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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 Z0 Q1 s$ K! d9 y
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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。
# v  {2 |; S/ H, g( ?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 U: o3 M( Q1 E6 r; W) s
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有人走過相同的路了& S2 F6 _. V+ T8 _
摘自   Obsolete Media - Forum
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http://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025
: y9 b3 E2 \4 Y4 U$ Ghttp://obsoletemedia.com/geeklog/forum/print.php?id=2025
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" X* @& {' q0 U$ i/ {4 I4 JChip CX-032B for Sony TC-5583 o% g( M. c9 U( P. q% y1 Z
Posted on: June 16 2008 @ 01:43 PM
, b5 H  t+ Y+ OBy: RODALCO 8 i; _  N8 V% l1 M( l

' B* K8 X7 ~/ x6 f) ^8 B! sContent: ; k9 ]' o  f8 T

6 I0 g+ Z, V0 ]% kHi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.4 y8 d, f4 O4 h! S; V

. B& [' t4 `5 Y9 gLuckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.$ x- G0 o$ k' c3 b
A 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.
, m) s3 k; }1 {" Zhttp://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)6 I7 o. ^5 R1 }( x+ ^$ P/ c) q
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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)
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* z7 _2 h- O0 R9 qGru�, Raymond' L- }7 f0 f+ y
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Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM % H( c& Q0 T& N: z- X! y$ s
By: RODALCO ! F. w3 F6 F# O" Q! B7 d
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Content:
1 }6 ~7 M( S1 T/ C  W<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.
5 _8 V( j$ X4 X( j5 r& ?  KThis 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( `% ?2 f. {+ d4 W9 Y

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: K2 v" v) Z. C有沒有用零件做出等效的主軸控制還要進一步追蹤. |: r  Z# s% c- v: e
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零件追蹤. y: T8 X, v" z6 W* n- u" h
http://www.globalsemi.com/productdetails.aspx?itemno=875032100
6 b- v2 P' R2 x- i, S* J& _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" |# |; _& m. }* V
 楼主| 发表于 2012-1-4 12:59:13 | 显示全部楼层
谢谢!
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