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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 0 U: y$ F& f- M; G4 s( s- b
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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。7 o: V) o# _+ `1 N- E3 c4 m
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
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. T* N) W4 \) w$ Q% L( @8 @有人走過相同的路了- z6 S: X2 p) c6 o9 W4 l
摘自   Obsolete Media - Forum
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http://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025
/ B1 V- l$ T7 L; A( u" s/ c* Dhttp://obsoletemedia.com/geeklog/forum/print.php?id=2025
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Chip CX-032B for Sony TC-558& F" R8 L' B& E3 D
Posted on: June 16 2008 @ 01:43 PM ( w% s( z( C2 b0 k! M5 X" a
By: RODALCO
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Content:
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+ k  S; k) d6 A, bHi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.- ]# B7 _9 f$ M. r

* @) C8 j3 Q# W5 ]* ?. Y  ^Luckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.
; T% D3 N5 W  D, [7 ^: hA rare Sony turntable TTS 400 has the same chip used as well.  M. x* K9 Y* q6 h: w& L$ C7 g) @

8 ?, V' D9 m( k' e: c( Y* m- e  i" vThe supllier on this link has the IC listed.
" T" l$ X  k* }http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)) A: p$ {& \5 r9 z9 D- t. X
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The German Bandmaschinen Forum thread.6 V$ Z% F2 J* j; q

1 h) c% \( a+ K+ F+ `" Zhttp://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)9 `7 S; `  F* V$ h/ _

1 c7 D6 v6 C9 k, b; h0 G$ BGru�, Raymond
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Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM , s9 X' R: H8 L0 l" A2 _% Z, d5 Y, ]
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?# |! s+ x5 l" ]! P

: e! }' n% k  n$ P9 f1 G( t# 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.  o9 Q9 W9 f. b* X3 B
This will help all Sony R2R users in the near future as well as our machines age over time.
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0 ~4 B; z. N5 W* SKind regards, Raymond3 O; z& b9 [; }6 @" _4 v
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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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1 H2 q* K2 l  U& X( a. K零件追蹤
  S( k+ }6 P6 l4 ~1 [- Qhttp://www.globalsemi.com/productdetails.aspx?itemno=875032100
5 U4 [' ?' x4 \4 E1 F: P* M39.99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" z2 @8 N& A3 W# C/ {
 楼主| 发表于 2012-1-4 12:59:13 | 显示全部楼层
谢谢!
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