Table of Contents
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BCM3549 LVDS/AUDIO
IC900
LGE3549XS (LGE3549XS P22 , B2 version)
Place close to BCM
C25
PKT0_CLK
R1007
C24
22
PKT0_DATA
R1008
22
B26
PKT0_SYNC
A25
RMX0_CLK
A26
RMX0_DATA
B25
RMX0_SYNC
C1006
C1007
100pF
100pF
50V
50V
DEV
D3.3V
A1.2V
A2.5V
L1003
AA20
BLM18PG121SN1D
VDAC_AVDD2P5
AD22
VDAC_AVDD1P2
AE22
VDAC_AVDD3P3_1
AE23
VDAC_AVDD3P3_2
W16
VDAC_AVSS_1
Y17
VDAC_AVSS_2
Y18
VDAC_AVSS_3
Y19
VDAC_AVSS_4
AD21
VDAC_AVSS_5
C1024
R1019
560
AF24
0.1uF
VDAC_RBIAS
R8210
AF22
75
VDAC_1
C1020
R8211
75
AE21
0.01uF
VDAC_2
AF23
VDAC_VREG
F23
BBS_SCL
BSC_S_SCL
54MHz_XTAL_P
F22
BBS_SDA
BSC_S_SDA
R6
USB_AVSS_1
R7
USB_AVSS_2
54MHz_XTAL_N
VCXO_PLL_AUDIO_TESTOUT
A1.2V
R3
USB_AVDD1P2
L1000
U3
A2.5V
USB_AVDD1P2PLL
T4
BLM18PG121SN1D
USB_AVDD2P5
T3
USB_AVDD2P5REF
D3.3V
L1001
R4
USB_AVDD3P3
BLM18PG121SN1D
C1003
U4
100pF
USB_RREF
V1
USB_DM1
V2
R1010
R1009
USB_DP1
120
U1
3.9K
USB_DM2
001:AU35
USB_DM1
U2
USB_DP2
001:AU34
USB_DP1
T5
USB_MONCDR
USB1 is inserted
R5
USB_MONPLL
R1
001:AW6
USB_PWRFLT1
USB_PWRFLT_1
R2
USB_PWRFLT_2
T2
001:AQ6
USB_PWRON1
USB_PWRON_1
T1
USB_PWRON_2
P6
R1011
R1014
EPHY_VREF
240
1K
P5
EPHY_RDAC
P3
EPHY_RDN
EPHY_RDN
P2
EPHY_RDP
EPHY_RDP
N3
EPHY_TDN
EPHY_TDN
PLL_MAIN_MIPS_EREF_TESTOUT
EPHY_TDP
N2
EPHY_TDP
PLL_RAP_AVD_TESTOUT
P1
A2.5V
A1.2V
EPHY_AVDD1P2
PLL_RAP_AVD_AVDD1P2
P4
EPHY_AVDD2P5
N4
EPHY_PLL_VDD1P2
N1
L1002
EPHY_AGND_1
N5
BLM18PG121SN1D
EPHY_AGND_2
P7
EPHY_AGND_3
AC8
AUDMX_LEFT1
AB9
AUDMX_RIGHT1
AD8
AUDMX_INCM1
AF6
AUDMX_LEFT2
AE7
AUDMX_RIGHT2
AE6
AUDMX_INCM2
AE8
AUDMX_LEFT3
AD9
AUDMX_RIGHT3
AC9
BCM AUDIO
AUDMX_INCM3
AF7
AUDMX_LEFT4
AE9
AUDMX_RIGHT4
AF8
AUDMX_INCM4
R160
49.9
C158
0.015uF
AB10
AUDIO_LIN
AUDMX_LEFT5
R163
49.9
C163
0.015uF
AD10
AUDIO_RIN
AUDMX_RIGHT5
C164
AC10
PC_LR_INCM
0.22uF
AUDMX_INCM5
AF9
AUDMX_LEFT6
AF10
AUDIO INCM
AUDMX_RIGHT6
AE10
AUDMX_INCM6
AD7
AUDMX_AVSS_1
Y10
AUDMX_AVSS_2
Route INCM between associated
left and right signals of same channel
The INCM trace ends at the
same point where the connector
A2.5V
AA10
ground connects to the board ground
AUDMX_LDO_CAP
(thru-hole connector pin).
AC7
AUDMX_AVDD2P5
EAN60345904
C1026
10uF
#CAUTION
Location numer is mixed
100 & 1000
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
BCM LVDS
B4
LVDS_TX_0_DATA0_P
LVDS_TX_0_DATA0_P
A4
LVDS_TX_0_DATA0_N
LVDS_TX_0_DATA0_N
C6
LVDS_TX_0_DATA1_P
LVDS_TX_0_DATA1_P
B6
LVDS_TX_0_DATA1_N
LVDS_TX_0_DATA1_N
B3
LVDS_TX_0_DATA2_P
LVDS_TX_0_DATA2_P
A3
LVDS_TX_0_DATA2_N
LVDS_TX_0_DATA2_N
A1
LVDS_TX_0_DATA3_P
LVDS_TX_0_DATA3_P
A2
LVDS_TX_0_DATA3_N
LVDS_TX_0_DATA3_N
D5
LVDS_TX_0_DATA4_P
LVDS_TX_0_DATA4_P
D6
LVDS_TX_0_DATA4_N
LVDS_TX_0_DATA4_N
C5
LVDS_TX_0_CLK_P
LVDS_TX_0_CLK_P
B5
LVDS_TX_0_CLK_N
LVDS_TX_0_CLK_N
B1
LVDS_TX_1_DATA0_P
B2
LVDS_TX_1_DATA0_N
C2
LVDS_TX_1_DATA1_P
C3
LVDS_TX_1_DATA1_N
D1
LVDS_TX_1_DATA2_P
D2
LVDS_TX_1_DATA2_N
E1
LVDS_TX_1_DATA3_P
E2
LVDS_TX_1_DATA3_N
E3
LVDS_TX_1_DATA4_P
E4
LVDS_TX_1_DATA4_N
D3
LVDS_TX_1_CLK_P
A1.2V
A2.5V
D4
LVDS_TX_1_CLK_N
F5
C1035
OPT
LVDS_PLL_VREG
F1
10uF
LVDS_TX_AVDDC1P2
F4
LVDS_TX_AVDD2P5_1
F2
LVDS_TX_AVDD2P5_2
C1
LVDS_TX_AVSS_1
F3
LVDS_TX_AVSS_2
C4
LVDS_TX_AVSS_3
A5
LVDS_TX_AVSS_4
E5
LVDS_TX_AVSS_5
E6
LVDS_TX_AVSS_6
D7
LVDS_TX_AVSS_7
E7
LVDS_TX_AVSS_8
F7
LVDS_TX_AVSS_9
G7
3rd Ovretone Crystal
LVDS_TX_AVSS_10
H7
LVDS_TX_AVSS_11
G8
LVDS_TX_AVSS_12
G10
LVDS_TX_AVSS_13
C1000
22pF
A1.2V
A2.5V
R1046
22
U22
C1008
6212AA2600E
CLK54_AVDD1P2
33pF
U23
CLK54_AVDD2P5
L1009
T20
CLK54_AVSS_1
2.7uH
T23
CLK54_AVSS_2
X1001
54MHz
U24
R1047
CLK54_AVSS_3
604
U25
CLK54_XTAL_N
U26
R1045
22
C1001
22pF
CLK54_XTAL_P
T21
CLK54_MONITOR
P21
PM_OVERRIDE
A1.2V
L1004
RESET
BLM18PG121SN1D
Y25
VCXO_AVDD1P2
W23
C1036
C1037
D3.3V
D3.3V
ALL RESET READY
0.1uF
4.7uF
U21
IC1000
VCXO_AGND
RESET_OUTB
AZ7029RTRE1
OPT
RESET_OUTB
H22
R1027
0
R1048
RESET_OUTB
SIGN21474836471
JTAG_RESETb
F6
SOC_RESET
R1052
OUT
VCC
0
0
3
1
RESETB
G23
1K
R1020
D3.3V
NMIB
2
OPT
C1009
J5
TMODE_0
C1010
GND
22uF
J4
SOC_RESET
10uF
PLACE BOTTOM
TMODE_1
EAN38061701
10V
A1.2V
A2.5V
6.3V
J6
TMODE_2
J3
TMODE_3
M23
C1042
0.1uF
SPI_S_MISO
AB7
C1038
10uF
POR_OTP_VDD2P5
Y8
C1011
0.1uF
POR_VDD1P2
BCM3549_JTAG_TCK
H4
EJTAG_TCK
BCM3549_JTAG_TDI
H3
EJTAG_TDI
BCM3549_JTAG_TDO
H2
EJTAG_TDO
H1
BCM3549_JTAG_TMS
EJTAG_TMS
G1
BCM3549_JTAG_TRSTb
EJTAG_TRSTB
4.7K
H6
R1023
EJTAG_CE0
D3.3V
H5
R1024
2.7K
EJTAG_CE1
OPT
L1005
A1.2V
BLM18PG121SN1D
T22
PLL_MAIN_AVDD1P2
T25
PLL_MAIN_AGND
T24
M6
L1006
BLM18PG121SN1D
N6
N7
PLL_RAP_AVD_AGND
V22
PLL_DS_AGND_1
V23
PLL_DS_AGND_2
R22
BYP_CPU_CLK
P22
BYP_DS_CLK
V25
2.7K
R1021
BYP_SYS216_CLK
V26
2.7K
R1022
BYP_SYS175_CLK
EJTAG
P8102
05004HR-20B01S
EPHY_TDP
1
2
EPHY_TDN
3
EPHY_RDP
4
EPHY_RDN
5
EPHY_LINK
6
EPHY_ACTIVITY
+3.3V_NORMAL
7
8
9
10
BBS_SCL
11
BBS_SDA
12
13
BCM_TX
14
BCM_RX
15
UART0_RXD
UART0_TXD
16
17
18
USB_DAT_P
19
USB_DAT_N
20
21
+3.3V_NORMAL
NVRAM
IC601
M24M01-HRMN6TP
R653
R656
0
4.7K
OPT
NC
VCC
1
8
C601
0.1uF
E1
WP
2
7
A8'h
E2
SCL
3
6
SCL3_3.3V
R657
R655
DEV
22
VSS
SDA
0
4
5
SDA3_3.3V
OPT
R658
EAN60771501
22
DOWN_ENZ
HP_DET
VOLUME
001:J37
TU_ATTEN
DSUB_DET
REAR_AV_DET
BCM_RX
3.3V
IC903
74LVC1G126
BCM_TX
DDP_ASIC_READY
DEBUG BCM
HDMI_HPD_1
VCC
OE
5
1
C969
A
0.1uF
2
16V
I2S_AUD_FS1_CLK
Y
GND
4
3
PWRGOOD
DPP6400 Reset
EPHY_ACTIVITY
EPHY_LINK
HDMI_DET
DPP_TX
DPP_RX
001:Z35
XC5000_RESET
USB_S0
USB_S1
I2C MAP
* I2C_0: Tuner
* I2C_1: MICOM(52)
* I2C_2: FMT
* I2C_3: NVRAM(A8)/DPP6401 /
COMP_DET
D3.3V
SE/BTL
BCM_INT
RGB_DDC_SCL
RGB_DDC_SDA
SCL0_3.3V
SDA0_3.3V
SCL1_3.3V
SDA1_3.3V
R8204
22
HDMI_SCL
R8203
22
HDMI_SDA
SCL3_3.3V
SDA3_3.3V
D3.3V
R1033
0
EEPROM for Micom
+3.5V_ST
IC18100
M24C16-WMN6T
NC/E0
VCC
1
8
SCL1_3.3V
NC/E1
WC
2
7
SDA1_3.3V
NC/E2
SCL
R8117
3
6
22
R8114
VSS
SDA
4
5
22
POWER_ON/OFF2_1
AUDIO_SLEEP
SOC_RESET
P8100
0500HR-10N2(G)
+3.5V_ST
1
2
3
4
5
6
OCD1A
7
8
9
10
R8103 10K
11
BCM3549 GPIO
#CAUTION
Location numer is mixed
600 & 900 & 1000
IC900
LGE3549XS (LGE3549XS P22 , B2 version)
0
R942
G24
D3.3V
GPIO_00
D3.3V
E24
GPIO_01
G22
GPIO_02
E23
GPIO_03
D26
GPIO_04
R901
0
D25
GPIO_05
DEV
D23
OPT
GPIO_06
D24
GPIO_07
R1058
0
C26
GPIO_08
R1041
0
R25
GPIO_09
R951
0
R26
GPIO_10
R962
OPT
100
R24
GPIO_11
L1
GPIO_12
L3
GPIO_13
L2
GPIO_14
BCM_RX
P23
BCM_TX
GPIO_15
P24
GPIO_16
R1060
0
F25
NAND FLASH MEMORY
GPIO_17
R924
1K
R23
GPIO_18
R1061
0
H23
GPIO_19
NAND_IO[0-7]
G26
GPIO_20
D3.3V
G25
GPIO_21
D3.3V
IC901
R946
56
AF20
H26
NAND_IO[0]
GPIO_22
NAND_DATA0
J21
J24
NAND_IO[1]
NAND04GW3B2DN6E
R1043
0 OPT
GPIO_23
NAND_DATA1
E22
J25
NAND_IO[2]
GPIO_24
NAND_DATA2
AB21
J26
NAND_IO[3]
GPIO_25
NAND_DATA3
AC21
K24
NC_1
NAND_IO[4]
1
GPIO_26
NAND_DATA4
M4
K25
NAND_IO[5]
NC_2
GPIO_27
NAND_DATA5
2
M5
L24
NAND_IO[6]
GPIO_28
NAND_DATA6
NC_3
R955
22
E21
L25
NAND_IO[7]
3
GPIO_29
NAND_DATA7
R994
R958
0
P26
L23
2.7K
NC_4
GPIO_30
NAND_CS0B
4
R959
0
P25
L21
GPIO_31
NAND_ALE
G2
M21
Open Drain
NC_5
5
DEV
GPIO_32
NAND_REB
G3
L22
NC_6
GPIO_33
NAND_CLE
6
G5
K23
GPIO_34
NAND_WEB
NAND_RBb
RB
R961
0
G6
M22
7
GPIO_35
NAND_RBB
G4
R
GPIO_36
NAND_REb
8
R986
22
F21
GPIO_37
E
R985
22
H21
N22
NAND_CEb
9
GPIO_38
SF_MISO
R984
22
L5
M24
NC_7
GPIO_39
SF_MOSI
C963
10
K4
M25
GPIO_40
SF_SCK
4700pF
NC_8
K1
M26
11
GPIO_41
SF_CSB
R966
0
E25
VDD_1
GPIO_42
C958
12
F24
GPIO_43
0.1uF
VSS_1
G21
13
GPIO_44
H25
NC_9
GPIO_45
14
H24
GPIO_46
NC_10
K22
15
GPIO_47
D3.3V
K21
CL
GPIO_48
NAND_CLE
16
J23
GPIO_49
AL
4G
K6
R995
NAND_ALE
17
GPIO_50
10K
K5
NAND_WEb
W
GPIO_51
J22
18
GPIO_52
WP
R967
0
M3
19
GPIO_53
C
R1059
22
M2
NC_11
GPIO_54
20
R970
22
M1
B
Q901
002:L7
GPIO_55
NC_12
R973
22
L4
KRC103S
21
GPIO_56
22
L6
FLASH_WP
R974
E
NC_13
GPIO_57
N25
22
SGPIO_00
N26
NC_14
23
SGPIO_01
N24
NC_15
SGPIO_02
24
N23
SGPIO_03
J2
EAN61009301
SGPIO_04
J1
SGPIO_05
K3
SGPIO_06
K2
MAIN_FLASH_4G_NUMONYX
SGPIO_07
EAN60345904
10Mhz Crystal
X8101
32.768KHz
*
R8175
4.7M
GND
+3.5V_ST
C8103
0.1uF
P60/SCL0
R8127
22
1
36
P61/SDA0
2
35
R8128
22
P62/EXSCL0
NEC_EEPROM_SCL
3
34
P63
NEC_EEPROM_SDA
4
33
IC8101
P33/TI51/TO51/INTP4
R8129
22
5
32
P75
R8130
22
6
UPD78F0513AGA-GAM-AX
31
P74
R8131
22
7
30
S/W ASSY
P73/KR3
8
29
P72/KR2
R8133
22
9
28
P71/KR1
10
27
P70/KR0
11
26
P32/INTP3/OCD1B
12
25
R8136
22
C8107
1uF
R8179
MICOM_RESET
22
R8177
22
22
R8145
22
R8144
OCD1B
ST_5V
FLMD0
C8111
10uF
10V
IC901-*1
IC901-*2
NAND08GW3B2CN6E
TC58NVG2S3ETA00
NC_1
NC_29
NC_1
NC_29
1
48
1
48
NC_2
NC_28
NC_2
NC_28
2
47
2
47
NC_3
NC_27
NC_3
NC_27
3
46
3
46
NC_4
NC_26
NC_4
NC_26
4
45
4
45
NC_5
I/O7
NC_5
I/O8
DEV
5
DEV
44
5
44
NC_6
I/O6
NC_6
I/O7
6
43
6
43
RY/BY
I/O6
RB
I/O5
7
42
7
42
R
I/O4
RE
I/O5
8
41
8
41
E
NC_25
CE
NC_25
9
40
9
40
NC_7
NC_24
NC_7
NC_24
10
39
IC901-*3
10
39
NC_8
NC_23
NC_8
NC_23
11
38
11
38
K9F8G08U0M-PCB0
VDD_1
VDD_2
VCC_1
VCC_2
12
37
12
37
NC_1
NC_29
1
DEV
48
NC_2
NC_28
VSS_1
VSS_2
VSS_1
VSS_2
2
47
13
36
13
36
NC_3
NC_27
3
46
NC_9
NC_22
NC_4
NC_26
NC_9
NC_22
4
45
14
35
14
35
NC_5
I/O7
5
44
NC_10
NC_21
NC_6
I/O6
NC_10
NC_21
6
43
15
34
15
34
R/B
I/O5
7
42
CL
NC_20
CLE
NC_20
RE
8
41
I/O4
16
33
16
33
CE
NC_25
9
40
NC_7
NC_24
AL
I/O3
ALE
I/O4
10
39
8G
17
32
17
32
4G
NC_8
11
38
NC_23
WE
I/O3
VCC_1
VCC_2
W
I/O2
12
37
18
31
18
31
VSS_1
VSS_2
13
36
WP
I/O2
NC_9
NC_22
WP
I/O1
14
35
19
30
19
30
NC_10
NC_21
15
34
CLE
8G
NC_20
NC_11
I/O0
NC_11
I/O1
16
33
20
29
20
29
ALE
I/O3
17
32
WE
I/O2
NC_12
NC_19
NC_12
NC_19
18
31
21
28
21
28
WP
19
30
I/O1
NC_13
NC_18
NC_11
I/O0
NC_13
NC_18
20
29
22
27
22
27
NC_12
NC_19
21
28
NC_14
NC_17
NC_14
NC_17
NC_13
22
27
NC_18
23
26
23
26
NC_14
NC_17
23
26
NC_15
NC_16
NC_15
NC_16
NC_15
NC_16
24
25
24
25
24
25
EAN60997701
EAN60694001
MAIN_FLASH_8G_SAMSUNG
MAIN_FLASH_4G_TOSHIBA
MAIN_FLASH_8G_NUMONYX
BCM3549 Boot Strap
NC_29
48
NC_28
Default Res. of all NAND pin is Pull-down
47
NC_27
46
D3.3V
NC_26
45
NAND_IO[0] : Flash Select (1)
NAND_IO[7]
0 : Boot From Serial Flash
I/O7
NAND_IO[7]
44
R634
2.7K
1 : Boot From NAND Flash
I/O6
NAND_IO[5]
NAND_IO[6]
43
R633
2.7K
NAND_IO[1] : NAND Block 0 Write (DNS)
I/O5
NAND_IO[5]
NAND_IO[6]
42
R603
2.7K
0 : Enable Block 0 Write
I/O4
NAND_IO[4]
R608
2.7K
41
NAND_IO[4]
1 : Disable Block 0 Write
NC_25
40
NAND_IO[3:2] : NAND ECC (1, DNS)
NC_24
00 : No ECC
39
01 : 1 ECC Bit
NC_23
38
10 : 4 ECC Bit
VDD_2
37
11 : 8 ECC Bit
C959
VSS_2
0.1uF
36
NAND_IO[4] : CPU Endian (0)
NC_22
0 : Little Endian
35
1 : Big Endian
NC_21
34
NC_20
33
NAND_IO[6:5] : Xtal Bias Control (1, DNS)
I/O3
NAND_IO[3]
00 : 1.2mA (Fundmental Recommand)
NAND_IO[3]
32
R602
2.7K
01 : 1.8mA
I/O2
NAND_IO[2]
NAND_IO[2]
2.7K
10 : 2.4mA (3rd over tune Recommand)
31
R630
11 : 3.0mA
I/O1
NAND_IO[1]
NAND_IO[1]
30
R628
2.7K
I/O0
NAND_IO[0]
NAND_IO[0]
NAND_IO[7] : MIPS Frequency (DNS)
29
R606
2.7K
NC_19
0 : 405MHz
28
1 : 378MHz
NC_18
27
NAND_ALE : I2C Level (DNS)
NC_17
26
0 : 3.3V Switching
NC_16
1 : 5V Switching
25
NAND_CLE
0 : Enable D2CDIFF AC (DNS)
1 : Disabe D2CDIFF AC
+3.5V_ST
FLMD0
MICOM_RESET
C8108
0.1uF
R8186
20K
1/16W
1%
P140/PCL/INTP6
R8187
22
RL_ON
P00/TI000
EDID_WP
C
P01/TI010/TO00
R8189
10K
B
Q8100
2SC3052
P130
E
P20/ANI0
R8194
22
FLASH_WP
ANI1/P21
R8195
22
ANI2/P22
R8196
22
ANI3/P23
R8190
22
POWER_ON/OFF1
ANI4/P24
R8193
22
POWER_DET
ANI5/P25
R8191
22
B_NTC
ANI6/P26
R8197
22
C8110
0.01uF
ANI7/P27
R8198
22
+3.5V_ST
P1403
0500HR-10N2(G)
+3.5V_ST
1
KEY_IN0
2
KEY_IN1
3
4
LED_CNT01
47
R1440
5
LED_CNT02
47
R1439
6
7
ST_5V
8
L1400
BLM18PG121SN1D
9
10
16V
16V
0.1uF
0.1uF
11
C1413
C1412
To IR B/D
GP2_BCM_ATSC
09/10/xx
9
100
BCM-BOOT/FLASH/GPIO
LGE Internal Use Only
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