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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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! t  k+ m' a7 X: E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。
! l* a' h7 J4 l( t) B! l控制转速的IC, SONY CX-032各脚电压值如图6 b0 w% C3 {* c' ]4 a
22-1.jpg   X* `$ l' B0 r2 L
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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 ! y0 g' N* c4 x; N& D

3 W, E1 F2 g- {0 U& Y. |有人走過相同的路了
+ Y4 v/ E7 x" h! i8 b摘自   Obsolete Media - Forum3 [' q) R1 F0 z% ]9 L; Z' X4 v

/ K+ f' w. V- d0 m5 w7 ^! @) _) Xhttp://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025 1 a' S, l4 \) H% t! b" \5 C
http://obsoletemedia.com/geeklog/forum/print.php?id=2025$ n: R, E# u" |# Y
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& E+ Y" \7 ]/ ?$ ]  uChip CX-032B for Sony TC-5582 k" l+ a& z. a7 \
Posted on: June 16 2008 @ 01:43 PM
: ~, ?0 b' \8 u4 K1 z9 D, z1 g% mBy: RODALCO . S/ p' E/ @* w" J

/ p/ Y! R* \" zContent:
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Hi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.* @. w7 L) U3 {8 B, E& F

# X0 K. s9 C% L7 {  K5 x' M4 h# }: h& ZLuckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.
% k4 K2 N8 Q! }+ O, v* {A rare Sony turntable TTS 400 has the same chip used as well.
# k5 w$ l( Q* \9 v2 d% X- x. b- `
+ i" T% w* C  x9 KThe supllier on this link has the IC listed.
0 |7 K: O. p+ c. lhttp://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)
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5 p2 s- J% y  oThe German Bandmaschinen Forum thread.
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3 L9 e7 x: n; L8 h! K  shttp://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)  P$ P# ?" m, G2 F
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Gru�, Raymond
. [$ ]& x1 _. w  R" N8 w( g: @6 ?, r3 k3 p! g
Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM
; R7 e* R- P: C4 R+ D9 g3 s. e: J% eBy: RODALCO
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Content:
  i) z9 G% A) N. E<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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( \$ [% _' l) O5 gI 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., \8 l2 Q6 K) b+ U. v% v' w
This will help all Sony R2R users in the near future as well as our machines age over time.
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8 \8 H: x+ Z5 P; ~+ {, X/ e5 uKind regards, Raymond
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) j; V  G& \' ]有沒有用零件做出等效的主軸控制還要進一步追蹤9 ^& A( u0 U: y* D2 j% \
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零件追蹤
  l% `' s3 u% T8 `: A1 A' ]# `3 vhttp://www.globalsemi.com/productdetails.aspx?itemno=875032100  ~  ^0 z7 m9 {" n5 b% q
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. o0 r7 `7 u7 M# [. V7 M
 楼主| 发表于 2012-1-4 12:59:13 | 显示全部楼层
谢谢!
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