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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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. \! g2 e: p7 K( v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。1 m1 t9 C" c+ R) j: J: j: R4 m5 V
控制转速的IC, SONY CX-032各脚电压值如图1 S1 q; ~  u' n7 G" s& ~& z; X
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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 \; U2 r3 y$ |2 D) i: q
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
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有人走過相同的路了% j/ v" \3 l# n
摘自   Obsolete Media - Forum
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: X3 j5 }# {0 ~0 `8 s+ Zhttp://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025   D5 W! D5 i# Z9 w
http://obsoletemedia.com/geeklog/forum/print.php?id=2025
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Chip CX-032B for Sony TC-558
! m3 u7 h2 {* Q& t+ Y; B7 ]: XPosted on: June 16 2008 @ 01:43 PM
# E" @' z) P2 o9 |; ]0 YBy: RODALCO " P2 d0 g- |3 {. P

0 _- P# ^% W$ L( dContent:
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; G' v  t- [- U9 S4 vHi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.& R' v% X" ?% ?( A3 n
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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.
& a7 `/ V5 `+ S- i3 T5 ^A rare Sony turntable TTS 400 has the same chip used as well.& I1 K0 ?, V. L; |5 ^9 ^. ]+ f. F0 v8 U

5 {9 I  @! R+ ^( f/ pThe supllier on this link has the IC listed.
5 ^+ _4 @4 I1 K0 f" Vhttp://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)4 c: \% ^: v& G4 K) o: ]: p

& h5 J' r, O; O$ x1 IThe German Bandmaschinen Forum thread., |; ?9 l7 |0 X

% ?! k0 m. n: ^/ o- Yhttp://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效). F0 E- m: J6 J( Q

, a- a7 V# _3 q8 N4 p0 GGru�, Raymond3 \1 K5 r5 F* d
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Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM
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<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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, W0 b; M! p8 P- qI 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., a+ }( x" c1 c
This will help all Sony R2R users in the near future as well as our machines age over time.# p( t+ b, Y' E" R
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Kind regards, Raymond; n7 O: u) s- C; R2 x+ c, p) q0 C
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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: u4 x5 z0 I# Q% E4 x3 A

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零件追蹤& D+ k' ~& p6 d5 N
http://www.globalsemi.com/productdetails.aspx?itemno=875032100$ D5 p2 b9 ]' Z% J6 d
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4 e! V1 k! _' {9 }1 p
 楼主| 发表于 2012-1-4 12:59:13 | 显示全部楼层
谢谢!
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