Read LG 50PN4503-ZA / 50PN450B-ZA (CHASSIS:PD31A) Service Manual online
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.
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.
TUNER
BUF1_FE_TS_DATA[7]
BUF1_FE_TS_DATA[6]
BUF1_FE_TS_DATA[5]
BUF1_FE_TS_DATA[4]
FE_TS_DATA[7]
FE_TS_DATA[6]
FE_TS_DATA[5]
FE_TS_DATA[4]
FE_TS_DATA[0]
FE_TS_DATA[1]
FE_TS_DATA[2]
FE_TS_DATA[3]
BUF1_FE_TS_DATA[3]
BUF1_FE_TS_DATA[2]
BUF1_FE_TS_DATA[1]
BUF1_FE_TS_DATA[0]
FE_TS_DATA[7]
FE_TS_DATA[6]
FE_TS_DATA[1]
FE_TS_DATA[5]
FE_TS_DATA[2]
FE_TS_DATA[3]
FE_TS_DATA[4]
FE_TS_DATA[0]
BUF1_FE_TS_VAL_ERR
R331
0
FNIM
TU_SDA
+3.3V_TU
R305
10K
FNIM
C306
0.1uF
16V
T2_SDA
BUF1_FE_TS_CLK
R328
0
DVB_T2
C316
68pF
68pF
50V
R317
82
82
C307
0.1uF
0.1uF
16V
RF_SWITCH
FE_TS_CLK
FE_TS_SYN
+1.8V_TU
R309
1.5K
1.5K
R311
10K
R327
0
DVB_T2
R333
0
FNIM
R330
0
DVB_T2
TU_GND
TU_GND
FE_TS_CLK
T2_SCL
R332
0
FNIM
R30622
R301100
TU_CVBS
R326
0
DVB_T2
C303
10uF
10uF
16V
C314
10uF
6.3V
FNIM
R323
0
FNIM
FE_TS_SYN
IF_AGC_MAIN
+3.3V_TU
RF_SWITCH_CTL
+3.3V_TU
FE_TS_VAL_ERR
R308
1.5K
1.5K
+1.25V_TU
TU_GND
C302
0.1uF
16V
R338
0
TUNER_RESET
FE_TS_DATA[0-7]
BUF1_FE_TS_SYN
R312
4.7K
4.7K
R303
0
H_NIM
BUF1_FE_TS_DATA[0-7]
+5V
TU_SCL
C315
0.1uF
16V
FNIM
DEMOD_RESET
C308
0.1uF
0.1uF
16V
TU_SIF
R310
1K
1K
RF_SWITCH
+3.3V_TU
R329
0
DVB_T2
FE_TS_DATA[0-7]
R313
1.5K
R304
100
FNIM
R314
1.5K
R315
22
R316
470
470
IF_N_MSTAR
C305
68pF
50V
R336
0
SBTVD
IF_P_MSTAR
C317
68pF
50V
68pF
50V
C310
0.1uF
16V
R324
0
DVB_T2
C304
68pF
68pF
50V
R335 0
SBTVD
SBTVD
TU_GND
TU_GND
C311
0.1uF
16V
R307 22
R325
0
DVB_T2
TU301
TDSS-G201D
TDSS-G201D
DVB_T/C
5
+B1[3.3V]
11
DIF[N]
2
RESET
10
DIF[P]
4
SDA
1
NC_1
9
IF_AGC
8
NC_3
3
SCL
7
+B2[1.8V]
6
NC_2
12
SHIELD
A1
A1
B1
B1
FE_TS_VAL_ERR
R337
0
R318
22
Q301
MMBT3906(NXP)
E
B
C
TU_GND
TU303
TDSS-H501F
TDSS-H501F
ATSC
5
+B1[3.3V]
11
DIF[N]
2
RESET
10
DIF[P]
4
SDA
1
NC
9
IF_AGC
8
ALIF_[P]
3
SCL
7
+B2[1.8]
6
ALIF_[N]
12
SHIELD
A1
A1
B1
B1
TU305
TDSN-B601F
TDSN-B601F
SBTVD
1
RF_S/W_CTL
2
RESET_TUNER
3
SCL
4
SDA
5
+B1[3.3V]
6
SIF
7
+B2[1.8V]
8
CVBS
9
NC_1
10
NC_2
11
NC_3
12
+B3[3.3V]
13
+B4[1.23V]
14
RESET_DEMOD
15
GND
16
ERROR
17
SYNC
18
VALID
19
MCLK
20
D0
21
D1
22
D2
23
D3
24
D4
25
D5
26
D6
27
D7
28
SHIELD
A1
A1
B1
B1
R320
2K
R322
430
R319
430
TU302
TDSH-G501D
TDSH-G501D
CHINA
5
+B1[3.3V]
11
DIF[N]
2
RESET
10
DIF[P]
4
SDA
1
NC
9
IF_AGC
8
CVBS
3
SCL
7
+B2[1.8V]
6
SIF
A1
A1
B1
B1
A2
A2
B2
B2
TU304
TDSH-T101F
TDSH-T101F
CO_PANAMA
5
+B1[3.3V]
11
DIF[N]
2
RESET
10
DIF[P]
4
SDA
1
RF_S/W_CTL
9
IF_AGC
8
CVBS
3
SCL
7
+B2[1.8V]
6
SIF
12
SHIELD
A1
A1
B1
B1
TU_GND
TU306
TDSQ-G605D
TDSQ-G605D
DVB_T2
1
NC_1
2
RESET
3
SCL
4
SDA
5
+B1[3.3V]
6
SIF
7
+B2[1.8V]
8
CVBS
9
NC_2
10
NC_3
11
NC_4
12
NC_5
13
NC_6
14
NC_7
15
GND
16
ERROR
17
SYNC
18
VALID
19
MCLK
20
D0
21
D1
22
D2
23
D3
24
D4
25
D5
26
D6
27
D7
28
GND_1
29
GND_2
30
+B3[1.23V]
31
T2_RESET
36
SHIELD
32
+B4[3.3V]
33
NC_8
34
T2_SCL
35
T2_SDA
A1
A1
B1
B1
+3.3V_TU
Q302
MMBT3906(NXP)
READY
E
B
C
R339
0
A_DEMODE
R340
220
READY
R341
220
READY
Close to Tuner Pin
Tuner block
TDSS-G501D
TDSH-G501D
TDSN-T501F
TDSN_B601F
TDSQ_G605D
TUNER
OPT1
OPT2
OPT3
DVB-T/C
China
DVB-T_SCA
SBTVD
DVB_T2
HNIM
HNIM
FNIM
FNIM
RF_SW
RF_SW
X
X
X
3
7
Close to Tuner Pin
Close to Tuner Pin
Close to Tuner Pin
TDSS-H501F
ATSC
HNIM
X
TU301
TU302
TU303
TU304
TU305
TU306
HNIM
OPT4
W/O AD
With AD
W/O AD
W/O AD
W/O AD
With AD
L13
2012-06-01
DVB-T2 OPT
A-DEMODE OPT
DVB_T/C OPT
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