Sharp LC-60G9T, Руководство по обслуживанию

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LC-60G9T / LC-70G9T
6 – 8
[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] o f EXT2 (J510) ?
Is CVBS_PLUG [9/CVBS1_PLUG] of J501 at "L" ?
NO Check the setting of an external input device that connects with
EXT2.
YES
Does CVBS signal input to pin [AR31/CPU_CVBS1P] 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/COMP1_Y, 15/
COMP1_Pr, 16/COMP1_Pb] of EXT3 (J510) ? NO Check the setting of an external input device that connects with
EXT3.
YES
Do COMPONENT signals input to pins [AU26/COMP_Y1P), (AP26/
COMP_PR1P) and (AR26/COMP_PB1P] 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 PC_IN (15pin-D-SUB terminal) go out?
Do ANALOG-RGB and synchronized signal input to pin
[(1, 2, 3)/(PC_RED, GREEN, BLUE), (14 and 13)/(PC_VSYNC,
H.Sync) ] of PC_IN (SC501) ? NO Check the connection and setup with the external PC_IN devices.
YES
Do ANALOG-RGB and synchronized signal input to pins [AR25/
PC_RP, AR24/PC_GP, AU24/PC_BP, and AN25/PC_HSYNC,
AM25/PC_VSYNC] of IC3301 (Digital AV decode & Main CPU) ? NO Check the line between SC501 and IC3301.
YES
Refer to “No picture on the display (1)”