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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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+ v& O6 \- J7 e6 _! D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。! g7 y$ e' h+ R1 i* v
控制转速的IC, SONY CX-032各脚电压值如图
( l& `5 S. `& e 22-1.jpg % n3 c7 `6 S- J+ z: |
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是IC坏了还是其它问题?如坏了,求着IC一块。谢谢!' v1 p0 O7 T/ u1 R
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 1 ^1 \. s4 E: x- u0 l$ j
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有人走過相同的路了# V/ r# u! ?1 |
摘自   Obsolete Media - Forum4 F3 b9 {! ]( A( v6 h" D) h

  Y: N( F( }8 n0 o4 S! D: Ahttp://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025 7 I) I7 r  s- P) H' S/ B, f: X4 f
http://obsoletemedia.com/geeklog/forum/print.php?id=20251 C! S" D5 W5 O9 b$ N

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% M3 l# a* E  U" x' @/ ?8 rChip CX-032B for Sony TC-558% R- k' U* L5 P: b
Posted on: June 16 2008 @ 01:43 PM
7 {! H% h) p8 F7 c9 Y# N# sBy: RODALCO
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4 d1 n) T/ i* m: K6 ~Content: / t+ h- d. Y* t, ]" f

/ X0 h/ {' B8 KHi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.6 k- t0 ^7 K" p( M  B
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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.9 e' I" l# U4 H1 T9 h
A rare Sony turntable TTS 400 has the same chip used as well.. `( i6 X2 @2 w0 z5 q/ f
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The supllier on this link has the IC listed.
" c2 B' |# e  W( w1 }- k; Fhttp://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)+ q! R; _6 N  z

2 A( S) G$ i5 z' B0 }The German Bandmaschinen Forum thread.2 l, S0 `8 B$ J$ E
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http://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)6 e2 m) g( V* I2 e) P

$ V/ C7 l3 r' ^0 i$ k- l7 r2 Q0 X6 H9 HGru�, Raymond
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6 g' [2 ~0 p7 t* _* Y; \' m; QChip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM
% d5 C5 Q+ |2 y9 J# iBy: RODALCO
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Content: $ Q( a" F8 p$ N9 B1 E- j
<b>visitorj</b>, can you make a photo of the IC and the board please ? and the schema if you have it?/ P, w8 u1 M! J0 K

0 [8 O* B9 Z7 l2 v: \2 _  c: a. XI 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.
( f; q% m9 d: `3 i7 t& _. uThis will help all Sony R2R users in the near future as well as our machines age over time.
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5 J8 {1 O7 q$ N" t# N5 bKind regards, Raymond$ E1 E" U0 e- o5 V' v. t

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; d7 H: t2 O7 C) @  H有沒有用零件做出等效的主軸控制還要進一步追蹤' q8 @/ U' [) `9 d/ G
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% L1 s4 U/ {- b% o/ O- @零件追蹤
# _, s% v0 h* V& R* E, Ahttp://www.globalsemi.com/productdetails.aspx?itemno=875032100$ c, x/ U! r0 x! d6 _& {
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
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 楼主| 发表于 2012-1-4 12:59:13 | 显示全部楼层
谢谢!
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