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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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) K) f& Y4 F1 ?3 l2 R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) Q1 ?9 c7 R
控制转速的IC, SONY CX-032各脚电压值如图- r& B- E% x, q% R+ F3 [
22-1.jpg
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6 Z! C, u4 a7 i; W8 l$ }是IC坏了还是其它问题?如坏了,求着IC一块。谢谢!+ o8 O- h2 O7 t- ?! k" Q; q
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
6 m1 p9 D: i2 D3 W: V2 v摘自   Obsolete Media - Forum7 H9 \1 T# s$ o/ k* _7 K2 d6 Z

$ s5 [# x- t( q4 `& ~2 rhttp://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025
% H% v/ g7 h8 |; g5 C( |& M% n" ohttp://obsoletemedia.com/geeklog/forum/print.php?id=2025
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  ^; D4 q4 m0 nChip CX-032B for Sony TC-558' V* A, I. k; a# \+ t/ x8 z; L/ p) H
Posted on: June 16 2008 @ 01:43 PM
6 o+ I  y5 y1 q5 h% WBy: RODALCO ( O+ _" e# Q% ?
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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.1 X' T; R7 h( Z! y4 B

* }9 E8 d6 M. CLuckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.
9 I( H1 [# X2 Q% v1 Q; A4 h( u. jA 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.( a# ~" D5 D' e/ Y& C0 X
http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)9 t( u/ F! j, U1 j
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The German Bandmaschinen Forum thread.
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0 o6 \, J4 p" ~3 h8 s3 L3 fhttp://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)9 I$ O5 S! j% E2 L  U6 e+ D- q2 H

: ?  r5 n( |, G4 r6 SGru�, Raymond; K7 o; _  a$ B( R
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Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM ( S7 j; O- r2 G+ z; U% H' d
By: RODALCO
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4 z: T9 p- Y3 }/ v<b>visitorj</b>, can you make a photo of the IC and the board please ? and the schema if you have it?3 m9 W5 J. W% L

1 |8 t6 X5 `0 f% s' b8 w- b! C, DI 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.# r- W. d$ k$ k
This will help all Sony R2R users in the near future as well as our machines age over time.% P4 z$ l0 Z9 _0 w" a% B8 j

9 R$ Q. j* U" u) NKind regards, Raymond6 r5 ^- O: V, w6 n) h- ~+ B

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4 Y' @* D; a9 k6 V- k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
" [; w1 h0 A( |/ V$ P$ _http://www.globalsemi.com/productdetails.aspx?itemno=875032100
8 v6 d" }  v! Q, s, M8 E1 z39.99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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