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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 7 u" l# v. [4 b2 s2 Q6 m, r+ q

5 Y% B# U0 O; y( M( z& I5 M' T, S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。( b! a* H4 o1 c+ ?. ?6 y
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 ! ]9 O3 Y( Q, w5 n, w
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有人走過相同的路了' t1 I4 r3 B  E+ Y# K7 d! w
摘自   Obsolete Media - Forum1 I9 ^* m5 ]6 X  x% m
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http://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025 " Q, s8 R% q- G5 O
http://obsoletemedia.com/geeklog/forum/print.php?id=2025% [8 v4 `3 e; F$ u) m. z6 x! Y4 J

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; r. A8 z' F1 O- ?/ t4 W% pChip CX-032B for Sony TC-5587 T. A8 d% h3 t; t
Posted on: June 16 2008 @ 01:43 PM
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Content:
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Hi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.* H. C4 v. U: M# I. P9 n9 a
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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.* |3 \' [' N# ?1 j; g4 X
A rare Sony turntable TTS 400 has the same chip used as well." ~9 a: k# d  b7 o6 b! J9 E5 R8 [
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The supllier on this link has the IC listed.
4 k7 w. D" j2 Q5 shttp://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)' C( s+ Q  F) c* }* J9 s8 y
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The German Bandmaschinen Forum thread./ ^! F4 S4 b7 p- Y" E, g3 e
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http://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效); r7 Y3 X- a# f6 |0 p- B2 }

# ]7 _) D  V+ B6 KGru�, Raymond! l) B) m0 [" t" C$ D. ~" n9 }0 _
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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?0 k+ `3 h- Y, B: n3 {
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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.
/ @1 G4 C2 P4 a! W; X  wThis will help all Sony R2R users in the near future as well as our machines age over time.
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6 J1 k5 {0 g. g  O3 p1 zKind regards, Raymond8 T$ X  o  x& G8 J- q2 P
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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
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http://www.globalsemi.com/productdetails.aspx?itemno=875032100
- ]) J8 K& k& W% X. J" R7 |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( P! R3 V! V$ S4 g& k
 楼主| 发表于 2012-1-4 12:59:13 | 显示全部楼层
谢谢!
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