LG 50PJ350 Service Manual page 23

+3.3V
+3.3V_DE
L609
MLB-201209-0120P-N2
C691
10uF
6.3V
IC600
AZ1117H-ADJTRE1(EH11A)
INPUT ADJ/GND
3 1
2
R601
OUTPUT 1.2K
R1
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
+1.2V_DE
R602
10
R2
+1.2V_DE
C697 C652
10uF 10uF
6.3V
6.3V
0 . 1 u F
C663
C664 0 . 1 u F
0 . 1 u F
C665
0 . 1 u F
C666
R621
10K 1%
C667 0 . 1 u F
C668 0 . 1 u F
R622 100 C669 0 . 1 u F
TUNER_IF_N
TUNER_IF_P
R623 100
C l o s e t o R 6 2 2 , R 6 2 3
ISDB_IF_AGC
+3.3V_DE
C690
0 . 1 u F
16V
VSS_1
1 75
AVDD_S
2 74
AII_S
3 73
AIQ_S
4 72
AVSS_S
5 71
VRT_S
6 70
VRB_S
7 69
TCPO_S IC602
8 68
VDDL_1
9 67
R640
2.2K MSCL_S
10 MN884433 66
R641 2.2K
MSDA_S
11 65
VSS_2
12 64
VSSH
13 63
PSEL
14 62
ZSEL
15 61
VDDL_2
16 60
ACKI
17 59
TCPO_T
18 58
IR_T
19 57
VRT_T
20 56
VRB_T
21 55
AVDD_T
22 54
AIN_T
23 53
AIP_T
24 52
AVSS_T
25 51
R624
2.2K
R625 2.2K
C672 C674 C677 C679 C680
0 . 1 u F 0 . 1 u F 0 . 1 u F
0 . 1 u F
0 . 1 u F
16V 16V 16V 16V 16V
C678
0 . 1 u F
R627 16V
1M READY
10K
R626 X602
25MHz
C673
0 . 1 u F
C675 C676
30pF 30pF
50V 50V
R633 22
FE_TS_VLD
R632 22
FE_TS_SYN
R631 22
FE_TS_SERIAL
R630
22
FE_TS_CLK
+3.3V_DE
R628
VSS_9
R629
INTB
2.2K 2.2K
INTA
SADR
VDDH_3
C684 0 . 1 u F 22 R642
SCL
SCL1
SDA
SDA1
22
VSS_8
R643
HDVDDL0
C683 0 . 1 u F
SADR_S
NC_2
SADR_T
VDDL_6
C682 0 . 1 u F
VSS_7
ERRB
SYNCB
ERRA
SYNCA
TDO
CSEL1
CSEL0
TMS
TRST
VDDL_5
C681 0 . 1 u F
VSS_6
+3.3V_DE
DEMOD_RESET
READY
C696
0 . 1 u F
16V
EAX61373301
TUNER 6 1 3
LGE Internal Use Only