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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 0 O, ^# ]# N, [) t; y

5 `; g2 D, e  m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。4 S* j+ ]* i. C# T/ Z% o
控制转速的IC, SONY CX-032各脚电压值如图
3 F3 d1 v7 B2 o1 a, ~ 22-1.jpg 7 Q1 ~4 \' M; e& g3 j; B

% _! p! c5 W! F# N& \: p是IC坏了还是其它问题?如坏了,求着IC一块。谢谢!- _: M3 f* O. A, |2 g' N6 t( L7 F! I
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 3 R! h+ i% c9 K& `+ _6 x5 e) n
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有人走過相同的路了' O- d; R1 r& Z$ _" {! b- _
摘自   Obsolete Media - Forum8 {+ r% }3 s. Y" o% N

4 d( g6 w$ y- zhttp://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025 " {9 \, r  s7 q0 P0 ]& L1 n$ d
http://obsoletemedia.com/geeklog/forum/print.php?id=2025
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Chip CX-032B for Sony TC-558& P  w& l' F8 Y6 j8 y
Posted on: June 16 2008 @ 01:43 PM $ u3 t* j& d, h: H( e$ d, k7 c6 [
By: RODALCO % ~4 p; L* k8 x( n) Z1 w' S
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Content: ! c0 ^( ]% w3 ^9 z- D0 q

- k0 W( ]! W/ a5 m6 D6 _9 gHi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.8 n4 D. o  n4 U) q; d
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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.
3 q9 x* H7 c" f8 m6 Z% f1 \A rare Sony turntable TTS 400 has the same chip used as well., D2 Q1 D0 t8 _3 N* F2 Y( j

, g# r% |: R, d0 [+ ]The supllier on this link has the IC listed.
; D( i% R5 _) _- }" v5 ^http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)  y1 |- p  n+ k  G

- E1 K- x9 P' t: P6 dThe German Bandmaschinen Forum thread.+ Y+ [6 {" Q- V, O0 s/ Y
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http://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)
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Gru�, Raymond
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$ P* f8 `' {" M5 VChip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM
) H: t: c1 l$ W& P; E- wBy: RODALCO
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, c7 @* h: @: C1 X5 G0 fContent: 4 W" s# ?7 x7 g1 k- ~( V  [. H
<b>visitorj</b>, can you make a photo of the IC and the board please ? and the schema if you have it?' A6 o# }. H' A

9 @- n$ F+ D: X( `, I1 h3 \* QI 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.
& C  l# j3 v  i9 I& W0 K6 j5 _This will help all Sony R2R users in the near future as well as our machines age over time.
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/ r( ]- a  G6 E. Z) x$ `' k2 bKind 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; ?/ s! t( t" O/ d5 m
http://www.globalsemi.com/productdetails.aspx?itemno=875032100
+ P) Z. V9 R. d  `2 S5 ?) B39.99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 h4 `) S/ }% m9 k( Y
 楼主| 发表于 2012-1-4 12:59:13 | 显示全部楼层
谢谢!
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