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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 , Z; O$ M+ g/ w. g% c
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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。
3 a( @8 ?9 k9 Q% _控制转速的IC, SONY CX-032各脚电压值如图) G+ `" w, f, k9 `! r: b
22-1.jpg
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5 W3 O2 z: I% C+ N3 `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 * }- B! N: p7 O! k/ I" s
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有人走過相同的路了
: D) |+ o+ S0 K! p& W% P' x摘自   Obsolete Media - Forum
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6 f+ f0 ?7 A. m5 Fhttp://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025
: Q6 S/ _7 F9 j) P% M# Q) U2 ~http://obsoletemedia.com/geeklog/forum/print.php?id=20254 |  d# l' X8 i( K! }" e

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- ~, e( U. E3 R% \Chip CX-032B for Sony TC-5581 z* m  R. h6 g6 F# B
Posted on: June 16 2008 @ 01:43 PM 8 W9 M: r& C4 ]: D8 e! l: P/ L4 {
By: RODALCO
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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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* {; `+ w: ?! I5 H4 M1 }, `# Q; Z6 YLuckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.
4 M4 y+ z. c# a8 R; ^A rare Sony turntable TTS 400 has the same chip used as well.
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4 D2 W! E4 `* o8 Z7 O$ J, X8 UThe supllier on this link has the IC listed.
* F, V8 G" G6 a; U- P' \http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)
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The German Bandmaschinen Forum thread.+ k$ d" x1 X3 f
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http://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)9 f/ \7 A+ f: ?! {
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Gru�, Raymond
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8 \2 ]9 c* q2 c$ `' A/ YChip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM 5 w  p* @. b7 Y
By: RODALCO : Z6 f: q7 W$ h, R! n
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Content:
& Z' X# C; I' u8 T' i& \<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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( ~& h' N3 p% u7 e$ WI 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.
+ g/ `5 L6 u$ I7 O9 IThis will help all Sony R2R users in the near future as well as our machines age over time.
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% E2 a! D$ B, v( {* ~8 n2 |5 nKind regards, Raymond
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" R+ X- b6 h. O' J( `: x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
# S% x6 Y1 `# @& chttp://www.globalsemi.com/productdetails.aspx?itemno=875032100$ y& N3 D1 V" G5 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1 L- `! a% B0 d$ q% B9 y* ?
 楼主| 发表于 2012-1-4 12:59:13 | 显示全部楼层
谢谢!
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