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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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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。
3 {& Y" k( l6 i% x控制转速的IC, SONY CX-032各脚电压值如图
' J! d" P* J% M* Z! U 22-1.jpg & \( S' \0 v$ p8 j* _
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是IC坏了还是其它问题?如坏了,求着IC一块。谢谢!* U1 F) b/ u8 F5 Q! i' P( 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 ( K9 [; F) M8 P" B

. K8 `- \6 o$ K' R2 `$ \5 P有人走過相同的路了
" S* K! _6 f+ r3 l/ l摘自   Obsolete Media - Forum
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http://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025 2 \) _5 H5 V5 @2 m, d5 _1 s
http://obsoletemedia.com/geeklog/forum/print.php?id=2025, s- x% A5 `- \, Q
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Chip CX-032B for Sony TC-558
1 ^5 d9 W3 ]. E1 MPosted on: June 16 2008 @ 01:43 PM
& o2 W8 k" m3 c/ x( |4 p* UBy: RODALCO
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3 }2 Q0 @. ^- AContent: ) f/ E  y- F9 r! r
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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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1 D" n) R" \& T  T2 {! yLuckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.4 j. Z+ ^! `. i5 |3 O
A rare Sony turntable TTS 400 has the same chip used as well.
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, |. \4 k9 b- I" l3 M- a: vThe supllier on this link has the IC listed.
7 V9 m$ z9 l2 G; `  M5 |4 g& Q8 thttp://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)/ d- Y4 M" y* E9 A

" V: _) J% }& q& AThe German Bandmaschinen Forum thread.
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! V, A1 |1 ], x  s6 |% [http://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)' g8 V- v2 n% h; Q3 l

4 C5 p" J5 I6 Z- l3 H' y; W& xGru�, Raymond
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Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM 3 {( N# @7 |9 F" }5 X
By: RODALCO + P, ]. G$ I5 d( w' d

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! c/ g! x6 H/ `3 |<b>visitorj</b>, can you make a photo of the IC and the board please ? and the schema if you have it?8 Q: b3 l# p4 a( @& ]+ n

/ O$ _3 l  X/ k$ ?+ rI 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./ a: ?& L0 X4 y# _. T1 B! I
This will help all Sony R2R users in the near future as well as our machines age over time.) |2 r1 [2 `6 G& d- `

5 }/ M: Y4 X. C- `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2 H& U% l0 @6 P9 i/ k' m

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零件追蹤" f$ v. u* s4 D. }# X% |
http://www.globalsemi.com/productdetails.aspx?itemno=8750321000 c: I  W, t: I
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8 Z6 F; G) T/ x' Z2 V, ^) o6 p
 楼主| 发表于 2012-1-4 12:59:13 | 显示全部楼层
谢谢!
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