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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。
# s! B# D9 ]( X4 O2 o' d控制转速的IC, SONY CX-032各脚电压值如图3 S% |9 f) d6 z9 k+ ~$ n
22-1.jpg
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& |$ V5 F2 @6 |* N$ g  s是IC坏了还是其它问题?如坏了,求着IC一块。谢谢!' d6 E4 W3 R' C& a- ~0 i
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 3 H% [0 ?7 @; u5 z+ R# i" X

; S0 d2 j& b: c) M* n" Y. ~% U有人走過相同的路了
6 {+ e5 Y) E8 Z8 i: o# O+ d摘自   Obsolete Media - Forum
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http://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025 , o* h3 A* L; f4 o
http://obsoletemedia.com/geeklog/forum/print.php?id=2025  {3 I+ L2 S. w7 ?2 s

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Chip CX-032B for Sony TC-5584 Y4 }4 S* @. s1 F7 D
Posted on: June 16 2008 @ 01:43 PM ' Y+ k5 ~8 I3 W$ d& ]2 i
By: RODALCO , p! ~8 o+ R5 E
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Content:
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9 i7 e& c3 X* d+ S$ BHi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.  v/ y  Q! b- d0 J# h' G

/ x6 }6 \- K) E7 ~Luckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.
- P+ D+ |, H  _A rare Sony turntable TTS 400 has the same chip used as well.6 F+ v+ s% B3 d1 X& D% D) M" @. m
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The supllier on this link has the IC listed.. `3 R4 Y0 U3 C; w6 y5 g6 }
http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)' o( z8 n- c; m0 M+ S0 _% w0 ^  m
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The German Bandmaschinen Forum thread.* `, a# ]7 |2 ~9 C) u5 I* q+ t6 B9 n

1 s% D5 I  ], J6 u# u% Thttp://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)
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; O0 l/ H- d& P) VGru�, Raymond9 s* [# ?1 s7 ?  I
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Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM 2 I- ^* k6 N5 Y3 i3 G' \% y% O
By: RODALCO
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Content: + q) J  v6 C" m# K* Q
<b>visitorj</b>, can you make a photo of the IC and the board please ? and the schema if you have it?# N* q+ H3 g4 F) Q; S6 l0 i- Z

# o' F5 r( O# u( [% E4 T) ]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.
* h8 P; n6 x! [1 s' NThis will help all Sony R2R users in the near future as well as our machines age over time./ X9 a3 `4 {6 _7 P* D% |; {0 p

9 Z- c7 R/ A& c0 h5 a4 T- UKind regards, Raymond
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: ^$ v$ e/ C1 s7 e4 I! ]有沒有用零件做出等效的主軸控制還要進一步追蹤) b% u; p6 x- ~7 p
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: Q, F$ O8 f+ N零件追蹤
: b; }- g" s4 B+ _http://www.globalsemi.com/productdetails.aspx?itemno=8750321005 y( J( v: g% @% u
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& r& h# l" J6 b2 ~; y  N4 p
 楼主| 发表于 2012-1-4 12:59:13 | 显示全部楼层
谢谢!
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