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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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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。  e5 A# W" Y. `" s4 L$ A1 s$ u
控制转速的IC, SONY CX-032各脚电压值如图; Q* Y+ w. }0 @) S1 X
22-1.jpg
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5 I0 h: q8 C0 _; z6 Y$ h; V是IC坏了还是其它问题?如坏了,求着IC一块。谢谢!8 R* {, e, D0 N# P
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 }- W% H8 f9 ]
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有人走過相同的路了
7 Q. r+ [3 q! ?, p摘自   Obsolete Media - Forum
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7 H0 k$ X; W/ R- dhttp://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025 2 _1 ~! z, |; ~- v" V0 |8 Z
http://obsoletemedia.com/geeklog/forum/print.php?id=2025
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4 N/ y4 a: [! j) N" W/ x$ EChip CX-032B for Sony TC-5580 c9 y" y" R0 j& W
Posted on: June 16 2008 @ 01:43 PM : g! B, n6 S7 I( i0 X
By: RODALCO ) N) U! S( L  Y5 N, G
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Content:
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" N! `/ v" A7 l3 qHi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.
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+ V* `6 ]8 Z0 M+ K" X: h5 l* ILuckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.
- r8 Z: @; x% N/ }+ z7 kA rare Sony turntable TTS 400 has the same chip used as well.
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The supllier on this link has the IC listed.4 |; }' H- o3 h3 A! d% W  X
http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料); U; g1 Q9 U+ U% k% [  n3 y
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The German Bandmaschinen Forum thread.  |$ }6 N) e  ~3 D1 p

) n( \, Q+ }& M7 W% f) b% b3 l2 ]http://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)
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Gru�, Raymond4 p& y5 O0 y( Z, B8 ?5 `8 s- Y+ R
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Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM
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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?2 g3 G( z9 u" f" |$ Q7 z

4 \" S( }5 E5 m6 _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.$ H9 u+ c5 f% P8 p
This will help all Sony R2R users in the near future as well as our machines age over time.
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( F3 C+ z7 t- @. O- ?Kind regards, Raymond
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2 ]" P  U  q5 s/ |有沒有用零件做出等效的主軸控制還要進一步追蹤3 z6 @+ R; f6 q7 i

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零件追蹤3 b2 m9 Y  B  L# D  Q
http://www.globalsemi.com/productdetails.aspx?itemno=875032100, w) y( o; M; t1 h+ A9 ]
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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