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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 " A! k  R+ r$ V5 G0 P) F8 j
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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。
+ Z2 S+ p4 ~+ b3 I控制转速的IC, SONY CX-032各脚电压值如图
& A: ^" c- ~1 u7 v1 p/ g 22-1.jpg   q. K1 x8 _( s8 ?1 O" r

8 X: s" V, G( d5 _. h# n1 P4 i3 I& d是IC坏了还是其它问题?如坏了,求着IC一块。谢谢!9 W" C+ A: a: Y$ c) x; U8 |
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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# p6 O- k, o  }/ A5 d' g有人走過相同的路了: K- F2 M9 E/ f% q: c( [  y* }
摘自   Obsolete Media - Forum
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( _1 I+ g! @5 `5 c& y7 }/ ghttp://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025 : r* a+ l* ]) o- P9 ]' x, i
http://obsoletemedia.com/geeklog/forum/print.php?id=2025
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) p' C) m4 L$ U  x/ ~' W& eChip CX-032B for Sony TC-558
, Y; \- o+ i  u4 ]: `; uPosted on: June 16 2008 @ 01:43 PM
+ y/ ^2 V* e) H& w/ f8 K4 GBy: RODALCO
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: _) w4 `" R) m: \Content:
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9 }$ \  Y7 x4 f% o: MHi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.
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" {  A, B8 _+ t- ZLuckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.
- ~' |6 T5 s+ m" W1 }A rare Sony turntable TTS 400 has the same chip used as well.0 J! z9 @2 }' K+ Z- J
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The supllier on this link has the IC listed.1 L+ e: T' ~6 z9 b
http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料); D7 _$ f  `3 x8 @( A. r2 y. |/ ~
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The German Bandmaschinen Forum thread.
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9 Z9 ~* m& i6 U* t/ m, phttp://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)! b7 y% A+ C5 `4 r6 c7 l* T0 W

% |8 h1 O, S/ u3 k. i% OGru�, Raymond+ j% A* y( Z) C' N$ U: _
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Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM - a7 s: h$ A4 u: ]( G( R  `
By: RODALCO
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Content:
, C0 \9 p" c! s$ B+ ~# Z  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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) E( {% x' T8 \' U* EI 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.4 a! c2 S7 \0 R8 e' s, T: _! @
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
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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) N6 I* e9 g, l  f4 I0 ?, e
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零件追蹤% e; A" K* s# i/ B' L
http://www.globalsemi.com/productdetails.aspx?itemno=875032100
; o9 x& f8 L' M7 M2 O. J39.99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, F( u, O- t$ R1 |
 楼主| 发表于 2012-1-4 12:59:13 | 显示全部楼层
谢谢!
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