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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* }+ g# q: ~( _! A' r5 }控制转速的IC, SONY CX-032各脚电压值如图1 k8 X2 [1 t2 v1 S  T* ]3 f
22-1.jpg
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( g% Z6 |$ [, C9 X' @+ k是IC坏了还是其它问题?如坏了,求着IC一块。谢谢!' ~+ m8 l% b7 R
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 ( p" r. \3 p0 M5 E5 j) y: Z

( |5 U0 {+ J# M, A有人走過相同的路了. K  ^+ |! a  d3 _- y7 z9 L4 T3 K
摘自   Obsolete Media - Forum
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http://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025
( f7 l! |  L9 u2 k8 f5 q+ x! s1 \http://obsoletemedia.com/geeklog/forum/print.php?id=2025
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Chip CX-032B for Sony TC-558/ y8 I3 r: E8 Y5 \- O! H
Posted on: June 16 2008 @ 01:43 PM : F  }+ g; i' u4 w1 u1 ?
By: RODALCO 2 \7 [  i: S( i+ z( D! J

! o' ]1 K1 ~# Z8 N6 TContent:
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, J# o# b9 m+ e$ l: t; w# S  @Hi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.. Z3 K9 @% |& d

! q5 `4 ]& `- f) y2 I% PLuckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.
6 p2 E4 J* S) ~3 g4 Q7 Q. WA rare Sony turntable TTS 400 has the same chip used as well.
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9 w# k# c/ s; ^0 ^4 BThe supllier on this link has the IC listed.
2 u/ |# [8 j; I) Ghttp://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)! _. ^) ~3 l8 K: e

3 I/ L) ~# z$ ~& MThe German Bandmaschinen Forum thread.5 M9 S$ q0 x9 {/ V2 S0 W* ]) b- P

9 r; ]2 a# U: i! u) S. B$ ^http://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)
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3 m5 h9 `5 ~9 f; C) O& iGru�, Raymond, k% |. s8 {6 |( V

0 o) p! Y+ O- j& p- WChip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM
/ e! I4 K! R8 |8 J9 XBy: RODALCO
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Content: + b% \- m7 o2 A, n/ J& V
<b>visitorj</b>, can you make a photo of the IC and the board please ? and the schema if you have it?' c6 _# F3 E: V5 C. ^8 ]

4 }3 Z5 U/ m5 o% c. ~& {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.
3 s; I6 H" I8 f5 S* LThis will help all Sony R2R users in the near future as well as our machines age over time.
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& X8 X- A6 @! H$ v0 [; sKind 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1 G( Z+ d+ g$ z# y
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& x; c& W  x3 T0 v" d零件追蹤" b: P) H" }3 E/ }; E' G
http://www.globalsemi.com/productdetails.aspx?itemno=875032100
( w7 T5 X4 U* k7 J. f2 x+ o39.99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: T  L, |. G, e1 {. f% i
 楼主| 发表于 2012-1-4 12:59:13 | 显示全部楼层
谢谢!
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