Sharp AQUOS LC-19D45U, Service Manual, Page: 51 / 126

51
LC-19SK25U/U-W
LC-19SB25U/U-W
LC-19SB15U
LC-19D45U
TROUBLESHOOTING TABLE (Continued)
No video output from HDMI input (INPUT3)
No
Yes Yes
Is IC403(E
2
PROM) accessed with IIC when connectiong
HDMI device and is DDC_IIC_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 IC801 and peripheral circuits.
Are signals fed from SC402 to input terminals of IC801?
No
Yes
Yes
Are signals from A6, A1, E1, E2, W5, W6, W7, Y6, AA6 of
IC801 normal?
Check IC9201 and peripheral circuits.
Check IC801 and peripheral circuits.