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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 0 w  B& l! A' E2 ^* a4 h! I

3 T& R/ x% P& P7 @9 \6 m5 G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。
: _4 g5 d0 [( j' m9 x5 _  Z控制转速的IC, SONY CX-032各脚电压值如图# `) t* L8 q0 ]( z
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!
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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 0 [: [& H# r2 E
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有人走過相同的路了" `# _. F5 O: ?( f
摘自   Obsolete Media - Forum, D2 U* ~0 j% N3 [' {
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http://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025 % _8 T; r/ {4 r! S9 l4 m
http://obsoletemedia.com/geeklog/forum/print.php?id=2025
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  B7 X( o7 D( `( {Chip CX-032B for Sony TC-558
8 Q4 d" Z+ |/ f3 J% ~Posted on: June 16 2008 @ 01:43 PM
* y0 `2 e! a3 x3 c. mBy: RODALCO
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Content:
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Hi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.; V+ N) \- j, d* ?

4 Y% u- w7 R0 p; Q& iLuckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.
: g! B  o* o3 T2 b) T3 IA 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.
. [0 n+ A( \$ N5 bhttp://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)! X. i, E. s& t

; P: {$ W; I* e, W. ^7 n0 q: \The German Bandmaschinen Forum thread.
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! z0 ~1 ?, w( N& \* Whttp://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)
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Gru�, Raymond% A. p1 q$ \/ K9 K2 X2 b
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Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM 0 X2 ~  l4 e+ M" x7 |; m' ~
By: RODALCO
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. g% ~& J' F% }0 [<b>visitorj</b>, can you make a photo of the IC and the board please ? and the schema if you have it?# }2 s% S  X3 \& }7 J
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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.
6 k7 `+ j) [8 J( W  `. z# F) j4 iThis will help all Sony R2R users in the near future as well as our machines age over time.; \, f* z* }( k7 N
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Kind regards, Raymond& j6 W. h. g  w$ X0 p8 Q& d7 m

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& |9 ^) S; O' Y. Y) z, k& J有沒有用零件做出等效的主軸控制還要進一步追蹤+ @" e0 T9 `0 C
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零件追蹤/ M7 Y$ Q# D2 i' h2 ~
http://www.globalsemi.com/productdetails.aspx?itemno=875032100
+ Q, A% C7 _+ ]; J' B39.99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  F. A  s/ B! Z" N' `( {! f0 v( N$ \
 楼主| 发表于 2012-1-4 12:59:13 | 显示全部楼层
谢谢!
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