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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 . H+ G1 p1 x: e; B) P

3 D. S8 V# Y- |9 c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。
6 A2 V7 M  o' A  ^  o* Y6 m控制转速的IC, SONY CX-032各脚电压值如图
# t+ \# K+ L: R/ O# P1 A0 y$ o 22-1.jpg
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5 W3 F/ [  s; _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
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6 @0 n5 }9 x. Q8 b2 O+ n- `6 E有人走過相同的路了0 M; p, O$ u' u. c) O! y- y  R
摘自   Obsolete Media - Forum. F5 U& u# a/ ~8 m4 N, a
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http://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025 & n8 `9 Z7 A# G, [0 h
http://obsoletemedia.com/geeklog/forum/print.php?id=2025
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Chip CX-032B for Sony TC-5582 }7 @8 b% f1 w+ @; e- d
Posted on: June 16 2008 @ 01:43 PM   H: @% r& o  G. ?+ d3 {. {1 v2 Z
By: RODALCO , w% @- O' M/ \( o+ }/ `* [5 H: {: \8 U

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Hi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.) K7 C. l! y% I5 U1 ]( s

6 }; T; d  W1 V$ ^Luckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.; l" `3 s% R8 [5 M& T9 w
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.9 |  U& C: x; c. [0 d$ {- d
http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)% j+ K# R4 n7 Q6 a/ S

& u. r1 q# O3 WThe German Bandmaschinen Forum thread.% K" u" a8 R5 b; s
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http://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)
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Gru�, Raymond
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Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM % ^3 I8 n! L) D  W; F( B
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 K1 g$ f  W. m; x' k0 v
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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.8 ?# q3 \2 o( X' @$ j6 n
This will help all Sony R2R users in the near future as well as our machines age over time.
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- _0 D  l! Z# S  c8 |7 bKind regards, Raymond$ b# P7 h* H" c- [3 }2 o* z
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/ y: Z* i9 m0 o3 h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+ D+ b" m6 Y: u0 k. M6 A
http://www.globalsemi.com/productdetails.aspx?itemno=875032100, {7 V6 Y0 y$ R2 A+ K) k0 |/ _; t
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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