Read LG 50PM6700-TK (CHASSIS:PA22A) Service Manual online
THERMAL
THERMAL
THERMAL
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
C1135
0.01uF
50V
0.01uF
50V
S
C1141
0.1uF
50V
S
C1145
10uF
16V
16V
S
IC1106
TPS54231D
S
3
EN
2
VIN
4
SS
1
BOOT
5
VSENSE
6
COMP
7
GND
8
PH
R1139
6.8K
1%
S
D1100
40V
SMAB34
S
R1135
51K
51K
S
R1127
16K
S
C1144
470pF
50V
470pF
50V
S
+5V_ST
L1106
22.0uH
22.0uH
S
EAP61606601
+3.3V_ST
IC1100
AP2121N-3.3TRE1
1
GND
2
VOUT
3
VIN
C1101
0.1uF
16V
P_+17V
R1128
3.6K
S
+12V_LNB
C1131
10uF
25V
10uF
25V
S
R1138
120K
1%
S
C1147
15pF
50V
15pF
50V
S
C1146
10uF
16V
16V
S
C1140
0.01uF
50V
0.01uF
50V
S
C1112
0.1uF
50V
C1103
0.1uF
16V
C1102
0.1uF
16V
AC_DET
P_+5V
C1109
10uF
10V
L1101
CIS21J121
C1110
10uF
10V
+5V_ST
P1100
SMAW200-H18S1
14
NC
9
NC
4
GND
18
GND
13
5V_ST
8
PSU_ERR
3
GND
17
MOD_ON
12
GND
7
NC
2
17V
16
AC_DET
11
GND
6
5V
1
17V
15
RL_ON
10
GND
5
5V
19
P_+17V
L1100
CIS21J121
MOD_ON
C1113
0.1uF
16V
PSU_ERR_DET
RL_ON
C1152
22uF
6.3V
22uF
6.3V
C1118
1uF
10V
1uF
10V
C1151
22uF
6.3V
22uF
6.3V
C1106
10uF
25V
10uF
25V
P_+17V
R1104 10K
C1104
10uF
25V
10uF
25V
IC1101
TPS54327DDAR
3
VREG5
2
VFB
4
SS
1
EN
5
GND
6
SW
7
VBST
8
VIN
9
[EP]GND
+3.3V_MULTI
C1149
3300pF
50V
3300pF
50V
C1107
22pF
50V
C1117
10uF
6.3V
+1.8V_TU
R1113
1
T2_S_BR
C1116
10uF
6.3V
T2_S_BR
C1120
10uF
6.3V
+3.3V_MULTI
IC1104
AZ1117BH-ADJTRE1
2
OUTPUT
3
INPUT
1
ADJ/GND
+1.25V_TU
C1119
10uF
6.3V
T2_S_BR
R1114
1
+3.3V_MULTI
+3.3V_MULTI
C1148
0.1uF
16V
+3.3V_TU
C1126
22uF
6.3V
22uF
6.3V
C1123
3300pF
50V
3300pF
50V
C1121
22pF
50V
IC1105
TPS54327DDAR
3
VREG5
2
VFB
4
SS
1
EN
5
GND
6
SW
7
VBST
8
VIN
9
[EP]GND
P_+17V
C1122
1uF
10V
1uF
10V
R1117 10K
C1125
22uF
6.3V
22uF
6.3V
R1106
18K
1%
+1.5V_DDR
C1124
0.1uF
16V
C1150
0.1uF
16V
L1107
2.2uH
NR5040T2R2N
L1103
2.2uH
NR5040T2R2N
IC1103
AZ1117BH-ADJTRE1
T2_S_BR
OUTPUT
INPUT
ADJ/GND
C1115
0.1uF
16V
OPT
L1104
2uH
IC1102
AOZ1038PI
3
AGND
2
VIN
4
FB
1
PGND
5
COMP
6
EN
7
NC_1
8
NC_2
9
[EP]LX
R1118
10K
OPT
+5V_ST
POWER_ON1
+1.2V_MTK_CORE
C1114
10uF
25V
10uF
25V
C1111
10uF
25V
10uF
25V
POWER_ON2
R1145
0
0
OPT
POWER_ON3
R1116
0
0
OPT
R1108
3.3K
C1127
4700pF
50V
C1100
10uF
10V
C1108
10uF
10V
R1107
0
0
OPT
POWER_ON4
C1138
22uF
6.3V
22uF
6.3V
R1122
10K
1%
R1119
82
1%
R1131
180
5%
L1102
CIS21J121
C1132
10uF
6.3V
C1130
10uF
6.3V
C1133
10uF
6.3V
C1128
10uF
6.3V
C1105
1uF
10V
C1129
100uF
16V
R1140
1.6K
1%
S
R1115
51K
1%
R1146
27K
1%
R1102
33K
1%
R1103
10K
1%
R1120
10K
L1108
BLM18PG121SN1D
L1109
BLM18PG121SN1D
L1110
BLM18PG121SN1D
T2_S_BR
L1111
BLM18PG121SN1D
L1112
BLM18PG121SN1D
L1113
BLM18PG121SN1D
S
R1112
240
T2_S_BR
R1111
1
T2_S_BR
R1121
5.6K
1%
*NOTE 13
R1
-->3.12V
17V->12V
+3.3V_Stand_By
fr. PWR SUPPLY UNIT
R2
Max 1.3A
Vout=0.8*(1+R1/R2)
2A
R1
3A
Vout=0.765*(1+R1/R2)
R2
R1
+1.25V_TU
*V0=1.25(1+1/240)
1.250000=1.25*(1)
1.250000=1.25*(1)
R2
*V0=1.25(1+82/180)
=1.8194
=1.8194
+1.8V_TU
R2
3A
Vout=0.765*(1+R1/R2)
R1
6A
Vout=Vref*(1+R1/R2)|Vref=0.8
R2
Switching freq: 555K
Placed on SMD-TOP
R1
+1.2V_CORE_MT5369
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