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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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. ^' R4 ~, [) a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。/ ^) |; X; p, u) c) [0 X
控制转速的IC, SONY CX-032各脚电压值如图
# l7 u$ ]0 f- |- v' F 22-1.jpg # t" {: v# g5 h4 I5 R
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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 , v* Y5 f, T# ^( u0 A
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有人走過相同的路了
' P6 u3 x% a2 i摘自   Obsolete Media - Forum  s4 b4 ]1 }) S5 {6 d

: Q" R$ q; W& E* O5 P1 W# Bhttp://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025   E$ e1 e$ H5 }6 L: M
http://obsoletemedia.com/geeklog/forum/print.php?id=2025* ^4 c. B. ^/ W9 v# I
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4 p9 {# C/ s6 J$ o8 S6 C. [7 hChip CX-032B for Sony TC-5589 U6 H, f( l- t7 D
Posted on: June 16 2008 @ 01:43 PM ! m( g* J6 B' D% N# n# m! ~
By: RODALCO
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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.0 O1 e% f2 i# k  x5 v

2 F: A( M8 X0 ]Luckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.
- ^: S: @  l5 o  rA 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- H, \9 j! }$ n) G
http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料), {: I2 g$ q# L" U! @

% W, _. ?7 y8 p6 ]2 ~- j) B( FThe German Bandmaschinen Forum thread.
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( o8 T7 q, Q, {- x9 j) Phttp://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)4 S5 e  _1 q, q5 Q8 E

* b# G+ b' f7 x* QGru�, Raymond
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! y& @7 K+ D: S, O/ D4 h- D( gChip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM
+ R4 L9 v; m6 G2 Z! gBy: RODALCO : o* _' U$ c+ o7 }

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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?
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) W5 J, d! j$ D$ ?2 iI 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.3 a* }+ m6 {5 C& ~
This 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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) ]/ m" D, a( W" M+ V有沒有用零件做出等效的主軸控制還要進一步追蹤  c4 L( ?5 h1 V/ k* D5 T

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零件追蹤! M5 r$ a4 |  [/ s9 {
http://www.globalsemi.com/productdetails.aspx?itemno=8750321007 Y% W0 J7 G& j+ E% U3 D5 E
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7 N1 t1 r7 V6 T, S6 \. _9 K
 楼主| 发表于 2012-1-4 12:59:13 | 显示全部楼层
谢谢!
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