No video output from HDMI input (INPUT3)
No
YesYes
Is IC403(E
2
PROM) accessed with 12C when connectiong
HDMI device and is DDC_12C_CLOCK/DATA data read
out?
Are signals fed from HDMI (SC402) connector to input
terminals RRX0± (pins 16 and 17),RRX1(pins 19 and
20),RRX2(pins 22 and 23),DDCSCL and DDCSDA(pins 31
and 32?
Check IC403 and peripheral circuits.
Are cables connected securely?
No
Check the setting of HDMI device.
No
Check IC8702 and peripheral circuits.
Are signals fed from IC8702 to input terminals of IC801?
No
Yes
Yes
Are signals from B16, A16, P22, P23, R22, R23, T22,
T23, U22, U23, V22, V23 of IC801 normal?
Check LCD_CONTROL PWB.
Check IC801 and peripheral circuits.