LC50/58/65U35T
6 – 9
No video (2)
COMPONENT:No external input video [Component/VIDEO]
Is Component/VIDEO selected on the input select menu
screen?
Is the Input Settings for the input signal?
NO
Select "Devices" - "Component/VIDEO" - "Component/VIDEO
select" - "Conponent" of user menu. Then, select "Switch to device"
on this menu.
YES
Does the COMP1_PLUG of Component/VIDEO detection function?
Check the line between pin(2) of input terminal(J504) and
pin(AM21) of IC3303(CPU).
J504:pin(2)
IC3303:pin(AM21)
Are there the COMPONENT video signal inputs at
pins(L36)(Y)/(K36)(Pb) and (J37)(Pr) of IC3303(CPU)?
NO
Check the line between the input terminals of J504 and IC3301.
J504 pin(3)(Y), pin(5)(Pb), pin(7)(Pr)
AIC3303 pins(L36)(Y), (K36)(Pb), (J37)(Pr)
YES
Is the T-CON PWB connected?
V_LOCKN pin(26) of SC3802 become Low if there is no prob-
lem in the connection.
NO
Check the T-CON PWB and harness.
Check IC3303 and SC3802 and their peripheral circuits in Main
PWB.
YES
Are the V-By-One HS signal input to the pin of SC3802?
V_V/-(23/24pin), V_V/-(20/21pin),
V_V/-(17/18pin),
V_V/-(14/15pin), V_V/-(11/12pin),
V_V/-(8/9pin), etc
NO
Check IC3303 and its peripheral circuits.(IC3501/IC3502/IC3503,
etc.)
YES
Check the panel module and harness.
Summary of Contents for LC-50U35T
Page 47: ...LC50 58 65U35T 8 4 19 18 17 16 15 14 13 12 11 10 BOARD SIDE A ...
Page 48: ...LC50 58 65U35T 8 5 A C B D E F G H 2 10 9 8 7 6 5 4 3 1 PRINTED WIRING B ...
Page 49: ...LC50 58 65U35T 8 6 19 18 17 16 15 14 13 12 11 10 NG BOARD SIDE B ...
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