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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 6 _3 F  y; k. ?2 u+ G" ]) }$ m8 n+ \
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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。: J9 g* n% `% c1 `& @1 x9 W3 h) b
控制转速的IC, SONY CX-032各脚电压值如图
2 Y: Y% J/ d- v. z 22-1.jpg 4 v( s8 S8 D2 R9 f+ t

, ^, @( C7 l# u是IC坏了还是其它问题?如坏了,求着IC一块。谢谢!( P- b! |% R7 U! z4 k
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
6 ~4 g, F; |( S0 Y摘自   Obsolete Media - Forum5 N/ h4 B, y  \, M5 ~4 o& W

' m: s; m) Q# e, V) A) Ehttp://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025 ) |6 P/ }; |2 S  [9 c4 k5 w0 C& j8 H8 z
http://obsoletemedia.com/geeklog/forum/print.php?id=2025
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7 n0 ?1 s3 I% ?6 N+ @+ ?3 iChip CX-032B for Sony TC-5588 Q; g5 W. }8 F! x0 d: |
Posted on: June 16 2008 @ 01:43 PM
8 t3 c- V( j$ h' r. EBy: RODALCO * X/ p6 d6 ?) u& ]

3 |" O; A, i9 E. I( f1 Q- K$ XContent: / F# x: V; R1 I( L
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Hi, did a quick Google and found this link on a German Forum regarding the CX-032B chip." d$ ^0 A6 k+ \- U
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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.+ E% N! I4 ?) B4 F# S' \6 W
A rare Sony turntable TTS 400 has the same chip used as well.
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7 L6 H# G! Y' ]$ L$ `' DThe supllier on this link has the IC listed.6 P) F0 z% q0 A( W$ Q
http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)
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, K. z) G6 ]" }, RThe German Bandmaschinen Forum thread.
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0 D$ Q  d( o& h4 K( Whttp://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)
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) U7 F7 M9 ]! s( |0 PGru�, Raymond
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( h9 i7 x# Y$ b4 _; w! o2 YChip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM
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$ P8 B4 s' e& H& o  H+ mContent: / J$ @+ f0 F. c" h3 l
<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.4 a4 y8 O2 n. I! Q" T
This will help all Sony R2R users in the near future as well as our machines age over time.( V# ]5 U9 |& e0 P& |2 [

5 n! B2 g$ Z3 p& v! O& m2 zKind regards, Raymond6 L( J! E: {# T) q+ k8 _
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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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3 _+ X9 N" Y! z8 }零件追蹤  A" z+ p# ]. X
http://www.globalsemi.com/productdetails.aspx?itemno=8750321006 T# B9 B& d- J" p7 w, o+ _
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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