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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 # b1 U3 E% `1 p5 w3 ]

9 h$ D) L2 o3 ~9 a# J0 x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。
% a9 ~: I/ I, U6 ]. Q" T  Y* V( e0 Q% H控制转速的IC, SONY CX-032各脚电压值如图5 g, H$ Q3 M8 Z0 X' d9 m% J6 c
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( `4 z$ S8 y5 \5 j5 u! J是IC坏了还是其它问题?如坏了,求着IC一块。谢谢!2 n; e4 @$ s6 \" N6 C
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 1 i5 |+ [% _8 s& B5 g9 V
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有人走過相同的路了' x+ N- A, }& p- ~. ^
摘自   Obsolete Media - Forum5 v$ |8 d* |; x9 c6 k

0 z& W! o- m6 d2 ~( d$ Thttp://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025   ?; q! c# A% f7 o+ O0 P, v0 ]
http://obsoletemedia.com/geeklog/forum/print.php?id=2025
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7 i6 V# u/ z& aChip CX-032B for Sony TC-558- M+ L: p# u) h. i6 ~" f
Posted on: June 16 2008 @ 01:43 PM ! ]% ~; ?3 L; r, v
By: RODALCO : O2 ?1 c, W+ b% N8 n- ~5 x  Y/ W
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Content:
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" q2 r* P/ I/ |! Z& c) f- G+ CHi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.7 J9 `! {5 F" |6 m4 J

$ f9 F* [* T4 u0 d; \Luckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.
, D& P; e, ^, o+ M9 p$ S- G- ~8 KA rare Sony turntable TTS 400 has the same chip used as well.) X) y) ^( Z3 N8 o9 ]: j) n9 H4 U
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The supllier on this link has the IC listed.  @8 f- `6 z+ L9 N9 h4 m
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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Gru�, Raymond7 g6 e( Q2 S6 u+ F9 }% f

. d; B5 H; P6 S: X. dChip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM
) R$ j: o* }9 ZBy: RODALCO
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: O7 c, Q. Y$ ]' B0 H4 tContent:
1 m" y, c8 j5 q/ }6 V+ \<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' u- p1 S" |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.
- M' E: W7 {: R; k' B+ @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
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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! I. s1 u) [: {/ p. V0 x3 ]5 s. U
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; `# Z" K, L1 n3 P. K% u/ U9 k零件追蹤
1 l$ ~4 h  `( i3 k' _0 O4 D% Khttp://www.globalsemi.com/productdetails.aspx?itemno=875032100+ M+ F2 {% z& L( V0 e. c
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/ m8 a4 |7 z' S/ k2 G
 楼主| 发表于 2012-1-4 12:59:13 | 显示全部楼层
谢谢!
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