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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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; Q4 ]6 I8 S+ L" R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。) `' Z- q% r2 C8 {
控制转速的IC, SONY CX-032各脚电压值如图0 ]1 o: G4 t$ z7 U- H
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9 n( G% N* H; C$ |# T是IC坏了还是其它问题?如坏了,求着IC一块。谢谢!9 a  x! ]- l. z9 u# v* p
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& }+ ?. F+ P! i
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有人走過相同的路了
3 H& p# u$ {# a5 A8 `$ X, k摘自   Obsolete Media - Forum9 r: Q- v- D  E( g( x

7 A* K% V1 `+ q5 v/ v, qhttp://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025   G8 j' d4 B! Y6 L" c- B) e  d# T
http://obsoletemedia.com/geeklog/forum/print.php?id=2025
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7 ?1 V; Q  h5 L2 F( vChip CX-032B for Sony TC-558
5 C- p; I' N  j# v" O& QPosted on: June 16 2008 @ 01:43 PM
! Q  N! Q: x. ?4 |! wBy: RODALCO
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Content: / X1 N# a% @* O' M9 {' \

% f& k; k' y. G# R; `Hi, did a quick Google and found this link on a German Forum regarding the CX-032B chip." F' J# ^3 w4 T- g0 t; ]

* ?7 ^$ _9 j# S$ ?Luckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.  o; x! O4 I/ O" R& a* n
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.
4 t9 b, T% a9 L7 Chttp://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)
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The German Bandmaschinen Forum thread.
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/ b% F9 B& y  Bhttp://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)
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& N+ Y+ L1 I8 O% L7 L$ BGru�, Raymond
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Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM 4 d! k+ y6 J9 G5 R2 j( v1 M
By: RODALCO $ h5 r$ ^, H/ }# [0 H4 P+ [) C% C

2 B9 j0 H% Q: E/ A- E7 q: kContent:
) O9 p% `! b: a: Q: j" K$ U0 |1 w<b>visitorj</b>, can you make a photo of the IC and the board please ? and the schema if you have it?$ J, a; p* l- n* `8 [2 w8 v% m, r
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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.
$ _, }5 B6 U: k$ q" }This will help all Sony R2R users in the near future as well as our machines age over time.
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  o8 j5 f& S& u- j( E; gKind 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, ?  J; ]0 l+ m) @
http://www.globalsemi.com/productdetails.aspx?itemno=875032100' Y; j+ p) v; f
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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