LG 55LX9500 Service Manual page 29

PStoPDF trial version. http://www.oakdoc.com
PANASONIC (ISDB-T)
MN884433
IF_N_EXT
C2800
IF_P_EXT C2801
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
C2812 C2815 C2816
0 . 1 u F 0 . 1 u F 0 . 1 u F
16V 16V 16V
ISDB_DEMOD
C2810
0 . 1 u F
16V
VSS_1
1
AVDD_S
2
AII_S
C2802 0 . 1 u F 3
AIQ_S
4
AVSS_S
5
VRT_S
6
VRB_S
7
TCPO_S IC2800
8
VDDL_1
9
ISDB_DEMOD MSCL_S
C2803 0 . 1 u F 10
MN884433
R2801 2.2K
MSDA_S
11
R2802 2.2K
VSS_2
ISDB_DEMOD 12
VSSH
13
ISDB_DEMOD
C2804 0 . 1 u F
PSEL
14
ZSEL
15
VDDL_2
16
C2805 0 . 1 u F
ACKI
17
ISDB_DEMOD
TCPO_T
R2800 18
1%
10K IR_T
19
VRT_T
20
C2806 0 . 1 u F
VRB_T
21
C2807 0 . 1 u F
AVDD_T
22
C2808 0 . 1 u F
AIN_T
23
0 . 1 u F
AIP_T
24
0 . 1 u F
AVSS_T
25
ISDB_DEMOD
R2804 2.2K
ISDB_DEMOD
R2805 2.2K
ISDB_DEMOD
C2813
ISDB_DEMOD
C2811 0 . 1 u F
0 . 1 u F
16V 16V
10K
R2803
IF_AGC_ISDB ISDB_DEMOD
ISDB_OPT
ISDB_DEMOD R2806
1M
C2809
0 . 1 u F
ISDB_DEMOD
X2800
ISDB_DEMOD
25MHz
C2814
15pF
50V
ISDB_DEMOD
R2807 22
FE_TS_VAL_ERR
ISDB_DEMOD
ISDB_DEMOD
R2808 22
ISDB_DEMOD
FE_TS_SYNC
C2819 C2821
0 . 1 u F 0 . 1 u F
16V 16V ISDB_DEMOD
R2809 22
FE_TS_SERIAL
(FE_TS_SERIAL)
ISDB_DEMOD
R2810 22
FE_TS_DATA_CLK
VSS_9
75 R2811
INTB
74 2.2K
INTA
73
SADR
72
VDDH_3
71
C2825 0 . 1 u F
SCL
70
22
SDA R2813
69
R2814 22
VSS_8
68
HDVDDL0
67
C2826 0 . 1 u F
SADR_S
66
NC_2
65
SADR_T
64
VDDL_6
63
C2827 0 . 1 u F
VSS_7
62
ERRB
61
SYNCB
60
ERRA
59
SYNCA
58
TDO
57
CSEL1
56
CSEL0
55
TMS
54
TRST
53
VDDL_5
52
C2824 0 . 1 u F
VSS_6
51
ISDB_DEMOD
C2823
0 . 1 u F
16V
C2817 C2820 C2822
0 . 1 u F 0 . 1 u F 0 . 1 u F
16V 16V 16V
ISDB_DEMOD ISDB_DEMOD
ISDB_DEMOD
ISDB_DEMOD
C2818
15pF
50V
+3.3V_DE
AMP_I2C HAVE PULL-UP
R2812
2.2K
SCL1_3.3V
SDA1_3.3V
DEMOD_RESET
GP2_Saturn7M V e r . 1 . 0
28
ISDB-T Demodulator