LG 42LV375H Service Manual page 23

BROAD BAND STUDIO
+3.3V_NORMAL
P200
TJC2508-4A
1
2
3
4
R o u t e I N C M b e t w e e n a s s o c i a t e d
l e f t a n d r i g h t s i g n a l s o f s a m e c h a n n e l
T h e I N C M t r a c e e n d s a t t h e
s a m e p o i n t w h e r e t h e c o n n e c t o r
g r o u n d c o n n e c t s t o t h e b o a r d g r o u n d
( t h r u - h o l e c o n n e c t o r p i n ) .
P l a c e t e s t p o i n t s , r e s i s t o r s
n e a r a u d i o c o n n e c t o r .
C o n n e c t t h e o t h e r s i d e o f
t h e r e s i s t o r t o G N D a s c l o s e
a s p o s s i b l e t o t h e g r o u n d
c o n n e c t i o n o f t h e a s s o c i a t e d
a u d i o c o n n e c t o r .
COMP2_L_IN
COMP2_R_IN
COMP2_LR_INCM
SC1_L_IN
SC1_R_IN
SC1_LR_INCM
PC_L_IN
PC_R_IN
PC_LR_INCM
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.
Copyright © 2011 LG Electronics. Inc. All rights reserved.
Only for training and service purposes
D23
FE_TS_DATA_CLK
C24
FE_TS_SERIAL
B26
FE_TS_SYNC
22 A25
RMX0_CLK R9200
22 B25
PKT DATA to PROiDiom R9201
RMX0_DATA
f o r P P V o v e r I P
R9202 22 A26
RMX0_SYNC
G23
CI_A[14]
CI_OUTDATA[0] D25
D24
CI_OUTDATA[1]
CI_OUTDATA[2] C25
E27
CI_OUTDATA[3]
CI_OUTDATA[4] E26
D28
CI_OUTDATA[5]
CI_OUTDATA[6] D27
D26
CI_OUTDATA[7]
CI_OUTSTART E23
E24
CI_OUTVALID
F25
C27
C26
CI_OUTDATA[0-7],CI_OUTSTART,CI_OUTVALID
B28
B27
A27
F24
F23
A3.3V A1.2V A2.5V
E25
C28
A28
R236 R237
L202
0 0
BLM18PG121SN1D
AC18
AF20
AG20
AG21
AF19
AD20
R220:BCM recommened
r e s i s t o r 5 6 2 o h m AE20
R220 560
AH22
AH20
DTV/MNT_V_OUT
AG19
R238
75
AH21
C215 0 . 1 u F
C213 0 . 0 1 u F
M25
M24
R6
T6
R7
A3.3V A2.5V
T7
T8
R3
U3
L200 T4
BLM18PG121SN1D
T3
R4
U4
V1
V2
U1
SIDE_USB_DM
U2
SIDE_USB_DP
T5
D3.3V
R5
R266
2.7K R1
R2
R235 T2
2.7K
T1
P6
R218 R219
240 1K
P5
P3
EPHY_RDN
P2
EPHY_RDP
A1.2V N3
A2.5V
EPHY_TDN
N2
EPHY_TDP
P1
BLM18PG121SN1D
BLM18PG121SN1D L209
P4
BLM18PG121SN1D
N4
L212
C9216 C244 N1
L210
4 . 7 u F 0 . 1 u F
N5
16V
P7
AE6
AD7
AF6
R215 51 C211 0 . 0 1 5 u F AH4
AG5
R228 51 C232 0 . 0 1 5 u F
AG4
AG6
R229 51 C220 0 . 0 1 5 u F
AF7
R230 51 C221 0 . 0 1 5 u F
AE7
AH5
AG7
AH6
AD8
R233 51 C226 0 . 0 1 5 u F
AF8
R234 51 C227 0 . 0 1 5 u F
AE8
AH7
AH8
AG8
AF5
AB9
AA10
AB10
AA11
C222
AB11
0 . 1 u F
AC8
AE5
IC100
LGE3556C (C0 VERSION)
B4
PKT0_CLK LVDS_TX_0_DATA0_P LVDS_TX_1_DATA4_N
A4
LVDS_TX_0_DATA0_N
PKT0_DATA LVDS_TX_1_DATA4_P
C6
PKT0_SYNC LVDS_TX_0_DATA1_P LVDS_TX_1_DATA3_N
B6
LVDS_TX_0_DATA1_N
RMX0_CLK LVDS_TX_1_DATA3_P
B3
RMX0_DATA LVDS_TX_0_DATA2_P LVDS_TX_1_DATA2_N
A3
RMX0_SYNC LVDS_TX_0_DATA2_N
LVDS_TX_1_DATA2_P
A1
LVDS_TX_0_DATA3_P LVDS_TX_1_DATA1_N
A2
LVDS_TX_0_DATA3_N
LVDS_TX_1_DATA1_P
D5
POD2CHIP_MCLKI LVDS_TX_0_DATA4_P LVDS_TX_1_DATA0_N
D6
POD2CHIP_MDI0 LVDS_TX_0_DATA4_N
LVDS_TX_1_DATA0_P
C5
POD2CHIP_MDI1 LVDS_TX_0_CLK_P LVDS_TX_1_CLK_N
B5
POD2CHIP_MDI2 LVDS_TX_0_CLK_N
LVDS_TX_1_CLK_P
B1
POD2CHIP_MDI3 LVDS_TX_1_DATA0_P LVDS_TX_0_DATA4_N
B2
POD2CHIP_MDI4 LVDS_TX_1_DATA0_N
LVDS_TX_0_DATA4_P
C2
POD2CHIP_MDI5 LVDS_TX_1_DATA1_P LVDS_TX_0_DATA3_N
C3
POD2CHIP_MDI6 LVDS_TX_1_DATA1_N
LVDS_TX_0_DATA3_P
D1
POD2CHIP_MDI7 LVDS_TX_1_DATA2_P LVDS_TX_0_DATA2_N
D2
POD2CHIP_MISTRT LVDS_TX_1_DATA2_N
LVDS_TX_0_DATA2_P
E1
POD2CHIP_MIVAL LVDS_TX_1_DATA3_P LVDS_TX_0_DATA1_N
E2
CHIP2POD_MCLKO LVDS_TX_1_DATA3_N
LVDS_TX_0_DATA1_P
E3
CHIP2POD_MDO0 LVDS_TX_1_DATA4_P LVDS_TX_0_DATA0_N
E4
CHIP2POD_MDO1 LVDS_TX_1_DATA4_N
LVDS_TX_0_DATA0_P
D3
CHIP2POD_MDO2 LVDS_TX_1_CLK_P LVDS_TX_0_CLK_N
D4
CHIP2POD_MDO3 LVDS_TX_1_CLK_N
LVDS_TX_0_CLK_P
F5 C228 OPT
CHIP2POD_MDO4 LVDS_PLL_VREG
10uF
F1
CHIP2POD_MDO5 LVDS_TX_AVDDC1P2
F4
CHIP2POD_MDO6 LVDS_TX_AVDD2P5_1
F2
CHIP2POD_MDO7 LVDS_TX_AVDD2P5_2
C1
CHIP2POD_MOSTRT LVDS_TX_AVSS_1
F3
CHIP2POD_MOVAL LVDS_TX_AVSS_2
C4
LVDS_TX_AVSS_3
A5
LVDS_TX_AVSS_4
E5
VDAC_AVDD2P5 LVDS_TX_AVSS_5
E6
VDAC_AVDD1P2 LVDS_TX_AVSS_6
D7
VDAC_AVDD3P3_1 LVDS_TX_AVSS_7
E7
VDAC_AVDD3P3_2 LVDS_TX_AVSS_8
F7
LVDS_TX_AVSS_9
G7
LVDS_TX_AVSS_10
A1.2V
H7
VDAC_AVSS_1 LVDS_TX_AVSS_11
A2.5V
VDAC_AVSS_2
VDAC_AVSS_3
AD27
VDAC_RBIAS CLK54_AVDD1P2
AD28
CLK54_AVDD2P5
VDAC_1
AD26
VDAC_2 CLK54_AVSS
AC26
CLK54_XTAL_N 54MHz_XTAL_N
AC27
VDAC_VREG CLK54_XTAL_P 54MHz_XTAL_P
AE25
CLK54_MONITOR
Y23
PM_OVERRIDE
BSC_S_SCL
BSC_S_SDA
AA23
A1.2V
VCXO_AGND_1
AB24
VCXO_AGND_2
AC24 L203
VCXO_AGND_3
USB_AVSS_1 BLM18PG121SN1D
AF25
USB_AVSS_2 VCXO_AVDD1P2
AF24
C233 C235
USB_AVSS_3 VCXO_PLL_AUDIO_TESTOUT
0 . 1 u F 4 . 7 u F
OPT
USB_AVSS_4
+3.3V_NORMAL
R206
USB_AVSS_5
P24 22
USB_AVDD1P2 RESET_OUTB
F6
USB_AVDD1P2PLL RESETB
N24 4.7K
USB_AVDD2P5 NMIB
J 5 R221
USB_AVDD2P5REF TMODE_0
J 4 A2.5V
USB_AVDD3P3 TMODE_1
J 6 L211
USB_RREF TMODE_2
BLM18PG121SN1D
J 3
USB_DM1 TMODE_3
V25 A1.2V
USB_DP1 SPI_S_MISO C231 C234
AH3 10uF 0 . 1 u F
USB_DM2 POR_OTP_VDD2P5
AB8
USB_DP2 POR_VDD1P2
USB_MONCDR
H4
USB_MONPLL EJTAG_TCK
H3
USB_PWRFLT_1 EJTAG_TDI
H2
USB_PWRFLT_2 EJTAG_TDO
H1
USB_PWRON_1 EJTAG_TMS
1K R249
G1
USB_PWRON_2 EJTAG_TRSTB
H6
EJTAG_CE0
H5
EJTAG_CE1
EPHY_VREF
L204
EPHY_RDAC
BLM18PG121SN1D
AB26
EPHY_RDN PLL_MAIN_AVDD1P2
AC25
EPHY_RDP PLL_MAIN_AGND
AB27 R240
EPHY_TDN PLL_MAIN_MIPS_EREF_TESTOUT
M6
390 L207
EPHY_TDP PLL_RAP_AVD_TESTOUT
OPT BLM18PG121SN1D
N6
EPHY_AVDD1P2 PLL_RAP_AVD_AVDD1P2
N7
EPHY_AVDD2P5 PLL_RAP_AVD_AGND
EPHY_PLL_VDD1P2
EPHY_AGND_1
AA24
EPHY_AGND_2 BYP_CPU_CLK
Y24
EPHY_AGND_3 BYP_DS_CLK
AE24
1K R222
BYP_SYS216_CLK
AD25
1K R262
BYP_SYS175_CLK
AUDMX_LEFT1
T P i s N e c e s s o r y
AUDMX_RIGHT1
AUDMX_INCM1
AUDMX_LEFT2
AUDMX_RIGHT2
AUDMX_INCM2
AUDMX_LEFT3
AUDMX_RIGHT3
AUDMX_INCM3
AUDMX_LEFT4
AUDMX_RIGHT4
AUDMX_INCM4
AUDMX_LEFT5
AUDMX_RIGHT5
AUDMX_INCM5
AUDMX_LEFT6
AUDMX_RIGHT6
AUDMX_INCM6
AUDMX_AVSS_1
AUDMX_AVSS_2
AUDMX_AVSS_3
AUDMX_AVSS_4
AUDMX_AVSS_5
AUDMX_AVSS_6
AUDMX_LDO_CAP
AUDMX_AVDD2P5
A2.5V
C217
10uF
A2.5V
A1.2V
Near Q1705
Run Along TUNER_CVBS_IF_P Trace
Near J1500
Run Along SC1_R,SC_G,SC_B Trace
Near J1603
Run Along COMP1_Y_IN,COMP1_Pr_IN,COMP1_Pb_IN Trace
SYS_RESET_BCM
SYS_RESETb
Near P1600
Run Along DSUB_R Trace
Run Along DSUB_G Trace
Run Along DSUB_B Trace
+3.3V_NORMAL
OPT OPT
R224 R225
2.7K 2.7K
Near J1500
Run Along SC1_CVBS_IN Trace
R226
A1.2V R227
2.7K 2.7K
A1.2V
5 . 1
Near J1603 R259
5 . 1
Near J1500
R257
5 . 1
Near J1602
R252
Near Q1704
54MHz X-TAL
W h e n u s d i n g F U N D M E N T A l t h e n s e r i e s R = 0 o h m a n d C L = 8 p F
W h e n u s d i n g D i p - t y p e X - t a l t h e n s e r i e s R = 2 2 o h m a n d C L = 1 2 p F
C230
22
12pF
R212
54MHz_XTAL_N
54MHz_XTAL_P
22
12pF
R211
C229
VIDEO INCM
PLACE NEAR BCM CHIP
C258 0 . 1 u F
TU_CVBS_INCM
C9209 0 . 1 u F
SC1_RGB_INCM
C262 0 . 1 u F
COMP2_VID_INCM
C9205 0 . 1 u F
R_VID_INCM
C9206 0 . 1 u F
G_VID_INCM
C264 0 . 1 u F
B_VID_INCM
C9201 0 . 1 u F
SC1_CVBS_INCM
AUDIO INCM
PLACE NEAR BCM CHIP
COMP2_LR_INCM
Route Between COMP1_L_IN & COMP1_R_IN
0 . 1 5 u F
C9215
C265
0 . 4 7 u F
SC1_LR_INCM
Route Between SC1_L_IN & SC1_R_IN
0 . 1 5 u F
C9212 0 . 4 7 u F
C270
PC_LR_INCM
Route Between PC_L_IN & PC_R_IN
0 . 1 5 u F
0 . 4 7 u F
C269
C9200
TU_SIF_INCM
Route Along With TUNER_SIF_IF_N
Chameleon(EU_GP2_BCM3556)
xxLV375H-ZA 2 0 1 0 . 1 2 . 2 0
BCM3556 & AUD_IN/LVDS 2
LGE Internal Use Only