LC-90Y8T
6 – 12
[External input EXT2] No picture on the display (5)
Does not the picture of the CVBS signal input to EXT2 go out?
Does CVBS signal input to pin[10] of EXT2 (J510) ?
Is CVBS̲PLUG [9/CVBS1̲PLUG] of J510 at "L" ?
NO
Check the setting of an external input device that connects with
EXT2.
YES
Does CVBS signal input to pin [AR31/CPU̲CVBS1P] of IC3301
(Digital AV decode & Main CPU) ?
NO
Check the line between J510 and IC3301.
YES
Refer to “No picture on the display (1)”
[External input EXT3] No picture on the display ( 6 )
Does not the picture of the COMPONENT signal input to EXT3 go out?
Do COMPONENT signals input to pins [18/COMP1̲Y, 15/
COMP1̲Pr, 16/COMP1̲Pb] of EXT3 (J510) ?
NO
Check the setting of an external input device that connects with
EXT3.
YES
Do COMPONENT signals input to pins [AU26/COMP̲Y1P), (AP26/
COMP̲PR1P) and (AR26/COMP̲PB1P] of IC3301 (Digital AV
decode & Main CPU) ?
NO
Check the line between J510 and IC3301.
YES
Refer to “No picture on the display (1)”
[External input PC] No picture on the display (7)
Does not the picture of the ANALOG-RGB signal input to PC̲IN (15pin-D-SUB terminal) go out?
Do ANALOG-RGB and synchronized signal input to pin
[(1, 2, 3)/(PC̲RED, GREEN, BLUE), (14 and 13)/(PC̲VSYNC,
H.Sync) ] of PC̲IN (SC501) ?
NO
Check the connection and setup with the external PC̲IN devices.
YES
Do ANALOG-RGB and synchronized signal input to pins [AR25/
PC̲RP, AR24/PC̲GP, AU24/PC̲BP, and AN25/PC̲HSYNC,
AM25/PC̲VSYNC] of IC3301 (Digital AV decode & Main CPU) ?
NO
Check the line between SC501 and IC3301.
YES
Refer to “No picture on the display (1)”
Содержание LC-90Y8T
Страница 66: ...LC 90Y8T 7 ...