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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 $ N) _& W5 b% ]+ z

& @( J2 `8 x" u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。
, V" J% Z, X& ?- j5 J控制转速的IC, SONY CX-032各脚电压值如图6 \0 S2 Y- A* m+ w, ^4 R
22-1.jpg " _" W( z. s+ T. R( K+ x! c

' z* k6 \/ K! E3 A' J" B. k! ?8 a是IC坏了还是其它问题?如坏了,求着IC一块。谢谢!' `( W8 f+ v% p. B
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 : O+ c6 R  `+ M4 b1 K6 E, Q
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有人走過相同的路了- {; P4 U$ H5 U
摘自   Obsolete Media - Forum) [7 l; k/ R. _6 g% Z

) b* \/ B( H$ I; m, bhttp://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025
0 {* I  v4 @- \http://obsoletemedia.com/geeklog/forum/print.php?id=2025' n& a: P/ b5 c5 g6 i+ b" t

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Chip CX-032B for Sony TC-558
8 s  ^/ D! ]& C4 u( O0 YPosted on: June 16 2008 @ 01:43 PM
# y6 q% D1 [/ `$ x7 aBy: RODALCO 1 E# C2 K* X0 `% `$ l6 x0 ?
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Content: 4 g( N* V$ G. D/ k
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Hi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.7 b* `, S& P8 W! F# _5 y* p) E+ g

& ]) c4 m* _1 ~7 _& a7 ~$ |, CLuckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.
/ J/ ?2 y; V. }6 F# yA rare Sony turntable TTS 400 has the same chip used as well.3 g( W# K7 t" U$ \! S9 N

  v7 X. \9 \+ Q; MThe supllier on this link has the IC listed.: T2 |. A$ n% m
http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)/ v6 y3 V5 D5 a& j  K$ z2 \* @  h, g

" |/ B% q: S. a" t+ S% iThe German Bandmaschinen Forum thread.8 j( `- o* M8 F2 f( d

! {) l' b9 T8 }# C. q6 ohttp://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)) t' l3 {, U* s: J' M- ]
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Gru�, Raymond8 ^) b1 N( O: s2 J

+ D" N' D3 o3 i- Z- EChip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM : k. S) W2 w5 m. R* S% L: L: a
By: RODALCO - o# L  }9 A  z, ]8 S. F, H8 `

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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." O# }5 Z  K; w" z3 w! F7 Z9 g) N
This will help all Sony R2R users in the near future as well as our machines age over time.  e4 u$ ?0 b" m7 E7 Z

9 f6 R2 Y) U* l$ m; v% }/ w2 f& VKind regards, Raymond. d* I' y9 z) f" R9 o+ X

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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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( n! C( s% n# q* ?零件追蹤
8 W3 Y% [9 a$ k% X9 khttp://www.globalsemi.com/productdetails.aspx?itemno=8750321000 {" @% ~% d$ v; G8 [
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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