: 7 v& q! L5 i2 H* s% \

1 F% c3 E$ U7 X( k  F: _Hi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.1 F7 G5 I0 f7 s: `% n6 n4 `

  S( h6 Y& G' k3 |3 @; w: TLuckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip., P" m! g. W! v' k
A rare Sony turntable TTS 400 has the same chip used as well.: T8 w3 H3 b4 V+ F  m0 g  h

' I, d/ ?. H7 v5 _1 BThe supllier on this link has the IC listed.
7 C7 b* {3 b) e" }6 S7 R5 B- q/ shttp://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)! [6 ^/ A0 o3 D

4 E* K9 [# B' X( IThe German Bandmaschinen Forum thread.
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% O1 {7 e# G1 [  b8 _7 ahttp://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)
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/ [; L: j9 U* M7 ~# h5 O6 M7 IGru�, Raymond
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Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM + h  t. M, x4 I4 N" g5 `! |" |
By: RODALCO
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Content: & _% ?( [! R% D- ?
<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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9 E4 U7 d8 i. G1 g3 \# u9 n) oI 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.
5 j  S: `  y  d2 j$ h' V" u# uThis will help all Sony R2R users in the near future as well as our machines age over time.+ G. T: P! G: a2 ]* F
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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( S# X1 o+ [; Q

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零件追蹤
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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
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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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