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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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/ P* v  ~6 u' c) x! {* i3 ~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。1 l5 }; R/ Z' H5 e9 n
控制转速的IC, SONY CX-032各脚电压值如图
8 n: J! a) r" G# t) v; l; ]+ c 22-1.jpg
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/ ?' F- d# x. g( o$ [) b3 E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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! [0 P5 ^7 L! w  g9 Q' x有人走過相同的路了$ h% z% a- z8 F7 k. _5 t
摘自   Obsolete Media - Forum' q6 H- Y( y+ Q: j& ^4 Z$ D% E1 C6 s
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http://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025 + l9 E/ v" F- `! ?  N
http://obsoletemedia.com/geeklog/forum/print.php?id=2025) C/ b, w& k4 n4 {

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; |. U5 e9 d. J6 X0 w: vChip CX-032B for Sony TC-558
. n/ l" {1 Z" J0 E1 {- x9 d* uPosted on: June 16 2008 @ 01:43 PM
+ v2 \: k+ K% U. JBy: RODALCO
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Hi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.8 N6 \, g/ _( T0 j) V! B5 ]
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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.
5 S& f' s  q' V: P, FA rare Sony turntable TTS 400 has the same chip used as well.6 V3 [" C' Z, g. J5 [) s* t
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The supllier on this link has the IC listed.6 I1 N# F& G/ I7 J* f
http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)& g7 N/ G) V( A) j! {- }
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The German Bandmaschinen Forum thread./ `; w6 |. U; c4 j" \3 k$ R
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http://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)
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3 G# Q7 Q3 e( R; o) gGru�, Raymond
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Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM / ?4 k) L. D4 A
By: RODALCO : t0 F3 }( O7 e) H( K* q
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Content:
2 B- x9 H$ }  j/ ~5 @6 x5 k% E<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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: H2 l5 ?5 v- ?; r1 _( R7 FI 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.+ L! E, ~) q3 N! a3 i; ^; F
This will help all Sony R2R users in the near future as well as our machines age over time.1 X9 u: w, l8 Y' ?0 T6 {
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Kind regards, Raymond# ^% q* I' L6 n0 W
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: Q% C( s* @2 K( H有沒有用零件做出等效的主軸控制還要進一步追蹤- o; ]7 y) \& k* W! Q( P6 X4 Q
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零件追蹤
9 {8 D6 a# \) ghttp://www.globalsemi.com/productdetails.aspx?itemno=875032100
$ p- ], ?/ o. X3 u! @9 _0 z39.99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; N! L4 I9 [6 U( j
 楼主| 发表于 2012-1-4 12:59:13 | 显示全部楼层
谢谢!
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