Haier HL22KN1 Service Manual page 49

Function Trouble (Scart,HDMI,YPBPR)
SCART RGB、HDMI 、YPBPR 、 SCART Video、S- Video
No signal besides
Missing
No signal
PC/HDMI/YPBPR mode
color
Check the input signal of R.G.B
to U5
Y N
Check R.G.B circuit
(If on scart channel,
Check the circuit of
Check the power
should check the
VSYNC and HSYNC Reset
Supply for U21
input circuit of
signal
SCART R.G.B)