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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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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。3 m+ o$ o& G1 H( h; r+ f
控制转速的IC, SONY CX-032各脚电压值如图2 W7 U9 S- D$ R6 I% V
22-1.jpg
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% d* ]3 g9 \! S, y是IC坏了还是其它问题?如坏了,求着IC一块。谢谢!1 H; {# V8 c' L* G/ k  ]" j* ~  o
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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6 e9 a1 J7 T# ^4 `% |# ^有人走過相同的路了
1 L# b6 n1 I  m7 a摘自   Obsolete Media - Forum" O7 i5 F2 o% O4 n/ K& K$ L" R
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http://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025
* n- ]% @0 M& y2 rhttp://obsoletemedia.com/geeklog/forum/print.php?id=2025
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5 @! ?8 a6 r2 e1 GChip CX-032B for Sony TC-558
$ A4 u2 D/ E  h: W5 }7 J0 W) dPosted on: June 16 2008 @ 01:43 PM ( r) |, S+ v& \! O8 z% g
By: RODALCO
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Content:
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4 O- b) e+ C6 s# T/ [+ e9 U  EHi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.. N5 a0 H, y8 m1 [* _5 p. n
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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.
( x6 h5 z9 a9 [" Z/ vA rare Sony turntable TTS 400 has the same chip used as well.9 a% y( o( R$ [( ?7 @0 J

$ R  g' {; a8 _! c8 d# ZThe supllier on this link has the IC listed.
; m1 C0 m: M/ T- [http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)
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8 Y5 P, b" s0 E4 cThe German Bandmaschinen Forum thread.
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' M4 _9 d3 @6 B1 }, Chttp://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)) H2 g& D( D" k' K; Z# j

$ m: n6 I5 E" e. OGru�, Raymond
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  k# q, l0 T$ a. aChip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM 3 M3 G" b1 i/ _
By: RODALCO
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7 h( p/ J# {( N<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.% O1 I* U- S- I# Y% e7 v' X
This will help all Sony R2R users in the near future as well as our machines age over time.: ?' \& O5 _) |9 r
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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
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$ \9 S% W! Q+ |9 c2 }2 V零件追蹤
6 r! r) B1 K# [& e! phttp://www.globalsemi.com/productdetails.aspx?itemno=875032100
0 i( P( K3 m  F6 J8 w7 N39.99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: a2 e/ \6 l+ b9 N
 楼主| 发表于 2012-1-4 12:59:13 | 显示全部楼层
谢谢!
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