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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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. {& _, C% p5 o: u4 @( ?2 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。+ `; u5 U" L; w9 F
控制转速的IC, SONY CX-032各脚电压值如图7 ]6 `% i8 k, d5 D% v
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是IC坏了还是其它问题?如坏了,求着IC一块。谢谢!; Z8 M0 O( \5 Q( [/ m+ J" Y$ ~; A
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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; J. d% R/ D& D! ?* _有人走過相同的路了! X* j+ C- {+ @3 O1 y. ~$ M
摘自   Obsolete Media - Forum
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: M  g0 M; t( }! chttp://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025 7 v1 s& ?8 U7 @3 }" j+ e2 M! E
http://obsoletemedia.com/geeklog/forum/print.php?id=2025
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8 z# \, n8 a- S' Q$ e* N! E# ?Chip CX-032B for Sony TC-558& Y' G: T0 Y. O
Posted on: June 16 2008 @ 01:43 PM * f- w* ]2 g/ L# T% ~, Z
By: RODALCO
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8 p! T1 e3 V5 tContent:
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! |2 e% w( u/ [5 J" yHi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.
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# P/ }. Y" D2 B( m8 V* BLuckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.) Y# z* h5 h. N0 ]* K
A rare Sony turntable TTS 400 has the same chip used as well.8 x& z" e4 I! @. D6 a

0 w( z- G1 N. L# Y7 OThe supllier on this link has the IC listed.. \# v0 Z9 y3 L3 B4 K1 `- i* v' h
http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)
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9 X6 C& e) i) T; JThe German Bandmaschinen Forum thread.
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http://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效). W8 d& g" P& [" w) ~6 W$ ]+ u
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Gru�, Raymond- @" i% V/ V; m8 M& Y, K, D; m
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Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM 8 z) A3 C# `& {/ ~4 w5 J( J
By: RODALCO
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8 E" @1 d% x1 s4 u# U! X0 DContent:
4 a( n  L) j, C! U0 \7 N3 @/ o<b>visitorj</b>, can you make a photo of the IC and the board please ? and the schema if you have it?1 P8 m2 d! m- y" D5 Z
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I 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.
8 D% n: [( f9 J2 Z% T! N: ^; mThis 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0 W1 u8 ?( Y% E& B; I
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& G7 X0 ]2 ?" I零件追蹤
: g: U9 n) T% r) J6 Ahttp://www.globalsemi.com/productdetails.aspx?itemno=875032100) |+ j$ V& Y3 V; F7 b
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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