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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 & B+ u3 D  R. {5 d0 z5 V8 L* r1 `
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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。
! M) B# W9 p. @5 B7 L8 m3 E$ u0 P0 G5 Y控制转速的IC, SONY CX-032各脚电压值如图
2 a0 k0 [% t- U6 \/ k 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!
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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
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有人走過相同的路了
! L) t6 q% P* _, w4 ?摘自   Obsolete Media - Forum
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http://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025
' o7 |- T2 k: S  A8 E7 qhttp://obsoletemedia.com/geeklog/forum/print.php?id=2025
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Chip CX-032B for Sony TC-558' e- M. s5 a* P  P: P
Posted on: June 16 2008 @ 01:43 PM : m* r: X3 a1 V& y- u% c: e1 b, P
By: RODALCO
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Hi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.1 X1 I" z7 @1 @4 z6 m

1 S4 w, H& @  g7 r+ e2 U3 ILuckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.
; ~. r* w+ @( ~, d0 |A rare Sony turntable TTS 400 has the same chip used as well.
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; ]( A" W% h) c  A6 f8 HThe supllier on this link has the IC listed.
5 x. c8 D% q$ L1 j8 `2 uhttp://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)
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The German Bandmaschinen Forum thread.
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9 R: V/ `% L* l, ^$ f0 p2 m4 o$ whttp://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)
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2 G. L% e$ p& ^  s9 l7 bGru�, Raymond6 t% Y7 A4 p& W1 X2 r9 p$ I% E

6 H  K: X5 u$ z3 b0 F2 F/ _Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM 0 y" F' M2 ?/ q
By: RODALCO ( v! f& J* U3 v, j, I& R
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Content:
& }* x( S& C3 \7 Q. f/ C7 I" R<b>visitorj</b>, can you make a photo of the IC and the board please ? and the schema if you have it?$ J( C1 ?" R" ~4 m! i4 j, S+ @
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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 v. ^/ V( h+ n8 ~" e5 x6 q
This will help all Sony R2R users in the near future as well as our machines age over time.' _  A- i5 y% P
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Kind regards, Raymond2 b; |3 N+ h/ c4 M: ]) u3 d9 b6 U
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/ b9 C3 g2 }/ G有沒有用零件做出等效的主軸控制還要進一步追蹤7 A' ~1 Q- z) G; n0 `& K
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/ G% r7 `0 d9 W: S6 q# D  C零件追蹤
; [  d, j" P; n+ Z4 a# jhttp://www.globalsemi.com/productdetails.aspx?itemno=875032100- S5 K0 J) l; D7 s8 L
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% ~( y/ h" A. G$ Q& s% X; w
 楼主| 发表于 2012-1-4 12:59:13 | 显示全部楼层
谢谢!
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