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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 $ p0 u8 ~6 h' |  q1 Q/ W

/ S+ I( \; O/ w& r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。7 h2 v+ P( B* f: k0 ]- h
控制转速的IC, SONY CX-032各脚电压值如图: [2 j# ~3 k' B
22-1.jpg
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$ t. u7 i9 c3 x# G( e( m! X) }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5 t3 {; M1 A: S# v1 ~0 w
摘自   Obsolete Media - Forum% b8 d& ?: |3 }7 w% p

) E4 ?5 z0 X8 Z: @! O+ bhttp://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025 : l( }; v4 {* o
http://obsoletemedia.com/geeklog/forum/print.php?id=2025
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Chip CX-032B for Sony TC-558
9 q# M8 b8 s5 |: T( A( i5 a0 vPosted on: June 16 2008 @ 01:43 PM + S: _$ V' {5 w  W
By: 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.
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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.- ]1 k5 m* a; W$ u( v
A rare Sony turntable TTS 400 has the same chip used as well.( s7 S, U8 z$ ?" I
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The supllier on this link has the IC listed.. z& |( p" z9 l; l: d/ U
http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料). F. q0 z+ Q; m) [# B# ?7 w

& B3 z/ e4 z  l, x: @; X1 ]The German Bandmaschinen Forum thread.
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: l& W4 O* M2 W+ [; X: uhttp://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)- C8 I( c# \9 e. W, P. ?' m

1 @: |+ K( [$ b- Z5 I8 D) N* ?Gru�, Raymond
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Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM - j* [5 ^6 F: k. J
By: RODALCO / C% l" R4 \& a9 _
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Content:
+ x2 M7 [- V4 g  N<b>visitorj</b>, can you make a photo of the IC and the board please ? and the schema if you have it?/ Q: ?7 A! ?2 b% c

5 a* f0 L3 ?6 `0 |5 ~" ]9 bI 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.
* h- H6 M9 _4 H% g( N9 g$ cThis will help all Sony R2R users in the near future as well as our machines age over time.
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) {3 j, }9 I, a& V* _Kind regards, Raymond
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4 d; u$ F1 Q. ~0 H- x( A  Y+ C有沒有用零件做出等效的主軸控制還要進一步追蹤& K, [, V& l+ `( |1 |% K

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3 p) }2 M1 ?5 L: x/ i# b% @零件追蹤
6 Y2 E# f3 S# p: c6 T0 Xhttp://www.globalsemi.com/productdetails.aspx?itemno=875032100
8 t* I/ C. G* u! i/ L39.99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/ g2 ^9 |2 a% t" h
 楼主| 发表于 2012-1-4 12:59:13 | 显示全部楼层
谢谢!
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