Troubleshooting; Specifications - Sony LMD-1751W Operating Instructions Manual

Troubleshooting

This section may help you isolate the cause of a problem
and as a result, eliminate the need to contact technical
support.
• The display is colored in green or purple t Select
the correct input by pressing RGB or COMPONENT
button.
• The unit cannot be operated t The key protection
function works. Set the KEY INHIBIT setting to OFF
in the KEY INHIBIT menu.
• The black bars appear at the upper and lower
positions of the display t When the signal aspect
ratio is different from that of the panel, the black bars
appear. This is not a failure of the unit.
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Troubleshooting / Specifications

Specifications

Picture performance
LCD panel a-Si TFT Active Matrix
Pixel efficiency 99.99%
Viewing angle (up/down/left/right, contrast > 10:1)
89°/89°/89°/89° (typical)
Scan Normal 0%
Over scan 5%
Efficient picture size
LMD-2451W: 518.4 × 324.0, 613.2
mm (w/h, dia) (20
inches)
LMD-1751W: 369.6 × 221.8, 431.1
mm (w/h, dia) (14
inches)
Resolution LMD-2451W: H 1,920 dots, V 1,200
lines
LMD-1751W: H 1,280 dots, V 768
lines
Aspect ratio 16:10 (LMD-2451W), 15:9 (LMD-
1751W)
Input
Composite input (NTSC/PAL) connector
BNC type (1)
1 Vp-p ± 3 dB sync negative
Y/C input connector
4-pin mini-DIN (1)
Y: 1 Vp-p ± 3 dB sync negative
C: 0.286 Vp-p ± 3 dB (NTSC burst
signal level)
0.3 Vp-p ± 3 dB (PAL burst signal
level)
RGB/component input connectors
BNC type (3)
RGB input: 0.7 Vp-p ± 3 dB (Sync On
Green, 0.3 Vp-p sync negative)
Component input: 0.7 Vp-p ± 3 dB
(75% chrominance standard color
bar signal)
Audio input connectors
Phono jack (2)
–5 dBu 47 kilohms or higher
External synchronized input connector
BNC type (1)
0.3 to 4.0 V p-p ± bipolarity ternary or
negative polarity binary
HD15 input connector
D-sub 15-pin (1)
R/G/B: 0.7 Vp-p, sync positive (Sync
On Green, 0.3 Vp-p sync negative)
Sync: TTL level (polarity free, H/V
separate sync)
1 7
/ × 12 / , 24
2 8
5 3
/ × 8 / , 17
8 4