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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   m6 \  I/ N3 y- N
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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。0 h, G9 P, }( f2 w: }
控制转速的IC, SONY CX-032各脚电压值如图
  ^- H: f7 j- G/ g  ^2 V0 H 22-1.jpg ; Q' }4 n/ _2 p. a6 G& b$ W

, E* f: \( Z) o+ q8 Z3 Z% _' v: D是IC坏了还是其它问题?如坏了,求着IC一块。谢谢!( Z4 m  }' J. J5 S+ N
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 Z8 i7 f9 G( Y1 ~有人走過相同的路了
' A. _& }" Q; a" y- O  D. D/ U. E5 p- d摘自   Obsolete Media - Forum: S4 u1 _7 ]' a0 B  D$ ^

% O- {+ w+ m% Y# D7 ^http://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025 . S2 x' j3 l0 d& A' f
http://obsoletemedia.com/geeklog/forum/print.php?id=2025
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+ j% _; t9 x5 `5 vChip CX-032B for Sony TC-558
# b; Q; l+ W0 |' s0 r; YPosted on: June 16 2008 @ 01:43 PM 8 i6 s9 F% P2 }. N) C* }- v
By: RODALCO
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Content:
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4 g8 V) h5 [" OHi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.: b" |. I; m6 y1 i+ y0 n' e7 z

  K8 X3 `$ n7 Z% o1 FLuckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.5 N8 l& l1 D, `$ W- ^# u. a8 A
A rare Sony turntable TTS 400 has the same chip used as well.$ y: w+ V! F/ ^. K
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The supllier on this link has the IC listed.0 K# O+ m6 ^$ _4 M/ G& ?
http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)
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8 j$ G! X/ x+ G2 \5 Y* nThe German Bandmaschinen Forum thread.; ]; R6 t( M: ~" O' j4 k
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http://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)6 J! c: `5 w  P: b; n
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Gru�, Raymond
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Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM : H8 @2 q/ S: S" \- O6 U# y+ n, ]
By: RODALCO
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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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& b  R9 \8 m5 ^, i% pI 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.
" s; {% d# d: UThis will help all Sony R2R users in the near future as well as our machines age over time." v0 T$ O# v4 X; |0 l
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Kind regards, Raymond. s0 m% L: p% {# n
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: b$ K) w4 m8 D' [' J& n5 w有沒有用零件做出等效的主軸控制還要進一步追蹤( w# M; b1 R2 C9 r: {3 |
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零件追蹤
- |, a- _9 u/ qhttp://www.globalsemi.com/productdetails.aspx?itemno=875032100$ S2 P4 d4 H2 P3 B0 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% s; a: ~+ v+ _% H: ~& y% V
 楼主| 发表于 2012-1-4 12:59:13 | 显示全部楼层
谢谢!
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