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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 " K1 i: m+ w& ~8 ]2 z7 F2 d* b+ v1 ^

4 P' U/ B& s/ M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。
3 P0 Z0 G' P5 P* Z1 B控制转速的IC, SONY CX-032各脚电压值如图
8 _+ M/ X' N+ c9 m* U 22-1.jpg
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  Z4 j3 P6 n1 M: p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 m* P  [/ W8 a4 B3 X5 U; ]0 C
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有人走過相同的路了! R- |- J7 t# O1 U
摘自   Obsolete Media - Forum* ~; d& e6 H$ ~0 \: d) p+ |

; Z) _' f& o+ ]2 lhttp://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025 4 I$ n8 {* b* \
http://obsoletemedia.com/geeklog/forum/print.php?id=20259 B4 [9 a+ q5 Z2 ]9 g  ?
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9 R/ {% o- _+ d  P+ c7 x4 q. jChip CX-032B for Sony TC-558
; z. n: Z2 ]& B3 \Posted on: June 16 2008 @ 01:43 PM
& V: I) ^! s5 D! \, e0 U: OBy: RODALCO
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Content: & k5 q5 H6 \/ O  A

0 n( |' r) I+ A  ?8 l6 ~# c' RHi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.3 f% j$ ~& H4 i! V/ E- z5 q7 h

3 t$ N7 A7 Q4 {6 f1 V( yLuckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.% I) L" e# g+ T$ O
A rare Sony turntable TTS 400 has the same chip used as well.
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0 j% U" P3 J+ A% o# {. u& mThe supllier on this link has the IC listed.
3 [/ O- `/ \2 Rhttp://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)2 M4 H) Z, H! c/ M5 z
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The German Bandmaschinen Forum thread.  S! C! ~% h( d; u- y2 Q7 V' [4 P
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http://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)
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1 g+ `6 {6 m- d5 B  ZGru�, Raymond" \7 ?3 b9 T8 J8 D
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Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM , x4 j. Y& R7 B: W3 _3 I8 Z- _
By: RODALCO
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Content:   A- h8 Y/ q* ?5 W& r$ _4 _5 F( N7 a5 g
<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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2 C6 l# }* S* w, `, G& wI 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.
  Z! @: b  F( O# c" K0 w; W. vThis will help all Sony R2R users in the near future as well as our machines age over time.
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  N: h) X% x) _Kind regards, Raymond
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* S( D& [* I1 L5 f% [有沒有用零件做出等效的主軸控制還要進一步追蹤1 u  C( o0 C; o0 A& g
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零件追蹤
) _7 `+ r" m& lhttp://www.globalsemi.com/productdetails.aspx?itemno=875032100# x& R, q4 {  |; h' S9 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; W2 m, N! X0 u# _
 楼主| 发表于 2012-1-4 12:59:13 | 显示全部楼层
谢谢!
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