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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 $ }' T$ W! L$ t4 z# ?. A
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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。+ V7 m9 M7 d* w  t  s
控制转速的IC, SONY CX-032各脚电压值如图* X+ l1 G) G2 {
22-1.jpg " J) S4 D+ n7 h# ]9 w3 ?( B- g4 g

. z0 A) {' e( d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 4 V) Q  ~3 U% f( H, e: n
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有人走過相同的路了
9 ]5 _, ~; A8 j* Z, O: d摘自   Obsolete Media - Forum
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http://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025 + R: Y3 o) p* B
http://obsoletemedia.com/geeklog/forum/print.php?id=2025/ k3 s1 b: y! M7 S6 r4 I) Y, N

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9 t0 k( m% P6 I4 A( GChip CX-032B for Sony TC-558
9 w% o+ f- H  B$ d: ?/ E2 ZPosted on: June 16 2008 @ 01:43 PM 9 [5 ]9 B% L8 W' J
By: RODALCO " J% L( o' A1 L! L7 e

5 Y# L4 t$ z& w. yContent: 5 J/ X4 s7 A. T; O

& Q+ m; x% i9 R  S( P' S2 T. zHi, 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.
9 l$ H+ u# Y$ `4 p9 S+ W2 Y7 YA rare Sony turntable TTS 400 has the same chip used as well.
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' C$ x/ `8 _1 e) A, aThe supllier on this link has the IC listed.
" {; [* r' I8 p2 w' Bhttp://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)3 u  |7 F0 A! e

. r; q, i3 k# [( J( g: g' iThe German Bandmaschinen Forum thread.
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http://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)
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Gru�, Raymond
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2 z1 H' J, P2 u1 ~( JChip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM
( X0 q/ [8 ^6 T3 u# D3 e( BBy: RODALCO $ o. v3 u3 ?5 X* M; I# P

6 T, U2 ^. i# O7 @Content:
- r- e7 a  g1 I) q, A<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% T% n; D  |7 ?0 l- }: e& fI 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.- I0 G1 a, z! [
This will help all Sony R2R users in the near future as well as our machines age over time.+ S- N1 W8 D* Y8 z8 E" O. C$ x

9 w7 e& _( z3 t  l" }Kind regards, Raymond; t) {/ [0 u( @+ F# r: c6 x* N
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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: `! J7 R7 s+ Y" q' J

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零件追蹤2 u, x; ]( K3 ?+ R0 `6 U
http://www.globalsemi.com/productdetails.aspx?itemno=875032100  E+ A2 g9 Y# a# ^- u* q! ?- T7 h
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/ B2 G/ A0 F1 o- j: k) X9 _
 楼主| 发表于 2012-1-4 12:59:13 | 显示全部楼层
谢谢!
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