Philips HUSON7 Series, Service Manual

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190X7&170X7 LCD
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El ectr i ca l ins tr u ct i o ns(190X7)
1. Ge n era l po in t s
1.1 Du r in g t h e te s t a nd m ea su r in g , su pp ly a dis tort i o n f ree AC
m a ins vo l tage to t h e apparat us v i a a n is o l ate d tra nsf or m er
wi t h l o w in ter n a l re sis ta n ce .
1.2 All m ea su re m e n t s m e n t i o n e d h erea f ter are carr i e d o u t at a
n or m a l m a ins vo l tage (90 - 132 VAC f or USA ver si o n, 195 -
264 VAC f or EUROPEAN ver si o n, or 90 - 264 VAC f or t h e
m o d e l wi t h full ra n ge po w er su pp ly, unl e ss ot h er wis e
s tate d.)
1.3 All vo l tage s are to b e m ea su re d or app li e d wi t h re s pect to
gro und, unl e ss ot h er wis e s tate d.
N ote : d o n' t us e h eat -sink a s gro und.
1.4 Th e te s t h a s to b e d o n e o n a co m p l ete s et in c ludin g LCD
pa n e l a f ter 30 minu te s w ar m-u p at l ea s t in a roo m wi t h
te m perat u re o f 25 +/- 5 d egree C.
1.5 All va lu e s m e n t i o n e d in t h e s e te s t ins tr u ct i o n are o nly
app li ca bl e o f a w e ll
a li g n e d apparat us, wi t h correct si g n a l.
1.6 Th e l etter s symb o ls (B) a nd (S) p l ace d b e hind t h e te s t
ins tr u ct i o n d e n ote s
(B): carr i e d o u t 100% ins pect i o n at a ss e mbly lin e
(S): carr i e d o u t te s t by s a m p lin g
1.7 Th e whi te b a l a n ce ( co l or te m perat u re ) h a s to b e te s te d in
subdu e d li g h te d roo m.
1.8 R epet i t i ve po w er o n / o ff c y c l e are a ll o w e d e x cept i t sh o uld b e
avo id e d wi t hin 6 s ec .
2. In p u t si g n a l
2.1 Si g n a l t y pe
2.1.1 Vid eo si g n a l in p u t
Si g n a l s o u rce : patter n ge n erator f or m at a s attac hm e n t .
(T a bl e 1 to 39) R e f ere n ce ge n erator : Qu a n t umD ata
802 G
Th e in p u t si g n a ls ca n b e app li e d in t w o diff ere n t
m o d e s:
1). VESA An a l og
Th e v id eo in p u t co nsis t s o f re d, gree n, a nd blu e
si g n a ls. Th e v id eo si g n a ls
are a n a l og l eve ls, wh ere 0V corre s po nds to bl ac k
a nd 700mV is t h e m a ximum
si g n a l a m p li t ud e . In p u t im pe d a n ce o f v id eo p ins is
75 o hm +/- 1%.
2). In te l DVI Di g i ta l
In p u t si g n a l: F o u r c h a nn e l TMDS si g n a ls
2.1.2 Syn c si g n a l in p u t
Th e capa bili t y o f syn c si g n a l in p u t s sh a ll in c lud e
s eparate syn c , co m po si te syn c a nd
syn c o n gree n. in p u t im pe d a n ce : 2k2 o hms
Th e si g n a l are d e fin e d a s f o ll o w:
S eparate syn c TTL l eve l, P o si t i ve /N egat i ve
C o m po si te syn c TTL l eve l, P o si t i ve /N egat i ve
Syn c o n gree n H-syn c TTL l eve l, P o si t i ve /N egat i ve
Si g n a l s o u rce : patter n ge n erator f or m at a s attac hm e n t
(T a bl e 1 to 39)
R e f ere n ce ge n erator : Qu a n t umD ata 802 G
2.2 In p u t si g n a l m o d e
P re -s et 39 m o d e s
PRESET VIDEO RESOLUTION
# R e s o lu t i o n H-F re qu e n c y Pix e l rate V-F re qu e n c y C o mm e n t
1 640X350 31.5K 25.175 70Hz IBM V G A 10h
2 720X400 31.5K 28.322 70Hz IBM V G A 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 IBM X G A-2
18 1024X768 68.7K 94.5 85Hz
19 1152X864 54.0K 79.9 60Hz N o n-VESA
20 1152X864 63.9K 94.5 70Hz N o n-VESA
21 1152X864 67.5K 108 75Hz
22 1152X870 68.7K 100 75Hz MAC
23 1152X900 61.8K 92.94 66Hz SUN M o d e
IV
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 N o n-VESA
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 44.8K 57.58 60Hz
33 960X720 56.4K 72.42 75Hz
34 1280X720 44.8K 74.5 60Hz
35 1280X720 52.5K 89.04 70Hz
36 1280X720 56.5K 95.75 75Hz
37 1280X768 47.8K 79.5 60Hz
38 1280X768 56K 94.976 70Hz
39 1280X768 60.3K 102.25 75Hz
R e m ar k1: Th e 19 t imin g m o d e s in Blu e a nd B o ld te x t s repre s e n t
F actor y P re s et m o d e s
whi c h n ee d to b e e nsu re d per f ect per f or m a n ce .
R e m ar k2: O t h er m o d e s ca n pa ss wi t h f a i r per f or m a n ce .
R e m ar k3: If 1280x720 a nd 960x720 ca n n ot b e dis t in g uish e d t h e n
1280x720 is pre f erre d.
R e m ar k4: If 1280x768 a nd 1024x768 ca n n ot b e dis t in g uish e d
t h e n 1024x768 is pre f erre d
.