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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。
! u' n+ m+ F4 |( _) U8 Y, G+ B控制转速的IC, SONY CX-032各脚电压值如图0 ?# W4 {" l' e* V0 m
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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有人走過相同的路了
; n! c8 }' `$ c! Z摘自   Obsolete Media - Forum# e" F1 U" c3 m

1 G- h4 c$ ?% _: Khttp://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025
7 x9 M: m( J) _: mhttp://obsoletemedia.com/geeklog/forum/print.php?id=2025
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Chip CX-032B for Sony TC-558
3 Y& _% P' i0 h7 P+ s) SPosted on: June 16 2008 @ 01:43 PM " i- M* S* m6 D0 N5 L
By: RODALCO 9 T& ~1 L4 D, J

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5 ~- C9 ~$ o2 A, X' _: dHi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.
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. T' p" J$ l, X8 Y& G5 j1 qLuckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.. R5 x% n$ _9 f% ]: T6 R
A rare Sony turntable TTS 400 has the same chip used as well." L/ G2 g0 r: E, M9 f: ^, T
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The supllier on this link has the IC listed.
$ l/ z) t: v) n! ^http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)+ w# Z6 y6 @0 l( l. p' _$ i" ]) M
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The German Bandmaschinen Forum thread.
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$ [8 T' n) S' ^4 ~: z* Z# @9 j! y( Nhttp://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)% t& o! V8 q2 w5 J0 E# a- f) a# p

3 f2 J4 c+ U! P! OGru�, Raymond0 m) \: h- o4 I, ~$ ^% b- L' N5 @
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Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM
% ]/ o$ ?0 W: e9 U1 uBy: RODALCO , m1 A+ {5 g7 R6 p7 {. t
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Content:
3 Q  q4 o% F; B; w; M7 w: 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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, R% V/ N' J  O( Y. O# BI 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.
& S) \6 l' q% j8 a5 UThis will help all Sony R2R users in the near future as well as our machines age over time.. K! a+ Z3 E& r$ J- C
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Kind regards, Raymond
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+ c4 P2 y3 G8 g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  Q1 Y$ K# g, _+ y1 ^- _
http://www.globalsemi.com/productdetails.aspx?itemno=8750321005 T4 N: l! I  l, q4 o1 d/ Z- \. B1 s8 J
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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