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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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% n1 }# K0 p  Z) K( q. l: F7 s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。
" Y" b  w3 W, q, k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 . X# M( R/ v/ R; f% K
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有人走過相同的路了
# A/ a% k* G' k# e1 r* X! z) l摘自   Obsolete Media - Forum
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. Y) e# S6 R: j' L& c; O. vhttp://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025
- i; ^) B" F1 d! U: n; [http://obsoletemedia.com/geeklog/forum/print.php?id=2025# _# O3 t$ p, D
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( h3 Z3 c6 R, K' TChip CX-032B for Sony TC-558# [! |3 ?9 Y& D' n* Q: K* `* D
Posted on: June 16 2008 @ 01:43 PM 2 C  ^6 M$ c# a5 p) h- I( X1 z) J2 ?
By: RODALCO $ \- B( t  J3 K+ M* n
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Content:
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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.
. w/ J' ]6 ]* x5 V1 R6 ~3 e+ T2 C- KA rare Sony turntable TTS 400 has the same chip used as well.) a6 o' E% }! n4 {+ X+ y, b& }

' r" |" R8 q! |$ I$ SThe supllier on this link has the IC listed.7 ~7 x$ ^; w" @: O) Q2 k3 i1 V
http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)
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! _, ?) [; u+ r. Q& l' {6 wThe German Bandmaschinen Forum thread.& s& L3 ]; |: t$ d8 l: _; T

) }/ G, m9 x0 o/ v% Lhttp://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)
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7 ]) \5 u7 r! R4 m! PGru�, Raymond5 o6 s$ E  r, i9 O2 g, H

/ R$ X6 n& B7 z9 U# f2 p  G( t- DChip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM
% q6 y0 j# N3 `: G0 EBy: RODALCO 9 A. k& o3 p, g9 I1 w! `! B% \
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Content:
; g+ `5 _  q# |7 S' n4 R9 A$ u& Z<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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) `' G, Z3 o- G6 F' @- V' kI 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.
0 n. L( Y  S. ?0 ZThis will help all Sony R2R users in the near future as well as our machines age over time.+ X# l) _$ p8 T% }
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Kind regards, Raymond" ~8 G/ j$ d9 K+ l. b) k; C

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. D* ?/ s% k8 V/ C5 M" X有沒有用零件做出等效的主軸控制還要進一步追蹤' Y% Y+ a3 i4 V2 b& e6 ~+ z
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' s& P7 V& k, n. u1 E零件追蹤4 l5 {$ @( {) ~- F# @$ K; C& X, V
http://www.globalsemi.com/productdetails.aspx?itemno=8750321009 E( `) W0 z' C2 m" ?' T* V
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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