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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 + A4 [4 O' n" r* b5 O' |

9 J2 o6 f* L% M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, X2 t# ^( Q  i0 X控制转速的IC, SONY CX-032各脚电压值如图
$ p7 G5 a' I3 k+ @ 22-1.jpg
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* @% o' i4 N0 h4 ~$ b7 q是IC坏了还是其它问题?如坏了,求着IC一块。谢谢!
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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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- c6 S2 ]( m3 y有人走過相同的路了
* o2 B) y! J5 ]1 D' h8 d& e8 _摘自   Obsolete Media - Forum
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http://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025
( u5 j6 j5 C5 @! V% V- Z! F$ Nhttp://obsoletemedia.com/geeklog/forum/print.php?id=2025% ]$ I0 ?% C7 Y' V! b( m# s8 s" a+ @

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Chip CX-032B for Sony TC-558- Q' O3 k0 r) x5 _. i& ?# C6 t/ o7 v
Posted on: June 16 2008 @ 01:43 PM # ^" w+ T# n: t
By: RODALCO
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4 H) k  u3 ?# [Content: 0 W' Q5 i% x1 r; p/ [+ C

; k( K% @: j; E1 ~  QHi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.* x3 Z3 i' G1 ]# @
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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.  W, ^7 D% I( ]" z
A rare Sony turntable TTS 400 has the same chip used as well.5 o. y4 D* p7 V: Q% X. j* N7 r, h

: C- u# f" @' B6 ^The supllier on this link has the IC listed.; h" k; u. \5 a8 G, E/ \" C
http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)
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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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1 G+ v9 A1 p" I. o- Y, WGru�, Raymond9 F( g9 x* T& v8 s6 Y$ |6 o6 H
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Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM 4 b7 k& H  b* `- s$ }! p
By: RODALCO
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Content:
% z- r/ v- Q  q8 I& L7 K( X<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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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.1 V- P" O# X  V$ t7 J
This will help all Sony R2R users in the near future as well as our machines age over time.8 `' l. }7 U9 @3 c# _4 X6 ~0 O
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Kind regards, Raymond
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+ Q+ _2 H* x1 Y5 v, \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
) N7 a( ?9 m0 ohttp://www.globalsemi.com/productdetails.aspx?itemno=875032100! H  Q, N8 y* m6 a
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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