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LG 50PX950-AA Service Manual page 18

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CAN H-NIM/NIM TUNER for EU
TU600
TDTJ-S001D
READY
close to TUNER
ANT_PWR[OPT]
1
R605
0
READY
BST_CNTL
2
+B
3
NC[RF_AGC]
4
+3.3V_TU
AS
5
SCL
6
SDA
7
NC[IF_TP]
8
SIF
9
0 . 1 u F
NC
10
VIDEO
11
GND
12
1.2V
13
3.3V
14
RESET
15
IF_AGC_CNTL
16
DIF_1
17
DIF_2
18
19
SHIELD
+3.3V_TU
AZ1117H-ADJTRE1(EH11A)
INPUT
3
OUTPUT
C617
0 . 1 u F
16V
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.
Copyright © 2010 LG Electronics Inc. All rights reserved.
Only for training and service purposes
+5V_TU
C619
C608
C615
10uF
0 . 1 u F
C609
0 . 1 u F
10V
C604
16V
C613
16V
0 . 1 u F
100uF
READY
100uF
READY
16V
16V
16V
C
Q600
B
2SC3052
R608
0
READY
E
+3.3V_TU
READY
L604
270nH
SCL0_3.3V
L603
270nH
SDA0_3.3V
+5V_TU
C697
C698
C601
C600
20pF
62pF
20pF
62pF
50V
50V
50V
50V
R600
C607
200
16V
close to TUNER
B
+3.3V_TU
+1.2V_TU
C602
C616
C610
+3.3V_TU
100pF
0 . 1 u F
C603
0 . 1 u F
50V
16V
100pF
16V
50V
R622
R617
100K
TUNER_RESET
100
C612
0 . 1 u F
16V
TU_IF_AGC_BCM
C3062
READY
0 . 1 u F
TU_IF_N_BCM
16V
TU_IF_P_BCM
IC600
+1.2V_TU
R613
ADJ/GND
10
1
R2
+3.3V_MULTI
2
GND
R623
1.2K
R1
V_OUT=V_REF(1+R2/R1)
C621
C618
10uF
0 . 1 u F
10V
16V
OPTION : RF AGC
R621
10K
+5V_TU
IF_AGC_SEL
READY
R625
470
R616
82
TU_SIF
E
B
ISA1530AC1
R626
Q604
C
4.7K
R602
200
TU_CVBS
E
Q602
ISA1530AC1
C
+3.3V_TU
L602
CIC21J501NE
C606
C611
C620
0 . 1 u F
C699
0 . 1 u F
22uF
100uF
16V
16V
10V
16V
+5V_MULTI
P1103
12507WR-04L
L1102
MLB-201209-0120P-N2
1
2
3
R1160
0
4
D1112
5.5V
5
3D SYNC_IR EMITTER
USB TO IR EMITTER
+3.3V_MULTI
+3.3V_MULTI
SWITCH ADDED
IC1103
READY
AP2191SG-13
R1155
10K
NC
GND
8
1
READY
OUT_2
IN_1
7
2
$ 0 . 1 1
OUT_1
IN_2
6
3
USB-STRAIGHT
FLG
EN
5
4
USB_OCP
JK1101
KJA-UB-0-0037
READY
1
R1161
4.7K
2
READY
R1157
0
3
3D_SYNC_OUT
READY
D1111
5.5V
4
READY
READY
EAX61354901
TUNER
3D_SYNC_OUT
OPT
+5V_MULTI
READY
R1158
2.7K
READY
C1136
0.1uF
16V
USB_EN
1 1
1 3
LGE Internal Use Only

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