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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。
4 }3 k# A  ?. Q% G4 }9 z控制转速的IC, SONY CX-032各脚电压值如图' @6 i1 I, l$ s% c2 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 * ~% Y& U+ j) v$ x
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有人走過相同的路了5 P! u% V; r! Q$ R3 |6 d* @
摘自   Obsolete Media - Forum% f5 g! h. B& h( ~
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http://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025
& J2 H4 j6 Y6 `" Ohttp://obsoletemedia.com/geeklog/forum/print.php?id=2025
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* F6 W# O% K/ LChip CX-032B for Sony TC-558, r+ |% r" W5 Z4 p3 P& E
Posted on: June 16 2008 @ 01:43 PM
! V' c2 w7 e5 r/ R2 uBy: RODALCO
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+ w1 K7 ?5 P" L- P7 o' v' h) ]Content: $ O4 B' y* V4 D! H& I
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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.
4 t- k) a) H: t& |( d5 Q8 SA rare Sony turntable TTS 400 has the same chip used as well./ _0 ~% R- K* f" p$ I

! Z; k8 `7 }4 F5 l7 u6 U. c3 bThe supllier on this link has the IC listed.& y6 P. a" e) C2 ^
http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)0 L, J" B* I2 i( ]0 [6 G. x

  q* B9 h2 `# [! KThe German Bandmaschinen Forum thread.
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http://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)
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Gru�, Raymond/ p* ]6 R% n3 C& C7 U

/ i8 [- c, ?( fChip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM & }+ H3 Z" m- n( s1 M" _
By: RODALCO 2 ~- y% D$ D6 B
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Content:
7 x  _7 d: i& ~$ B8 L6 v<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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+ Q4 e+ `; g, D5 d2 k( WI 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.9 }3 b1 H5 }7 C- P# c, t$ {, J9 K( r2 D
This will help all Sony R2R users in the near future as well as our machines age over time.
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Kind regards, Raymond) C2 X! [2 E1 B9 {

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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) ?9 x0 C. k' X" P% ~7 a" P

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9 g$ p4 W% M8 a. x' r零件追蹤
2 q9 ~+ Z6 z, I' khttp://www.globalsemi.com/productdetails.aspx?itemno=875032100) l( D8 j7 [5 t3 M. P3 G; }% |
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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