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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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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。
, Q; ~* @9 x* n8 j控制转速的IC, SONY CX-032各脚电压值如图( o+ x) `' j; a/ y
22-1.jpg 2 u; A- j4 e% x  z

- ~; c: ]! Q/ x4 H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 }0 C' L8 ~0 p; [5 s; X5 [0 n$ ^

- t: M' u! e- r# i: y/ _4 X/ O有人走過相同的路了
' i  }* {6 z0 x( d" R* S摘自   Obsolete Media - Forum% z7 q/ Y8 Z4 }% g1 H% _2 t

1 N" d, b1 d& vhttp://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025
% E" q% h* B9 F5 G+ y/ O9 |1 p! W/ s+ ehttp://obsoletemedia.com/geeklog/forum/print.php?id=20255 v6 c8 Z; E* J/ S- X
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6 \: \# ~* q( ?/ IChip CX-032B for Sony TC-558
6 W% M1 [) p! J0 z3 h, |0 R! N& CPosted on: June 16 2008 @ 01:43 PM + u6 M# d: H, B, P% \$ ]
By: RODALCO   N9 q4 p4 H; _0 i2 m6 H& U
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Content: 8 o& W3 |6 k( Y5 @: }

  `3 \6 J# r/ ?; M  iHi, 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.
- [" a/ E& x' h' {& R! T, x* [) @- k8 m' }A 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.$ `  d" U9 @8 ^4 d4 q1 J
http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)- }0 A4 M$ ?, q0 i6 o# H2 ?4 u

% X# m2 Q$ T4 g# _" UThe German Bandmaschinen Forum thread.
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http://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)) w* y5 g+ Q6 w* G$ @) ~

, W9 j: O" [: Z2 y0 t+ n2 {Gru�, Raymond
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3 d% ]5 k" n# M9 d# ]2 R' `4 ?Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM % a$ q" J/ V, A6 [  g
By: RODALCO
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) K" S% @1 W( ]1 }; k/ OContent:
8 ~$ J% B' p( d, _3 y<b>visitorj</b>, can you make a photo of the IC and the board please ? and the schema if you have it?/ F* L, x) [' f# H/ G, 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.0 k. j0 ~6 ?9 L. `
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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8 Z0 G- G" E* m) ]有沒有用零件做出等效的主軸控制還要進一步追蹤& l, M% R3 c7 i: i

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零件追蹤
$ p- @7 p) G' D' Q- p% ehttp://www.globalsemi.com/productdetails.aspx?itemno=875032100
# C$ t$ |, o* c% C  r$ @. n6 w8 p39.99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4 Z) H7 [. o, Z( M
 楼主| 发表于 2012-1-4 12:59:13 | 显示全部楼层
谢谢!
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