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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 1 @/ R5 Z( v6 I0 n9 O' F4 a# n3 v
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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。
- W4 p3 W+ G: q控制转速的IC, SONY CX-032各脚电压值如图2 y: g6 e; D' h
22-1.jpg
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# Z0 ~% y5 e8 f" C0 d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 3 T4 V- h, l' Y5 J

, p, p: t7 k9 x有人走過相同的路了
1 ^0 F3 l" f3 F4 q8 x" ]% h摘自   Obsolete Media - Forum- B7 [- o5 U  H4 K
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http://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025
4 `5 Z! M  Z: ghttp://obsoletemedia.com/geeklog/forum/print.php?id=2025
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Chip CX-032B for Sony TC-5587 X5 ^; x3 s& u9 W4 {
Posted on: June 16 2008 @ 01:43 PM
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Hi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.7 r3 _2 |4 U" |4 b1 q
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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.. Q/ \% _3 E6 P6 O3 p8 t% Q; p
A rare Sony turntable TTS 400 has the same chip used as well.2 S, R7 O" |6 D5 `0 h8 U) \
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The supllier on this link has the IC listed.9 [! m( H( D2 p7 v" ~7 J
http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)
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- P# k% W; s1 j3 H8 e" m. GThe German Bandmaschinen Forum thread.
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http://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)
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Gru�, Raymond
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Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM
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Content:
4 A' l# h- w: Y% j& a<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 G  w9 \+ ~  g5 ?4 Z2 A7 Q! [. s
This will help all Sony R2R users in the near future as well as our machines age over time.
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- O2 a$ v* E) h1 ^. _2 i2 @Kind regards, Raymond) X* W4 c8 x8 S! L0 s0 m
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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+ ]6 O" V# l+ c2 D1 N& O
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零件追蹤" \+ j" x  o' B8 @3 d; a
http://www.globalsemi.com/productdetails.aspx?itemno=875032100
  t* P4 l, L% _( X( Q' N5 ?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$ k! a2 o$ i& D  i& q/ s% S8 ]
 楼主| 发表于 2012-1-4 12:59:13 | 显示全部楼层
谢谢!
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