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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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, t* S" }, M4 R( f+ r3 W8 L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。7 J4 _3 m/ `3 @7 m4 {
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 + L5 @  b2 s3 U) Z% w" a9 j6 c! S
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有人走過相同的路了5 f0 N2 a! @2 Q8 \
摘自   Obsolete Media - Forum
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% Z% D% w# \5 K0 }http://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025 : \6 w* G4 y8 X9 ^, D' V
http://obsoletemedia.com/geeklog/forum/print.php?id=2025
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% S* _, t/ U/ n# a" O2 NChip CX-032B for Sony TC-558
4 H. w/ v( L) @0 QPosted on: June 16 2008 @ 01:43 PM
) @: {. D, o8 {5 WBy: RODALCO
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+ L3 D8 Y. c  U& {Content: 5 }& L4 N- `! `5 y5 h. B1 b7 K
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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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, u( m  h) [, {* GLuckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.
, `! q8 ~! r) {8 S4 U7 E  KA 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.0 {3 G8 r0 v2 q5 B3 a; F  _
http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)
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5 y7 [- {: E; D1 G- T5 Q, \+ t+ fThe German Bandmaschinen Forum thread.6 q6 F0 i* D0 O* V* \

7 h1 }! |% `" d# l# J7 A3 s! Fhttp://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)$ W: W+ w% L# o
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Gru�, Raymond9 v; z8 J( V  k" L

6 l) v6 r2 A& x; X* t5 F. vChip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM
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Content:
: y9 _! }0 x: d) F$ B' x6 a5 p<b>visitorj</b>, can you make a photo of the IC and the board please ? and the schema if you have it?" ~9 d8 {, L. m5 u7 a. X. m8 \

; J# l# h' Y4 g3 |2 E: [' e5 G7 ]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.9 A: O6 g+ n  `' R% r5 n8 f
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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, p  i' F2 S3 ~2 z有沒有用零件做出等效的主軸控制還要進一步追蹤# s+ N. N1 Q! ~; V6 C' h; v
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零件追蹤6 u+ F* S4 Y0 Z" C( D& z
http://www.globalsemi.com/productdetails.aspx?itemno=875032100% J6 q9 r- G% {4 D) U
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& k; a7 B) S% L# Q/ _) ~! b/ Q
 楼主| 发表于 2012-1-4 12:59:13 | 显示全部楼层
谢谢!
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