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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 4 ^# |0 u  G  d8 ]$ |' F! F

9 T" n! |, _& U* _$ \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。
- d( c/ E& \, g2 E) n控制转速的IC, SONY CX-032各脚电压值如图9 w, g6 W2 I  ^
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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4 B2 e  K9 `$ g( n3 M7 q/ ^, W: L! T有人走過相同的路了6 A( v( c- K  f: }
摘自   Obsolete Media - Forum
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http://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025
4 m  _# F# {2 o; Q4 d/ u8 q1 q. xhttp://obsoletemedia.com/geeklog/forum/print.php?id=20259 k0 s1 E6 `# P6 v% ~( `- `
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% u6 p4 R5 C: HChip CX-032B for Sony TC-5580 y4 w$ M4 n2 t
Posted on: June 16 2008 @ 01:43 PM - x% Q* G) ]# [
By: RODALCO
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/ L' K7 T3 ]# h9 y+ i: b- sContent: 3 K+ O- u4 q6 H5 F% R0 U

3 u" \5 v4 v4 d* q& c. WHi, 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.
) Z$ l# g9 p* kA rare Sony turntable TTS 400 has the same chip used as well.
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- E7 k$ W; L& JThe supllier on this link has the IC listed.& z7 e4 H* V  {- u3 L9 Z7 v
http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料). [8 X& j( P/ g/ [" M
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The German Bandmaschinen Forum thread.
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http://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)4 m/ v- E! P5 D+ u- w. [9 _

# Z: Z7 b, j! r1 R! o  S% \/ yGru�, Raymond
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0 h. C/ p0 t% L- JChip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM
3 t- ?) J+ W9 M1 YBy: RODALCO ' P2 A( c5 k" b2 l7 i# g' h

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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?
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6 Z0 j! o# \: NI 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.
- T, H) ^/ v! pThis will help all Sony R2R users in the near future as well as our machines age over time.9 y7 S9 `1 u9 G2 }6 g

2 A$ n3 [7 H( `% e$ z; m, A3 p) C$ ?% TKind 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) }. M- U3 O5 p' M/ e  c1 e

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) X9 G- C. W" y" |: r零件追蹤+ M2 o2 [2 n. B0 p3 ^8 \8 E
http://www.globalsemi.com/productdetails.aspx?itemno=875032100$ b: L) G% b- E, Y
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# X  ^1 h& m' V* d  {% C
 楼主| 发表于 2012-1-4 12:59:13 | 显示全部楼层
谢谢!
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