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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 , i, z( ?/ S5 u6 Q4 u
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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。) h$ c; |! u9 `/ x
控制转速的IC, SONY CX-032各脚电压值如图
/ b, L& F+ {3 d 22-1.jpg , \8 ^( }' F; B- {) `

; W( m5 l9 n0 ^9 }. k; Z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 # f3 Z! l  |4 E1 B! b; I
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有人走過相同的路了
8 c8 F6 K- i3 C% `" W% _摘自   Obsolete Media - Forum+ Z; \$ X; ]+ o+ e8 h; x; I

% t$ z6 Y; C0 a% Q. M$ }5 Zhttp://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025
' X3 ?. P1 ~5 }  J: ?; G& Thttp://obsoletemedia.com/geeklog/forum/print.php?id=2025
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) s* z; w: @, x4 qChip CX-032B for Sony TC-558
2 V% _6 A& B. sPosted on: June 16 2008 @ 01:43 PM # l8 d* _% n: }+ C5 n
By: RODALCO 8 i- f6 _. D* p% c7 X% g

2 O0 ]: d- j0 ^- iContent:
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Hi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.& Z' J* z* z+ t' ]! d5 V( r

; p/ ^! X8 R* K0 vLuckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.
; n5 K- Y8 I% GA rare Sony turntable TTS 400 has the same chip used as well.2 }+ p- X! f" G" ^+ v" M

9 [. k5 @2 g& U5 HThe supllier on this link has the IC listed.
; K2 w( T! A8 |http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)* F& W+ M7 `( i- i9 B) M3 U& j, h
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The German Bandmaschinen Forum thread.6 k; k& }: o, {3 d  Q

, ^& @. A! \! Q5 ohttp://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)# W, q) U' c5 H0 s+ S
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Gru�, Raymond: q1 [. X  b- F& l+ f9 s
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Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM : f9 r( [$ R& v$ k1 x( V  ]' V6 z
By: RODALCO
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' M* y1 l& v/ y8 m1 j, @Content: ' Z& l' j8 E' _2 T: z' G7 B; Z/ ~
<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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) g/ u/ M6 K4 V4 g$ P8 WI 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.: q1 R3 r$ Q- a1 g. I
This will help all Sony R2R users in the near future as well as our machines age over time.& @' X% t/ k8 X! c
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Kind regards, Raymond& U% q) B( |/ y9 N3 s* e6 E
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; d0 z" ]4 Y" {& L6 ]0 r% b7 ]% L有沒有用零件做出等效的主軸控制還要進一步追蹤! G+ o# _, ?3 [, q* X3 g

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8 C; J' W2 T# v  X零件追蹤( w& S# W( G* @6 @' m3 Y& l
http://www.globalsemi.com/productdetails.aspx?itemno=875032100+ j4 W5 F$ L% |0 E" @
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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