Adjustment Signal And Timing - Tatung OMNISCAN SERIES Service Manual

2.16 Adjustment Signal and Timing
Adjustment signals (Nos. 1-9 : Preset Signals)
Sync. Polarity
No.
Timing
Signal SYNC. Hor. Vert.
1.
81 VGA 350 HjV
+
2.
82 VGA 400 HjV
3. 83 VGA 480 HjV
4. 84 8514A HjV + +
interlace
5. 85
PGC H+V
6. 86
MAC-II
. G+Sync.
#1
7. 87
800X600 (56) HjV
+j- +j-
8. 88 1024X768 (60) G+Sync.
9.
89
1280X1024 (60) G+Sync.
10. 77
V. HOLD (50)
Fv=50Hz
11. 78 V. HOLD (90) Fv=90Hz
12.
80
H. HOLD (54) HjV
Fh=28.4KHz
#1 When G + Sync. output, simultaneously output a HjV to the H. Sync. line, so the Sync. Switch should set
at "OFF".
PRE-SET TIMING
77 78 80 81
82
83
1280X1024 VGA350
VGA400 VGA480
- - - - - - -
Fh (KHz) 64.000 35.520 28.400 31.500
31.500 31.500
Ajls 15.620 28.150 35.200 31.770
31.770 31.770
BJLs 1.000 3.920
3.840 3.770 3.770 3.770
CJLs
2.000 1.250 4.400
1.890 1.890 1.890
DJLS
11.875
22.800
25.600 25.170 25.170 25.170
EJLS
0.750 0.180 1.360
0.940 0.940 0.940
Fv (Hz)
49.600 90.000
54.000 70.000
70.000
70.000
Oms 20.160 11.111 18.480
14.270 14.270 16.680
Pms
0.080 0.113
0.070 0.064 0.064 0.064
Oms 0.580 0.563
1.162 1.880 1.080 1.020
Rms 19.490 10.426 16.896 11.126
12.716 15.246
Sms 0.020 0.014 0.352
1.200 0.410 0.350
Sync. G+Sync.
HjV
HjV HjV HjV HjV
H+V
H
+
+
V
+
+
== 2-8
==