Specifications

14
TPS1.1L LA
5. Service Modes, Error Codes and Fault Finding
4.No TV sound
Check if
tuner TU2101 pin11
output IF signal
No
Replace TU2101
Yes
Check U4101
3.No picture/LED is green
Check
scaler board U7105
pin1=24V,pin4=5V
No
Check power
Yes
Check if
working voltage
U7104 pin1=5V,
pin4=3.3V
No
Check circuit around
each regulator and
eliminate short and
open situation
Yes
Check if clock
source X4101
Replace X4101
No
Yes
Check if
RGB,clk,H/V and
DE signal output 128
bits TTL
No
Try to replace
flash Rom
EEPROM
Check
resistors-network
No
Replace bad resistors-
network
Yes
Yes
Replace LVDS cable