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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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$ `+ [1 a# t  H8 E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。
( b% r% ]0 B$ h6 |控制转速的IC, SONY CX-032各脚电压值如图
. X# @) L8 r, R7 e 22-1.jpg
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; @+ v. J& t; b4 A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 ( h% U$ L% N( b% h/ A  `/ ^. A

5 Y+ Q* e+ _0 K- W( U6 {3 n有人走過相同的路了, F- c7 K; G0 h9 B4 C
摘自   Obsolete Media - Forum. q8 i3 x2 A$ @' Z; l( S

' e; L3 }3 N$ Hhttp://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025 " u- Q/ [! Z% B
http://obsoletemedia.com/geeklog/forum/print.php?id=2025
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Chip CX-032B for Sony TC-558
& y$ H  ?5 ?2 M1 }# qPosted on: June 16 2008 @ 01:43 PM
$ q* z2 V$ r2 p$ w! k0 uBy: RODALCO 6 t# y2 x) I2 D; a
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Content: ' ?. L4 J$ ]* f) H3 R

7 D) Q7 t( y; M2 xHi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.
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Luckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.
& a3 I- s1 M' L5 J- P2 Y* VA rare Sony turntable TTS 400 has the same chip used as well.
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6 |8 d" @* n" T- n+ jThe supllier on this link has the IC listed.
4 {1 ]7 f+ f4 v4 u0 F# Vhttp://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)9 I8 S4 s4 B1 x' U

) z3 [( O6 j9 t3 D' y. j( q* `The German Bandmaschinen Forum thread.
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) O' r. s! S, W" n! Fhttp://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)
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Gru�, Raymond* d/ I4 y6 i2 F* t5 r

" l7 x, x; P% b% JChip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM
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Content:
4 G! [* m8 T5 ~- A8 A# M0 P3 d3 [<b>visitorj</b>, can you make a photo of the IC and the board please ? and the schema if you have it?" Z4 o; J- t4 F' o
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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.
' P/ q3 g# F- ?3 I) Q% T  R& D( c% PThis will help all Sony R2R users in the near future as well as our machines age over time.' u2 _0 X6 G" _5 q
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Kind 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% |# {% ~% |! U0 U7 o: u
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1 @0 C% K9 S0 Y# e. `) \零件追蹤! B# t5 d, k+ O
http://www.globalsemi.com/productdetails.aspx?itemno=875032100
8 {5 }" R; R( ^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+ c! \+ Y, N7 j& C
 楼主| 发表于 2012-1-4 12:59:13 | 显示全部楼层
谢谢!
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