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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。
' k$ O/ N- D9 e# g  Z, M* [控制转速的IC, SONY CX-032各脚电压值如图
( L% I+ M4 K; K" y 22-1.jpg 9 v6 q* a! b7 P
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是IC坏了还是其它问题?如坏了,求着IC一块。谢谢!' f% @4 s" b# ?3 Y) 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
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- Y; C) A6 q8 g& W1 O有人走過相同的路了
/ d! u* x; {4 D2 e* W6 W+ I& l6 Y摘自   Obsolete Media - Forum
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http://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025 2 ?# x4 ^# m# A3 s/ W
http://obsoletemedia.com/geeklog/forum/print.php?id=2025; P0 ~* G' v) }# N2 b; Q  A
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Chip CX-032B for Sony TC-5585 S* G4 |/ N  {: N; n! |# X5 S1 l4 c
Posted on: June 16 2008 @ 01:43 PM $ j6 Z* P& @/ V% n2 F
By: RODALCO
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! b6 W, V7 L9 e: e! @6 FContent:
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1 }* o1 k2 W/ m1 H2 c( i" UHi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.! @3 z0 K* H6 y3 a0 P
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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.0 a2 P# g/ h3 x) z2 B+ I! G
A rare Sony turntable TTS 400 has the same chip used as well.
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The supllier on this link has the IC listed.
, a4 T6 c* t9 a& Vhttp://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)1 x8 J3 {. \- b6 b5 P' ^3 z0 F- i

" K# u0 a( U3 _" b  `0 o* tThe German Bandmaschinen Forum thread.! _8 C, h) k0 h$ ~! A, y- W
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http://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)
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Gru�, Raymond7 T9 }1 ~3 T5 i) a4 N$ Z
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Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM
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Content:
6 h; }% P1 A2 K  Y, G' ?<b>visitorj</b>, can you make a photo of the IC and the board please ? and the schema if you have it?! G2 T  Y% K( F' x/ e! q  u4 _

( b! D3 l% `3 Q* F- G0 N7 ?7 M) Q# kI 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.
% M5 C1 v$ h8 N  \. s1 I6 aThis 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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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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零件追蹤
" E( ?7 y1 w% F, [' T, Ehttp://www.globalsemi.com/productdetails.aspx?itemno=875032100
9 f+ a0 l9 J& \& ]: w& O/ j39.99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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