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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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0 H! X+ l  x( p8 x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。' N$ B% R. I+ m+ L! O, h
控制转速的IC, SONY CX-032各脚电压值如图  e* l/ U' q3 s  V) N0 W0 q
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!
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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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1 S% V$ R. Y5 z  @! |7 I" ~$ J有人走過相同的路了0 m- ~: k" f& C
摘自   Obsolete Media - Forum
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4 h* r0 R% `  Q) f. }http://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025 3 D5 X  {' `* X9 P/ l
http://obsoletemedia.com/geeklog/forum/print.php?id=2025. _" l6 ]9 l, e" b0 M. R5 \
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6 q2 }* S/ m3 C( DChip CX-032B for Sony TC-558
% U; @+ I3 ?  N0 S- K1 x, Q* @7 YPosted on: June 16 2008 @ 01:43 PM
! f! r2 t6 C. S& yBy: RODALCO 2 |3 z6 [# m7 b3 ^! S0 o
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Content:
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, Q# J( R% T9 u1 A! o$ {2 p8 ~% E* f% v# dHi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.
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8 t5 e" \  l1 f. j4 V% wLuckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.
/ k8 g: r# V6 C  M+ IA rare Sony turntable TTS 400 has the same chip used as well.- {4 n+ ~; D, k, i7 Y
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The supllier on this link has the IC listed.
8 e! _2 ^2 H, q5 \& |7 v5 Dhttp://www.prelcoparts.com/sony.pdf                                             (沒有相關資料). v6 w9 Q+ V' }. b

3 T. g0 z% l$ f! X$ cThe German Bandmaschinen Forum thread.
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1 Y( c& l' c' {9 Hhttp://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)! N! j8 e6 G/ H. |$ W% D
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Gru�, Raymond! `; W* H% R0 ?" G* N4 f0 D  _
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Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM 1 j3 Y2 h3 a5 c, X" F
By: RODALCO ( U: c8 k" d8 K% b
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Content: ) T0 G$ y1 _9 o/ n1 ^
<b>visitorj</b>, can you make a photo of the IC and the board please ? and the schema if you have it?. j! e3 R+ G2 z% o

% ]% v6 j& R, m1 `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., h0 K( F. I. n* T7 U8 L# l. H
This will help all Sony R2R users in the near future as well as our machines age over time.
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+ w; n0 s2 f! x$ {* \& YKind 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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零件追蹤! S- v( F; h& {* t& Z. U
http://www.globalsemi.com/productdetails.aspx?itemno=875032100
" g2 ]' L8 k/ N: o5 v8 E39.99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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