Read LG 42PA450C-CM (CHASSIS:PA23A) 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[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]
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]
BUF1_FE_TS_CLK
IF_AGC_MAIN
IF_P_MSTAR
TU_SDA
R301
100
FE_TS_DATA[0-7]
+5V
R317
82
82
A_DEMODE
BUF1_FE_TS_VAL_ERR
Q301
MMBT3906(NXP)
A_DEMODE
E
B
C
+1.8V_TU
R30622
FE_TS_VAL_ERR
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
R334
0
A_DEMODE
R316
470
470
A_DEMODE
C311
0.1uF
16V
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
R320
2K
NON_A_DEMODE
TUNER_RESET
FE_TS_DATA[0-7]
R302
0
DVB_T2
FE_TS_VAL_ERR
IF_N_MSTAR
C301
0.1uF
16V
FNIM
C308
0.1uF
0.1uF
16V
A_DEMODE
FE_TS_SYN
C305
68pF
50V
68pF
50V
R327
0
FNIM
C306
0.1uF
16V
DVB_T2
+3.3V_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
C303
10uF
10uF
16V
TU_SCL
RF_SWITCH_CTL
C313
10pF
50V
READY
TU_CVBS
R307
22
BUF1_FE_TS_DATA[0-7]
+3.3V_TU
FE_TS_SYN
R310
1K
1K
RF_SWITCH
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
NC_2
10
NC_3
11
NC_4
12
+B3[3.3V]
13
+B4[1.23V]
14
NC_5
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
C302
0.1uF
16V
+2.5V_TU
BUF1_FE_TS_SYN
TU_SIF
C312
10pF
50V
READY
C310
0.1uF
16V
C307
0.1uF
0.1uF
16V
RF_SWITCH
C304
68pF
68pF
50V
+1.25V_TU
R303
0
H_NIM
R308
2.2K
2.2K
R311
10K
R309
2.2K
2.2K
FE_TS_CLK
R312
4.7K
4.7K
A_DEMODE
FE_TS_CLK
C300
10uF
6.3V
FNIM
TU302-*1
TDSS-G201D
TDSS-G201D
G201D_NON_DEMODE
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
R325
0
FNIM
R326
0
FNIM
R323
0
FNIM
R324
0
FNIM
R332
0
FNIM
R333
0
FNIM
R331
0
FNIM
R329
0
FNIM
R330
0
FNIM
R328
0
FNIM
R322
430
NON_A_DEMODE
R319
430
NON_A_DEMODE
TU301
TDSS-H201F
TDSS-H201F
ATSC
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
Close to Tuner Pin
Close to Tuner Pin
Tuner block
TUNER
TDSS-G201D
TDSS-H201F
TDSH-T101F
TDSN_B001F
TDSN_G301D
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
Close to Tuner Pin
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