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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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, z1 r+ H: ^* j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。
/ d8 y9 V4 p% z* W- y  s& J控制转速的IC, SONY CX-032各脚电压值如图9 T( x  a% P4 j' X( ]& n; r& a
22-1.jpg 5 _# n' v0 c  r% k" ~' r# o! B2 J

/ T( V4 b% E. ]& H+ A% c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 ' Q" }+ q  L5 E  A
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有人走過相同的路了
2 _# I" o, v: ]4 |9 q* Y) l4 e摘自   Obsolete Media - Forum. ?' L9 m& G: [2 G* D

  y* e1 T: _' w0 O$ z8 R6 d: ]http://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025
6 n+ I( g9 A& ?$ s$ i! Mhttp://obsoletemedia.com/geeklog/forum/print.php?id=20253 n3 L9 J1 r5 O

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Chip CX-032B for Sony TC-5587 y8 Z1 ?* J' w8 H: Z
Posted on: June 16 2008 @ 01:43 PM 5 O" c0 y& g5 b5 f; @: O
By: RODALCO + e% n, n2 Q  I/ g

! u- {/ Y; i" B4 E, j* x+ F1 {Content: % g' X* q7 W* l; V* |

: }4 t9 D! q2 hHi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.2 Y. `: x3 C1 B, K( ^

% Y$ G: U2 b4 Q# D; m9 ELuckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.
% Z9 x: I4 _# M# f9 iA rare Sony turntable TTS 400 has the same chip used as well.8 a. Z1 q4 z% N7 J6 W
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The supllier on this link has the IC listed.
& [3 Y1 j* v4 b) r. @http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)& O0 _  y3 r7 F* t6 _% w4 F" |
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The German Bandmaschinen Forum thread.) b: `7 a+ `# X$ x2 h& t
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http://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)5 Z# _/ w6 |/ }* }

/ i$ Y3 I; d) z% _$ R' y4 L  j9 KGru�, Raymond6 z1 f* N+ k% F: m- V% U
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Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM
# L: I$ d- T8 D, JBy: RODALCO
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& k1 p9 N7 ^; H$ X<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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) e* A  Z- \" 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.
, r* n. t0 u0 }1 c$ S- T( bThis 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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5 `  L9 c, U" O2 R) x4 U" L$ S7 z( E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
7 `( X' f0 i- H% S6 s/ N) |4 @http://www.globalsemi.com/productdetails.aspx?itemno=875032100
; v  k0 u3 l! v6 r+ K7 v39.99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9 u2 u- b3 C2 q4 _" J$ b( v
 楼主| 发表于 2012-1-4 12:59:13 | 显示全部楼层
谢谢!
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