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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。4 }$ h# k5 _( d% p. c9 c
控制转速的IC, SONY CX-032各脚电压值如图
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0 U9 ]# D# C9 I. x7 n# c6 m是IC坏了还是其它问题?如坏了,求着IC一块。谢谢!) L% e: E* f7 r9 H$ \/ R) S
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 6 L* V* w* f& {. q  n. e
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有人走過相同的路了
& q2 ~* E. J+ \& n5 R摘自   Obsolete Media - Forum8 U3 s/ H% A4 P: q. T

( n- u5 j) I8 Nhttp://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025
6 R, f5 y5 G, B5 r8 z, r% Ohttp://obsoletemedia.com/geeklog/forum/print.php?id=2025
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; v- {; i1 E) @0 U1 PChip CX-032B for Sony TC-558% q1 {/ K7 _. }- C; [3 p: K
Posted on: June 16 2008 @ 01:43 PM
4 C$ l; B4 x- m% {: g, zBy: RODALCO
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Content: , A7 h2 K. ?# Q( V  D
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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.
  a; k. c& l( Z, _A rare Sony turntable TTS 400 has the same chip used as well.
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  Z# t9 ]& j* aThe supllier on this link has the IC listed.; q; A; b; C; l
http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)' L( y& p  x' Y+ c4 y2 u; r
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The German Bandmaschinen Forum thread.6 @- d. H% u* |* H: c5 g  \

- G" i' w6 n7 B3 [/ jhttp://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)2 y& L; z* g2 z/ @( \) k: A/ N
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Gru�, Raymond! V5 m8 P4 `0 `  `

( a2 R8 L  T0 h# yChip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM 9 f5 H3 T% A8 W+ Y1 U: Q' b; s
By: RODALCO ' \# Z2 w# Q, I- m

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3 z% p8 M- q2 z* Z7 e6 U<b>visitorj</b>, can you make a photo of the IC and the board please ? and the schema if you have it?7 x+ D2 K% _& C* v6 b% ^
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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.* F+ t6 X5 I+ D' V- K; W
This will help all Sony R2R users in the near future as well as our machines age over time.
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Kind regards, Raymond" |5 ^& b9 k% j) ]

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  m4 Q: ?2 `$ a( O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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4 d' \8 I7 K+ c: ^  R1 B7 K% N零件追蹤: R+ C8 @0 U! t% H6 H) E2 S/ G
http://www.globalsemi.com/productdetails.aspx?itemno=875032100" ~3 R7 X' ]  ]) f' Z; y
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9 d7 T! m6 f7 @+ ]1 O# x
 楼主| 发表于 2012-1-4 12:59:13 | 显示全部楼层
谢谢!
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