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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 ) K; |" ~' s8 I

. R; v5 K$ o0 L0 A) N& ?. S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。. O# ^7 k& u6 |/ `! _
控制转速的IC, SONY CX-032各脚电压值如图6 \' m6 ^9 ^( _, l
22-1.jpg 8 l4 @) w# |. ~5 B# Z* J& r

& F9 c$ p+ B6 {# G# U3 E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
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有人走過相同的路了
% H% p# j6 l, h7 \2 \8 P摘自   Obsolete Media - Forum( E8 r# J- ^9 ]2 Y& R

- a7 ]$ `: o$ C2 Y2 [- Y! e; {& R5 shttp://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025
/ W/ ~; m4 j# s3 o, ]& phttp://obsoletemedia.com/geeklog/forum/print.php?id=2025
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Chip CX-032B for Sony TC-558, P. k( O; h5 A$ i6 B4 r, v3 g
Posted on: June 16 2008 @ 01:43 PM
9 P1 N  v9 {( G( G8 B4 Z& s: @9 nBy: RODALCO ' ]- F! z1 @- O, `7 A
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Content:
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% q' a4 [6 r" s, z- n  ~0 m4 THi, 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.1 R- S/ c' d" N
A rare Sony turntable TTS 400 has the same chip used as well.+ s+ @! a1 C- W1 S" [8 }

. r- n  Y% y/ b+ w% e+ uThe supllier on this link has the IC listed.
0 x0 ]+ x5 @" m) h9 g( B/ R0 N, B7 @http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)
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The German Bandmaschinen Forum thread.9 a2 G/ b* ^# }5 o
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http://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)
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2 t' `4 y* F+ u! f/ lGru�, Raymond
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. _; _. o/ ~6 e" P2 K- N% mChip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM 2 k6 n1 m- A$ Z0 L8 _) r
By: RODALCO
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Content:
) {* U. s  L. u! J<b>visitorj</b>, can you make a photo of the IC and the board please ? and the schema if you have it?2 q& I$ w# a; Y/ p
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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.
1 u9 H: L  W3 P6 n  c6 ?: e# x/ KThis will help all Sony R2R users in the near future as well as our machines age over time.
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6 J9 q; M+ {/ c/ OKind regards, Raymond) n# g* S* d, G1 S& }* U
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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) d: ]8 q7 O2 x) `3 H
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零件追蹤
+ s. e/ b/ Y7 i5 x/ {http://www.globalsemi.com/productdetails.aspx?itemno=875032100, o" e5 _- y. F
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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