LG 50PN6504-ZB / 50PN6506-ZB / 50PN650S-ZB (CHASSIS:PD31C) Service Manual ▷ View online
3. Power Block.
17V
17V(1.1A)
In
Out
Current
type
5Vst
5Vst
2mA
STBY
5Vst (2mA)
3.3Vst(33mA)
DC-
1 1V(750mA)
5V ST
ULDO
5Vst
3.3Vst
35mA
ULDO
0.3A
60mW
17V
17V
1.1A
Multi
FET
DC
1.1V(750mA)
5V(?)
F
E
T
E
T
5Vst
5V
910mA + 1A
FET
3A
5V
5V
1A
Multi
USB 1A
5Vst
1 1V
(Input 220mA)
DCDC
1/4
LDO
LDO
2.5V(102mA)
1.8V(164mA)
5Vst
1.1V
(
)
750mA
3A
1/4
5V
2.5V
102mA
LDO
714mW
255mW
5V
1.8V
164mA
LDO
850mW
525mW
LDO(T2)
1.25V(400mA)
850mW
5V
1.25V
400mA(?)
LDO
850mW
1500mW
5V
3.3V
300mA
LDO
850mW
510mW
3.3V(300mA)
1.5V(300mA)
LDO
LDO
5V
3.3V
300mA
LDO
850mW
510mW
3.3V
1.5V
300mA
LDO
850mW
480mW
LDO
3.3V
+3.3V_TU
4. L13 I2C MAP
I2C_SCKM1/GPIO75
I2C_SDAM1/GPIO76
I2C_SDAM1/GPIO76
AE3
AE2
AE2
TU_SCL
TU_SDA
TU301
TDSS-G201D (0x)
TDSS-G201D (0x)
R308 2.2K
R309 2.2K
GPIO39
GPIO40
GPIO40
IC400
AE3
AE2
AE2
T2_SCL
T2 SDA
TU306
+3.3V_TU
R313 2.2K
R314 2.2K
GPIO40
GPIO49
AE2
H6
T2_SDA
AMP SCL
+3.3V_AMP
R640 4.7K
R641 4.7K
TDSQ-G605D (0x)
GPIO49
GPIO50
GPIO50
H6
E6
AMP_SCL
AMP_SDA
IC606
STA380BW (0x)
STA380BW (0x)
I2S_IN_WS/GPIO149
SPDIF_IN/GPIO152
B9
B6
B6
P_SCL
P_SDA
P500
LVDS
(module
0 1C)
LVDS
(module
0 1C)
+3.3V
R450 3.3K
R451 3.3K
I2C_SCKM2/DDCR_CK/GPIO72
I2C SDAM2/DDCR DA/GPIO71
I2C SDAM2/DDCR DA/GPIO71
AA21
AB21
AB21
I2C_SCL
I2C SDA
0x1C)
IC503 EEPROM (0xA0)
+3.3V
R452 2.2K
R453 2.2K
I2C_SDAM2/DDCR_DA/GPIO71
AB21
I2C_SDA
IC503 EEPROM (0xA0)
NetCast 4.0 Low model (Mstar) use three kind of tuner as below
B t
B t
l 2
PCB(T/C T2/C S2) f
h t
d di ti
i h b
i
it
ti
d t
l
ti
5. L13
Front End
But we apply 2ea PCB(T/C_T2/C,S2), for each tuner and distinguish by circuit option and tool option
T/C
T2/C T/C/S2
2013
Tuner
Figure
Diagram
Diagram
Diagram
Si2166B
UseMstar
ATV /
DVB-T/C
DVB-T2
DVB-T/C
DVB-T2
IF
2013
Tuner
Block
Block
DVB-S
g
Si2158
RDA
5815S
ATV /
DVB-T/C
DVB-T/C
DVB-S
SIF/IF
TS_ [0:7]
DVB-S
g
Si2156
ATV /
DVB-T/C
DVB-T/C
SIF/IF
DVB-S
g
Si2178
CVBS/SIF
TS [0:7]
Si2169
Demod
SI2156 : PLL + With out Analog Demod
L13 : DVB-T/C Demod , A.Demod
L13 : DVB-T/C Demod , A.Demod
SI2178 : PLL + With Analog Demod
SI2169 : DVB-T2/C/S/S2 Demod
SI2169 : DVB-T2/C/S/S2 Demod
Si2166B : DVB-S/S2 Demod
RDA5815S : DVB-S/S2 PLL
L13 : DVB-T/C Demod, A.Demod
RDA5815S : DVB-S/S2 PLL
L13 : DVB-T/C Demod, A.Demod
UseMstar
A.Demod
Block
Diagram
Tuner
TDSQ-G501D
L13 Mstar
5815S
Tuner
TDSS-G201D
L13 Mstar
Tuner
TDSQ-G605D
L13 Mstar
TS_ [0:7]
Demod
SIF/IF
2012
ATV /
DVB-T/C
DVB-T/C
Diagram
SI2156
SI2176
ATV /
DVB-T/C
DVB-T2
DVB-T/C
DVB-T2
CVBS/SIF
Diagram
IF
2012
Tuner
Compare
UseMstar
A.Demod
Tuner
TDSS-G201D
Tuner
TDSN-G301D
TS_ [0:7]
Demod
CXD2834
L13 Mstar
L13 Mstar
SI2156 : PLL + ATV Demod
SI2156 : PLL + ATV Demod
L13
: DVB-T/C Demod
CXD2834 : DVB-T/C/T2 Demod
5. L13
Front End
Use 2ea PCB for each tuner and apply different circuit option and tool option
Tool option4
-T/C
Digital Demod-S : DVB S7
g
_
Digital Demod-T/C : DEFAULT
Analog Demod : MSTAR_56
T2/C
-T2/C
Digital Demod-S : NO_DEMOD
Digital Demod-T/C : DVBS_SI2169
Digital Demod-T/C : DVBS_SI2169
Analog Demod : SI2176
EU/AU/JA
-T/C/S2
Digital Demod-S : DVB_S7
Digital Demod-T/C : DVBS_SI2166B
Digital Demod-T/C : DVBS_SI2166B
Analog Demod : MSTAR 58
T/C/S Tuner Area
T2/C Tuner Area
T/C Tuner Area
T/C Tuner Area
g
_
T/C Tuner Area
Only Setellite