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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 / Q: E; E, K  n8 y

4 ?4 L0 I+ b+ E/ ]% z) [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。  m' i& q% [( }8 P
控制转速的IC, SONY CX-032各脚电压值如图6 w  }2 A# X( v( i# C0 |% _
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是IC坏了还是其它问题?如坏了,求着IC一块。谢谢!  z2 W- k( g! f3 z
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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* I% q4 D) o0 P# |有人走過相同的路了+ y4 e2 N% g' q2 y+ x
摘自   Obsolete Media - Forum
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http://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025 - d- t+ y& R" a+ l0 N
http://obsoletemedia.com/geeklog/forum/print.php?id=2025
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Chip CX-032B for Sony TC-558' `; |, c% h: T+ }* Y0 a
Posted on: June 16 2008 @ 01:43 PM - i0 C3 m& ?, T' T: l
By: RODALCO
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6 O- G' M; Q: D/ TContent:   l  O+ n1 U  V( r( I5 n# G# T/ _
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Hi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.
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Luckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.
7 t% T5 s8 g$ l8 _4 GA rare Sony turntable TTS 400 has the same chip used as well.7 b; ?; e% Y6 ]  U+ F

8 l8 z0 c' F# X1 z! l( GThe supllier on this link has the IC listed.
6 J8 N. A0 p) Rhttp://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)9 X9 l; T0 h% \9 N0 X

9 t6 I+ |4 K/ G" M0 _The German Bandmaschinen Forum thread.
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http://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)
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, f* L6 @, `/ H; x* u- J# B# {Gru�, Raymond8 N! T# |+ m) O2 p6 t- A5 T2 K2 _6 W

- ^" ?$ S; X: l* R5 f% a& HChip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM
# `- k5 I6 ]) ~5 Q9 bBy: RODALCO - W) U" F# `9 }1 T. O8 ]1 v- _

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! z4 u! k* u9 E<b>visitorj</b>, can you make a photo of the IC and the board please ? and the schema if you have it?; ]4 H5 _" g/ `8 N+ f1 i3 ]
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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.
! C4 |/ |: @. FThis will help all Sony R2R users in the near future as well as our machines age over time.( v- z2 C5 C6 ]6 |. |

( n( K3 ]/ h- n" T& bKind 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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0 J1 k& x9 ^& {# w9 `+ ]4 a零件追蹤* U( k% d; d# z6 D( [% T
http://www.globalsemi.com/productdetails.aspx?itemno=875032100
/ I  a! L. w( U* H4 B5 P4 E39.99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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