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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
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# N7 h+ E1 G$ U' I4 ]% k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。
2 v! o5 H* k/ z9 \* Z- S控制转速的IC, SONY CX-032各脚电压值如图
) C3 n* N5 n: `- y 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!/ a. V  x/ L- y% Y
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
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有人走過相同的路了
! e( s  U* E9 ^1 `, a: g5 i% z8 t摘自   Obsolete Media - Forum8 x) A0 _! M2 z! s

3 ]" i: s" D8 f1 I9 C* `http://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025 " A, R! g5 ^! m0 [' h
http://obsoletemedia.com/geeklog/forum/print.php?id=2025
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Chip CX-032B for Sony TC-558
/ S2 B: y/ s  x( d3 jPosted on: June 16 2008 @ 01:43 PM
9 g  U9 p/ C, k$ v* G7 }7 yBy: RODALCO ' I3 w; H" n* a

3 d2 ]7 m; \* O" IContent: 0 Z5 A. [6 [. i* T
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Hi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.
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4 M$ M; I, u% ?Luckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.
! H) S: B5 y: Q8 t( e) Q- l5 E6 X5 P2 NA rare Sony turntable TTS 400 has the same chip used as well.* r' {/ v3 ^; p" Y

; C  ?  R1 G0 k$ m6 g' V1 D: FThe supllier on this link has the IC listed.3 F# T3 g& o; P' G
http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)5 V. Q. ?  a" L- e5 t. C

! v' O9 x7 y: r7 P6 I% P3 D7 |; VThe German Bandmaschinen Forum thread.4 g, k+ w% g+ |- n, _. R' \4 M4 s
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http://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)
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/ }. Q% n# p; @  e' ZGru�, Raymond1 ]5 x7 h, f) c- K

( }1 x: k  a' B0 _8 t5 \Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM 5 ?" m$ {/ l$ q# E: Q
By: RODALCO
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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 A3 a9 U( a* N4 I: v

( _1 b" z8 V* V4 R0 oI 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.
( e6 b* K( w+ M. _3 b3 OThis 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
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# ]. P5 Y+ B0 Q+ r# {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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9 k8 l9 `4 i7 q# C% s零件追蹤
6 y5 x) Q5 M( c4 v( i6 Z' r) Fhttp://www.globalsemi.com/productdetails.aspx?itemno=875032100& ]7 f5 ^; r. d0 z# B% \/ Q7 D
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
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 楼主| 发表于 2012-1-4 12:59:13 | 显示全部楼层
谢谢!
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