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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 % p" e- X1 ~& F

- N! s5 e+ K8 i: `* H" S. ^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。6 r; S* t) e, G, j' A
控制转速的IC, SONY CX-032各脚电压值如图# }+ {: T2 n8 w1 R; R7 J
22-1.jpg
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" ?% b# s7 y9 Z7 O& t是IC坏了还是其它问题?如坏了,求着IC一块。谢谢!. s( F- s/ T- n5 T$ @+ t
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 8 W$ k1 k4 m5 K5 E! b9 x" e
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有人走過相同的路了$ c& z: ]% c7 `* ^. y1 \
摘自   Obsolete Media - Forum5 O" V8 j( A* R- x& |9 k3 z

; k/ T! [0 |! V2 z  G. ?* v. R6 N& {http://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025 # V1 {4 W( @, K! V+ t9 ^
http://obsoletemedia.com/geeklog/forum/print.php?id=20251 d8 N2 f  P6 g8 A5 j' O

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Chip CX-032B for Sony TC-5584 m8 z2 _+ }8 c
Posted on: June 16 2008 @ 01:43 PM
; ]# P2 W" L" e5 c; y9 k2 D$ HBy: RODALCO
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Content: , d8 i2 Z4 ^6 u' y

- y4 @$ z# \+ sHi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.' i% A$ h" K, x; A( D& E2 L+ f
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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.
# T2 _' G( J' ^( _A rare Sony turntable TTS 400 has the same chip used as well.. N; T% ?  v  s7 a( b8 y0 Q

2 ]7 W8 o; K3 G- r- bThe supllier on this link has the IC listed.
2 K6 E% f4 ~; n! g" L/ S- Hhttp://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)8 s- a( r' `% S) f2 \' j. r  E7 Z

; e" B- G" O6 v; d$ p% [! @The German Bandmaschinen Forum thread.
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http://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效), @! W0 `# j9 u8 g2 C* I% j

& P* P7 T) O  K1 z/ |0 y, v; OGru�, Raymond8 I7 C9 ]0 U2 v4 @
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Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM & f* Z) m$ Z7 W# r$ r8 O
By: RODALCO
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! I; j# ~4 A4 W! J2 I; T: Q3 wContent: - w6 f5 Z8 Z0 k2 Z" K
<b>visitorj</b>, can you make a photo of the IC and the board please ? and the schema if you have it?7 e4 ]" Y+ g' \" H) X& Z- V$ ^& R

0 o, B9 S0 _( z, r4 iI 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.
6 x  l- r+ d! f- V$ |This will help all Sony R2R users in the near future as well as our machines age over time.# L8 m) z+ w! f9 G6 a$ U
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Kind 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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零件追蹤
* g4 k# e2 m9 ?/ l  x- d- _! }  Lhttp://www.globalsemi.com/productdetails.aspx?itemno=875032100: C! v' C! i! M1 R7 |
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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