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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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" Q; h4 w  y/ f& \- s, |/ y1 x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 U- e+ f. ~% a5 j) B3 t控制转速的IC, SONY CX-032各脚电压值如图
  A0 `5 ~' n2 e1 `! V; m 22-1.jpg 9 p6 \" S( \; j7 s5 z( W
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是IC坏了还是其它问题?如坏了,求着IC一块。谢谢!& g4 h  Y* p1 P# Y2 B" B% h( Q- j
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 ' |5 M, E0 A' M4 U) n
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有人走過相同的路了3 _% p6 I- V$ q. S1 \: f7 R: O
摘自   Obsolete Media - Forum2 ?% Y8 |. }: A3 @3 z7 O  _% P* Y
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http://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025   S0 c5 x' I% P0 N
http://obsoletemedia.com/geeklog/forum/print.php?id=2025
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" @! [( Q& K1 S, @* l) {Chip CX-032B for Sony TC-558% }' n" S1 S1 s9 ^% ^
Posted on: June 16 2008 @ 01:43 PM
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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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$ L# O" q4 q( a0 v( WLuckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip." a" B8 y! H! ]# C; _" P
A rare Sony turntable TTS 400 has the same chip used as well.% p3 V9 n7 F4 g' N  S* ^
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The supllier on this link has the IC listed.9 i* k2 s$ a; r' \+ {  r
http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)
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The German Bandmaschinen Forum thread.
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' t. k2 {7 J6 x6 r2 u) L7 |http://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)
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Gru�, Raymond: j. n& b' U% g. O9 ], a
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Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM : y% I2 S( i$ c% g( R
By: RODALCO
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! x( W3 |( T& g3 r) ^8 m9 }<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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4 C# d0 g8 h. aI 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.# A  n' L3 v& B' s$ U$ e% l, V4 e
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) G% x" `! {9 @# e- X" p+ D9 T

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. \2 }0 z+ \- _5 `$ x$ H6 X. z  z有沒有用零件做出等效的主軸控制還要進一步追蹤( c4 M. p" b7 J1 ~! _1 S2 ?

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零件追蹤* D# L  H& m0 I0 X2 r& J
http://www.globalsemi.com/productdetails.aspx?itemno=8750321009 P4 \$ `' i1 s
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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