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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。0 t& j* Y; a( l: ?: G4 D: O4 x
控制转速的IC, SONY CX-032各脚电压值如图' ]+ I0 ?, S' r8 \/ h$ r0 C
22-1.jpg $ K, J6 ^" q; C
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是IC坏了还是其它问题?如坏了,求着IC一块。谢谢!8 B( k5 T/ }# i  i0 n) f1 @% s5 @
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 . t' z$ |* G* [9 }2 X1 O8 V
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有人走過相同的路了
# y" ?* b2 r& \$ l) ~7 l摘自   Obsolete Media - Forum  Q0 K- ~7 V7 K" ~

6 ]4 h$ l& @1 ~6 I2 z1 o. {1 [% uhttp://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025
, }9 o% V% O( y6 xhttp://obsoletemedia.com/geeklog/forum/print.php?id=2025
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1 N1 T, G$ R3 G  I$ qChip CX-032B for Sony TC-558
2 o$ Z, i; Z. g- i6 U" S0 \0 q2 dPosted on: June 16 2008 @ 01:43 PM
, d  t; ]' d% G- s. C# ^- vBy: RODALCO
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, W0 P/ [" ~& X9 E: _6 ~0 MContent:
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0 l3 f1 s1 t  p. E& xHi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.* t3 G8 u! N! H+ F& D. A5 E1 W+ `; d

' }" V  {$ T4 X& e- V/ eLuckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip., @% r/ ^+ L2 n& M
A rare Sony turntable TTS 400 has the same chip used as well.
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- u/ a1 D* T8 B( k- ^" z6 BThe supllier on this link has the IC listed.
4 z2 F  X1 X/ `% Q4 hhttp://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)+ z0 a# S3 Q; R8 N& l

* f2 h& ^  C- x) n6 @: f% SThe German Bandmaschinen Forum thread." x; r1 l, I, a& n0 @0 i2 V9 _

, h( J& G9 p  v' ~) Zhttp://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)6 t/ e, o" e$ I) \
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Gru�, Raymond
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9 M' K) o+ Y& O- KChip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM 4 k% e7 {. y% S) h! M& X
By: RODALCO , k- ^+ f/ Q8 @9 T; E

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9 z. D% Q8 }) A0 c<b>visitorj</b>, can you make a photo of the IC and the board please ? and the schema if you have it?' B8 K3 `. u! e/ I" N0 K$ _
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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.- C. N8 _) B% v$ G
This will help all Sony R2R users in the near future as well as our machines age over time.3 k% }) T/ h0 J& ~
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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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1 h7 c) _/ o' e0 R) v( Q零件追蹤
* T( h8 _7 M) ^. P5 M- r5 ehttp://www.globalsemi.com/productdetails.aspx?itemno=875032100
& t6 C9 [- F& Z* a7 S39.99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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