LG 65UH8500 Service Manual page 79

THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
Copyright 2015 LG Electronics Inc. All rights reserved.
Only for training and service purposes
+1.2V_DEMOD
POWER_ON/OFF2_2
+3.3V_NORMAL
10K
R6900
TU_N/D/M/W/Q
L6900
BLM18PG121SN1D
C6901
TU_N/D/M/W/Q
C6900
10uF
0.1uF
10V +5V_NORMAL
TU_N/D/M/W/Q TU_N/D/M/W/Q
C6902
1uF
10V
TU_N/D/M/W/Q
Vout=0.6*(1+R2/R1)
D_Demod_Core
TU_N/D/M/W/Q
IC6900
TJ2132GDP
[EP]GND
R1
POK GND
1 8
R2
EN FB
2 7
C6904
0.01uF
IN OUT
50V
3 6
TU_N/D/M/W/Q
2A
BIAS SS
4 5
C6903
C6905
2700pF 10uF
50V 10V
TU_N/D/M/W/Q TU_N/D/M/W/Q
M16
+1.2V_DEMOD
2015.06.27
99
LGE Internal Use Only