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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 2 |, h5 s" e1 @3 Z0 \5 K
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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。
  _8 F# K2 v5 |" m. e9 a/ D控制转速的IC, SONY CX-032各脚电压值如图) L) F  `. A9 F& ]$ I$ b: y
22-1.jpg 5 y. F3 q# z# g

4 V3 @" I9 m% ~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 7 M% k, T+ `$ Y$ Q+ Q8 Q( D4 T
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有人走過相同的路了$ ~6 b  Q; n9 c3 s' b
摘自   Obsolete Media - Forum
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" Z0 S$ z% k0 [" g# }http://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025
+ q3 w. ~6 v# I- b" i- \http://obsoletemedia.com/geeklog/forum/print.php?id=2025) S2 L8 m/ u( s- ^6 u, u
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Chip CX-032B for Sony TC-558; @" y1 }/ B- @) A3 r  S5 e
Posted on: June 16 2008 @ 01:43 PM 0 O& k, I: l4 l+ p( m3 [$ g
By: RODALCO 4 q( l: ^7 Z( d' B' l

0 t7 p$ M8 u, j' L& d; ZContent: ; V1 e% M: Z0 H1 m/ S
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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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1 K- x: z& Q" NLuckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.
5 a* u  f: r+ g& n4 k+ t! k- qA 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.) j+ r& s3 p0 L& F3 D9 L. O( s
http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)
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1 o. G! I3 v2 O, |' N# I' AThe German Bandmaschinen Forum thread.
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1 v, H- I8 P6 c5 G0 F7 Lhttp://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)
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Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM 5 x  g) ~: j9 w! t( i2 u' B
By: RODALCO
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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?+ f  a; K2 p; W4 r

, `: V+ t$ K0 T; z% fI 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.  k; J8 R& c. s( X$ |
This will help all Sony R2R users in the near future as well as our machines age over time., R) K& E# L8 p4 m
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Kind regards, Raymond7 Z$ b7 C( G; g8 n2 z3 c
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" _3 F0 m0 F0 h; p) g- |+ f有沒有用零件做出等效的主軸控制還要進一步追蹤% }) ^; Z' l1 l' J4 T

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7 f6 T) B, M7 A/ X$ r零件追蹤
! B- Q/ B% B; L% Y1 {+ y: a) }http://www.globalsemi.com/productdetails.aspx?itemno=875032100% T' t  w4 q' r2 O% [9 H* I
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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