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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。  Y; A8 s$ U. ~/ s
控制转速的IC, SONY CX-032各脚电压值如图
  N$ J" G% ]7 _& ]& f% s3 M 22-1.jpg 2 F: L5 w1 f: V1 ?, ]; b$ j& @
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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 ( X! @3 P& }6 ~1 |) \
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有人走過相同的路了
  N+ G, U) u. E* ^' z5 t: p+ `摘自   Obsolete Media - Forum
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http://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025
! r; H5 R0 e/ a% e  shttp://obsoletemedia.com/geeklog/forum/print.php?id=2025
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Chip CX-032B for Sony TC-5580 Y4 G& G7 o. r  `! L8 T7 ^( C
Posted on: June 16 2008 @ 01:43 PM ) B! D7 Y4 ~1 V2 H. |
By: RODALCO 3 J1 v+ {; B$ q' I( G7 v
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Content: 8 a0 E, `9 R6 u& G1 _6 q

. }; X" o" G- w/ d7 P5 n2 V) Q' THi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.6 G7 Q) V. q& r" I' }% E  R/ F: ^3 r

7 F2 Q1 _" V  Y" G5 a. R# a- E3 J8 GLuckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.
. i0 U, _# N2 M  m* I; `: HA rare Sony turntable TTS 400 has the same chip used as well.6 f. h* y( [1 K$ ]3 x- r
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The supllier on this link has the IC listed.
; f# H5 V4 y7 k+ B2 Mhttp://www.prelcoparts.com/sony.pdf                                             (沒有相關資料), p: E+ B; {6 i5 H/ ^( W% O" K: G

5 a) x: h/ q0 f9 F( C' F; b: _The German Bandmaschinen Forum thread.
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- q0 ]$ C9 S: W+ Z- {http://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效), J, W2 a) N7 T/ ^
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Gru�, Raymond. N% O7 e2 e) W  Y& s  J) h

6 X6 d# w: O9 w9 o8 H  W3 IChip 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?, n, a# ~6 q& h

& F  w% a, }9 d! n% RI 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.6 f! b$ Z- _( U) c4 \
This will help all Sony R2R users in the near future as well as our machines age over time.0 A- n* U0 Z+ z* Z$ s

6 Y2 i- ~0 V# g6 Y) U7 N& C% MKind 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
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零件追蹤' {& ^4 b- v& L6 I3 Y0 H3 `
http://www.globalsemi.com/productdetails.aspx?itemno=875032100
; l8 A1 ?2 J( L4 s5 m0 g39.99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7 N, n7 e- ^  P, k3 Q1 C
 楼主| 发表于 2012-1-4 12:59:13 | 显示全部楼层
谢谢!
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