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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 0 R. C1 p, i$ _" O+ ~7 a

+ ], j! Z/ y( P' @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。
3 S! \( X  r' Y+ |7 a: U控制转速的IC, SONY CX-032各脚电压值如图
/ Y9 v4 o' R, I# H+ E$ N, s 22-1.jpg ) x$ @/ d5 W5 g) b, w2 k- [) g

1 o3 B( ^5 B/ x2 N, P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 8 l; V& H5 }3 s. @  Q2 X
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有人走過相同的路了: t+ p" {, B7 w3 o# U
摘自   Obsolete Media - Forum
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http://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025
5 h- ]" K6 L! t* l: C( Z0 Dhttp://obsoletemedia.com/geeklog/forum/print.php?id=2025$ a1 l( Y6 Z& g) U4 p2 w& n

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8 H, e- M1 R7 s& fChip CX-032B for Sony TC-5588 W4 e% T. ]1 m2 K
Posted on: June 16 2008 @ 01:43 PM # d- |' f8 ]) i+ K) X  v8 j6 y
By: RODALCO
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# C1 F7 w2 I' hContent:
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Hi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.- L/ e8 B5 @$ F: A9 }5 J

3 D* x( f' G  `! vLuckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.
0 \# Y! D: }, ]4 L( h# uA rare Sony turntable TTS 400 has the same chip used as well.2 `  f! s* B, \, K7 {3 c) u( ~
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The supllier on this link has the IC listed.( w& j) i; h# f) T3 b
http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)1 F! u+ P: A' C3 z8 i% o& |

( z, L3 o! m1 pThe German Bandmaschinen Forum thread.; ]( z" C. P) e- v6 E

3 ~3 {3 \4 z& }( Hhttp://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)
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Gru�, Raymond" L* S# a/ U) T; Z2 V
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Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM 1 B8 }! s! n  v( B
By: RODALCO
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! s- U' u, m' }. {4 B. g( KContent:
& o' C; X6 {2 J! c; e" q$ p. o. m) o<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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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." f3 q" w, e: [& m5 E
This will help all Sony R2R users in the near future as well as our machines age over time.$ c- w% L" s  X0 N

7 h0 b5 U( ]: b/ f6 kKind regards, Raymond
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- H1 g. w' W6 T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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- F  H: S& j7 @! V零件追蹤" [- X+ z8 p% w: x: q
http://www.globalsemi.com/productdetails.aspx?itemno=875032100
& s* `9 R  U# Z( X. Q' |8 f39.99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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