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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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" O3 s2 k; k  r# C  u0 Y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。
2 X( E5 I7 l3 e0 R5 Q1 C控制转速的IC, SONY CX-032各脚电压值如图" G" e; v4 h# Q! |' p
22-1.jpg ( J3 m5 j$ a" q  M( e/ m
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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
( d6 r+ I* y; t% w" y摘自   Obsolete Media - Forum6 U" n* N+ `5 @0 w0 i4 Z# R# _
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http://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025
) d4 b) \- U: j, T- @7 {9 w) ihttp://obsoletemedia.com/geeklog/forum/print.php?id=2025
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Chip CX-032B for Sony TC-558
# e1 L* k( h; y/ s# a. HPosted on: June 16 2008 @ 01:43 PM
0 U( @2 W, Q8 t6 S" w9 q& y- w* z. WBy: RODALCO
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Content:
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. _% |1 L& D6 ~5 l: \  }$ p* y0 KHi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.
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$ ^* C  H) m# Y3 Y: hLuckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.. p- M' l3 k6 ?- R5 a
A rare Sony turntable TTS 400 has the same chip used as well./ R+ a* z9 v9 w& r1 _
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The supllier on this link has the IC listed." Y( G) X1 c. P$ q
http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)! C6 x$ ^6 ?/ V+ {6 N3 r: K
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The German Bandmaschinen Forum thread.
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/ x1 ?% q7 A5 c  ^http://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)1 A9 J- ?, m! d: i+ L- d
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Gru�, Raymond( y' \. W( d4 T# o
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Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM
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3 N: \- I! s* L8 X/ ~* H+ Y  YContent:
! G5 n$ `2 d7 X$ }% e% E8 m<b>visitorj</b>, can you make a photo of the IC and the board please ? and the schema if you have it?
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, C/ {3 g7 i' V2 z3 h% ^9 DI 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.
  S: U, Y( |0 Q" a& M* ^1 xThis will help all Sony R2R users in the near future as well as our machines age over time.
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+ m4 Y* A, x9 m9 f4 dKind regards, Raymond, n1 X) ^7 [5 m

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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$ I1 J3 [) j3 ^  x5 u
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零件追蹤% f# N1 r: o+ f; r4 U6 m, l2 Q
http://www.globalsemi.com/productdetails.aspx?itemno=875032100
$ _! h$ Z& L5 \3 J6 h3 }% ]# H$ [9 ^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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