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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 " G) b( p+ o2 u9 U5 t% V

- U' w/ i) W' x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。
. x3 f0 J$ j8 K& W, k+ r' S7 x控制转速的IC, SONY CX-032各脚电压值如图" }* Q9 x" l3 j
22-1.jpg , o' w) W6 t6 T2 [) o. o  b

0 W3 t: s4 y. q6 r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 4 h& K' J4 `; S5 X, U3 n( z
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有人走過相同的路了
* F4 r& Y: u9 \0 T* ]0 {& n摘自   Obsolete Media - Forum
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http://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025 . c. ?; I  _% v6 y0 Z, n, e& L: s' k
http://obsoletemedia.com/geeklog/forum/print.php?id=2025: ~0 A' {7 _7 n' O
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: h4 ~& Q8 V3 r- Z0 i9 a1 gChip CX-032B for Sony TC-5588 ~3 |7 w9 Z7 d6 T# z8 \
Posted on: June 16 2008 @ 01:43 PM
# F7 T5 o* Y+ }By: RODALCO   [2 Y1 Q& }* d: @$ W

- k# \4 w$ z7 J- K/ M, ]: O; i5 fContent: . e, f/ |0 i) |

2 r5 ~8 m" [3 ?$ B% BHi, did a quick Google and found this link on a German Forum regarding the CX-032B chip." ~1 A5 {& g. C- n, l, m  S

6 k- L3 I( H$ n& F$ y5 FLuckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.
) j/ h/ H6 @6 H; f$ `A rare Sony turntable TTS 400 has the same chip used as well.& E! e; K4 M  z. r+ e' U2 }  Q
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The supllier on this link has the IC listed.0 M# o" r, x7 F4 w* u# c
http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料): j  _, u3 b. s

+ O! {  ]0 I* v" k6 ^+ GThe German Bandmaschinen Forum thread.- u9 U$ k8 a  d0 w( T  g# Z' x* G

3 a- d% x) m4 g: ghttp://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)
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Gru�, Raymond9 u' |7 x) G+ o8 U
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Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM
2 S: J3 k1 h5 g* y& oBy: RODALCO ' ^4 Q$ X: t4 ~, Q2 A* p

' o% C7 Y' D( H- T9 cContent:
2 ]8 [8 ~$ q9 U6 C/ S- f, F<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.
- ~0 `: b# P) |( I  h/ wThis will help all Sony R2R users in the near future as well as our machines age over time.. \; `. o" {, I0 B/ R
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Kind 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( g$ g- T+ G4 c) _! S4 |( T3 l! S

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零件追蹤# `1 y  h) @& b7 |- V& q, }1 o
http://www.globalsemi.com/productdetails.aspx?itemno=875032100: a" _5 r  c9 d5 X0 T8 {/ l  c1 ]
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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