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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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$ C/ O/ j3 R( y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。! f4 D2 q. t, x! X$ @% O' V- N; A
控制转速的IC, SONY CX-032各脚电压值如图5 }, R- g2 k. f# S  ?2 |
22-1.jpg 2 |" a! @' Y5 u+ H

) M# p) R2 m# r: w& T7 K5 d是IC坏了还是其它问题?如坏了,求着IC一块。谢谢!& Z" V' s6 K( i# D& o6 G/ |
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 - F# E& Z" s$ N6 a
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有人走過相同的路了
4 L& j& L' @- ?9 N$ }摘自   Obsolete Media - Forum, A" s9 X' M2 J/ g& s

$ g$ k$ h8 b1 i$ j5 }http://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025 ' z. z! k" G1 F$ j% v
http://obsoletemedia.com/geeklog/forum/print.php?id=2025
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: s  t1 f2 v: {! T- JChip CX-032B for Sony TC-558
% }# U- Y; I2 K" ?" J3 Y4 GPosted on: June 16 2008 @ 01:43 PM
8 p5 a: |0 G- j  J2 ?, F; L; D- WBy: RODALCO
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! p7 @, B2 Q/ @+ p4 {Content:   F9 \) h9 X* U4 I. ?$ B

2 Y( n8 m  `# z3 h8 r; ?Hi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.7 H. N! G( Y  G) A; k

( ?9 h4 F% |( wLuckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.( X) v, q/ ?  t/ N# }* s3 o
A rare Sony turntable TTS 400 has the same chip used as well.
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6 ?5 F9 C+ }( @. x! K, wThe supllier on this link has the IC listed.. o$ t2 h# h. x; p: h
http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)
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6 p$ H) B, L& M$ n# y3 v# }The German Bandmaschinen Forum thread.
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: m4 S$ n/ \, {http://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)! `  |3 s2 F: Z1 I. C

) t8 G: s4 j5 [Gru�, Raymond  C: j/ o$ K: Z, p
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Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM
- c& X1 B, E1 wBy: RODALCO
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Content:
2 f7 J3 }0 ]2 B. O; s<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.
! x2 \& v1 P: q( kThis will help all Sony R2R users in the near future as well as our machines age over time.2 e% r. w# |1 l1 }5 ?2 B# G, A8 Y3 V
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Kind regards, Raymond) c6 D+ `# q. p( Y! C, v9 f
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$ ?, P9 c* D: i8 F' v4 S" S3 O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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2 Y- R( E* h$ F& m; g- ^4 T零件追蹤
! S2 S& Q, N, N7 w: a2 bhttp://www.globalsemi.com/productdetails.aspx?itemno=875032100
8 f. h' R6 C1 m4 \$ \, n' ]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- `9 b7 T8 s# P/ F0 S
 楼主| 发表于 2012-1-4 12:59:13 | 显示全部楼层
谢谢!
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