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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   O' |' n  M" M5 u

; X, A+ |! }2 D6 D" e5 ]+ b9 ]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。
2 g/ f/ z' m) h! L2 Q* C3 ~2 n1 x控制转速的IC, SONY CX-032各脚电压值如图
; S/ J, R" `: W! p 22-1.jpg
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  z: Y- d" Z$ X: K* s) C2 n是IC坏了还是其它问题?如坏了,求着IC一块。谢谢!: S( Q7 J9 B3 |
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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" z- b9 ~) |- d: Q3 x8 \! o有人走過相同的路了/ [7 g7 ^# `: S  U
摘自   Obsolete Media - Forum/ v, \* G& l7 B9 b

9 [6 X* X2 Q& p! N( N! F5 H: Z4 ^http://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025
8 J1 m/ u( a  c4 l  [6 {http://obsoletemedia.com/geeklog/forum/print.php?id=20256 ^7 p7 A& v  T
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Chip CX-032B for Sony TC-558
7 W% b: n* i' @4 z4 h0 s4 z  DPosted on: June 16 2008 @ 01:43 PM
/ ^1 F% A$ V' c' X, T$ g% G$ ABy: RODALCO & y+ o& p4 U2 ~/ |' j+ s
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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.( \) v" G5 [; I

/ E) Z3 F% m+ J* I% s8 j; SLuckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.
/ ?# _3 g& ?! B& xA rare Sony turntable TTS 400 has the same chip used as well.
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% q( a  P1 A) t1 h% J' GThe supllier on this link has the IC listed.
0 R+ B- |' D! zhttp://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)
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3 B; }& s. K( E- Y, A& S4 ZThe German Bandmaschinen Forum thread.' j  T- l+ D: h. [0 M

4 Y) H, _7 Y/ s' Jhttp://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)
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Gru�, Raymond
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Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM * t0 s! J9 z7 [7 K$ I
By: RODALCO
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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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. f6 v7 V) B' I, |: i# V) c) zI 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 d: k% `( B# c. D! P  L( b5 Y4 r, u- |
This will help all Sony R2R users in the near future as well as our machines age over time.: I% D6 X; C! m( Q* b
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Kind regards, Raymond! j$ C% j6 w8 F* U7 P

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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* m, z  @4 g/ a0 Z. d' a/ J( S

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/ r; g2 i3 k2 z* f零件追蹤  `( x' D% L, m6 K+ b
http://www.globalsemi.com/productdetails.aspx?itemno=8750321009 y# c3 v1 r4 C4 _$ w0 Z0 N5 t
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
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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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