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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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/ S) ~/ L" G3 F4 v" D1 S2 C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。
" E# D1 f0 W# G3 T0 B! a控制转速的IC, SONY CX-032各脚电压值如图
9 a3 _2 W; @1 C6 \) h+ B9 g- e 22-1.jpg ; k# C! W$ Z  b# Y( G8 \( ~' g" E8 v& x

: f" }6 M* K5 |8 K) c9 X是IC坏了还是其它问题?如坏了,求着IC一块。谢谢!: t# u  v5 a' g( ~  O
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 & n) G) v6 y* R# Q$ V
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有人走過相同的路了
8 F2 a0 C& G) N+ f, ?# |摘自   Obsolete Media - Forum# B/ w0 [/ Z& x! {5 G1 e5 W

! }2 p% ]0 @3 z2 x" Z3 D3 ~3 ghttp://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025   t* o0 H. q" \# B2 w" j* G6 p
http://obsoletemedia.com/geeklog/forum/print.php?id=2025
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Chip CX-032B for Sony TC-558
# D. P- ^* H, Z7 I& N6 FPosted on: June 16 2008 @ 01:43 PM 1 V8 H; w8 H7 T& |
By: RODALCO
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& F5 j' |0 b. M0 |5 w1 Q, K& UContent: : p) {7 e2 Y0 D; o8 I: _

. `8 k) i7 W1 I( BHi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.
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$ ^6 A1 \- Q5 Q0 vLuckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.
! i! A/ G3 m) g, ^& hA rare Sony turntable TTS 400 has the same chip used as well.7 l9 h8 P2 H4 \; A) K2 Y4 j3 b

9 k0 I1 U/ v3 q8 A9 q: w& }) iThe supllier on this link has the IC listed.0 _( v- e! D5 d( n+ \
http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料), W5 _" I5 |9 J

% i5 d- O, S" ?. o) L9 e# Q6 i2 kThe German Bandmaschinen Forum thread.( y5 j; r3 Y( ?, X
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http://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)
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* F  b0 ?2 T3 ~6 b0 ~Gru�, Raymond7 u$ N# j- t, M7 N
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Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM
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3 C. c5 p0 M- k2 n& W4 a) ?Content:
5 L" k( B6 t- @; b: S<b>visitorj</b>, can you make a photo of the IC and the board please ? and the schema if you have it?, s/ X# W$ G; f- N5 x& N# T; G

6 @" ^* Z% ~* l: r9 x* J, |/ jI 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.: Y  d' j- H: Y! v! F
This will help all Sony R2R users in the near future as well as our machines age over time.  }9 B& q$ G, X& R: n5 _1 d/ ^8 j

/ L3 A2 T% O3 K+ N. Q3 v) uKind regards, Raymond
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$ t, O% C- Z4 V( |有沒有用零件做出等效的主軸控制還要進一步追蹤" [/ }% z8 x8 I- ~+ \9 ~

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( \+ W4 V1 Q) T; g% p零件追蹤; e0 N2 {) ]6 `, Q
http://www.globalsemi.com/productdetails.aspx?itemno=8750321004 G4 r4 b4 r+ ^5 A+ O; o  [
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 j* u: v1 Z# u  s# T( i1 O( D
 楼主| 发表于 2012-1-4 12:59:13 | 显示全部楼层
谢谢!
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