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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。
, ^1 J' t% s7 G$ _控制转速的IC, SONY CX-032各脚电压值如图
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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
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% M3 {" h% k, a7 g有人走過相同的路了( p  R$ H1 [4 T& t5 I7 L
摘自   Obsolete Media - Forum5 ~  U- d' W# n! H
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http://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025 " E' `7 @2 i& t  ^3 C
http://obsoletemedia.com/geeklog/forum/print.php?id=20252 [- N+ }% v! q  i" [) l7 m
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& Q3 X! p  ?! k, L  T5 U4 ?Chip CX-032B for Sony TC-558% L& X' ^6 T4 l2 N
Posted on: June 16 2008 @ 01:43 PM * j) `3 [) z! |- w  e; S9 K' h0 q7 j
By: RODALCO 7 X/ V2 H9 h3 i+ a9 C4 l, u
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Content: ; M. E- C8 D4 r, t
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Hi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.
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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.
# ^% P1 ?# p7 V! P' RA rare Sony turntable TTS 400 has the same chip used as well./ Q+ K. G: u; F* _( n
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The supllier on this link has the IC listed.
* E5 H  ~' D, rhttp://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)
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The German Bandmaschinen Forum thread.
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http://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)0 g6 |! B' P5 O& y7 V* w. V

1 G" J# s& j- W: \Gru�, Raymond
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& Z# J1 _0 f9 }8 w8 I$ T1 {Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM
  F9 U1 q* b2 K5 ?+ X9 l4 T$ RBy: RODALCO
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<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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" _9 |0 o5 _, t3 _% H/ k9 @; M" LI 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.# z( a0 U4 p# h2 Z' w  i
This will help all Sony R2R users in the near future as well as our machines age over time.; T% C2 T4 ]; f0 w6 n

7 f. _; k- E+ I) Y- m9 cKind regards, Raymond2 C7 i  X  R) C* [$ R( N# `

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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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- G9 R' ?; i/ H+ ?; v) P! `% n零件追蹤
9 r+ I" i& G% v/ M  Z/ }http://www.globalsemi.com/productdetails.aspx?itemno=875032100
6 f: C: q) L4 Y8 E; b39.99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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