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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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3 u$ S' t: N) Q; n5 f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。
. D: u7 K- Y3 [/ E0 {4 }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
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有人走過相同的路了
0 a' h5 R# s9 b% }摘自   Obsolete Media - Forum
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http://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025
; M, w% H9 o) x/ D; V0 w0 [http://obsoletemedia.com/geeklog/forum/print.php?id=20251 |3 n0 @! [! B
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Chip CX-032B for Sony TC-558
+ o* E: |; a7 ~' _4 ?, A1 ePosted on: June 16 2008 @ 01:43 PM " U/ R; `8 T# K
By: RODALCO ( J; L& r/ K, m( R/ g/ p

' a0 y2 L7 G/ b8 H8 gContent:
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5 c% e- }0 F6 q& }7 |. GHi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.# @, o- B3 \% ^- E  ^

& a& k: y  u; X- Y( y8 W( SLuckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.7 s; d6 m  m) s5 i5 E' w
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.: d$ M" y  v( S* d, v( r4 [
http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)$ Z4 |7 R  n7 w( ?3 m

& ^+ v8 X7 v1 ], i) S  uThe German Bandmaschinen Forum thread.
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% T, |4 W5 J& G* M' vhttp://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)
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Gru�, Raymond
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Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM
+ g& t+ J) B4 x$ I) L8 B3 W3 Q% WBy: RODALCO
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Content:
+ e& h- m3 w7 U/ M7 {, _1 S<b>visitorj</b>, can you make a photo of the IC and the board please ? and the schema if you have it?  J- y5 f( N; L

% D4 }8 L. f/ J$ T+ o. O4 e' g9 ?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.0 `5 a( o% ~; b' N
This will help all Sony R2R users in the near future as well as our machines age over time.
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" w2 n7 {6 R0 ]# }" Z" }# ?Kind regards, Raymond
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0 b6 L$ z# t8 |1 D' x* @& u有沒有用零件做出等效的主軸控制還要進一步追蹤8 M$ e1 G- B! a  h1 f

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零件追蹤) i4 S8 w7 [# p4 s' o: ?/ K
http://www.globalsemi.com/productdetails.aspx?itemno=875032100) f, y& C$ S4 ]$ d, }# s, H  d  d
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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