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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 " _. m3 i+ v* A+ b6 x7 K4 Q

) z& K0 W* h6 x- A5 ?: Z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 Y" [- t$ I7 [; S! D6 y( {控制转速的IC, SONY CX-032各脚电压值如图+ K  P9 s; w  X2 D( o5 j+ J8 h2 D
22-1.jpg
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是IC坏了还是其它问题?如坏了,求着IC一块。谢谢!( r; r7 H: ^- a* I  I2 O) L
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   m! H; c1 t+ n2 [  O
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有人走過相同的路了
8 Z3 _2 l3 a/ s/ H. d- I2 m+ m  x摘自   Obsolete Media - Forum
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' H  ^5 f8 ~" t9 x3 Qhttp://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025
# `1 l) h$ B$ G& ]$ N# ^http://obsoletemedia.com/geeklog/forum/print.php?id=2025" E/ l- x, T# s1 j: Z) K8 G. }

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Chip CX-032B for Sony TC-558- S0 p7 ]  ?7 F  a) E. C# E: R
Posted on: June 16 2008 @ 01:43 PM
5 Q8 a  Z- \" ~! C1 E+ `By: RODALCO , Z# V% w5 E3 z) y# D
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Content: + ^" s0 d1 i) W# @
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Hi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.4 H* m# _  g" ~7 c1 M, X

: i5 R3 m% k9 S7 m# N; k) NLuckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.
& z" V& m! o& [& s2 P- lA rare Sony turntable TTS 400 has the same chip used as well.
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% m0 t6 q, u' \' F; {  ]: q. sThe supllier on this link has the IC listed., w! J0 a- P! p! k) ]6 K
http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)
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The German Bandmaschinen Forum thread.
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. q; G7 E1 J1 `3 j3 T6 B& T0 Nhttp://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)
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) m' k3 f. d5 ZGru�, Raymond4 d5 q, v3 Z% M2 W

7 t* V9 l5 T1 A! O$ Z# F) \: e9 uChip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM 7 W5 v6 k, r! N1 ^
By: RODALCO ' _% O' |) G4 T- C

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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?" p9 S! q2 w$ I

1 @0 Q, I# ^4 q( UI 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.
5 z3 S5 B; j  f; K& g5 L3 wThis will help all Sony R2R users in the near future as well as our machines age over time.$ w/ W+ ?6 Q. x! m0 a/ D* J

# d# j" t8 U, ]  P& q' EKind 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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6 ]; v( B/ }; g零件追蹤
( \8 t1 A8 U- X; Jhttp://www.globalsemi.com/productdetails.aspx?itemno=875032100( v7 U; a; ~2 j+ L" f% U! z7 U
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$ P) o& \  }( t$ A& }! t0 G
 楼主| 发表于 2012-1-4 12:59:13 | 显示全部楼层
谢谢!
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