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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
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3 Q- s$ C( }* S3 {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。
$ K2 |( g2 n1 a控制转速的IC, SONY CX-032各脚电压值如图
7 @2 r. O) l9 Y 22-1.jpg * I3 T$ O, C4 H% X' a* ^5 V! d9 U4 E
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是IC坏了还是其它问题?如坏了,求着IC一块。谢谢!8 Y& e* k- q. g
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
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有人走過相同的路了7 R3 B9 E6 }7 W
摘自   Obsolete Media - Forum
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# E+ N: f# c. D+ }; G  ]$ {( Nhttp://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025 / N8 [* _' {4 U8 \) z
http://obsoletemedia.com/geeklog/forum/print.php?id=20252 S2 B' o8 ?4 V, E$ c* x
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+ V  n! J& i: jChip CX-032B for Sony TC-558+ e; y% I: R( V4 ?0 O+ `- e' d# h
Posted on: June 16 2008 @ 01:43 PM
3 G/ s: j- r5 y3 e) Y3 @4 G9 vBy: RODALCO 2 c" G6 a4 e2 e" W( n8 [; [
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Content:
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: j3 K6 Q7 N) P( V1 YHi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.8 b, p6 p0 j9 x6 z- s# Q0 a$ H* x

2 M. x( j6 w; vLuckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.! e  P$ H1 B! {, ?* \9 r
A rare Sony turntable TTS 400 has the same chip used as well.
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5 f$ a0 n& j) jThe supllier on this link has the IC listed.9 m0 `2 Z% G$ n& S4 A
http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)# p2 c+ e- Y: c1 |" D
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The German Bandmaschinen Forum thread.
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' C' T5 q, u5 e, p! uhttp://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)
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& U7 E) V  ^, eGru�, Raymond3 T4 `3 m/ o' ^! f3 x2 U

% k$ q' o9 c5 n2 f. u3 s9 ^" IChip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM 0 {4 X) |" E4 p+ m: h3 a0 v3 ^
By: RODALCO
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Content:
0 F$ q$ P. s) T; X: S; ~<b>visitorj</b>, can you make a photo of the IC and the board please ? and the schema if you have it?3 ~% y/ N, T: b% d! \

5 i2 v8 \* r8 V- S, pI 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.: g3 ~3 ~  [. g# n" p( a' i. i" |
This will help all Sony R2R users in the near future as well as our machines age over time.8 O1 [; c5 A  {% M- e4 I

" t1 [. G2 h. FKind regards, Raymond& B% W1 k, u+ I" l% }5 F

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1 f) t: C' @/ k7 Z, r有沒有用零件做出等效的主軸控制還要進一步追蹤3 W" M4 Q/ ^: H

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3 Y! w1 d, Y, h4 B  c9 D( D, [零件追蹤/ e+ K% O9 M5 e0 C
http://www.globalsemi.com/productdetails.aspx?itemno=875032100
, S2 K1 B6 S5 r/ M7 V7 W+ s" F. i9 Z39.99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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