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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 ' n: D1 W( U% p; g/ v

) h4 T" X" e" r, F; S. T- A- R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。" p$ J/ T5 I) G0 y
控制转速的IC, SONY CX-032各脚电压值如图- j4 u' }( a8 p8 H& N5 j
22-1.jpg 9 ?* i, m% S$ k9 m1 u0 ]
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是IC坏了还是其它问题?如坏了,求着IC一块。谢谢!, r6 Q  b0 q6 S% L5 y* ?- v
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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( k6 v( n! Z8 m9 }/ R8 g有人走過相同的路了
  S. d9 e6 E1 k' `# e& ^摘自   Obsolete Media - Forum
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http://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025
; r/ X# q) I* ~" F7 ]' Uhttp://obsoletemedia.com/geeklog/forum/print.php?id=2025
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- \: y: }6 ]) s% ?Chip CX-032B for Sony TC-558/ |1 W- c! a, g. C
Posted on: June 16 2008 @ 01:43 PM
" `1 i) F- I3 H9 Y$ d' QBy: RODALCO
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Content:
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0 |2 E2 W9 F& V1 _" U7 _7 hHi, did a quick Google and found this link on a German Forum regarding the CX-032B chip., p1 g: X: \( H
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Luckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.1 V7 U/ R/ T4 `7 \, ^
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.+ q& H% ~. T* V8 y% O
http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)
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The German Bandmaschinen Forum thread./ _( o$ o# q- _

- p! Y  I" t9 Q- _: \, Z. U( ghttp://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效): i, R5 K4 B3 T  N! l$ Y. W
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Gru�, Raymond
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Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM * C8 X8 r5 r3 O( H! l' ^$ l6 N
By: RODALCO 3 N" _8 y1 m& g/ J( K1 z" ]! n

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% \, I4 ~+ p9 k& _/ X* l- A# s; h* j* 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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, X& y7 |  ]+ ]' _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.- d' _. ?4 M0 Q: g
This will help all Sony R2R users in the near future as well as our machines age over time.
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Kind regards, Raymond' v$ ?% S' z1 x, c( b" r- g% B
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7 ^/ K7 y# q7 r0 o有沒有用零件做出等效的主軸控制還要進一步追蹤; h8 B- O& w8 a8 Z, j

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零件追蹤+ `, {( T- ~* _( B3 c
http://www.globalsemi.com/productdetails.aspx?itemno=875032100
9 J% m6 F3 }6 n$ u, }: @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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