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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 $ B! k9 Y; }$ E  N

3 J7 r( j: L7 m% i$ w$ k4 c' H9 M! X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( i3 }. h. f% p& ]
控制转速的IC, SONY CX-032各脚电压值如图
2 b2 K: \6 c9 G9 c* U) e 22-1.jpg - M  g& q5 r7 s; a# k

7 j% @+ ~/ r& S2 G* N3 m( q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 & b  q! y+ n$ l8 H+ k

4 h; ]# m$ q9 X7 i, y/ o$ y有人走過相同的路了5 t/ P3 J1 Y* ?1 d' l5 h
摘自   Obsolete Media - Forum
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$ ?) E! I9 v2 K" G" G, I4 R2 rhttp://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025
/ y" @2 ?) q, ~$ M* E2 ]7 Rhttp://obsoletemedia.com/geeklog/forum/print.php?id=2025
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Chip CX-032B for Sony TC-558/ p3 H+ g! _& Z1 s  \+ D
Posted on: June 16 2008 @ 01:43 PM 4 u5 ^& k$ X- }
By: RODALCO
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( \& N5 h! D; r+ W0 V; }Content: / E" `/ V! g" r- [! C% r- `

, e9 Y3 a4 @% hHi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.
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$ ^* S# v  F" ~" ]1 aLuckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.
/ C2 `6 D: h& u1 w9 P1 d. [A rare Sony turntable TTS 400 has the same chip used as well.! Q2 `, R( k* u; E( _( k+ m- v8 d

/ D( i- \( k( L- @The supllier on this link has the IC listed.# M: }# ~) }# y
http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)
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6 {# }# n( @0 n1 X7 k( {The German Bandmaschinen Forum thread.$ B' o) y, y8 f; q0 W, W7 \

! Q' @" m' d( ~http://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)) j' c% Q# @  P6 g4 Q' Q

$ A( c" j1 q, G) f/ B1 S7 F- vGru�, Raymond
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Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM / P9 k/ V& Z6 ^+ e
By: RODALCO
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Content: 7 b9 V. N5 \. z, I
<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.. A% {  }0 v# f6 N* ~6 f4 I
This will help all Sony R2R users in the near future as well as our machines age over time.2 v& ~: ~& h6 x2 S0 f/ {. U

0 I, X) |- Y+ b' ?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0 k- Z* _: E: u! T
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0 Y" F8 i- O; T零件追蹤: {1 {# w$ n) m3 r
http://www.globalsemi.com/productdetails.aspx?itemno=875032100
& |* @! Q% U: b$ k# s& c39.99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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