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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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" \2 V% f( B. 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。" x" `" V! n' o1 h% r4 Q/ R6 F0 h
控制转速的IC, SONY CX-032各脚电压值如图
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8 S. h/ s! v5 u是IC坏了还是其它问题?如坏了,求着IC一块。谢谢!4 T# K( C8 ]* T4 [! @8 \
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   `7 @9 Y/ u+ \7 U9 L
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有人走過相同的路了
9 x- C5 r7 p' _( @* d2 v摘自   Obsolete Media - Forum2 m0 C  \+ y, R& L- ^! b1 b' A
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http://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025
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1 Z5 H) O+ C  i: vChip CX-032B for Sony TC-5588 o8 e; O% u8 x" n  h1 ^
Posted on: June 16 2008 @ 01:43 PM
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Content: 7 _& m6 L! j4 |
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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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5 K% Q0 C6 f3 b) f  wLuckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.
& J( ?8 m. B" v! s) Z/ SA rare Sony turntable TTS 400 has the same chip used as well." J+ _' ~# ~- F; j1 }( |- m( P7 t

* L, B! N" M2 u# D1 o6 MThe supllier on this link has the IC listed.
1 R! L6 W# w. D6 ghttp://www.prelcoparts.com/sony.pdf                                             (沒有相關資料); v1 d' ?7 B. J; h9 q

( W$ @% Z& K3 RThe German Bandmaschinen Forum thread.$ Z/ J# F8 `  b4 {/ l
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http://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)
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7 {) \0 a- i/ d7 ?Gru�, Raymond
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Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM
, x3 t8 \4 x7 L2 I' `By: RODALCO " \) q) u; ~! w" E
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Content:
) n( C8 C' q& `, Q: B0 \2 _( K<b>visitorj</b>, can you make a photo of the IC and the board please ? and the schema if you have it?' k! @, P/ c0 a& l
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I 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." p/ L' a' K+ g
This will help all Sony R2R users in the near future as well as our machines age over time.
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Kind regards, Raymond/ w* \# r) B# P. F
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: {# a4 x8 v! i; b1 v) ]$ Y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$ x9 \, u$ x- p: l7 D+ t
http://www.globalsemi.com/productdetails.aspx?itemno=8750321003 D+ N: X: ?; ^; h4 x3 ?0 H6 T/ k
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- z+ Q4 P- c4 s; {  F( C
 楼主| 发表于 2012-1-4 12:59:13 | 显示全部楼层
谢谢!
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