LG INFINIA 50PK950, Service Manual

Page: 17 / 51

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.
10/01/
BCM3556-C0
FE_TS_DATA[5]
FE_TS_DATA[1]
FE_TS_DATA[6]
FE_TS_DATA[3]
FE_TS_DATA[4]
FE_TS_DATA[2]
FE_TS_DATA[0]
FE_TS_DATA[7]
C601
0.1uF
16V
READY
FE_TS_DATA_CLK
TU_CVBS
+3.3V_TU
Q603
2SC3052
E
B
C
SCL0_3.3V
C619
10uF
10V
READY
IF_AGC_SEL
C628
22pF
50V
READY
R647
4.7K
C611
0.1uF
16V
+1.2V_TU
R601 0
READY
C612
10uF
10V
C610
0.1uF
16V
SCL2_3.3V
C604
0.1uF
16V
FOR DEBUG
+2.5V_TU
SDA2_3.3V
R625
10K
READY
R638
4.7K
READY
R648
10K
+3.3V_TU
C603
0.1uF
16V
FE_TS_SYNC
C630
22pF
50V
READY
C625
18pF
50V
READY
R624
100K
R644
2.2K
C615
0.1uF
16V
READY
FE_TS_VAL
Q600
2SC3052
READY
E
B
C
R636
4.7K
READY
+5V_TU
+1.2V_TU
+5V_TU
Q601
ISA1530AC1
E
B
C
FE_TS_SERIAL
C631
0.01uF
25V
C629
10uF
10V
C627
0.1uF
16V
+3.3V_TU
C623
18pF
50V
READY
FE_TS_DATA[0-7]
+5V_TU
TU_SIF
R628
10
SDA0_3.3V
C602
0.1uF 16V
+5V_TU
C608
100pF
50V
C600
100pF
50V
R650
82
+3.3V_TU
R646
10K
Q602
ISA1530AC1
E
B
C
TUNER_RESET
RF_BOOSTER
Q604
ISA1530AC1
E
B
C
+2.5V_TU
C621
0.1uF
16V
+3.3V_TU
C617
0.1uF
16V
R626
1.2K
READY
R622
100
IC601
AZ1117H-ADJTRE1(EH11A)
2
OUTPUT
3
INPUT
1
ADJ/GND
R600 0
READY
R649
470
1/10W
A1.2V
A2.5V
R605
0
READY
+3.3V_MULTI
+3.3V_TU
L602
BLM18PG121SN1D
C618
0.1uF
16V
C620
22uF
10V
L603
BLM18PG121SN1D
READY
L601
BLM18PG121SN1D
C613
100uF
16V
L609
BLM18PG121SN1D
READY
Q605
ISA1530AC1
E
B
C
ATV_OUT
+5V_TU
C699
100uF
16V
R643
200
1/8W
R645
200
1/8W
C609
100uF
16V
TU601
TDFR-G135D
NIM TUNER
1
RF_S/W_CNTL
2
BST_CNTL
3
+B1[5V]
4
NC[RF_AGC]
5
AS
6
SCL[A_DEMOD]
7
SDA[A_DEMOD]
8
NC(IF_TP)
9
SIF
10
NC
11
VIDEO
12
GND
13
1.2V
14
3.3V
15
RESET
16
2.5V
17
SCL[D_DEMOD]
18
SDA[D_DEMOD]
19
ERR
20
SYNC
21
VALID
22
MCL
23
D0
24
D1
25
D2
26
D3
27
D4
28
D5
29
D6
30
D7
31
SHIELD
R629
22
R630 22
R632 22
R631 22
L600
BLM18PG121SN1D
R602 0
READY
R610
47
R614
47
R615
47
R611
47
R616
47
R612
47
R613
47
R607
47
R606
47
R608
47
R609
47
IC600
AZ1117H-ADJTRE1(EH11A)
READY
2
OUTPUT
3
INPUT
1
ADJ/GND
R653 120
READY
R654
120
READY
+3.3V_TU
R655 4.7K R656 4.7K
C614
0.1uF
16V
R627 47
R651
220
1/8W
R652
220
1/8W
FE_TS_ERR
R641 0
READY
TU601-*1
TDFR-G035D
NIM TUNER_T2
1
RF_S/W_CNTL
2
BST_CNTL
3
+B1[5V]
4
NC[RF_AGC]
5
NC_1
6
SCLT
7
SDAT
8
NC(IF_TP)
9
SIF
10
NC_2
11
VIDEO
12
GND
13
+B2[1.2V]
14
+B3[3.3V]
15
RESET
16
+B4[2.5V]
17
SCL[D_DEMOD]
18
SDA[D_DEMOD]
19
ERR
20
SYNC
21
VALID
22
MCL
23
D0
24
D1
25
D2
26
D3
27
D4
28
D5
29
D6
30
D7
31
SHIELD
R621 0
R642
0
11 13
TUNER
R2
close to TUNER
close to TUNER
OPTION : RF AGC
Close to the tuner
NIM OPTION - FOR DEBG
R1
CAN NIM TUNER for EU
NIM POWER BLOCK
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