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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 ( C1 m0 w/ E& F& b

. f2 ~  K8 ?% y# Z' J3 T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。
1 i) c( |' P8 `0 X$ X控制转速的IC, SONY CX-032各脚电压值如图5 D6 \: Q* d4 p+ w# I7 @# _$ |3 i( Y
22-1.jpg
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$ Z, G. d8 Q4 R8 W7 }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 7 h- g- F3 q( h. \; H

; q7 p6 I$ b& I6 }有人走過相同的路了$ d- j; z5 X/ L, q5 M2 D) P2 s
摘自   Obsolete Media - Forum
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http://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025
% E/ E8 `6 b9 T! T* ?5 shttp://obsoletemedia.com/geeklog/forum/print.php?id=2025
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) T* C" ~! I! o. Z- HChip CX-032B for Sony TC-5584 j/ [' E  e" c# Z
Posted on: June 16 2008 @ 01:43 PM . Z5 ^( b' Y3 g" v2 m
By: RODALCO
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% m! k+ ]" ^! ]8 Q" M4 VContent: # q: N! i# f1 _" Y' ]3 n) Q; F

: p: A, ?# S. B8 n' SHi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.
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. K' }+ t: I% A$ ~: `: yLuckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.# n7 d4 c% \0 F! z
A rare Sony turntable TTS 400 has the same chip used as well.
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: o0 H3 ]9 I/ D; w' G4 B, sThe supllier on this link has the IC listed.
4 }$ W/ p" n( G" V; f3 ghttp://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)
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/ {1 P( T7 C& d9 \) F+ T* QThe German Bandmaschinen Forum thread.: j2 p% z! F( d  d: l; c

# K/ }2 q0 l7 g$ z# {, ~! qhttp://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)
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Gru�, Raymond$ j% p  d% S. }

/ t* y6 |, |* `  r2 [Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM 0 I( _  O& O0 s$ e
By: RODALCO
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6 W8 B& s- m7 O7 w7 jContent: 4 u( @/ v% {, p+ I
<b>visitorj</b>, can you make a photo of the IC and the board please ? and the schema if you have it?* f% [+ Z* y0 t! n5 [

. s2 [% }& B" _7 c% M$ R; P& TI 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 I' w9 p4 P- l- M' M+ ?* B
This will help all Sony R2R users in the near future as well as our machines age over time.6 R3 P# x- A& b' M% U5 n: y9 k

* r6 c% ]3 @: c1 L6 E  N! h4 fKind regards, Raymond: I3 _4 q; f1 `! t, U

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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  p3 I- G# {( m) I

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零件追蹤* C, s6 Y" Y- ]
http://www.globalsemi.com/productdetails.aspx?itemno=875032100
2 E& [. c1 v8 ^- P: _: j2 c39.99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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