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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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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。8 Z0 l1 z0 b) S3 _3 H5 h# E) |' J+ @
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!/ _$ Z# j/ V) s7 c% p0 F
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 , }8 D- }. I  T) E
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有人走過相同的路了
* [% V7 w5 }8 L( i摘自   Obsolete Media - Forum' [1 F3 u# Y) z! f# e' p: _0 l% m
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http://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025 5 ]$ c' J, ^- M9 L0 [8 K6 w
http://obsoletemedia.com/geeklog/forum/print.php?id=20255 ~9 d$ o* [; r! ^

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Chip CX-032B for Sony TC-558
3 O/ W: }8 a  R' s# Q9 HPosted on: June 16 2008 @ 01:43 PM
. X& {2 s% i9 o) xBy: RODALCO
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Content: - z/ @' l. ?8 e$ u
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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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0 w  O. o0 N5 T. |. a8 O' h+ ULuckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.( l3 C$ A9 o( o) O- y
A rare Sony turntable TTS 400 has the same chip used as well.2 F: n5 v7 C8 ]* p$ M

  U. a: h( _* h! }The supllier on this link has the IC listed.: s- V' B' c7 w+ l
http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)
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1 q7 t5 D' ^' q/ AThe German Bandmaschinen Forum thread.
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+ b* B/ n/ Z! y) b) f( vhttp://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)4 X0 n6 B- o4 D8 c! B
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Gru�, Raymond* {9 u- h, `2 p% G& F6 e9 N
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Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM 4 P+ F+ K$ f# f" ^% K' W* M
By: RODALCO 1 P$ j. P7 V: a8 k5 L

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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?' P( r3 \3 h# v' n: t" D3 e
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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.
' ^1 y8 Z! E: ^  f% z' V9 k3 GThis will help all Sony R2R users in the near future as well as our machines age over time.
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8 J" }  n# i, L" h# h% RKind regards, Raymond+ A) O6 b8 N( A3 U

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3 A" u# p4 Z' N+ O# a有沒有用零件做出等效的主軸控制還要進一步追蹤: A3 _  @1 q9 M

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, c# w+ ~1 N# U1 u零件追蹤1 X/ D' p3 b) ]2 ]( N; D
http://www.globalsemi.com/productdetails.aspx?itemno=875032100
0 G- s, p$ g- H: \, p39.99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- ?4 X4 [2 e% H
 楼主| 发表于 2012-1-4 12:59:13 | 显示全部楼层
谢谢!
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