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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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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。! h8 b6 ^# S8 D+ |; }- }
控制转速的IC, SONY CX-032各脚电压值如图
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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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" i3 I( n: z' G1 t+ W! A有人走過相同的路了
, y3 ?6 M0 y7 D2 E摘自   Obsolete Media - Forum
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. _1 a+ q% U) Y0 @; d9 jhttp://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025
* ~: E# k* O/ r+ {  khttp://obsoletemedia.com/geeklog/forum/print.php?id=2025
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Chip CX-032B for Sony TC-5586 B7 s; F  [" i) D3 b6 M* [
Posted on: June 16 2008 @ 01:43 PM
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) z+ o, W$ `% e9 }Content: 2 v5 W7 B; x; F$ L8 A; l* c

1 c( [: [* [4 G! y3 r4 lHi, 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.
& u- Z! Q' m/ ]0 _* t5 w5 cA rare Sony turntable TTS 400 has the same chip used as well.
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The supllier on this link has the IC listed.9 h: e6 c! s8 V2 d" a3 u
http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)
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1 }3 b+ h* O. d1 k4 V1 x, I# k! hThe German Bandmaschinen Forum thread.4 I& O# I$ B$ B( l* g3 u2 `. B

2 R7 b0 `1 M, u, m& _0 r7 rhttp://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)
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Gru�, Raymond
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Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM
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, h% `- v# Y2 g- g/ b: e$ E$ _4 d& q<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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: n$ b' D" K* ]0 {0 AI 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.0 q9 N/ d! c$ l' c( H& }4 v
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# {* x) N, h9 U$ P7 \' K1 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
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( }; G+ y1 X! ~6 N3 Z零件追蹤
8 s; |$ p+ F9 q# m% t/ u) \. T+ Khttp://www.globalsemi.com/productdetails.aspx?itemno=875032100
6 c# [& F9 {2 G) j% @& x39.99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4 h/ d7 y! Q9 Q
 楼主| 发表于 2012-1-4 12:59:13 | 显示全部楼层
谢谢!
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