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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 , l  d3 K, q- G1 P5 y- u( O

+ Z8 v- `9 _8 x+ T; _; ^; d# q) M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 P8 a0 W6 n' X6 ?6 g9 d* g
控制转速的IC, SONY CX-032各脚电压值如图8 E$ }9 K- X# x" E( e4 Q
22-1.jpg 6 K6 m% p. @' p! s+ I' U

; y3 J  z+ o: e" T5 {" K( h5 B1 x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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有人走過相同的路了3 N) H$ v: _' l! r# [6 J
摘自   Obsolete Media - Forum! R4 b. o0 q% |) C
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http://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025
% Q4 W8 `  A% Z) \' |4 P* Y4 [3 @http://obsoletemedia.com/geeklog/forum/print.php?id=2025, p' H- I. @, [! Y
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Chip CX-032B for Sony TC-558
$ z6 x+ `5 f( @6 [8 F! |Posted on: June 16 2008 @ 01:43 PM
" }8 M# G% K+ D7 X- h; s/ VBy: RODALCO $ p4 X  g( ^1 M! V6 M! b* R
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Content:
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* f0 }  H2 r( x& D" ]Hi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.
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Luckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.
# {; c; h( a$ ]% E1 h. g; WA 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.
, J, p" Q' h& w  jhttp://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)
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The German Bandmaschinen Forum thread.
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http://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)' `6 F( D" Z5 D% |  X

( t  O5 V: C! I. m, R1 W4 \3 g7 wGru�, Raymond
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Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM ; c! M+ X, R2 X
By: RODALCO
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Content:
8 d- q; }' ~5 d6 h$ e) `<b>visitorj</b>, can you make a photo of the IC and the board please ? and the schema if you have it?7 @0 R! }9 b' b6 P+ `. L
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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.
3 k1 ]8 \# Y) e! J: MThis will help all Sony R2R users in the near future as well as our machines age over time.7 G* c1 V1 Y: ]

3 u- S# k5 X4 T/ E9 L+ TKind regards, Raymond/ ~5 ^6 v; Y; A' n

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有沒有用零件做出等效的主軸控制還要進一步追蹤/ }/ x" U2 S7 E8 j9 J) L  V& C1 I

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零件追蹤
) l6 K* b7 ?2 E+ |. h( S/ B0 xhttp://www.globalsemi.com/productdetails.aspx?itemno=875032100
) w5 y9 I) D2 H* e) V7 |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( Q5 k2 r/ m% D
 楼主| 发表于 2012-1-4 12:59:13 | 显示全部楼层
谢谢!
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