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好久不来，变化巨大啊，发个贴先！
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1、标志不当：
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a.fuse marking( _& Y1 N! L$ k5 I; T
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b.power switch symbol
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c.protective earth symbol- J4 ^+ e# M$ m, l* _
0 k- N6 u- g* T d.PE wire color
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9 i+ ?- F6 l6 u6 R2 U7 r2.安全说明：' q% \9 b/ W, }+ S% Y
+ w3 A! ]7 G! P4 t$ ? a.Motltipower supply system
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R, q4 b' h3 A( ^: B1 x' } b.protective earth connection instruction
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c.High touch current warning label2 {( v# b8 j, d2 B* Y! n2 c
6 B) x u+ \! v2 Q! L d.Hazardous voltage" w- @- c- N8 h' K7 n
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3.绝缘距离：7 y b- O3 e6 Q, D! d) W
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a.10N force requirement for all parts
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b.misunderstand bulk capacitor's insulation specifications3 b0 f2 x# c0 @1 a. [
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c.Ill assembly# a. g( n5 u9 H7 Q1 N
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d.misunderstand fan wire's insulation feature
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5 ~* N% t5 j c" s e.transformer construction fail: margin tape width and turns of insulation tape5 f5 X9 F5 a" g1 ?) \# C
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4.资料和元器件：
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6 h4 D9 C. {+ ? E5 f' P% \ a.certificate out of validity d x" Z X% {' z! y& k
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b.misuse component certificate: UL and European standards different1 `4 q2 y6 x; Q& V; d: i
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c.miss safety critical components in CDF: discharge resistors and bulk capacitor& g1 L/ S: V5 y/ \! j
; o2 p' T9 [! Y d.misunderstand the requirements for safety critical components: not all safety critical components need certificate
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' ~ h: x5 p v( F' `0 Y, t e.misunderstand components ; E) {3 r Y4 q8 O( K" F* n
; }4 Y+ [" q1 [! e, |* V5.安规测试:4 ?* s w! `3 l) T7 K x
; n4 s1 q: R L7 G. ?2 P a.Hi-pot fail, especially after 48hours' humidity treatment
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b.Touch current fail: A! ]; o2 M5 r7 S
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c.Output overload fail: temp. exceeded safety limit
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d.Component fault simulation: temp.on transformer and output voltage exceeded safety limit
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6.设计更改和生产一致性:( V8 ]2 Q0 W% \% }; ^
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a. Non-conformance between certification and production' n: B) S1 C. b) J3 z$ Z" y$ s
% M' L2 B( [7 M8 @+ x6 `: zb. Label format
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7.PCB Layout图提供不对，只提供了器件装配图，没有走线图。 |
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发表于 2007-9-1 14:06
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