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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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( t) f1 u: G: C" r! G+ \4 D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。
) o/ G3 {  k; y: i0 |" n控制转速的IC, SONY CX-032各脚电压值如图$ q: p% Y( I- f
22-1.jpg
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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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) k9 u  [- s& K有人走過相同的路了, |2 H: ]6 k: y( P- G0 D
摘自   Obsolete Media - Forum
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. ]9 o: w$ S* V+ ]" {) whttp://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025 2 T# X/ U# Y/ m/ R6 g$ d
http://obsoletemedia.com/geeklog/forum/print.php?id=2025# ?: o# }  y. C2 u  r- L5 u

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3 u, d6 v' b* F2 j/ vChip CX-032B for Sony TC-5589 P: L0 n" ]/ O5 x2 |
Posted on: June 16 2008 @ 01:43 PM
, x  H. e9 M  T, X3 y0 R( tBy: RODALCO
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: i- p$ {- |9 n% ?/ k* [: kContent: ' y; z* \6 c0 k2 ?  }) M; r8 h, m4 w

: v6 i" R: W- P# i4 t9 EHi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.
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3 H6 V+ @- X5 ILuckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.
' s1 J% J% f7 RA rare Sony turntable TTS 400 has the same chip used as well.4 k7 d- O$ ^9 V3 q( `. `

7 N3 N. x* n: Y! d: ZThe supllier on this link has the IC listed.% \0 }4 }3 o, U  K6 I
http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)9 V( R8 x# m7 N

% I/ U3 T) e/ _4 f+ YThe German Bandmaschinen Forum thread., ?" U1 o2 c: M+ Y
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http://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)
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: O! R* ~2 g0 y  e/ ]+ bGru�, Raymond
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$ {# z& g& ]) |1 w3 `; Q' oChip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM 1 U+ F$ ~8 ?4 I2 K: A# `! u
By: RODALCO
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  p) i+ V: s3 t5 Z4 jContent:
9 B% G( J( I/ a7 U<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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" R) B5 Q/ G0 ]0 QI 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.2 P! c# h  l" a0 |/ R
This will help all Sony R2R users in the near future as well as our machines age over time.# G6 @% O2 A& f

7 [5 `- X$ G7 }' \Kind 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# |2 ?: A$ k: |* X4 b* G

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. M$ D& H( m6 M: K% ^  F) x& M零件追蹤; {( H# }( N4 ~1 x9 h
http://www.globalsemi.com/productdetails.aspx?itemno=8750321003 z* x( n. ]8 }' X
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
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 楼主| 发表于 2012-1-4 12:59:13 | 显示全部楼层
谢谢!
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