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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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5 J' _4 T* l# P! z5 z( I/ J. b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。
, X3 _# }8 R) P控制转速的IC, SONY CX-032各脚电压值如图+ h, S: \4 `& U/ ]5 ^2 R/ ~
22-1.jpg
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是IC坏了还是其它问题?如坏了,求着IC一块。谢谢!& E# q* S" _" k7 t
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 * b9 A) l" ^+ r# m: c. A

2 V3 {& {9 J7 S1 j有人走過相同的路了
' e4 X7 E% z, A2 D摘自   Obsolete Media - Forum7 U8 S4 I1 [5 y  D  \

+ S9 Z) q$ M8 Xhttp://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025 6 |! [' {8 i# }6 U8 n% b% t  N
http://obsoletemedia.com/geeklog/forum/print.php?id=2025
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& w/ t; D) s/ ]/ l8 YChip CX-032B for Sony TC-558
! f4 y, N0 `. ^0 y! a$ [( kPosted on: June 16 2008 @ 01:43 PM
% Q8 u5 z  |5 C/ ^: _" nBy: RODALCO ! H3 X% R: \, V& S
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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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4 @% q- K/ c* |; B  jLuckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.
. x. ~5 ?& [* }A rare Sony turntable TTS 400 has the same chip used as well.9 z1 g+ s0 R% a  l$ [. n& o

  R$ g; ]4 h' @! ], iThe supllier on this link has the IC listed.9 s& _3 f. F+ h/ V8 J$ ]5 p& n
http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)% H) M, e8 O0 O" ]6 C' g6 k- d7 w. ^

+ c/ e$ r$ Q% pThe German Bandmaschinen Forum thread.
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http://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)# V& `2 ?( l% C
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Gru�, Raymond
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5 T, H5 g3 s* q5 o$ Q* eChip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM . u6 B9 N8 Y2 v# `- Y' g) S! j
By: RODALCO ( `  l; j4 w0 y  {/ t9 G

" D7 C0 `" i# M* q) B6 BContent:
7 ]. p) X4 x2 D2 p8 `4 k0 A<b>visitorj</b>, can you make a photo of the IC and the board please ? and the schema if you have it?# E2 H5 t+ D* h* l1 \" T3 T7 m
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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.
) J: l2 r' N( ?* o1 e' cThis will help all Sony R2R users in the near future as well as our machines age over time.
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Kind regards, Raymond0 ]8 ]2 i4 v" _
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% ?7 J+ z! v4 W+ [& U) a- @. x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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) N( Y6 {$ [7 [+ \1 ~3 ?8 f零件追蹤% h4 H$ v0 Z" R* I
http://www.globalsemi.com/productdetails.aspx?itemno=875032100
" s6 T) y1 z* B+ t9 Q% T39.99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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