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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 , b( @  X# b: \5 J% ]4 v
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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。
& z6 @$ X) z# ~2 o* W& w9 }' f控制转速的IC, SONY CX-032各脚电压值如图6 n; c$ w7 B$ \. S( ~1 Q! `
22-1.jpg
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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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3 f# Q6 d# T- y# T8 ~; K" c( i有人走過相同的路了. M1 b& d% d; y/ I9 B
摘自   Obsolete Media - Forum
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0 U4 G- E1 F4 x. K0 Jhttp://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025 ' ^' ?2 D2 x. \
http://obsoletemedia.com/geeklog/forum/print.php?id=2025  \4 C; F+ c2 c$ J

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2 `! c7 d: R3 C2 g1 C+ }; QChip CX-032B for Sony TC-5585 \6 x" L- h/ u# Y0 z
Posted on: June 16 2008 @ 01:43 PM
5 T- {& u$ R2 G# w" t* Y1 D2 j4 nBy: RODALCO
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Content:
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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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1 P2 G& C' M# m3 I% P! RLuckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.
9 \" [6 n: M, a5 E% L  J  @$ J, `A rare Sony turntable TTS 400 has the same chip used as well., p/ S# e  ^( e/ L

5 N- ?* h( t7 F* @The supllier on this link has the IC listed.3 G4 Y/ j2 m: S- T* \
http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)
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The German Bandmaschinen Forum thread.6 k' s+ q6 y3 P2 G$ I# {# O

- o2 S7 o  o# J  `5 g* khttp://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)) H( b/ L. \  w

9 e7 \- a5 I: x4 S$ yGru�, Raymond
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Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM
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<b>visitorj</b>, can you make a photo of the IC and the board please ? and the schema if you have it?/ E- A# `5 G# o, w! g6 }/ Y* C

/ @3 Z. d- J7 A- ]. w8 l' ?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.- L: O- t$ I& b' A
This will help all Sony R2R users in the near future as well as our machines age over time.# s3 O! Y; \0 |

! a, `$ p/ {- k" ~" gKind regards, Raymond+ L- a) E9 Y+ `6 c
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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5 ?5 v* c) y; [
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http://www.globalsemi.com/productdetails.aspx?itemno=875032100
9 ?, D7 ]$ g8 H39.99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6 @. L3 p+ V1 _5 m* _: ~" z
 楼主| 发表于 2012-1-4 12:59:13 | 显示全部楼层
谢谢!
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