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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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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。+ [, k" M3 T" K( y, k
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 ( u) `7 s8 |+ a% R5 {( N7 O

; B1 t3 j" e, y' C. M" K! d6 A' e5 b有人走過相同的路了. G3 i! l2 Q0 H, {
摘自   Obsolete Media - Forum
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http://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025 8 T  p7 i) r) l
http://obsoletemedia.com/geeklog/forum/print.php?id=2025
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2 T) i! g# {5 G/ v$ R$ {5 PChip CX-032B for Sony TC-558' |7 a: `, q! G- _( P6 o
Posted on: June 16 2008 @ 01:43 PM 5 u) V) Q2 t5 }( a0 Z$ _0 Q7 a! m( \$ A
By: RODALCO * ?+ K" a. Z( [* V  A8 Y2 d

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Hi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.
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& n; d* q' K4 L" V( O6 yLuckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.. [) t1 O9 N2 G2 \
A rare Sony turntable TTS 400 has the same chip used as well.$ U  p* M4 B9 o; L

; e/ o& u4 s( ?/ Z3 P/ V$ l5 oThe supllier on this link has the IC listed.
' l$ X2 o. A# Y( p( h0 _5 e! xhttp://www.prelcoparts.com/sony.pdf                                             (沒有相關資料): e5 q3 R( Y# {/ j0 T1 H& t
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The German Bandmaschinen Forum thread.
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http://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)
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* J5 P' O( K6 iGru�, Raymond
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Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM
4 |5 `2 z. I9 P* SBy: RODALCO
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Content:
2 c, M, W8 I5 c+ @<b>visitorj</b>, can you make a photo of the IC and the board please ? and the schema if you have it?/ }  C8 d% L( Y; I! W

2 r. m! I1 G+ K! jI 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 c0 Y7 z# |* a- J" pThis will help all Sony R2R users in the near future as well as our machines age over time.
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( d! T2 H3 O$ XKind regards, Raymond
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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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零件追蹤
0 U6 f  _3 U# C+ A4 W$ ehttp://www.globalsemi.com/productdetails.aspx?itemno=875032100+ K, d  ?6 G; z: x7 e
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' W! y: M- }( c8 P& B& ~% M6 v
 楼主| 发表于 2012-1-4 12:59:13 | 显示全部楼层
谢谢!
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