Panasonic (Isdb-T) - LG 42LD450 Service Manual

PANASONIC (ISDB-T)

MN884433
IF_N_EXT
IF_P_EXT
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 +3.3V_DE
ISDB_DEMOD
ISDB_DEMOD
C2913 C2916
0.1uF 0.1uF
16V 16V
ISDB_DEMOD
C2911
0.1uF
16V
VSS_1
1
AVDD_S
2
AII_S
C2903 0.1uF 3
ISDB_DEMOD
AIQ_S
4
AVSS_S
5
VRT_S
6
VRB_S
7
TCPO_S
8
VDDL_1
9
ISDB_DEMOD MSCL_S
C2904 0.1uF 10
MN884433
R2904 2.2K
ISDB_DEMOD MSDA_S
11
R2905 2.2K
VSS_2
ISDB_DEMOD 12
VSSH
13
C2905 0.1uF ISDB_DEMOD
PSEL
14
ZSEL
15
VDDL_2
16
C2906 0.1uF ISDB_DEMOD
ACKI
17
ISDB_DEMOD
TCPO_T
R2903 18
1%
10K IR_T
19
VRT_T
20
C2907 0.1uF ISDB_DEMOD
VRB_T
21
C2908 0.1uF ISDB_DEMOD
AVDD_T
22
ISDB_DEMOD
C2909 0.1uF ISDB_DEMOD
AIN_T
23
C2901 0.1uF
AIP_T
24
C2902 0.1uF
AVSS_T
25
ISDB_DEMOD
ISDB_DEMOD
R2907 2.2K
ISDB_DEMOD
R2908 2.2K
ISDB_DEMOD
ISDB_DEMOD C2914
C2912 0.1uF
0.1uF
16V 16V
R2906 10K
ISDB_DEMOD
IF_AGC_ISDB
ISDB_DEMOD
C2910
0.1uF
ISDB_DEMOD
C2915
15pF
50V
ISDB_DEMOD
R2910 22
FE_TS_VAL_ERR
ISDB_DEMOD
ISDB_DEMOD
R2911 22
ISDB_DEMOD ISDB_DEMOD
FE_TS_SYNC
C2917 C2920 C2922
0.1uF 0.1uF 0.1uF
16V 16V 16V ISDB_DEMOD
R2912 22
FE_TS_DATA[0]
(FE_TS_SERIAL)
ISDB_DEMOD
R2913 22
FE_TS_CLK
VSS_9
75
INTB
74
INTA
73
SADR
72
ISDB_DEMOD
VDDH_3
71
C2926 0.1uF
SCL
70
SDA
69
VSS_8
IC2901 68
HDVDDL0 ISDB_DEMOD
67
C2927 0.1uF
SADR_S
66
NC_2
65
SADR_T
64
VDDL_6 ISDB_DEMOD
63
ISDB_DEMOD
C2928 0.1uF
VSS_7
62
ERRB
61
SYNCB
60
ERRA
59
SYNCA
58
TDO
57
CSEL1
56
CSEL0
55
TMS
54
TRST
53
ISDB_DEMOD
VDDL_5
52
C2925 0.1uF
VSS_6
51
ISDB_DEMOD
C2924
0.1uF
16V
C2918 C2921 C2923
0.1uF 0.1uF 0.1uF
16V 16V 16V
ISDB_DEMOD ISDB_DEMOD
ISDB_DEMOD
ISDB_OPT
R2909
1M
ISDB_DEMOD
X2901
ISDB_DEMOD
25MHz
C2919
15pF
50V
+3.3V_DE
FE_TS_DATA[0]
(FE_TS_SERIAL)
OPT ISDB_DEMOD TP2901
OPT AMP_I2C HAVE PULL-UP
R2914 R2915
ISDB_DEMOD TP2902
2.2K 2.2K
ISDB_DEMOD TP2903
ISDB_DEMOD TP2904
ISDB_DEMOD TP2905
DEMOD_SCL
DEMOD_SDA
ISDB_DEMOD TP2906
ISDB_DEMOD TP2907
DEMOD_RESET
FE_TS_DATA[0-7]
FE_TS_DATA[0]
FE_TS_DATA[1]
FE_TS_DATA[2]
FE_TS_DATA[3]
FE_TS_DATA[4]
FE_TS_DATA[5]
FE_TS_DATA[6]
FE_TS_DATA[7]
GP2_Saturn7M Ver. 1.0
28
ISDB-T Demodulator
LGE Internal Use Only