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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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' [* P" d- Y7 b6 x- w5 m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。
8 ?* y, M/ a* }控制转速的IC, SONY CX-032各脚电压值如图
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; Y% j  Y9 ~: I7 K9 L3 N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 ; W+ K& i7 e7 u% u( @2 q3 Q' S
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有人走過相同的路了+ [. f! G% B6 A- _0 S
摘自   Obsolete Media - Forum
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http://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025
1 f, E+ N8 a. n3 P4 E: J& ?http://obsoletemedia.com/geeklog/forum/print.php?id=20250 {$ u: @$ J1 B% B# j4 {+ V/ O
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Chip CX-032B for Sony TC-558
0 m% y" m8 I  _: ]5 w1 c. v8 `Posted on: June 16 2008 @ 01:43 PM
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Content:
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4 |+ t8 Y3 G& R7 {6 FHi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.
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1 m: [1 M; t1 L# X" eLuckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.# z) k: `2 v8 [% C6 l
A rare Sony turntable TTS 400 has the same chip used as well./ b' _  k0 `. G4 @5 M! U) Q
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The supllier on this link has the IC listed.
! t, y6 ^& U, l( N$ uhttp://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)
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; \0 K! y' D6 K) kThe German Bandmaschinen Forum thread.
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& ~# N2 x5 x$ z' _/ }3 F- R( Nhttp://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)% }; G8 U9 g2 Q

. y7 R6 V- i* ~: iGru�, Raymond3 X  ^% {/ J0 {
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Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM
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Content:
8 D2 P7 l. ?# Z4 V) S7 H<b>visitorj</b>, can you make a photo of the IC and the board please ? and the schema if you have it?1 Q: k/ Q% V2 w* O

* U& S: i5 l% |: jI 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." }2 O) c0 F% G( S: n
This will help all Sony R2R users in the near future as well as our machines age over time." i, Z2 o+ M: ?, B$ U8 e# w
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Kind regards, Raymond3 E: M, |# U! |2 Y( s0 s. c

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6 J/ ^) D0 e0 v1 U- }" D( m有沒有用零件做出等效的主軸控制還要進一步追蹤/ B: S; y+ h, E
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http://www.globalsemi.com/productdetails.aspx?itemno=875032100
* K7 h* c/ r+ I! E) G39.99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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