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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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& b4 O1 n3 N( y8 R  w  u: U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。
- g/ U+ n, ?6 a7 [/ V控制转速的IC, SONY CX-032各脚电压值如图
: B! ?4 N  t3 o* r) F: M- d 22-1.jpg
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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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! s; D3 k* E% w* |- p$ m& Y4 W/ g; B. |有人走過相同的路了
5 s* Q9 ~- F: k% Y3 b摘自   Obsolete Media - Forum
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http://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025
" C3 T5 w9 j  d8 K) xhttp://obsoletemedia.com/geeklog/forum/print.php?id=2025
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% f, K5 O& [" V; u) R1 V9 G1 @. eChip CX-032B for Sony TC-558
6 z- `' |- U2 L6 A1 g( ~$ ZPosted on: June 16 2008 @ 01:43 PM
2 s/ z, ~: ?4 b% V' A; A5 K$ qBy: RODALCO
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Content:
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Hi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.
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: s; C5 r5 Z$ eLuckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.
* I' l- B, L9 K$ pA rare Sony turntable TTS 400 has the same chip used as well.
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7 h1 R8 \# _. e$ sThe supllier on this link has the IC listed.% D$ b" U' z0 P0 M8 ^# s# S3 M
http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)" U8 K2 i! b$ ?" T
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The German Bandmaschinen Forum thread.
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0 d9 x- ]/ z! I8 R- ]http://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)
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3 k, Z9 Z( ~) AGru�, Raymond
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Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM : N4 ^  c; f" Y  R' }
By: RODALCO . F5 m9 }# f" Q8 D, n' o- S

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2 s! t& q# o( a7 `! d% E2 a<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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7 J( a3 P! g% W# R( 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.9 a' N1 |- i) x! m+ g
This will help all Sony R2R users in the near future as well as our machines age over time.
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3 b8 f  v; i! S* S* LKind regards, Raymond( j% R7 F: t$ A# i, x

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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7 u7 B2 M6 j1 M7 B  ?* B; J5 X, j6 m
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. U, T- D9 z- W- E' p零件追蹤
8 ?0 t& t0 }' thttp://www.globalsemi.com/productdetails.aspx?itemno=875032100
' {6 P+ X9 M- ]7 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
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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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