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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 ! P, {& p9 ^) j

1 e8 Z3 }1 v# p! B) M$ Q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。* h' J$ k' V& {7 G( u
控制转速的IC, SONY CX-032各脚电压值如图
3 N4 K' ]" u$ @- H6 D 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!$ C* v+ Y$ V" R1 G" E0 c5 F. `1 P& z
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 6 _2 ^' l$ Z: ~) V5 ?# Y

5 c2 }9 W- c; |% I$ C6 C; |/ @有人走過相同的路了
- k% @9 d% W/ x3 V3 Y- i" r摘自   Obsolete Media - Forum8 b" T" q5 x1 @/ D; I; R

; ~- o& ?; N* q; Khttp://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025 + ]" n7 Q! m$ K5 o2 E
http://obsoletemedia.com/geeklog/forum/print.php?id=2025
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# V4 K7 L) e# P* P% nChip CX-032B for Sony TC-558
( G) p) _% I. B# I3 o* RPosted on: June 16 2008 @ 01:43 PM 9 ^+ G, i7 i6 j
By: RODALCO ( E' p6 Z% v5 I( h9 w9 v/ T
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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.5 w+ l+ d. U- t" T
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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.
9 F/ y. l4 t5 ]) v% `  I' yA rare Sony turntable TTS 400 has the same chip used as well.
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- h: j! D1 n$ D2 ^1 Z! }9 B6 `The supllier on this link has the IC listed.
8 C, j/ s: p1 q& Bhttp://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)# Y. {4 z& e' L4 T

5 w8 K& [% P3 ?4 c0 x6 [The German Bandmaschinen Forum thread.# M* p$ Z0 Y% w! w! |. ]

+ W) q) P$ P+ E1 _: `http://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)
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* _2 e! K4 W$ V/ D9 B4 WGru�, Raymond
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8 P5 ]4 Y- a1 n; IChip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM , Z6 Z$ r* L" I0 h- I4 W) T
By: RODALCO / A# M5 r$ F; C( ^& G2 K

- u) x0 E  `0 F$ N4 t% i, u9 JContent: : @. ^) [7 n/ f9 W2 x
<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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% q% e/ g5 y; V9 O0 mI 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 C1 u7 X/ x' h( x
This will help all Sony R2R users in the near future as well as our machines age over time.# |, Y( j9 }4 Z' L7 _
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Kind regards, Raymond- ?: q, Z0 G, }& V4 p. S4 G
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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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零件追蹤
. S6 H% l" B! P& A2 @/ Y: C7 `http://www.globalsemi.com/productdetails.aspx?itemno=875032100
; r( e, D, G7 M6 A' y9 Z, Y39.99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! t( p/ y& n) r/ j9 c. t. I! z+ n! V
 楼主| 发表于 2012-1-4 12:59:13 | 显示全部楼层
谢谢!
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