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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 3 H! K. f0 \' B7 `7 i$ q

8 G  t  {' N6 P( x  Q5 D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。
' Q/ H5 f: W* i' Q- |7 N控制转速的IC, SONY CX-032各脚电压值如图
. R; g! d: x) v; l 22-1.jpg
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6 E: Y1 F3 K0 a$ v7 M0 U: U: |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 ( M4 u% _0 Y* M+ a6 u! g% x6 _4 v

- L" S$ }1 I$ S. `有人走過相同的路了- z; ~) `; ~. o+ J9 q' M2 K, N8 u
摘自   Obsolete Media - Forum" v8 X& g. N% l) |0 B
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http://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025 4 O( u  |8 @, R0 ~
http://obsoletemedia.com/geeklog/forum/print.php?id=2025
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- B, u. e, `& qChip CX-032B for Sony TC-558' b! }9 e6 E( F
Posted on: June 16 2008 @ 01:43 PM
( m- ^, C) ?6 d+ u0 JBy: RODALCO " b9 o' b) l: o, j5 k
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Content: + T+ R0 m/ [$ L* x  i

7 Q2 H# g& l& u9 cHi, 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.
* I8 F1 U% X1 `A rare Sony turntable TTS 400 has the same chip used as well.5 ]% `1 X0 M. M( N
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The supllier on this link has the IC listed.
5 N# ^  f% K1 T8 p! Dhttp://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)
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; }0 m: |! g2 d8 jThe German Bandmaschinen Forum thread.
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' o- S9 Q7 {! s# B* d# uhttp://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)7 x' }2 \$ u" g

0 v3 M* b) k) l' ]. `& d- J9 bGru�, Raymond  @  i# g3 |. y7 q% B

6 G, t" j, X* y, XChip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM
% Z/ v) d# F0 r% m  L0 [) w# nBy: RODALCO
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& P+ D7 c, v3 S+ iContent: 2 ~( U8 Q  |+ Z- L3 U6 b8 G$ _
<b>visitorj</b>, can you make a photo of the IC and the board please ? and the schema if you have it?7 D2 Z# v9 B" f( l' o! C

9 Y1 u3 D. ]6 u/ y4 N5 U1 |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.* b. V% C/ f$ Z
This will help all Sony R2R users in the near future as well as our machines age over time.! [0 B5 W- c( a+ f# j- O  T
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Kind regards, Raymond  x+ @: k) T) B: ?5 F( M* \( Q

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* |& }- \, V0 X; q- @% X. M; U! 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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+ l5 T+ J' u  X1 p零件追蹤
  d4 s6 v1 a6 c* V- ghttp://www.globalsemi.com/productdetails.aspx?itemno=875032100
8 |  ?8 T  N9 Z  R39.99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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