LG 50PX950, Service Manual

Page: 17 / 105

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.
BCM AUDIO/LVDS
08/10/27
EAX63347201
Q200
2N7002(F)
G
D S
R251
22
R244
22
D3.3V
R241
0
R246 4.7K R245 4.7K
Q201
2N7002(F)
G
D S
R253 4.7K
R254
0
R256
22
R255 4.7K
D3.3V
R252
22
C224
0.1uF
16V
L201
BLM18PG121SN1D
A1.2V
EPHY_RDN
54MHz_XTAL_N
54MHz_XTAL_N 002:H1
C221
0.1uF
C
2
5
2
0
.
1
u
F
C223
0.1uF
R213
3.9K
C202
100pF
D3.3V
A3.3V
EPHY_TDP
L208
BLM18PG121SN1D
A2.5V
C
2
2
6
0
.
1
u
F
EPHY_TDN
C251
10uF
READY
D3.3V
C
2
6
5
0
.
1
u
F
L203
BLM18PG121SN1D
R248
22
A3.3V
R250
22
C229
0.1uF
C222
0.01uF
EPHY_RDP
C220
0.1uF
A2.5V
R218
1K
P200
TJC2508-4A
1
2
3
4
C219
0.1uF
C268
12pF
C232
0.1uF
C
2
5
5
0
.
1
u
F
R214
120
A2.5V
R220
390
READY
A1.2V
A2.5V
L205
BLM18PG121SN1D
C
2
5
3
0
.
1
u
F
54MHz_XTAL_P 002:H1
A2.5V
R212 560
C250
10uF
54MHz_XTAL_P
L202
BLM18PG121SN1D
A1.2V
R200 1.5K
C
2
2
5
0
.
1
u
F
FE_TS_CLK
A1.2V
D3.3V
C269
12pF
FE_TS_SYN
L210
1008LS-272XJLC
R217
240
A2.5V
A1.2V
C
2
2
7
0
.
1
u
F
R211 1.5K
L206
BLM18PG121SN1D
D3.3V
X200
54MHz
2
1
3
C267
33pF
R249 604
C
2
3
0
0
.
1
u
F
FE_TS_SERIAL
C262
0.1uF
L204
BLM18PG121SN1D
C
2
6
3
0
.
1
u
F
SYS_RESET
001:D3
A1.2V
C249
0.1uF
A1.2V
C261
10uF
L209
BLM18PG121SN1D
C
2
6
0
0
.
1
u
F
A2.5V
A1.2V
C
2
5
9
0
.
1
u
F
A1.2V
L207
BLM18PG121SN1D
C257
0.1uF
JTAG_TMS
/JTAG_TRST
JTAG_TCLK
JTAG_TDO
JTAG_TDI
DISP_EN
P202
TF05-51S
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
MOD_ROM_TX
R242 100
MOD_ROM_RX
R243
27K
PC_SER_CLK
PC_SER_DATA
LVDS_TX_1_DATA1_N
LVDS_TX_0_DATA3_N
LVDS_TX_1_DATA2_P
LVDS_TX_0_CLK_P
LVDS_TX_0_DATA2_P
LVDS_TX_1_DATA4_N
LVDS_TX_1_DATA1_P
LVDS_TX_0_DATA2_N
LVDS_TX_1_DATA4_P
LVDS_TX_0_CLK_N
LVDS_TX_0_DATA1_P
LVDS_TX_1_CLK_P
LVDS_TX_1_DATA3_N
LVDS_TX_0_DATA4_N
LVDS_TX_0_DATA0_P
LVDS_TX_0_DATA0_N
LVDS_TX_1_DATA0_N
LVDS_TX_1_CLK_N
LVDS_TX_1_DATA0_P
LVDS_TX_1_DATA2_N
LVDS_TX_0_DATA4_P
LVDS_TX_0_DATA3_P
LVDS_TX_1_DATA3_P
LVDS_TX_0_DATA1_N
LVDS_TX_0_DATA1_P
LVDS_TX_0_DATA3_P
LVDS_TX_1_DATA3_N
LVDS_TX_1_DATA2_N
LVDS_TX_0_DATA0_N
LVDS_TX_1_CLK_N
LVDS_TX_0_DATA2_N
LVDS_TX_1_DATA4_P
LVDS_TX_1_DATA1_P
LVDS_TX_1_DATA3_P
LVDS_TX_0_DATA3_N
LVDS_TX_0_DATA4_N
LVDS_TX_0_DATA4_P
LVDS_TX_1_DATA2_P
LVDS_TX_1_CLK_P
LVDS_TX_0_CLK_P
LVDS_TX_1_DATA4_N
LVDS_TX_0_CLK_N
LVDS_TX_0_DATA1_N
LVDS_TX_1_DATA1_N
LVDS_TX_0_DATA2_P
LVDS_TX_0_DATA0_P
LVDS_TX_1_DATA0_P
LVDS_TX_1_DATA0_N
SCL3_3.3V
001:B3;001:I4
SDA3_3.3V
001:B3;001:I4
USB_DP
BT_DP
BT_DM
USB_DM
R232
1K
D3.3V
JTAG_TDO
002:D4
R234
1K
RESET
001:C3
JTAG_TMS
002:D4
R235
1K
JTAG_TCLK
002:D4
JTAG_TDI
002:D4
/JTAG_TRST
002:D4
P201
YFDW254-14S
READY
14
VIO
9
TCK
4
GND
13
DINT
8
GND
3
TDI
12
NC
7
TMS
2
GND
11
nRST
6
GND
1
nTRST
10
GND
5
TDO
R237
1K
R233
1K
R240
1K
R238
1K
R236
1K
READY
R230
2.7K
READY
R223
2.7K
R216 2.7K
PK950
WATCH_DOG_RESET
001:D3
R224
2.7K
READY
R231
2.7K
R207 49.9
C214
0.15uF
R202 49.9
COMP_R_IN_2 010:Q23
C203
0.015uF
R206 49.9
R204 49.9
R209 49.9
C241
0.047uF
C211
0.015uF
C236
0.047uF
R203 49.9
C207
0.015uF
AV_R_IN_1 010:K25
C213
0.15uF
AV1_INCM
002:D5
C206
0.015uF
R201 49.9
AV_L_IN_1
010:K24
C217
0.15uF
R205 49.9
C215
0.15uF
C242
0.047uF
R208 49.9
C239
0.047uF
C237
0.047uF
C243
0.047uF
C235
0.047uF
C240
0.047uF
SIDE_INCM 002:D5
PC_INCM 002:D6
R210 49.9
C238
0.047uF
C210
0.015uF
COMP_L_IN_2 010:Q22
COMP2_INCM
002:D6
C204
0.015uF
C205
0.015uF
COMP1_INCM 002:D5
C216
0.15uF
C209
0.015uF
C234
0.047uF
C212
0.015uF
C208
0.015uF
SIDE_LIN
PC_L_IN
COMP_L_IN_1
PC_R_IN
COMP_R_IN_1
SIDE_RIN
TP213
TP211
TP212
SIDE_INCM
R225
5.1
R229
5.1
R227
5.1
R226
5.1
R228
5.1
COMP1_INCM
AV1_INCM
PC_INCM
TP214
COMP2_INCM
TP210
R221 2.7K
R222 2.7K
D3.3V
R239
3.3K
R247
3.3K
C200
4.7uF
C201
4.7uF
C228
4.7uF
C231
4.7uF
C218
4.7uF
C233
4.7uF
C258
4.7uF
C264
4.7uF
C254
4.7uF
C256
4.7uF
C266
4.7uF
C246
0.47uF
C248
0.47uF
C247
0.47uF
C244
0.47uF
C245
0.47uF
L200
BLM18PG121SN1D
R219
2.7K
USB1_CTL
USB1_OCD
R1227
0
PK550
3D_SYNC_OUT
L/R_DETECT
R257 0
/3D_FPGA_RESET
L211
CB4532UK121E
EAM38058401
P_+5V
R258 22
READY
R259 22
READY
LGE3556CP (C0 3D PIP)
IC100
PKT0_CLK
D23
PKT0_DATA
C24
PKT0_SYNC
B26
RMX0_CLK
A25
RMX0_DATA
B25
RMX0_SYNC
A26
POD2CHIP_MCLKI
G23
POD2CHIP_MDI0
D25
POD2CHIP_MDI1
D24
POD2CHIP_MDI2
C25
POD2CHIP_MDI3
E27
POD2CHIP_MDI4
E26
POD2CHIP_MDI5
D28
POD2CHIP_MDI6
D27
POD2CHIP_MDI7
D26
POD2CHIP_MISTRT
E23
POD2CHIP_MIVAL
E24
CHIP2POD_MCLKO
F25
CHIP2POD_MDO0
C27
CHIP2POD_MDO1
C26
CHIP2POD_MDO2
B28
CHIP2POD_MDO3
B27
CHIP2POD_MDO4
A27
CHIP2POD_MDO5
F24
CHIP2POD_MDO6
F23
CHIP2POD_MDO7
E25
CHIP2POD_MOSTRT
C28
CHIP2POD_MOVAL
A28
VDAC_AVDD2P5
AC18
VDAC_AVDD1P2
AF20
VDAC_AVDD3P3_1
AG20
VDAC_AVDD3P3_2
AG21
VDAC_AVSS_1
AF19
VDAC_AVSS_2
AD20
VDAC_AVSS_3
AE20
VDAC_RBIAS
AH22
VDAC_1
AH20
VDAC_2
AG19
VDAC_VREG
AH21
BSC_S_SCL
M25
BSC_S_SDA
M24
USB_AVSS_1
R6
USB_AVSS_2
T6
USB_AVSS_3
R7
USB_AVSS_4
T7
USB_AVSS_5
T8
USB_AVDD1P2
R3
USB_AVDD1P2PLL
U3
USB_AVDD2P5
T4
USB_AVDD2P5REF
T3
USB_AVDD3P3
R4
USB_RREF
U4
USB_DM1
V1
USB_DP1
V2
USB_DM2
U1
USB_DP2
U2
USB_MONCDR
T5
USB_MONPLL
R5
USB_PWRFLT_1
R1
USB_PWRFLT_2
R2
USB_PWRON_1
T2
USB_PWRON_2
T1
EPHY_VREF
P6
EPHY_RDAC
P5
EPHY_RDN
P3
EPHY_RDP
P2
EPHY_TDN
N3
EPHY_TDP
N2
EPHY_AVDD1P2
P1
EPHY_AVDD2P5
P4
EPHY_PLL_VDD1P2
N4
EPHY_AGND_1
N1
EPHY_AGND_2
N5
EPHY_AGND_3
P7
AUDMX_LEFT1
AE6
AUDMX_RIGHT1
AD7
AUDMX_INCM1
AF6
AUDMX_LEFT2
AH4
AUDMX_RIGHT2
AG5
AUDMX_INCM2
AG4
AUDMX_LEFT3
AG6
AUDMX_RIGHT3
AF7
AUDMX_INCM3
AE7
AUDMX_LEFT4
AH5
AUDMX_RIGHT4
AG7
AUDMX_INCM4
AH6
AUDMX_LEFT5
AD8
AUDMX_RIGHT5
AF8
AUDMX_INCM5
AE8
AUDMX_LEFT6
AH7
AUDMX_RIGHT6
AH8
AUDMX_INCM6
AG8
AUDMX_AVSS_1
AF5
AUDMX_AVSS_2
AB9
AUDMX_AVSS_3
AA10
AUDMX_AVSS_4
AB10
AUDMX_AVSS_5
AA11
AUDMX_AVSS_6
AB11
AUDMX_LDO_CAP
AC8
AUDMX_AVDD2P5
AE5
LVDS_TX_0_DATA0_P
B4
LVDS_TX_0_DATA0_N
A4
LVDS_TX_0_DATA1_P
C6
LVDS_TX_0_DATA1_N
B6
LVDS_TX_0_DATA2_P
B3
LVDS_TX_0_DATA2_N
A3
LVDS_TX_0_DATA3_P
A1
LVDS_TX_0_DATA3_N
A2
LVDS_TX_0_DATA4_P
D5
LVDS_TX_0_DATA4_N
D6
LVDS_TX_0_CLK_P
C5
LVDS_TX_0_CLK_N
B5
LVDS_TX_1_DATA0_P
B1
LVDS_TX_1_DATA0_N
B2
LVDS_TX_1_DATA1_P
C2
LVDS_TX_1_DATA1_N
C3
LVDS_TX_1_DATA2_P
D1
LVDS_TX_1_DATA2_N
D2
LVDS_TX_1_DATA3_P
E1
LVDS_TX_1_DATA3_N
E2
LVDS_TX_1_DATA4_P
E3
LVDS_TX_1_DATA4_N
E4
LVDS_TX_1_CLK_P
D3
LVDS_TX_1_CLK_N
D4
LVDS_PLL_VREG
F5
LVDS_TX_AVDDC1P2
F1
LVDS_TX_AVDD2P5_1
F4
LVDS_TX_AVDD2P5_2
F2
LVDS_TX_AVSS_1
C1
LVDS_TX_AVSS_2
F3
LVDS_TX_AVSS_3
C4
LVDS_TX_AVSS_4
A5
LVDS_TX_AVSS_5
E5
LVDS_TX_AVSS_6
E6
LVDS_TX_AVSS_7
D7
LVDS_TX_AVSS_8
E7
LVDS_TX_AVSS_9
F7
LVDS_TX_AVSS_10
G7
LVDS_TX_AVSS_11
H7
CLK54_AVDD1P2
AD27
CLK54_AVDD2P5
AD28
CLK54_AVSS
AD26
CLK54_XTAL_N
AC26
CLK54_XTAL_P
AC27
CLK54_MONITOR
AE25
PM_OVERRIDE
Y23
VCXO_AGND_1
AA23
VCXO_AGND_2
AB24
VCXO_AGND_3
AC24
VCXO_AVDD1P2
AF25
VCXO_PLL_AUDIO_TESTOUT
AF24
RESET_OUTB
P24
RESETB
F6
NMIB
N24
TMODE_0
J5
TMODE_1
J4
TMODE_2
J6
TMODE_3
J3
SPI_S_MISO
V25
POR_OTP_VDD2P5
AH3
POR_VDD1P2
AB8
EJTAG_TCK
H4
EJTAG_TDI
H3
EJTAG_TDO
H2
EJTAG_TMS
H1
EJTAG_TRSTB
G1
EJTAG_CE0
H6
EJTAG_CE1
H5
PLL_MAIN_AVDD1P2
AB26
PLL_MAIN_AGND
AC25
PLL_MAIN_MIPS_EREF_TESTOUT
AB27
PLL_RAP_AVD_TESTOUT
M6
PLL_RAP_AVD_AVDD1P2
N6
PLL_RAP_AVD_AGND
N7
BYP_CPU_CLK
AA24
BYP_DS_CLK
Y24
BYP_SYS216_CLK
AE24
BYP_SYS175_CLK
AD25
E_TDI
R260
0
R261
0
E_TMS
R262
0
E_TCK
R263
0
E_TDO
FPGA_D/L
R264
0
2 13
54MHz X-TAL
AUDIO INCM-TP
PLACE NEAR JACKS
BROAD BAND STUDIO
FHD
LVDS
USB HUB
EJTAG
Copyright © 2010 LG Electronics Inc. All rights reserved.
Only for training and service purposes
LGE Internal Use Only