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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。$ U8 M/ ]" Y+ h. k' N6 C4 S
控制转速的IC, SONY CX-032各脚电压值如图9 i7 a# C1 D3 R! z1 m: \* {" B
22-1.jpg
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9 M( I2 n  Q# z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
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; v- d6 S& v9 K  k有人走過相同的路了0 c/ P$ |; f2 I! I
摘自   Obsolete Media - Forum! h4 G& Z4 j8 m1 k% r! @
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http://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025
4 h8 C# w9 V: `) |http://obsoletemedia.com/geeklog/forum/print.php?id=2025# W" w6 o4 M5 b4 }8 a3 F( Y

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' v$ X* p$ Y- B( ^  lChip CX-032B for Sony TC-5583 f2 @* {/ s% [+ D
Posted on: June 16 2008 @ 01:43 PM ) q, R1 x3 C" m% K/ O6 @3 w
By: RODALCO
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Content: ) a" s6 S7 Z7 Y1 H" ?

% {6 Z" O: T* }9 kHi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.0 P$ j, ^. @6 e3 z9 Y

! S( D& p4 F, r' I' y- K6 N) G+ |Luckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.% U9 B( D3 T1 b( u1 b7 Q
A rare Sony turntable TTS 400 has the same chip used as well.
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5 a: E6 j! k2 M/ eThe supllier on this link has the IC listed.
/ K1 i- J2 f4 lhttp://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)
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" x5 D2 O2 |& Y/ lThe German Bandmaschinen Forum thread.6 K& t6 W* O- r8 ?
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http://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)
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0 D( A' V* z/ O( A4 o7 oGru�, Raymond. g, ^3 O( K, F' D9 Q

" k4 h+ s1 t. nChip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM
, P0 f" z5 ^% J$ L$ i3 PBy: RODALCO - l- c6 ~1 Q5 [; K+ n7 j+ h3 J

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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?0 k- v" P3 F5 R, s. P5 W& u, J) u, p

& H3 M7 Q" z  V" V# p0 g9 [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.
2 M, t+ _! l, B! v1 kThis will help all Sony R2R users in the near future as well as our machines age over time.
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% \* v7 m- f0 xKind 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
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, M4 i# p0 @  u$ }" M# z7 A零件追蹤/ J8 b$ N% Z. C) U
http://www.globalsemi.com/productdetails.aspx?itemno=875032100
1 p% i* [" ?3 o: z. D5 [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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