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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 $ z! Z0 E# X2 X# i: q' }; M
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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。$ f5 O# m: Y* x, T
控制转速的IC, SONY CX-032各脚电压值如图5 T9 r; |% d. i" f! M
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是IC坏了还是其它问题?如坏了,求着IC一块。谢谢!/ I' c2 P) N4 d0 M; K* n
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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5 q7 A) Z8 w; C" O有人走過相同的路了& ]4 b1 o  @, Z" N# }8 H
摘自   Obsolete Media - Forum- p4 m) K1 q0 v$ e* @9 {

' N9 n! w& o7 A. t9 fhttp://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025
9 N% ~2 |/ k3 ]& q( _http://obsoletemedia.com/geeklog/forum/print.php?id=2025( m5 T  e' K% _
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Chip CX-032B for Sony TC-558
- {" I9 I4 A1 U( s" {8 b8 VPosted on: June 16 2008 @ 01:43 PM 9 W) s8 y* E9 v: a
By: RODALCO
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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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- N7 m  a, N( f8 oLuckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.5 P9 |! j9 L$ l2 U6 f
A rare Sony turntable TTS 400 has the same chip used as well.5 u; X+ ?( E) n0 }* [; T8 g3 i

! y- N: u) c' \+ ?) y& UThe supllier on this link has the IC listed.
  @, A8 k5 m+ ~* B3 I8 qhttp://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)" j1 E' L7 |1 f5 J

( I+ q9 h* M  }+ B5 g. aThe German Bandmaschinen Forum thread.5 F' z( g  Y* k0 `+ t0 m
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http://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)
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% L1 Q& r5 m: s  l! CGru�, Raymond# n$ Y1 f" B- j  O2 ]
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Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM ; w6 ]& K" T2 s+ d  a# a8 z9 T6 a
By: RODALCO + h: Z! V( m3 L+ g2 F
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Content:
4 Z9 a/ d; o- d3 x* C+ B<b>visitorj</b>, can you make a photo of the IC and the board please ? and the schema if you have it?7 J) i8 e8 W4 F( s: ?4 d8 c+ m) @. r

% j3 V) x- `( L" X& W# a# e2 VI 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.
% y5 x# T7 G* C: P  n. GThis will help all Sony R2R users in the near future as well as our machines age over time.2 E; G$ Y' z+ b  I2 a) M  S
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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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http://www.globalsemi.com/productdetails.aspx?itemno=875032100& ^  X  D- z$ G* c, C+ `. \! `- 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
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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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