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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   y# N8 ~; A, W  k6 H) b
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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。' G4 _7 {! Q1 ]9 ~
控制转速的IC, SONY CX-032各脚电压值如图2 z+ {4 u( Z, Z  U
22-1.jpg 1 N% Z' q  V% t: |2 T
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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 2 ?5 F8 N; d  k5 U
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有人走過相同的路了+ n+ e, m/ M8 v* K
摘自   Obsolete Media - Forum( g& S! r5 R1 h( m/ M- Q. T' s7 `

' X5 b! @  x0 Q6 f/ H' ~% x8 Z4 t% {http://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025 # C4 y2 ?4 c0 P# T5 q4 o" G! u
http://obsoletemedia.com/geeklog/forum/print.php?id=20253 A/ G9 i# H  h% W1 B

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% f; ~' ]  O. {6 g$ TChip CX-032B for Sony TC-5581 Y/ w- ], D: _$ @+ }6 ]! u7 D& L
Posted on: June 16 2008 @ 01:43 PM
+ c+ Y+ I8 q0 `8 `/ n9 mBy: RODALCO
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Content: # Y- P  X; t% y- R) \- v
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Hi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.. p5 u3 ]! E8 y2 F' q

: X; F( G: C4 c$ ELuckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.3 a# [3 M! g4 D, O$ H+ A
A rare Sony turntable TTS 400 has the same chip used as well.- L; Q% V, ^! k+ C" g$ R
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The supllier on this link has the IC listed.1 v; w5 ]3 R2 e  s
http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)
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3 m* j4 O, z: L' ZThe German Bandmaschinen Forum thread.
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& o3 G) o7 h' l4 u6 n) jhttp://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)8 u. J3 L; Q, [( P  ~
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Gru�, Raymond
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8 {. d3 T9 R+ x" J. m, J" p* |Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM % D, |) X. n: U! \$ s
By: RODALCO 1 R" h) N' Z" D* u4 r( Z
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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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3 z* c0 S. T( \) G3 u+ [( [: U3 yI 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.
  e6 ^& S$ @% K3 WThis will help all Sony R2R users in the near future as well as our machines age over time.1 l) u: s' X  N' t% e2 z1 e

; v* b) M; ^) vKind regards, Raymond/ l' a) e% t+ k$ [8 q# H4 Q

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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' q: I2 g& Q6 f  v2 v0 \( a
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5 t* Q. D( b0 M/ U' ~6 E零件追蹤
3 R0 `5 _9 v8 f! jhttp://www.globalsemi.com/productdetails.aspx?itemno=875032100
+ y( y5 F' l2 w  D5 v% K% o  K39.99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1 W/ `2 |) [" ^& n- c
 楼主| 发表于 2012-1-4 12:59:13 | 显示全部楼层
谢谢!
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