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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 8 d! }9 ]8 h( Q0 v+ M1 H
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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。2 a& s" O6 X! K  f! [+ a% ~
控制转速的IC, SONY CX-032各脚电压值如图: b# O- ?/ L5 u1 N4 }$ ]" P5 z6 C
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 $ J' F4 X$ D* V$ @! M

* ]. J& }! [1 V. L有人走過相同的路了5 g* \* A. W# a" N) e
摘自   Obsolete Media - Forum
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http://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025   y& m4 O. Z" V# n- n5 }
http://obsoletemedia.com/geeklog/forum/print.php?id=2025
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Chip CX-032B for Sony TC-558
" h, O# O7 ~7 u. c. h5 K; D/ uPosted on: June 16 2008 @ 01:43 PM 5 |" l8 H$ G) j0 ]/ t
By: RODALCO , S3 A: c9 }4 j8 O9 U
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Content:
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6 C' h$ P& e# eHi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.- V- C6 ?! p) t3 a
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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." E9 \" g% O$ M8 K( Y
A rare Sony turntable TTS 400 has the same chip used as well.5 `4 p8 _6 o8 l/ B1 m" ]; E7 Y% R& V

) p! q, W# Y$ V, n4 j5 q9 MThe supllier on this link has the IC listed.4 g) E0 x0 L$ B- G* n9 H% I
http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)
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- T( Q& B8 s8 F. r( e; l" d) w0 B1 ]The German Bandmaschinen Forum thread.5 N; v9 C( i9 k

; X* n7 \! w2 v6 F% n1 {+ I  E; Whttp://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)2 V  l' y; [1 [" c

6 p9 }+ I: y0 {2 R. g! Z. _Gru�, Raymond
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Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM * ~  y0 r% k% X$ J
By: RODALCO 4 h# Y: _8 r! ^2 d  ?7 j( e( _5 W6 d/ {
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Content:
& c) f0 D0 a) I<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.
. d4 N* c; p' pThis will help all Sony R2R users in the near future as well as our machines age over time." \7 A9 V" S/ P1 o2 R( B

, d' C' n  k1 A) V7 V$ E: u2 r/ t4 tKind regards, Raymond/ B3 `: c% b, F2 ~' V

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  q1 R! f3 ~5 |* Q; z& _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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: x- W5 ?1 `) u3 r4 L- ~" N零件追蹤
+ P( F+ i" [  |( H  Jhttp://www.globalsemi.com/productdetails.aspx?itemno=875032100& D- i! Q. H% j0 \
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8 d2 p2 ?  O! |- i  x
 楼主| 发表于 2012-1-4 12:59:13 | 显示全部楼层
谢谢!
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