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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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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。
% Y; k! h" e. f: W控制转速的IC, SONY CX-032各脚电压值如图0 E5 o% D5 b1 X. O# u: W
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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 . \/ t- n+ R% e' ?8 h3 x" m

  ~# e. `" b: z* \/ N8 V有人走過相同的路了
& k# {4 b. p; T" M; D摘自   Obsolete Media - Forum4 X  R" T5 b6 ^$ K  w

! J, A) r/ ^: ^6 d1 Ahttp://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025
! \' G+ b* F: Q& ~) V5 phttp://obsoletemedia.com/geeklog/forum/print.php?id=2025, I" d) |& j6 |' K" Y4 v: J

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# H9 J6 {3 R* S% }( F. }& fChip CX-032B for Sony TC-558
) g4 k; _* g  LPosted on: June 16 2008 @ 01:43 PM . r' m7 c: y# }  H& D: C# I& a/ N; f
By: RODALCO 3 J7 M# r  a" m  ?# p

8 \. V+ n; }. h8 `Content:
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* }" I6 a. I" C) hHi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.
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* F0 S3 R' k5 Y* v$ ^6 G& zLuckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.
! k7 m, H9 P) D5 u$ g3 O9 {A rare Sony turntable TTS 400 has the same chip used as well.$ Z4 [+ ?4 U* H$ l! [! k$ x- {' v

& w5 |5 V& r3 G% ]The supllier on this link has the IC listed.0 d% {' [+ G2 `7 p4 U6 U; E2 n
http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)) `  p$ h6 ?0 D# A. N

  ^( V- Q% `. U& ]1 d. _# ?: cThe German Bandmaschinen Forum thread.2 u( A6 |+ ^# e# k# n
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http://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效); r# G* A* W6 n: X( s# T. [/ x: E

" D7 d( O# [2 i5 |/ o2 m0 C6 m) RGru�, Raymond
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Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM
) q+ O" T2 m0 d  V. B4 r1 EBy: RODALCO
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Content:
, K) z" f  V- j! t* _7 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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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.
$ r0 r/ r; r* \7 oThis will help all Sony R2R users in the near future as well as our machines age over time.' L! Q) J& t; o& l7 P
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Kind regards, Raymond) G% h6 `# H- d+ b0 F5 o
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! J+ l; s  V' W, d/ S1 K2 b8 a有沒有用零件做出等效的主軸控制還要進一步追蹤) }! c) o3 @2 r4 v$ ^2 ^8 i

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零件追蹤4 H2 I& ~* Z& q3 K1 ?9 v% m. e! m
http://www.globalsemi.com/productdetails.aspx?itemno=875032100! a, A, T& E  u% R; l9 o6 M* ?
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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