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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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: ?  o) o' @  E) ]4 D; M/ `+ G6 m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 J* A$ {) h3 {. c  A$ e
控制转速的IC, SONY CX-032各脚电压值如图
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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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有人走過相同的路了2 O+ ^$ c( g9 y6 r
摘自   Obsolete Media - Forum6 V# x, W2 k4 r4 A( c3 `
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http://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025 / ^4 C0 h6 H" s1 K- [0 U8 V
http://obsoletemedia.com/geeklog/forum/print.php?id=2025& O: n: [* q5 v- C4 ?
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Chip CX-032B for Sony TC-558: n$ Z# s; x% m2 }$ p# ?
Posted on: June 16 2008 @ 01:43 PM 5 ~% r4 G- d* U1 \3 W9 w
By: RODALCO 3 K" U! ~% P, m- D
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Hi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.
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8 F' E6 y0 ^5 U. k. H& `Luckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.
$ @& U/ m, l9 D& F- tA rare Sony turntable TTS 400 has the same chip used as well.* H- `$ p7 k" m8 ?
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The supllier on this link has the IC listed.
: v, v3 B+ P' J! w% l& Chttp://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)
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The German Bandmaschinen Forum thread.# `$ t4 T/ E1 x3 t' I9 G8 o  [! @

- T% H. p; a+ e# l7 ^http://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)
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6 Y4 ?3 M" Z6 e' b" tGru�, Raymond7 F) E+ S5 F6 Z4 n/ `$ A  ?
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Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM : G' b$ ?* d. e" p5 c) ^
By: RODALCO
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Content: 7 t1 @2 v* H  [2 X$ q/ I& k( u& u# D
<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.5 R% @3 k! |0 ], J2 V  O2 M2 i2 P
This will help all Sony R2R users in the near future as well as our machines age over time.4 A* x8 `) Z( z7 O' O! q/ Z

: ^. t7 z8 z1 N2 L! O# ]Kind regards, Raymond
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6 S2 l. j4 H! I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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零件追蹤' Z) Q* f1 I) I2 A% v5 l6 t
http://www.globalsemi.com/productdetails.aspx?itemno=875032100
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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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