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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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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。
  g! n- m# }) Y: H5 \- h+ T控制转速的IC, SONY CX-032各脚电压值如图9 e/ s) W# t0 Q" z
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+ T% n" c4 @. @/ v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 1 e% u% |( g& G, n  d
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有人走過相同的路了
+ k, [% N- L! `, t" e0 l3 \: _摘自   Obsolete Media - Forum4 x$ j3 R+ R5 J6 L+ E) }  ^, u
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http://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025 ' l1 o5 X8 s' j, a
http://obsoletemedia.com/geeklog/forum/print.php?id=20259 U: Y+ B6 Q& W
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Chip CX-032B for Sony TC-558! ?5 y6 ^) G# G1 x' ^3 o; i
Posted on: June 16 2008 @ 01:43 PM ' C# U- ^# P- q- u6 ^7 N6 m- h
By: RODALCO
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Content:
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( T! ^9 L/ C* ~' S: V* `Hi, 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 E* s6 k5 P7 R& C& i) g! b" UA rare Sony turntable TTS 400 has the same chip used as well.
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" S9 w: X2 [+ p7 c5 a, T+ oThe supllier on this link has the IC listed.! x7 J" C( a' A
http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)
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The German Bandmaschinen Forum thread.- t, s% t4 q, {) ~3 k

# k9 X* h7 j9 t( E8 J: F: v, q: X9 Khttp://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)
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# S7 X, J! O! S3 Q# v9 ~/ c* SGru�, Raymond
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Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM
; U4 ?! P: Q8 }By: RODALCO
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' \7 U9 X. V* {3 L( [) rContent:
+ [7 d2 O1 \, v9 Y<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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4 d) t, `9 u" R' g$ E& j1 I& {% QI 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.
- n9 H- \5 q; H" ^! |This will help all Sony R2R users in the near future as well as our machines age over time.9 B: ?5 j1 Z1 X# u5 q9 w
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Kind regards, Raymond
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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/ l4 |+ R6 u$ }
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/ S# N# z/ O2 G7 k% ?, X9 F零件追蹤
5 e: \: a. ]. dhttp://www.globalsemi.com/productdetails.aspx?itemno=8750321009 t" G$ r+ p) F5 o( o0 `. p" _
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# v3 a4 Z4 P- \  s
 楼主| 发表于 2012-1-4 12:59:13 | 显示全部楼层
谢谢!
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