LG 32LW5700 Manual page 46

LNB POWER
LNB_POWER_CONTROL
+24V
IC1200
MP2403DN-LF-Z
[EP]GND
BS SS
1 8
C1216
C1201
0.1uF
0.01uF
16V
IN EN
50V
2 7
LNB_INIT_CONTROL
C1200 SW COMP
10uF 3 6
35V C1215
R1221
2700pF
GND FB 180K
50V
4 5
Vout=(1+R1/R2)*1.222
L1217
TU1200
HST-J222DHT
ODU
1
+5V_TU
L1201
+B1-1[5V]
BLM18PG121SN1D
2 C1207 C1213
10uF 10uF
+B2-1[3.3V]
10V 10V
3 C1217
C1204
10uF
AGC1 R1200 10V
4 0.33uF 0
PSK2_RF_AGC
16V
Q_OUT1
5 R1205 22
I_OUT1
6 R1206 22
GND_1
7 +5V_TU
L1202
+B1-2[5V]
BLM18PG121SN1D
C1208 C1214
11
10uF 10uF
+B2-2[3.3V]
10V 10V
C1218
12
C1205 10uF
AGC2 R1201 10V
0.33uF 0
13
PSK1_RF_AGC
16V
Q_OUT2
R1207 22
14
I_OUT2
R1208 22
15
SCL_1
16 R1214 100
SDA_1
17 R1215 100
C1209
C1211
R1219 R1224
GND_2 27pF
27pF
50V 1.2K 1.2K
18
50V
C1212
C1210
R1220 R1225
SDA_2 27pF 27pF
1.2K 1.2K
25 R1216 100
50V 50V
SCL_2
26 R1217 100
OUT1-1
27 R1209 22
OUT2-1
28 R1210 22
NC_1
29
+B5[3.3V]
30 C1219
10uF
NC_2 10V
31
C1203 0.33uF
16V
IF_AGC-1 R1202
1K
32
OFDM2_IF_AGC
OUT-1-3
33 R1211 22
OUT-2-3
34 R1212 22
NC_3
35
+B7[3.3V]
36 C1220
C1206 0.33uF
10uF
16V
IF_AGC-3 R1203 10V
38 1K
OFDM1_IF_AGC
ATT
39
+B9[5V]
40 C1221
10uF
GND 10V
+5V_TU
41
42
R1213
4.7K
SHIELD
C
R1222
Q1200 B 1K
2SC3052
E
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.
+16V_LNB
L1208
MAX 400mA
22UH
C1227 C1228
10uF 10uF
35V 35V
+16V_LNB
D1201 +3.3V_NORMAL
R9384
MBRM140T1G
1
1W 5%
40V
KTA1552T
E
Q8803
B
C1336
E
10uF
C
25V
KTA1552T
B
Q1205
C1337
C
10uF
25V
LNB_SHORT_DETECT
C
Q8801 B
2SC3052
R9394
E 47K
+3.3V_TU
1/16W
L1203
5%
BLM18PG121SN1D
C1222
10uF
10V
BCS : MAIN IQ = JAD2_IQ
PSK2_Q SUB IQ = JAD1_IQ
I2C = JTNSDA2, JTNSCL2
PSK2_I
Because TC90532(single) uses these ports.
+3.3V_TU
L1204
BLM18PG121SN1D
C1223
10uF
10V
PSK1_Q
PSK1_I
OFDM1_IF_AGC
SCL_PSK
OFDM2_IF_AGC
SDA_PSK
+3.3V_TU
SDA_OFDM
SCL_OFDM
OFDM2_DIF_P
OFDM2_DIF_N
+3.3V_TU
L1205
BLM18PG121SN1D
C1224
10uF
10V
R9391
100
PSK1_RF_AGC
1/10W
1%
C9378
R9388
OFDM1_DIF_P 2200pF
24K
50V
1/10W
OFDM1_DIF_N
1%
C9377
+3.3V_TU
0.1uF
L1206
BLM18PG121SN1D
C1225
10uF
10V
+5V_TU
L1207
BLM18PG121SN1D
C1226
10uF
10V
OFDM_ATN
XSEL[2:0]=5
LOW IF : 4.063
16MHz XTAL
+A1.2V_DEMOD
C1241 1uF 10V P14
OFDM1_DIF_P AD1_IP
1uF 10V R14
C1242
OFDM1_DIF_N
AD1_IN
C1243 1uF 10V P13
AD1_QP
1uF 10V R13
C1244
AD1_QN
C1245 1uF 10V P12
OFDM2_DIF_P AD2_IP
1uF 10V R12
C1246
OFDM2_DIF_N
AD2_IN
1uF 10V P11
C1247
AD2_QP
C1248 1uF 10V R11
AD2_QN
P15
RVDD
C1264
R15
RVSS
+D1.2V_DEMOD N13
0.1uF 16V
AD_AVDD
C1265
N12
AD_AVSS
M13
C1237 0.1uF 16V
AD_DVDD
0.1uF
M12
16V AD_DVSS
1uF 10V R3
C1249
PSK1_I
JAD1_IP
C1250 1uF 10V R2
JAD1_IN
1uF 10V P2
C1251
PSK1_Q
JAD1_QP
C1252 1uF 10V R1
JAD1_QN
1uF 10V P6
C1253
PSK2_I
JAD2_IP
1uF 10V R6
C1254
JAD2_IN
1uF 10V P7
C1255
PSK2_Q
JAD2_QP
1uF 10V R7
C1256
JAD2_QN
C1257 1uF 10V P1
JAD1_VCM
1uF 10V N6
C1258
JAD2_VCM
P3
JAD1_AVDD
C1266
N3
JAD1_AVSS
+D1.2V_DEMOD
0.1uF 16V M6
JAD2_AVDD
C1267
R5
+A3.3V_DEMOD
JAD2_AVSS
0.1uF 16V R4
JAD1_DVDD
C1238
P4
JAD1_DVSS
0.1uF 16V N5
JAD2_DVDD
C1239
P5
JAD2_DVSS
P10
0.1uF 16V
PLLVDD
P9
XOVDD
X1200 16MHz R9
XI
R8
XO
N8
C1268 XOVSS
C1259
P8
18pF 18pF
XCKO
N9
50V 50V
PLLVSS
C1240 R1239
R10
R1233
FIL
12K 0 J14
1500pF 50V
AGCCNTI1
J15
R1236
AGCCNTR1
12K K14
AGCCNTI2
K15
AGCCNTR2
C1231 C1233
L1
0.1uF 0.1uF
JAGCCNT1
16V L2
16V
JAGCCNT2
+5V_TU
IC9304
C9379 C9380
BD7542SF
22uF 1uF
10V 10V
OUT1 VDD
1 8
R1229
PSK2_RF_AGC
IN1- OUT2
100
2 7
1/10W
1%
IN1+ IN2- C1230
3 6 2200pF
50V
R1226
VSS IN2+ 24K
4 5
1/10W
16V 1%
C1229
0.1uF
16V
+3.3V_NORMAL
+5V_NORMAL
+5V_TU
L1210
BLM18PG121SN1D
C1235 C1261 C1263 C1269
0.1uF
0.1uF 22uF 22uF C1338
16V
16V 16V 16V
22uF
OPT
10V
+3.3V_NORMAL
+3.3V_TU
L1209
BLM18PG121SN1D 753mA
C1236 C1270
C1260 C1262
0.1uF
0.1uF 22uF
22uF
16V
16V 16V
16V
OPT
+D3.3V_DEMOD +D3.3V_DEMOD
I2C ADDRSS : 001 + SLADRS1 + SLADRS0 + 00 : 0FDM1 0X30
SIGN52002
I2C ADDRSS : 001 + SLADRS1 + SLADRS0 + 01 :
SIGN51987 I2C ADDRSS : 001 + SLADRS1 + SLADRS0 + 10 : 0FDM2 0X34
I2C ADDRSS : 001 + SLADRS1 + SLADRS0 + 11 :
SIGN51922
IC1202
TC90522XBG
+D3.3V_DEMOD
OPT
R9396
47K
R9397 C1341
2.2K 0.1uF
OPT OPT
+3.3V_NORMAL
+A3.3V_DEMOD
L1211
17 mA
BLM18PG121SN1D
C1274
0.1uF
16V
C1286 C1293
2.2uF 2.2uF
16V
16V
+D3.3V_DEMOD
L1212
23 mA
BLM18PG121SN1D
C1273
C1275
0.1uF C1339 VOUT = VREF *(1+R2/R1)
0.1uF
16V 22uF
16V
10V
PSK1 0X32
PSK2 0X36
+D3.3V_DEMOD
<B-GROUP> PKT0
<A-GROUP> PKT1
A9
SRCK OFDM1_SCLK
B9
OFDM1_SDATA
SRDT
D15
RSCKO OFDM2_SDATA
A10
OFDM1_SYNC
SBYTE
B10
PBVAL
D14
OFDM2_SCLK
RSEORF
A11
STSFLG1
B11
STSFLG0
A12
SLOCK OFDM1_LOCK
A1[GN]
B13
330
SLPEN C R1277
B12 A2[RD]
RLOCK LD1203
A13 ENG
RERR
E14
SAM2333
OFDM2_SYNC
RSOUT7
E15
A1[GN]
RSOUT6 330
R1279 C
F14
A2[RD]
RSOUT5
F15 SAM2333
ENG
RSOUT4
LD1205
G14
OFDM2_LOCK
RSOUT3
G15
RSOUT2
H14
RSOUT1
H15
RSOUT0
<C-GROUP> PSK2
A4 <D-GROUP> PSK3
PSK1_SCLK
JSRCK
B4
JSRDT PSK1_SDATA
C1
JRSCKO PSK2_SDATA
A5
JSBYTE PSK1_SYNC
B5
JPBVAL
C2
PSK2_SCLK
JRSEORF
A6
C 330 R1276
JSTSFLG1
B6
JSTSFLG0 PSK1_LOCK
ENG
A8 LD1204
JLOCK
A7
SAM2333
JRLOCKH
B7
JRLOCKL
D2
PSK2_SYNC
JRSOUT7
D1
A1[GN]
JRSOUT6 330 R1274
C
E2
A2[RD]
JRSOUT5
E1
ENG LD1201
JRSOUT4
F2 SAM2333
PSK2_LOCK
JRSOUT3
F1
JRSOUT2
G2 +D3.3V_DEMOD
JRSOUT1
R1260
G1
JRSOUT0 3.3K
LNB_POWER_CONTROL
B8
JPORT
+D1.2V_DEMOD
L1215
BLM18PG121SN1D
L1216
BLM18PG121SN1D
+D1.2V_DEMOD
L1213
BLM18PG121SN1D
C1315 C1317
22uF
0.1uF
10V
50V
IC1203
AP1117EG-13
+A1.2V_DEMOD
L1214
146+104mA
BLM18PG121SN1D
IN OUT
ADJ/GND C1316 C1318
R1 C1314 22uF
0.1uF
22uF
10V 50V
R2
R1273
1
BCM_JAPAN 10/11/25
FRONTEND
120 120
C1340
22uF
10V