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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 ! j" A1 Z: v3 c8 E* K  h; x( t& g
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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。9 g2 D: |1 M9 n. c- B+ f
控制转速的IC, SONY CX-032各脚电压值如图
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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 9 G. z+ B9 a) Z2 ?' z# W
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有人走過相同的路了1 ]0 `6 M" N, l" ~5 h
摘自   Obsolete Media - Forum
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http://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025
2 _& E* U( R' B! l8 |" }9 Shttp://obsoletemedia.com/geeklog/forum/print.php?id=2025
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Chip CX-032B for Sony TC-558
' e( e$ P  C* ?3 }! `8 Q8 oPosted on: June 16 2008 @ 01:43 PM
2 ]3 S1 D& n- [6 e! \By: RODALCO 6 q3 p( ~2 a2 v; A
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Content: 5 D" M1 p0 c0 ^2 O) b7 A6 v
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Hi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.1 O; b& N9 s0 B! \! }

: I7 ?/ V3 |; _# K! F) [* xLuckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.% m- {" k- g2 O' j6 D- \) [) \% V
A rare Sony turntable TTS 400 has the same chip used as well., f& t) k5 U5 l3 f& G

, u; w) `, N/ `- @4 VThe supllier on this link has the IC listed.
* W* e  M8 H9 m5 p: Ohttp://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)
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The German Bandmaschinen Forum thread.
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http://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)/ b  V- D/ ]  w7 P

% ], |0 @4 H" Z6 n3 IGru�, Raymond- k4 E5 [5 ]* o

2 \$ D1 r/ z# W% i" w; a6 [! Q" R5 SChip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM ' {! N5 s) G7 }8 }" }9 \
By: RODALCO 7 B- ]: H9 v/ ?" ~

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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?- j8 B- c- Y: y& @+ {5 |

; w, M* ]" @. wI 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.
  i. o. T1 S. }% A2 PThis will help all Sony R2R users in the near future as well as our machines age over time.& [. R$ T/ x8 Q

* U6 H0 u$ t3 I& i; x" `! BKind regards, Raymond
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8 d$ B0 k) t5 v. E9 Q6 t7 n: m: E. p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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' }. B, H5 l/ ]/ _" c零件追蹤: q# y8 \3 W- Y9 A. Y2 @8 E
http://www.globalsemi.com/productdetails.aspx?itemno=875032100) Z# |7 k% W2 r" @9 q
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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