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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 : {& z3 R& [3 {9 J2 d( o# r

, I  J+ A1 n* F" d; C8 d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。; G3 i) [' Y4 Z8 H
控制转速的IC, SONY CX-032各脚电压值如图
. W7 M# P# R( P  B  @# z/ r. Y 22-1.jpg $ ^# _7 r- G: y' {' ^: G9 }

5 z7 O& V1 v, N) R  C是IC坏了还是其它问题?如坏了,求着IC一块。谢谢!% a( L. k# o, D' ?' N, h
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 : H9 M" B- n2 O- ]( ]( C1 X, _
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有人走過相同的路了
2 ~. Z! g; j0 N; B摘自   Obsolete Media - Forum( `2 Y* q! k2 H) a

( x. T1 {( l) O( o( u' V; ?! Hhttp://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025 : G) a$ i8 y/ B( O
http://obsoletemedia.com/geeklog/forum/print.php?id=2025
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5 z$ c0 x9 O4 [Chip CX-032B for Sony TC-5584 ]/ U/ D8 S) V
Posted on: June 16 2008 @ 01:43 PM ; u) r- F( V# b% G+ C
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.3 U  F2 G; A) V% a; ^7 Z

. R" i! N' g7 B7 iLuckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.
! z# @$ R: {# {. y0 OA rare Sony turntable TTS 400 has the same chip used as well.' D3 o% m+ s8 b, }
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The supllier on this link has the IC listed.
0 [! T0 t# }/ Y- i( p) Phttp://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)0 Q8 Q3 p1 F* p! I; R: ?4 w
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The German Bandmaschinen Forum thread." Q( n1 u  ?% {/ x

6 S% p* R: @! ?! A$ a" R# b% Uhttp://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)
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& c  G" l/ C- _Gru�, Raymond
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! v& \+ U% g6 x! X/ wChip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM
9 ]; j8 y; _5 `By: RODALCO
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Content: / Q9 _  p+ n2 V1 d4 R
<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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7 q1 z  W% @$ ]: n/ KI 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.
- y, V+ z- f+ B- d: BThis will help all Sony R2R users in the near future as well as our machines age over time.! [4 K8 M$ J  k- l' Q" |) j

4 i, ~& z- U5 yKind regards, Raymond" t' ~$ a) B& b6 x' K: K

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: l# G8 E# \1 n& m* B" {2 G有沒有用零件做出等效的主軸控制還要進一步追蹤! T3 V; G" D- w" m7 K) H
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零件追蹤- c3 F, x9 }6 w# E' Z
http://www.globalsemi.com/productdetails.aspx?itemno=875032100
0 t! u6 ]. B! |- D+ \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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