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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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3 w- m7 X/ C1 N( j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。
6 g6 N9 s. Z! U+ j3 B控制转速的IC, SONY CX-032各脚电压值如图
! S; B( P, O  H  I* H( w 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!; D- H6 ]) R5 Z$ @
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
! @+ U* u* B9 y. K9 k6 _3 B/ d摘自   Obsolete Media - Forum
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http://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025
* p7 n/ e! \! k* ^  J/ P0 p1 phttp://obsoletemedia.com/geeklog/forum/print.php?id=20250 u! s4 d+ ]/ e& P" y+ C

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Chip CX-032B for Sony TC-558
: q2 Z6 _0 @$ r6 m( x" kPosted on: June 16 2008 @ 01:43 PM
% o! G( X9 |/ z# EBy: RODALCO
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Content:
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% K$ D5 R) ^$ T2 fHi, 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.
4 _( ~% P0 n  g+ ZA rare Sony turntable TTS 400 has the same chip used as well.7 s! ?1 v4 `$ k) G# v. u4 R4 o
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The supllier on this link has the IC listed.
1 H/ b9 Q  ]! f1 S8 M; y3 dhttp://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)! K! z( w  }7 K2 O$ j) N& T
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The German Bandmaschinen Forum thread.6 a0 W+ {9 b' T' n
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http://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)- R9 P$ b( Y! C# z; s4 K

9 v7 W- z9 U1 X, F' R4 rGru�, Raymond# h" Q8 ^7 R$ B) @" i

8 P: Z& e! M2 g% XChip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM ; t, o* d, ~3 b7 v" v% T1 ^$ o) L
By: RODALCO 2 W2 s# h; ]  G0 {& R
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<b>visitorj</b>, can you make a photo of the IC and the board please ? and the schema if you have it?" C$ S  \% C4 J) |8 Z

. e! N! j- S& f0 N2 ZI 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.* l- O1 M6 f  t3 g
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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: F8 x6 n2 @9 y有沒有用零件做出等效的主軸控制還要進一步追蹤& x6 D$ D& p  ?: D; P

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零件追蹤
% Y& b( T' g; w! E: H( H; S( Nhttp://www.globalsemi.com/productdetails.aspx?itemno=875032100
4 M) c4 B: }( r5 g6 m$ @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3 V1 U$ S# {( A6 R4 F8 E
 楼主| 发表于 2012-1-4 12:59:13 | 显示全部楼层
谢谢!
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