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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 6 f  K- }1 p$ {' @2 \1 U7 J* c
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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。0 k1 o- G: c, W) S+ }' m
控制转速的IC, SONY CX-032各脚电压值如图) Z  `4 ~/ H, i3 [' v' ~
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是IC坏了还是其它问题?如坏了,求着IC一块。谢谢!$ [7 K8 D6 u. m% F; q! W
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 6 o+ t1 z* K3 Z2 N

2 e6 T* v/ s: l! Z& I. V* u有人走過相同的路了1 F2 N8 |9 F7 {* @* p/ [
摘自   Obsolete Media - Forum
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http://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025
7 ^) {7 R5 t4 h, O" `http://obsoletemedia.com/geeklog/forum/print.php?id=2025
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+ k5 W$ O6 X/ ]$ u' oChip CX-032B for Sony TC-558
1 p* ?" c% c1 ^Posted on: June 16 2008 @ 01:43 PM ! W% o8 l$ I% l3 N/ c
By: RODALCO 4 J+ w. U/ S1 \0 R! b

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- Y- b6 R. A$ Z6 nHi, 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.1 q, K8 i% W; Q7 D) F2 `
A rare Sony turntable TTS 400 has the same chip used as well.3 o/ E/ N4 b6 O* j7 y3 M7 F

& C& v! ~& w/ v& h! WThe supllier on this link has the IC listed.' M+ S+ t/ W, g  m- s; a- L  y
http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)
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The German Bandmaschinen Forum thread.' K0 ^! g9 p1 g" N# ?: |
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http://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)( V" {2 i- E# h- C2 T* l3 O

! j& b8 l0 l% S3 u4 [Gru�, Raymond: V  w' Q6 g% J- g) R* N

: c0 h/ q) {" L3 i2 _- }! \Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM 4 U# E: p/ B1 ?4 t5 S* V
By: RODALCO 5 y( Q1 W! O: w/ }

9 N: r0 A! {8 Y- P4 H% vContent:
( V% ?4 b2 j7 u1 l<b>visitorj</b>, can you make a photo of the IC and the board please ? and the schema if you have it?8 b' Y$ I, z! I9 {, g/ B4 J- x

, Z$ a) N: S  Y! L" y5 NI 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.. W# t* k( c9 ^- A
This will help all Sony R2R users in the near future as well as our machines age over time.
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6 ]/ t$ c, k8 J  U- _5 q6 O; r$ KKind regards, Raymond
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* `% ]) C. R: F7 b, \. W4 B有沒有用零件做出等效的主軸控制還要進一步追蹤
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零件追蹤
# k' Y+ L  ?/ o$ z7 Ahttp://www.globalsemi.com/productdetails.aspx?itemno=875032100
1 A. {' ?0 }, Z$ \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$ y1 Z( h$ J, H4 D7 F4 s
 楼主| 发表于 2012-1-4 12:59:13 | 显示全部楼层
谢谢!
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