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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 # A0 t6 [2 H6 R( t

( V$ i% Q/ N; Q# i6 V# H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。) }( t+ e, ^4 u
控制转速的IC, SONY CX-032各脚电压值如图% s! |! l, }3 s) ?) f* G
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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 + A5 L6 t0 w6 o, Y

+ i5 {$ b+ g: c: e7 l# P有人走過相同的路了
, w- b0 b9 f+ Z3 W! s# N3 l6 Q7 f9 C摘自   Obsolete Media - Forum
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) B6 e5 y! B; Z1 Phttp://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025 + i+ L. y, ^1 w
http://obsoletemedia.com/geeklog/forum/print.php?id=2025- ~' x! l0 m7 u
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Chip CX-032B for Sony TC-558
/ V" ?9 b8 Z5 `0 v- G& WPosted on: June 16 2008 @ 01:43 PM * L9 ~9 p( D) O4 m  B: Z! G
By: RODALCO
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Content: 4 D: A3 W) Z! A- Z6 }

! E1 Y0 \# J0 X/ ]/ SHi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.
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5 h, B, X* f8 Q1 ^. bLuckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.- F( D% K0 [! B7 W6 k) B
A rare Sony turntable TTS 400 has the same chip used as well.' w$ e; F9 e0 E! @3 b" n

; _: X$ B0 }& M6 N. S0 m+ T( P/ xThe supllier on this link has the IC listed.7 ?. b8 }5 z1 B4 N8 k' l
http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)
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The German Bandmaschinen Forum thread.
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http://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)
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Gru�, Raymond- u  j! S. v* y' o& }

9 r& H) ]) i6 h3 }7 bChip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM
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<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., \3 T: j+ y; H+ ]. L9 g1 ^7 R
This will help all Sony R2R users in the near future as well as our machines age over time.8 h& a* n7 b7 X5 P" Z: Y
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Kind regards, Raymond: g) U& ~1 H/ P! B; \1 @. n

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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
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零件追蹤
) G% `0 b4 ?$ v/ r, D6 Hhttp://www.globalsemi.com/productdetails.aspx?itemno=875032100
7 B' F9 \2 I1 a: [% H' E39.99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7 R# Z/ F: E8 I! n( H
 楼主| 发表于 2012-1-4 12:59:13 | 显示全部楼层
谢谢!
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