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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 8 O1 W' e" k' ?6 y9 S

6 D0 o; B3 V3 z0 ^- P: K! U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。
0 k4 m. E6 n, u; w: u. o控制转速的IC, SONY CX-032各脚电压值如图! Z8 I8 z! L9 \* q! F" ^- m+ p
22-1.jpg
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+ ^8 H0 N6 [- e0 L+ A: ]' p是IC坏了还是其它问题?如坏了,求着IC一块。谢谢!) V2 z. V8 U% w: t0 o& u
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 $ }% i) z( M0 w: v1 ^/ n3 a
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有人走過相同的路了
  T2 o0 m1 I; m2 X摘自   Obsolete Media - Forum
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0 v/ P7 p" X4 D" ghttp://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025 6 J2 Y  i( N; z% J+ X, Q
http://obsoletemedia.com/geeklog/forum/print.php?id=2025
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Chip CX-032B for Sony TC-558' {6 p/ S  i3 z) d0 A3 i, B0 `
Posted on: June 16 2008 @ 01:43 PM
  c  p5 p" }) L- d+ E7 HBy: RODALCO
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Content:
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3 Y; ^! U, S- THi, 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.
  K' w8 Y3 U- ?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.# q& o  P$ c5 J) s
http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)' H+ @/ D" s3 O- K" v2 d
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The German Bandmaschinen Forum thread.  D  ?9 B, _( z+ L7 J
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http://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)" B; S* Y' [* F1 T2 y
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Gru�, Raymond
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Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM
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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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( U* r( X' A( I/ o& V( [4 X: _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.9 z9 F4 Q4 {' O* @+ h8 I' e
This will help all Sony R2R users in the near future as well as our machines age over time.& Y1 ~1 l# p+ z3 t" ]  _

1 Y# O8 S* `2 g4 N8 O8 J) _* m3 W& kKind regards, Raymond! i- U" O. s# u
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* L2 G6 ?5 Z1 F. M$ y, e4 R/ I有沒有用零件做出等效的主軸控制還要進一步追蹤3 c+ v' [! n  u6 v7 s2 n

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' k2 f2 a- F  h3 {0 P3 i零件追蹤4 u+ y: C3 X0 _8 q
http://www.globalsemi.com/productdetails.aspx?itemno=875032100
" G/ V/ s* t! ?3 b6 }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; ]( Q8 C2 f: g% H( c
 楼主| 发表于 2012-1-4 12:59:13 | 显示全部楼层
谢谢!
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