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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 3 A/ H, p' h8 W, _5 s* e
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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 q9 L/ T! u3 T* T( ~% X/ U/ v
控制转速的IC, SONY CX-032各脚电压值如图2 ]& k# |5 T- u9 c
22-1.jpg - `: {, A9 ]! Q- n: i

0 f+ \9 U( P: y- H1 \! t- K* j5 f是IC坏了还是其它问题?如坏了,求着IC一块。谢谢!7 }, ^6 ^  Q. X, U2 H* t! l
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 1 V9 ~1 c! ^) L; d
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有人走過相同的路了
$ A/ a, h' _5 u( `' j摘自   Obsolete Media - Forum$ ?0 B1 C+ [& q- ?' E' K# V

9 q( g8 h: C4 ehttp://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025 , H* p: P0 Y1 o0 B
http://obsoletemedia.com/geeklog/forum/print.php?id=2025. d9 z" a2 ~+ j1 O
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Chip CX-032B for Sony TC-558  F4 }2 R; R* a* r5 [1 x$ l
Posted on: June 16 2008 @ 01:43 PM + [1 h' r/ \/ C/ D& P. z
By: RODALCO 9 p! n5 v1 p) D7 Z
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Content:
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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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' s  K1 W" ]4 ~7 {" v  D0 I7 kLuckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.
0 j* w- }' K' M) l4 t% X+ _A rare Sony turntable TTS 400 has the same chip used as well.8 M: ^3 s0 [- f0 S

' h. o3 U. Y; P; W) GThe supllier on this link has the IC listed.% ^! w6 a4 y* C3 D% M$ r. H2 E
http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)( h1 [7 m; |1 d* s& N

+ Q$ v; J) M4 }6 L  x: DThe German Bandmaschinen Forum thread.
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- f8 f# w$ Y" [  X! `http://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)' c6 U' W, Z' o. D7 F2 H

' N% H3 i* X7 u3 nGru�, Raymond, L" y) m+ ~; Y8 f

& [3 ~1 o7 g" }4 B1 iChip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM
5 ~" S; |* Z5 _7 C4 z  X- J5 _By: RODALCO & F1 h5 D) j* i) E
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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?
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' q  ?: X8 z/ ?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./ M! `* i+ T' w8 A8 p2 L! q
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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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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% f/ r! v6 E! C, H& e4 Vhttp://www.globalsemi.com/productdetails.aspx?itemno=875032100* ^3 m  F) m& i. [: t6 X$ E
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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