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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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* Q* e4 E& ~: n$ V9 M$ H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。
0 L# u* @' P3 X* v控制转速的IC, SONY CX-032各脚电压值如图& h, u7 [8 w" @/ m0 f# H
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!
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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
. j) K: |/ y8 f3 R* w摘自   Obsolete Media - Forum
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3 J5 A* q' N+ J( j  u# a: yhttp://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025 ' m0 C1 F' c) [" u- I/ i+ j
http://obsoletemedia.com/geeklog/forum/print.php?id=2025$ m& e! q- k: A$ i% `8 C: V
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Chip CX-032B for Sony TC-558
; n7 H5 t. K4 x' mPosted on: June 16 2008 @ 01:43 PM * ~( u( m3 Y8 Z/ y3 h$ k
By: RODALCO
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7 B4 i7 {+ P5 T- NContent:
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( N+ t+ c" R6 ~3 }# I! k) SHi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.
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Luckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.+ A+ b! I0 B* d# E! M2 a
A rare Sony turntable TTS 400 has the same chip used as well.
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: [" L4 t4 \/ S. \The supllier on this link has the IC listed.
* q4 w6 O8 h& I$ f4 j" o8 ?5 L1 B% y% `http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)4 e0 I' n5 i2 e

4 a8 T1 L5 S. {" p$ A/ RThe German Bandmaschinen Forum thread.
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0 T, a: F7 K: zhttp://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)2 z; g; y6 M- b0 V% s  G3 F6 z
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Gru�, Raymond
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Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM
- l3 Y! L7 ^+ O: `+ t( CBy: RODALCO
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8 `, M  D: g3 c- e1 v: F* W. sContent: 3 C! a$ Z5 i' y# }4 e
<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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8 n2 U% ~0 V7 O1 s* f, x& _1 u& \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.
7 U. q# l  o# [This will help all Sony R2R users in the near future as well as our machines age over time.
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Kind regards, Raymond# {- E6 P4 G7 I" o

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0 G; v: B% }. S/ z" [5 I  n3 k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
1 y7 G% A6 T9 h; J3 c# ahttp://www.globalsemi.com/productdetails.aspx?itemno=875032100
. d2 M* ^6 h- O5 k# k8 d39.99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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