Haier L32B1120 Service Manual

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5˅TV failure
TV no channel
Check if there is RF
signal input
Y
Check if there is
+5V at PIN2 of
U24
N
Y
Y
Y
N
Check the power
supply circuit to
this PIN
Check if there is
intermediate
frequency signal
output at PIN12 of
U24
Check if there
is I2C signal
at PIN6 &
PIN7 of TUNER1
Check the I2C
circuit
between
U11 and
U24
Check the
tuner
Check the signal
circuit between
U11 and U24
Fix the RF
set
N

Haier L32B1120 Specifications

General

Brand	Haier
Model	L32B1120
Category	LCD TV
Language	English