LG 47LE5500-MA Service Manual page 24

PANASONIC (ISDB-T)
MN884433
ISDB_DEMOD
IF_N_EXT
C2800 0.1uF
IF_P_EXT
C2801 0.1uF
ISDB_DEMOD
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.
+1.2V_DE +3.3V_DE
ISDB_DEMOD ISDB_DEMOD
ISDB_DEMOD ISDB_DEMOD ISDB_DEMOD
C2812 C2815 C2816 C2819 C2821
0.1uF 0.1uF 0.1uF 0.1uF 0.1uF
16V 16V 16V 16V 16V
ISDB_DEMOD
C2810
0.1uF
16V
VSS_1
1
AVDD_S
2
AII_S
C2802 0.1uF 3
ISDB_DEMOD AIQ_S
4
AVSS_S
5
VRT_S
6
VRB_S
7
TCPO_S
8 IC2800
VDDL_1
9
MSCL_S
C2803 0.1uF ISDB_DEMOD 10
MN884433
ISDB_DEMOD R2801 2.2K
MSDA_S
11
R2802 2.2K
VSS_2
ISDB_DEMOD 12
VSSH
13
ISDB_DEMOD
C2804 0.1uF ISDB_DEMOD
PSEL
14
ZSEL
15
VDDL_2
16
C2805 0.1uF
ISDB_DEMOD ACKI
17
ISDB_DEMOD
TCPO_T
R2800 18
1%
10K IR_T
19
VRT_T
20
C2806 0.1uF
ISDB_DEMOD VRB_T
21
ISDB_DEMOD
C2807 0.1uF
AVDD_T
22
C2808 0.1uF ISDB_DEMOD
AIN_T
23
AIP_T
24
AVSS_T
25
ISDB_DEMOD
R2804 2.2K
ISDB_DEMOD
R2805 2.2K
ISDB_DEMOD
ISDB_DEMOD C2813
C2811 0.1uF
0.1uF
16V 16V
C2817 C2820
0.1uF 0.1uF
16V 16V
ISDB_DEMOD
ISDB_DEMOD
R2803 10K
IF_AGC_ISDB ISDB_DEMOD ISDB_OPT
ISDB_DEMOD R2806
1M
C2809
0.1uF
ISDB_DEMOD
X2800 ISDB_DEMOD
ISDB_DEMOD
25MHz
C2818
C2814
15pF
15pF
50V 50V
ISDB_DEMOD
R2807 22
FE_TS_VAL_ERR
ISDB_DEMOD
R2808 22
FE_TS_SYNC
ISDB_DEMOD
R2809 22
FE_TS_SERIAL
(FE_TS_SERIAL)
ISDB_DEMOD
R2810 22
FE_TS_DATA_CLK
+3.3V_DE
OPT OPT
VSS_9
75 R2811 R2812
INTB
74 2.2K 2.2K
INTA
73
SADR
72
ISDB_DEMOD
VDDH_3
71
C2825 0.1uF
SCL
70
R2813 22
SDA
69
VSS_8 R2814 22
68
ISDB_DEMOD
HDVDDL0
67
C2826 0.1uF
SADR_S
66
NC_2
65
SADR_T
64
ISDB_DEMOD
VDDL_6
63
C2827 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
C2824 0.1uF
VSS_6
51
DEMOD_RESET
ISDB_DEMOD
C2823
0.1uF
16V
C2822
0.1uF
16V
ISDB_DEMOD
AMP_I2C HAVE PULL-UP
SCL1_3.3V
SDA1_3.3V
GP2_Saturn7M
ISDB-T Demodulator
Ver. 1.0
28