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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 ) i7 N6 R! K% S, m! v
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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。; }4 M! l! \$ R9 |! b
控制转速的IC, SONY CX-032各脚电压值如图; B; a/ p( Z2 [" |: o" t3 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!0 v7 o! _1 r6 l6 F
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   c8 @7 k; b+ f1 a& q
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有人走過相同的路了
) [, D* w# H3 }' X摘自   Obsolete Media - Forum
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http://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025
) H) `9 g: x8 `* f9 ]http://obsoletemedia.com/geeklog/forum/print.php?id=2025
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Chip CX-032B for Sony TC-558
3 {4 N1 a& ]+ e% zPosted on: June 16 2008 @ 01:43 PM 9 P6 g7 c" e; _
By: RODALCO , w$ u% H7 `3 s# R" U  ^  K
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Content:
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! @0 t$ w  |2 Q; [( WHi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.; }& `8 v! x1 k$ d8 w

1 L! l; I7 G/ KLuckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.0 o: E/ [4 X3 z6 s
A rare Sony turntable TTS 400 has the same chip used as well.
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7 N! C% i2 |" `- z  Z7 ?The supllier on this link has the IC listed.
( @" j3 H7 |/ r& P. Chttp://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)- D3 @, ]: T6 Q1 ^7 Q

& X$ x+ p! w* {3 X$ LThe German Bandmaschinen Forum thread.* Y  J# Q5 k3 Q/ V% q- H

6 |# o! \8 ^2 F% w$ I- ~, b  o) E( _http://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)9 F: v0 s4 e: h0 s8 i- H: I! s
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Gru�, Raymond
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/ }, C/ w; v3 }, ^7 AChip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM " P/ p& Y2 y7 v' H) D/ v
By: RODALCO 6 H0 Q0 A# r( Y+ w

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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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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.. r2 o/ @! c  G  ?2 P2 o
This will help all Sony R2R users in the near future as well as our machines age over time.! g- B/ K  N0 h7 u: U
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Kind regards, Raymond+ F  F  `6 {9 n6 p2 G( k
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' E/ T+ n. ^+ P1 Q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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零件追蹤# ?3 o! i. \9 R2 g9 M
http://www.globalsemi.com/productdetails.aspx?itemno=8750321002 P) C. V" \: k  j! Z3 @. Q2 ^$ z
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" O. N# {/ s5 L+ I
 楼主| 发表于 2012-1-4 12:59:13 | 显示全部楼层
谢谢!
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