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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 ; V# E) c3 S9 L3 R; z7 M
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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。' F% E! r2 e$ G$ }; L
控制转速的IC, SONY CX-032各脚电压值如图
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4 n. M( x% m2 N% c% `7 o7 o& p是IC坏了还是其它问题?如坏了,求着IC一块。谢谢!5 ~/ q8 n/ f2 v( O( E/ E  ]
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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5 l  G+ [- _% m& o; C& q6 n有人走過相同的路了
1 F* E! ?8 \$ }# E& @) h9 k摘自   Obsolete Media - Forum
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http://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025 ' z! u/ A7 F& b! f
http://obsoletemedia.com/geeklog/forum/print.php?id=2025
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4 G- O6 r4 ?( I; V5 fChip CX-032B for Sony TC-558  O8 H2 A4 B7 O; _2 z4 X2 V
Posted on: June 16 2008 @ 01:43 PM ' i- s+ T8 ^9 }" S; F+ w- T
By: RODALCO 3 e# Z* O( \% H9 p
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Content:
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$ p" a, M: u8 ^9 z- V- p/ fHi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.
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4 ^; e1 A3 k& cLuckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip./ q$ f# }, y% p( [# B
A rare Sony turntable TTS 400 has the same chip used as well.
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The supllier on this link has the IC listed.+ J$ K* I) ?5 ]" Y' T
http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)4 L0 p2 V7 ~( z1 c5 d- D4 m$ b# `
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The German Bandmaschinen Forum thread.; p3 S& F( Y; r

9 g# Z5 u( Z: v% {1 }http://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效); x, B9 D5 j) ~; h; M$ G4 `9 W
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Gru�, Raymond1 O8 d  [* {; f' t2 S; U% H8 u
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Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM
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Content:
; ~, R, B* D5 a& L1 u7 f7 u# N<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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! Q+ u' c, A& N; D; W6 z2 UI 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.2 J0 C7 ^" D7 V
This will help all Sony R2R users in the near future as well as our machines age over time.
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1 i* f( d1 ^3 H: oKind regards, Raymond
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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
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零件追蹤
; A2 _& P' u4 @) }' a: k0 I# r8 Ihttp://www.globalsemi.com/productdetails.aspx?itemno=875032100( }6 H6 K' F" W; G( R
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/ A& V9 e) G# D& m9 K6 Q
 楼主| 发表于 2012-1-4 12:59:13 | 显示全部楼层
谢谢!
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