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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 $ F: T0 |9 D  C5 L" Z

1 m! I8 P( s) j7 L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。  B# N8 ~" p) S! v
控制转速的IC, SONY CX-032各脚电压值如图
* {/ t0 g& g- u( a" n& B3 s 22-1.jpg 4 m$ j5 w& M  b& ~6 Q2 r

" G9 L4 M. F: d是IC坏了还是其它问题?如坏了,求着IC一块。谢谢!* }1 H- i7 Q& K
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 9 g4 _3 Y4 {2 S3 d, K
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有人走過相同的路了
+ l9 y: M( v/ z2 ]8 P摘自   Obsolete Media - Forum; N1 u6 t) J& q/ x

& F6 w7 i. l( a( v4 i' |7 Ahttp://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025 ) O, J% W9 l; l0 b, _0 s
http://obsoletemedia.com/geeklog/forum/print.php?id=2025% o& R% z$ z2 J4 O! p1 v/ J
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Chip CX-032B for Sony TC-5584 @5 s# X; F. b! A* e
Posted on: June 16 2008 @ 01:43 PM 5 i3 I' ~. h# ?6 c/ D  X0 X
By: RODALCO ) D% q8 m; x3 R) E0 g3 m0 M, C
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Content:
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6 p0 Z  v; \. c* u. m' r4 iHi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.
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4 t1 }, Z; a7 C" v0 E7 v$ l2 rLuckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.
* ]$ y. ^# s. q/ g4 TA rare Sony turntable TTS 400 has the same chip used as well." N- l  U; T/ y. x' Z- J
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The supllier on this link has the IC listed.
" U5 o; T6 t5 A9 d1 ^5 F. X1 `http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)
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& f2 a% z! H2 b3 V- v( E% IThe German Bandmaschinen Forum thread.4 {4 N" N6 L  O6 M* K; r4 J/ r

) k" k5 m) o" V& }+ ]. [http://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)
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' F9 M' M: A* x: ~Gru�, Raymond* W5 p. W5 G# w( p" z  a

$ d, m- [1 i, sChip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM
! t. P1 R! Y0 y/ lBy: RODALCO
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Content: % y9 Y4 `6 ]1 Y) ?
<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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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.
3 E( f/ k2 q. W& J/ QThis will help all Sony R2R users in the near future as well as our machines age over time.( {7 X+ S. z2 Y
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Kind regards, Raymond# F& ]6 E% N& t, }

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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0 S) k4 q+ s* n, G" {
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, _. _% u8 m' ?. N" P" p: t零件追蹤
) k. F& G; \  Bhttp://www.globalsemi.com/productdetails.aspx?itemno=875032100
* b& [8 n' z6 |" P* k39.99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9 ~* d% F( M% u# z9 a  O, J, v
 楼主| 发表于 2012-1-4 12:59:13 | 显示全部楼层
谢谢!
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