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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 5 z3 p) n- t0 x0 v/ o6 u

: Y/ }' m7 B! A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。' T  `6 o$ a6 N1 K% F& G0 h- s9 R
控制转速的IC, SONY CX-032各脚电压值如图
$ Q' K+ |. L1 Z 22-1.jpg & {  K  I$ m) A6 q' |
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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 ; q7 t1 s5 L& V1 y( X
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有人走過相同的路了2 L( t, U. T& u* q
摘自   Obsolete Media - Forum- N' T. {( m# _9 d' e
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http://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025
+ A# L6 }. I+ h: o( Uhttp://obsoletemedia.com/geeklog/forum/print.php?id=2025# f) R2 g. X+ N3 E# W

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Chip CX-032B for Sony TC-558
4 w& M0 e+ c) w& }& f: a6 ePosted on: June 16 2008 @ 01:43 PM
' {* ?# n9 V# G3 f0 ^2 O5 b8 @0 aBy: RODALCO ! L( }5 }; T' p% A/ E3 ]8 `

8 ~, S' L8 L: A# ^2 EContent:
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Hi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.
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, o0 T+ s/ z- F8 g: u+ F: s5 zLuckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.
$ ]; b& }" p1 U+ G) w8 _A rare Sony turntable TTS 400 has the same chip used as well.
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0 {0 p: E$ g. T& r% W( jThe supllier on this link has the IC listed.8 x+ n9 A0 v, c" t! Z, D
http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)8 g  J& N" l3 V! {& v: h8 D

& M* ~; @/ X+ y% L0 x! R1 FThe German Bandmaschinen Forum thread.
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http://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)+ K3 c1 a5 ]2 ]- C  c

; h9 L0 W( D! h$ L2 j' dGru�, Raymond, U! x; C+ t. G2 h; J, r
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Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM
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Content:
- D& f3 E( z! R% \<b>visitorj</b>, can you make a photo of the IC and the board please ? and the schema if you have it?% g; e5 M+ y9 ~. Z7 f$ C2 ~) Y! C+ x) X8 K

# g) [  u7 S0 C1 @3 I: H& }5 ?! v3 V3 `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.* o% z* H$ J4 t8 ^
This will help all Sony R2R users in the near future as well as our machines age over time.
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Kind regards, Raymond- y0 a$ ~( n2 e. Y; N9 `, k" U
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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
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' w  E( K" T! U+ T零件追蹤
+ r4 O! N& p  ?1 F# a% Rhttp://www.globalsemi.com/productdetails.aspx?itemno=875032100
8 ~, x+ K4 [/ N8 H+ j39.99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. H, v$ z5 L% E* c1 H2 r' z
 楼主| 发表于 2012-1-4 12:59:13 | 显示全部楼层
谢谢!
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