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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 h( N' M; d$ m5 C  j

$ M/ B- e+ }8 n) n  q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 @# t: i) f! s% P) A
控制转速的IC, SONY CX-032各脚电压值如图6 I$ X/ x- d# f2 D7 L4 z5 |' X
22-1.jpg
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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
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  n, ~2 ?: ]" L有人走過相同的路了
- C/ x7 ?2 G! x5 c* E; k摘自   Obsolete Media - Forum
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http://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025 0 b; Y' h% E- p- U9 H
http://obsoletemedia.com/geeklog/forum/print.php?id=20252 v2 `8 |7 M( [3 o, J' [1 [

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Chip CX-032B for Sony TC-558; P5 r" U/ [# Y) t! Z6 E& r
Posted on: June 16 2008 @ 01:43 PM # w# L; V' a" l$ F# }4 i0 K
By: RODALCO
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" R% L+ ]4 @7 p4 B1 G6 j7 \4 oContent: 8 m, {' C% g' I; ~  a2 w. ]& K

0 ~- q+ B5 x6 K! R( b2 vHi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.5 U7 F+ q0 t* o& F$ T6 c

; z. U8 k& h; E2 E5 A4 nLuckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.8 X& X. ~* M1 _' N, n
A rare Sony turntable TTS 400 has the same chip used as well.6 r! c+ e1 G2 S# H* ?; u, S6 K+ j

- p, s8 V6 o7 }! C. B* |# z8 D/ XThe supllier on this link has the IC listed.9 l2 ?* `& D4 o; t3 }8 b
http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)! w& n( I- N( O+ I" V

9 C2 p5 \% P+ ^" l9 {' [2 BThe German Bandmaschinen Forum thread.
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http://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)
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  [. k1 X; |; j6 u: G  c6 d* _: LGru�, Raymond
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Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM & z, U6 b2 e9 }5 n
By: RODALCO
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Content: 7 [0 |: V4 S0 g1 Z# y, j! Y) u
<b>visitorj</b>, can you make a photo of the IC and the board please ? and the schema if you have it?5 ]5 D; T4 O1 b4 o- `$ y1 h
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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.
4 @. n4 U8 k8 }/ n7 lThis will help all Sony R2R users in the near future as well as our machines age over time.5 Q. w2 \+ l3 p% l2 Z

& N; Q. M$ L' u) M  KKind regards, Raymond
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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) i- d, x; d0 u* Q0 n) R
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! ?. m  ]5 H, Z) _' b' |零件追蹤5 ]( e* f# n+ \2 }( A% r: c1 l/ b
http://www.globalsemi.com/productdetails.aspx?itemno=875032100
; o; v2 U$ f7 M' z: z* B39.99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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