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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 4 u, S' w& v8 M, `& @

) @& _& u* J' k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。
% ]0 ]: Z, z0 Q" Q, n- I控制转速的IC, SONY CX-032各脚电压值如图
8 \+ U3 F, M9 ?0 e1 ^ 22-1.jpg ; N: u: U1 z6 k
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是IC坏了还是其它问题?如坏了,求着IC一块。谢谢!3 D# c/ R8 k- {( B6 p, _7 u2 _- ?( J9 D
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 , K% m* G% X' F  A1 j+ T

0 H. {1 H* N0 @有人走過相同的路了1 _# {6 n% V- [! \% g3 Z' V, i
摘自   Obsolete Media - Forum/ \" N' u! D+ s
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http://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025
0 Y) i0 Z5 H# l5 F' w+ ]http://obsoletemedia.com/geeklog/forum/print.php?id=20251 U2 a/ l5 i) U# C4 S% W) [, R+ J$ H

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, X" s' m3 @7 Z7 @3 B8 T' zChip CX-032B for Sony TC-558
- d& W) S" n0 K) v2 o) iPosted on: June 16 2008 @ 01:43 PM . D. o( W' t  {9 u4 H: W
By: RODALCO ( o: B2 q! l" {3 ^5 _% i' x

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Hi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.7 {1 q' S1 X5 I* x

! u+ u- D) t  y& x/ M8 zLuckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.
0 v6 s8 ~% l8 W2 E! U+ AA rare Sony turntable TTS 400 has the same chip used as well.$ L( ?- E) B) K. O
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The supllier on this link has the IC listed.* m3 l; t; T& Z% L0 c
http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)! z  M% E7 o& |+ L+ s

& l0 [  Y4 B( iThe German Bandmaschinen Forum thread.- a- U8 Q$ ^7 u

( U1 l% L! N0 C' f* N$ z$ Yhttp://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)6 u' m) Z) v' A6 i  {' r. ^9 B1 {
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Gru�, Raymond
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Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM
1 I# g; M% Y1 ~$ ]4 D1 \By: RODALCO
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8 L1 Z$ Q4 O$ d  \6 S* ]Content:
8 X, j) G/ W+ t; i  G+ R<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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1 Y: M; _/ ~6 \) 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.- X# A# r' n$ m; \7 ^8 D
This will help all Sony R2R users in the near future as well as our machines age over time.
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Kind regards, Raymond
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  m. i! O' E& [有沒有用零件做出等效的主軸控制還要進一步追蹤9 P5 t- @0 B  U$ N: t7 F" J
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零件追蹤8 j) \* e3 J3 N' T2 T
http://www.globalsemi.com/productdetails.aspx?itemno=875032100- Q5 Q4 H$ X) H6 p1 n5 C2 e( l
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; t. k9 G. R6 ]" T" U8 }/ |
 楼主| 发表于 2012-1-4 12:59:13 | 显示全部楼层
谢谢!
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