Read LG 50PA450T-ZF / 50PA451T-ZA (CHASSIS:PD21B) 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
FE_TS_DATA[3]
FE_TS_DATA[5]
BUF1_FE_TS_DATA[3]
BUF1_FE_TS_DATA[4]
BUF1_FE_TS_DATA[0]
BUF1_FE_TS_DATA[7]
BUF1_FE_TS_DATA[1]
FE_TS_DATA[6]
BUF1_FE_TS_DATA[2]
BUF1_FE_TS_DATA[6]
FE_TS_DATA[1]
FE_TS_DATA[4]
FE_TS_DATA[2]
FE_TS_DATA[0]
FE_TS_DATA[7]
BUF1_FE_TS_DATA[5]
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]
AR301
33
FNIM
AR302
33
FNIM
FE_TS_SYN
FE_TS_CLK
BUF1_FE_TS_DATA[0-7]
AR300
33
FNIM
+1.25V_TU
C301
0.1uF
16V
FNIM
FE_TS_DATA[0-7]
FE_TS_VAL_ERR
BUF1_FE_TS_VAL_ERR
C300
10uF
6.3V
FNIM
BUF1_FE_TS_SYN
BUF1_FE_TS_CLK
C310
0.1uF
16V
TUNER_RESET
R307
22
+3.3V_TU
Q301
MMBT3906(NXP)
E
B
C
IF_AGC_MAIN
+1.8V_TU
R308
2.2K
2.2K
TU_SIF
IF_N_MSTAR
TU_SCL
C307
0.1uF
0.1uF
16V
RF_SWITCH
RF_SWITCH_CTL
R312
4.7K
4.7K
C308
0.1uF
0.1uF
16V
FE_TS_VAL_ERR
FE_TS_CLK
TU_CVBS
R311
10K
R309
2.2K
2.2K
C311
0.1uF
16V
R304
0
HNIM
C302
0.1uF
16V
IF_P_MSTAR
R305
0
HNIM
FE_TS_SYN
+5V
R317
82
82
R310
1K
1K
RF_SWITCH
+3.3V_TU
R30622
TU_SDA
FE_TS_DATA[0-7]
R302
0
DVB_T2
+2.5V_TU
TU303
TDSN_B001F
TDSN_B001F
SBTVD
1
RF_S/W_CTL
2
RESET
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
NC_4
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
TU302
TDSS-G101D
TDSS-G101D
DVB_T/C
5
+3.3V
11
DIF[N]
2
RESET
10
DIF[P]
4
SDA
1
NC
9
IF_AGC
8
CVBS
3
SCL
7
+1.8V
6
SIF
12
SHIELD
TU301
TDSS-H101F
TDSS-H101F
ATSC
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
12
SHIELD
TU300
TDSH-T101F
TDSH-T101F
DVB_T_SCA
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
C303
10uF
10uF
16V
R301
100
C304
68pF
68pF
50V
C305
68pF
50V
68pF
50V
TU304
TDSN-G301D
TDSN-G301D
DVB_T2
1
NC_1
2
RESET
3
SCL
4
SDA
5
+B1[3.3V]
6
SIF
7
+B2[1.8V]
8
CVBS
9
+B3[2.5V]
10
NC_2
11
NC_3
12
+B4[3.3V]
13
+B5[1.23V]
14
NC_4
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
R316
470
470
C306
0.1uF
16V
READY
R303
0
HNIM
Close to Tuner Pin
Close to Tuner Pin
Tuner block
TUNER
TDSS-G101D
TDSS-H101F
TDSH-T101F
TDSN_B001F
TDSN_G201D
TUNER
OPT1
OPT2
OPT3
DVB-T/C
ATSC
DVB-T_SCA
SBTVD
DVB_T2
HNIM
HNIM
HNIM
FNIM
FNIM
RF_SW
RF_SW
X
X
X
3
6
Close to Tuner Pin
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