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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 : V- p! \: L; g1 ^. y' f8 Z! T

8 q1 V0 U3 o( h) }" f1 B" \5 m5 |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。! r; Y( M4 g! e; p/ C. }7 l8 p8 f
控制转速的IC, SONY CX-032各脚电压值如图
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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 7 I% ?% ?1 t1 J" T3 r

* }3 l" v$ h+ Y# p有人走過相同的路了
6 r- y; m3 I+ ]; C摘自   Obsolete Media - Forum
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http://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025
+ @6 |7 }# z8 s. Jhttp://obsoletemedia.com/geeklog/forum/print.php?id=2025+ V8 L& H* R) Y# r0 l7 V" g" W

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Chip CX-032B for Sony TC-558
- e3 H  H: R* e! {* l& yPosted on: June 16 2008 @ 01:43 PM
, H7 e- W, G7 p* Y) V- K6 ?5 Y5 pBy: RODALCO
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Content:
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Hi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.8 |9 @: k( Q, S+ Z" h( W% N
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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 U) m7 X7 x, _# aA rare Sony turntable TTS 400 has the same chip used as well.
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; h$ }3 s% n: k" f) IThe supllier on this link has the IC listed.
; f. E" X/ V9 @& V2 }* o9 mhttp://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)
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The German Bandmaschinen Forum thread.% l# U( a$ n7 c+ c
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http://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效), q) T1 v; n3 V7 B

/ l& o* D( r! z1 y) U. G0 Q1 ]0 }Gru�, Raymond
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Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM " I- m- o; S! w+ \
By: RODALCO * O0 ]& G$ q% X  g  q: |
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Content:
, |: ]3 @$ I  A) {5 q, ]<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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5 o$ d, f, v  Y& w5 B( X! ZI 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.0 s7 I0 q# _2 n+ d, A: b1 O& H
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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5 Q/ B0 Q) O# i6 I' |/ n有沒有用零件做出等效的主軸控制還要進一步追蹤7 d; G- L7 m9 K* p) f% f: ?1 U) B2 P
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零件追蹤
; ^% b( m' ?5 h7 ~, j$ D2 u! Rhttp://www.globalsemi.com/productdetails.aspx?itemno=875032100' s3 A6 d6 z8 [9 Z# c$ c( [
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
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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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