Philips 190B5CB/00, Руководство по обслуживанию

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190B5 LCD
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Electrical Instructions
1. G eneral p oints
1.1 D urin g t h e test an d m easurin g, su pp l y a d istortion f ree
AC m ains v olta g e to t h e a pp aratus v ia an isolate d
trans f or m er w it h lo w internal resistance .
1.2 A ll m easure m ents m entione d h erea f ter are carrie d out
at a nor m al m ains v olta g e (90 - 132 VAC f or USA
v ersion , 195 -264 VAC f or E UROP E AN v ersion , or 90
- 264 VAC f or t h e m o d el w it h f ull ran g e p o w er su pp l y,
unless ot h er w ise state d.)
1.3 A ll v olta g es are to b e m easure d or a pp lie d w it h
res p ect to g roun d, unless ot h er w ise state d.
N ote : d on ‘ t use h eat - sin k as g roun d.
1.4 Th e test h as to b e d one on a co mp lete set inclu d in g
LCD p anel a f ter 30 m inutes w ar m- u p at least in a roo m
w it h te mp erature o f 25 +/- 5 d e g ree C.
1.5 A ll v alues m entione d in t h ese test instruction are onl y
a pp lica b le o f a w ell ali g ne d a pp aratus , w it h correct
si g nal .
1.6 Th e letters s ymb ols (B) an d (S) p lace d b e h in d t h e test
instruction d enotes
(B): carrie d out 100% ins p ection at asse mb l y line
(S): carrie d out test by sa mp lin g
1.7 Th e wh ite b alance ( color te mp erature ) h as to b e teste d
in su bd ue d li gh te d roo m.
1.8 R e p etiti v e p o w er on / o ff c y cle are allo w e d e x ce p t it s h oul d
b e a v oi d e d w it h in 6 sec .
2. In p ut si g nal
2.1 S i g nal t yp e
2.1.1 V i d eo si g nal in p ut
S i g nal source : p attern g enerator f or m at as attac hm ent .
(T a b le 1 to 33) R e f erence g enerator : Q uantu mD ata
802G Th e in p t si g nals can b e a pp lie d in t w o d i ff erent
m o d es :
1). V E SA A nalo g
Th e v i d eo in p ut consists o f re d, g reen , an d b lue si g nals .
Th e v i d eo si g nals are analo g le v els , wh ere 0V
corres p on d s to b lac k an d 700mV is t h e m a x i m u m si g nal
a mp litu d e . In p ut i mp e d ance o f v i d eo p ins is 75 o hm +-
1%.
2). Intel DV I D i g ital
In p ut si g nal : F our c h annel TMDS si g nals
2.1.2 Sy nc si g nal in p ut
Th e ca p a b ilit y o f s y nc si g nal in p uts s h all inclu d e
se p arate s y nc , co mp osite s y nc an d s y nc on g reen .
in p ut i mp e d ance : 2k2 o hm s Th e si g nals are d e f ine d as
f ollo w:
S e p arate s y nc TTL le v el , P ositi v e /N e g ati v e
C o mp osite s y nc TTL le v el , P ositi v e /N e g ati v e
Sy nc on g reen H- s y nc TTL le v el , P ositi v e /N e g ati v e
S i g nal source : p attern g enerator f or m at as attac hm ent
(T a b le 1 to 33) R e f erence g enerator : Q uantu mD ata
802G
2.2 In p ut si g nal m o d e
P re - set 33 m o d es
PR E S E T V I D E O R E SOLUT I ON
# R esolution H-F re q uenc y P i x el rate V-F re q uenc y C o mm ent
1 640X350 31.5K 25.175 70Hz I BM VGA 10h
2 720X400 31.5K 28.322 70Hz I BM VGA 3h
3 640X480 31.5K 25.175 60Hz
4 640X480 35.0K 30.24 67Hz
5 640X480 37.9K 31.5 72Hz
6 640X480 37.5K 31.501 75Hz
7 640X480 43.3K 36 85Hz
8 800X600 35.2K 36 56Hz
9 800X600 37.9K 40 60Hz
10 800X600 48.1K 50 72Hz
11 800X600 46.9K 49.498 75Hz
12 800X600 53.7K 56.251 85Hz
13 832X624 49.7K 57.28 75Hz MAC
14 1024X768 48.4K 65 60Hz
15 1024X768 56.5K 75 70Hz
16 1024X768 60.0K 78.75 75Hz
17 1024X768 61.1K 83.096 76Hz I BM XGA-2
18 1024X768 68.7K 94.5 85Hz
19 1152X864 54.0K 79.9 60Hz non -V E SA
20 1152X864 67.5K 108 75Hz
21 1152X864 63.9K 94.5 70Hz non -V E SA
22 1152X870 68.7K 100 75Hz MAC
23 1152X900 61.8K 92.94 66Hz SUN M o d e I V
24 1152X900 71.8K 108 76Hz SUN M o d e II
25 1280X960 60.0K 108 60Hz
26 1280X960 75.0K 129.895 75Hz non -V E SA
27 1280X1024 64.0K 108 60Hz
28 1280X1024 71.7K 117 67Hz SUN M o d e V
29 1280X1024 76.0K 130.223 72Hz DOS/V
30 1280X1024 80.0K 135 75Hz
31 1280X1024 81.1K 135.008 76Hz SUN M o d e I
32 960X720 44.76K 57.58 60Hz
33 960X720 56.4K 72.42 75Hz
2.3 A llo w e d 85 Hz o v erscan si g nal m o d e s p eci f ie d
O nce t h e si g nal in p ut o f PC is 85Hz, t h is m onitor is a b le to d is p la y at
least f or 10 m inutes . A n attention si g nal a pp ears an d s h o w s Th is is
85Hz o v er scan , c h an g e co mp uter d is p la y in p ut to 1280*1024 @
60 Hz
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