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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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+ d1 ~/ B3 Q$ |/ m/ O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。
! ~% Q' l: K" _8 A8 }控制转速的IC, SONY CX-032各脚电压值如图% n" g( v. o4 |' ~# o
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是IC坏了还是其它问题?如坏了,求着IC一块。谢谢!& F- J; T8 _; Y+ d
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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7 |" N7 \7 V. ~) V- E有人走過相同的路了
# ^: h& t) n9 C2 Z, M' E. B0 i" P% Y+ {摘自   Obsolete Media - Forum
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http://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025 3 X  V: W5 n$ V
http://obsoletemedia.com/geeklog/forum/print.php?id=2025
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Chip CX-032B for Sony TC-558( p( Q) Z! }4 s- E/ b/ @- \
Posted on: June 16 2008 @ 01:43 PM : Z' ~2 u# e8 S; _
By: RODALCO
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( _7 y1 o/ Z+ J, dContent:
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Hi, did a quick Google and found this link on a German Forum regarding the CX-032B chip." W' `7 M* G- W  R/ e$ L

8 X. ?% Z& b* pLuckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.
# R+ N4 B9 s8 w( @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.1 [( x; S: ?% E. `6 c, x% X
http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)
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The German Bandmaschinen Forum thread.
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# n5 z7 M$ i: G2 u  Dhttp://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)! O. R' w- f6 f) ]# R- K  Y
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Gru�, Raymond
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% l* H+ W2 U) C$ Z/ I. m1 X! ^Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM
& I0 t$ D$ F9 V. j3 jBy: RODALCO
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* h0 J; K- J9 r<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.* K8 l0 O, H2 {( s* K% u* F
This will help all Sony R2R users in the near future as well as our machines age over time.
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5 `9 X0 _6 @/ M* m! G  cKind regards, Raymond
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. B) ~2 j6 d$ s: y8 Q2 x' u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
& \1 V3 `: {$ I" rhttp://www.globalsemi.com/productdetails.aspx?itemno=875032100
1 v& P0 u& R8 `' _) I- d39.99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! \/ h% B  H% n" V
 楼主| 发表于 2012-1-4 12:59:13 | 显示全部楼层
谢谢!
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