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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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( N! ]& E& I. B: ^/ P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。
+ }5 a+ A0 X# r% X+ \控制转速的IC, SONY CX-032各脚电压值如图
# y5 q5 t* W( r! l! M, Z 22-1.jpg
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3 [8 {% B. J: K是IC坏了还是其它问题?如坏了,求着IC一块。谢谢!; Z, N, V# N( e# ]8 {2 X+ r/ D
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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+ S3 b1 D1 U% O' |* H有人走過相同的路了3 C( r8 J4 ?2 R  @$ [0 T5 @* ]
摘自   Obsolete Media - Forum
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9 T9 [2 ~  y; y$ y; z* `http://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025
. g  ^6 M% T9 l) B) ?! fhttp://obsoletemedia.com/geeklog/forum/print.php?id=20255 O+ O8 o- ]- N

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0 ~7 \3 m4 ^: M+ ?) l8 E3 AChip CX-032B for Sony TC-558
4 O& a! p6 `8 `, X' v% {+ kPosted on: June 16 2008 @ 01:43 PM $ B! C5 J" V( v4 J6 C# K/ c1 G
By: RODALCO 4 C$ I3 r; N- ~5 @6 k2 v

( v/ }; J) m4 v9 v0 {- [Content: 4 ^% N' p% O1 r  c7 _% ~. ?
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Hi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.' F- T+ r) Q* s4 l1 g# x9 ~3 O

9 E2 t& ]' K4 I! ELuckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.
: i5 P$ G2 |- F) x2 v) yA rare Sony turntable TTS 400 has the same chip used as well.; R, Z! k, i$ T% j$ t7 e8 z! |

: ]% p0 Q! `( |2 u- L  k4 u0 LThe supllier on this link has the IC listed.: F  f9 Z0 t5 f- Y# p1 L7 x" L3 ]
http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)
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The German Bandmaschinen Forum thread.( M! E  X8 R: q- ?. b5 }2 Q6 Z/ }
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http://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)) ]# {4 A1 L& q/ q' \

6 r$ @5 M) i3 FGru�, Raymond
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+ T8 z' ^; e' k* |2 J& eChip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM % E' p2 m2 g3 w8 N
By: RODALCO
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1 L  v9 m3 P, E8 M. l% S<b>visitorj</b>, can you make a photo of the IC and the board please ? and the schema if you have it?2 |/ s% f* g; j! b1 }4 R

. M6 _+ g. H1 t( C! pI 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.
/ Z: D/ f2 n9 D) eThis will help all Sony R2R users in the near future as well as our machines age over time.: Y, w' B# b6 Z4 P/ h8 C6 t
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Kind regards, Raymond
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- V& G* Y  R1 `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 d; D! T, |7 j9 E" [! Y零件追蹤
/ e0 ^& s  U' j+ Q! Yhttp://www.globalsemi.com/productdetails.aspx?itemno=875032100
( N7 f0 l( P, l/ M& y, B39.99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2 F" i5 i0 l% f/ {, C0 Q
 楼主| 发表于 2012-1-4 12:59:13 | 显示全部楼层
谢谢!
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