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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。
; ~3 \) }) _3 j5 g& O! g控制转速的IC, SONY CX-032各脚电压值如图
$ r5 p4 k& w: @4 Z1 \; [. R 22-1.jpg
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是IC坏了还是其它问题?如坏了,求着IC一块。谢谢!/ b3 ]6 _" ~0 @( A% Q* H
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
  `% t. N' z9 |7 r& e5 p1 Q摘自   Obsolete Media - Forum
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# P' R+ X1 _/ h4 S" F2 I; ^http://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025 0 k' L& r  R2 D, ~4 ]6 y8 f
http://obsoletemedia.com/geeklog/forum/print.php?id=20250 }5 d! }7 b. u1 r

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$ ^6 \# c: [8 o1 _$ b. FChip CX-032B for Sony TC-5589 n) X" H- _- K6 P5 {+ K$ D$ F
Posted on: June 16 2008 @ 01:43 PM 6 x7 j$ K( X( ?+ J) c4 R
By: RODALCO
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Content: # s; p" {8 J% o" _

4 K7 Q2 z; Y5 i( J4 t" sHi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.
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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.4 C# d* t# E. ?# ~
A rare Sony turntable TTS 400 has the same chip used as well.* G" z( T" j/ m' Q& U5 X
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The supllier on this link has the IC listed.
) g7 @. ^; H5 _) f, ?7 p$ ^: A$ whttp://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)
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; X7 E$ N- x! o8 M! l2 UThe German Bandmaschinen Forum thread.
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! i) s) k, w% `) f: Thttp://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)
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Gru�, Raymond% y. N8 j  U4 M1 @6 N

! g6 \& w3 Y0 Y; V+ p5 @0 h5 K% P4 OChip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM & r+ |& ^& i3 {2 n; `! v
By: RODALCO
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7 e) \! }. Y0 M  J& mContent: # f. D$ s8 H$ V3 a& e1 N4 D/ j8 u0 y
<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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& h6 C+ l7 l  K1 N+ _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 g/ }3 D5 d" n& v0 S2 Q# w
This will help all Sony R2R users in the near future as well as our machines age over time.7 r2 P2 [9 Y* G0 F5 {5 }
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Kind regards, Raymond
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4 T# S  t; i5 ?9 l( x2 _5 G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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- N8 A% h  J1 a' X+ J6 S零件追蹤' @: Q; I9 R' t% s  k  P
http://www.globalsemi.com/productdetails.aspx?itemno=875032100
. m8 a3 ?  x# x% H7 R7 h. N, P39.99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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