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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 ) j2 ^3 P  J3 u
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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。
8 h8 A' G8 w5 F控制转速的IC, SONY CX-032各脚电压值如图" _; h0 @, E6 z& [* b# L
22-1.jpg 9 Z# n- C4 Z+ ]  I, A
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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
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; A+ o) u. y: k  G1 {. ?  ^有人走過相同的路了
) I5 p2 T6 O6 b- x' g摘自   Obsolete Media - Forum: U! F8 K' E8 I+ w7 e9 U5 K

% X$ K! a, U  w5 z9 F' jhttp://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025 0 Y+ n0 P4 L5 S0 q
http://obsoletemedia.com/geeklog/forum/print.php?id=2025# w% @& I2 a- C
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( O1 R$ _! P$ g( v: N% lChip CX-032B for Sony TC-558
6 C* v; Y! E  o! A, {Posted on: June 16 2008 @ 01:43 PM $ Q, ]4 U* D8 K# f! u! J0 c
By: RODALCO
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Content:
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* ~, l3 s' y4 l$ U) ~6 z' iHi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.3 u: C) x1 T9 V
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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.
" |$ O9 G- a% z, DA rare Sony turntable TTS 400 has the same chip used as well.2 o( }* b  w1 q+ ~
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The supllier on this link has the IC listed.
0 D9 K* R4 y# Q" chttp://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)
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9 S! {- g1 z0 u9 C) y  j; ^0 tThe German Bandmaschinen Forum thread., ]8 H, r# `, s/ K! L) u

& `- s7 v% I$ Mhttp://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)
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Gru�, Raymond
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Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM
& a; m, j6 Y  p8 t2 d/ V6 A9 r" GBy: RODALCO
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- t9 C1 m5 e  S- A% q( O5 m4 DContent:   I* b! x: R0 Q# s+ A
<b>visitorj</b>, can you make a photo of the IC and the board please ? and the schema if you have it?8 I. J. O) O% v8 k/ `

8 D- D) o1 P# g- F4 M- W8 `7 W0 dI 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.4 N7 {1 H; G( Y5 \* W
This will help all Sony R2R users in the near future as well as our machines age over time., n* S$ X: _- S/ K9 I

. T( ^, o7 O4 q! m# ]2 x$ l4 \" OKind 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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9 ^5 t' v, R; {( a2 E零件追蹤; d+ u0 {; Z8 H5 d# u9 @+ Y
http://www.globalsemi.com/productdetails.aspx?itemno=875032100
4 e& y- ~. ]3 y5 Q* v  b/ U39.99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. [! @( G7 Y# b6 d+ y
 楼主| 发表于 2012-1-4 12:59:13 | 显示全部楼层
谢谢!
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