LG 26LN46XX / 26LN4607 / 26LN460R / 26LN460U / 26LN467U (CHASSIS:LD33P) Service Manual ▷ View online
- 16 -
1. Check tuner(TU6401 #5 #32 ) Power 3.3V
2. Check IC 2405 output voltage
1. Check tuner(TU6401 #7)Power 1.8V
2. Check IC6403 output voltage(1.8V)
Replace IC2405
Replace IC6403
Check Tuner(TU6401) I2C signal
#3 # 4 #34 #35
Check Tuner(TU6406)
DATA, CLK, SYN, VAL
Replace TU6406
And recheck
- 17 -
Check signal from IC8101
P5400 output #1 #2 #3 #4
Check ADAPTER output
or replace ADAPTER
Check signal from IC105
SCL / SDA
R5402 / R5403
- 18 -
BLOCK DIAGRAM
- 19 -
A2
A31
900
200
400
401
540
521
800
910
120
300
501
531
510
51
1
301
122
LV
1
801
571
570
EXPLODED VIEW
Many electrical and mechanical parts in this chassis have special safety-related characteristics. These
parts are identified by in the Schematic Diagram and EXPLODED VIEW.
It is essential that these special safety parts should be replaced with the same components as
recommended in this manual to prevent X-RADIATION, Shock, Fire, or other Hazards.
Do not modify the original design without permission of manufacturer.
IMPORTANT SAFETY NOTICE
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