LG 32LH35FD Service Manual page 27

A B
54MHz X-TAL
1
There are Lots of problem using fundamental crystal
R205
22
2
54MHz_XTAL_P
L206
54MHz_XTAL_N
C296
33pF
R211
22
MOVE BOTTOM SIDE TO TOP SIDE OF PCB
3
JTAG
E5
BCM3549_JTAG_TRSTb
E5 BCM3549_JTAG_TDI
OPT
BCM3549_JTAG_TDO
E5
R236 1K
E5
BCM3549_JTAG_TMS
E4 BCM3549_JTAG_TCK
OPT
9:A7 JTAG_RESETb
R237 1K
4
5
INCM
Route INCM between
associated Left and Right
Example)
signals of same channel.
<<---- Left signal ----<<
Route all 3 traces
<<---- INCM -----------<<
as matched lines.
<<---- Right signal ---<<
Shield all lines!!!
14:A5 AV1_INCM
6
14:A6 COMP1_INCM
14:A5 COMP2_INCM
14:A4 SIDE_INCM
PC_INCM
14:A3
7
Place this TP,Resistors <<-- -->> Place capacitors very close to BCM3556
near Audio connector.
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.
C D
TU_SCLK
5:B6
TU_SDATA
5:B6
TU_SYNC
5:B6
D3
D3
BLM18PG121SN1D
D3.3V
ENG
D3.3V
P200
TJC2508-4A
JP200
1
JP201
2
JP202
3
JP203
4
A3.3V
A1.2V
BBS DEBUG
A2.5V
L200
BLM18PG121SN1D
R209
C201
3.9K
100pF
1%
R210
120
INCM
R202 51 C204 15nF
AV1_L_IN
14:A5
R203 51 C205 15nF
14:A5 AV1_R_IN
C2007
R204 51 C206 15nF
14:A6 COMP1_L_IN
0.15uF
R206 51 C222 15nF
14:A6 COMP1_R_IN
C2008
R207 51 C210 15nF
0.15uF 14:A5 COMP2_L_IN
R212 51 C211 15nF
14:A5 COMP2_R_IN
C2009 R213 51 C217 15nF
14:A4 SIDE_L_IN
0.15uF
R214 51 C218 15nF
SIDE_R_IN
14:A4
R216 51 C220 15nF
C2010
14:A3 PC_L_IN
0.15uF
R217 51 C221 15nF
PC_R_IN
14:A3
C2015
0.15uF
E F
IC100
BCM3556
D23 B4
PKT0_CLK LVDS_TX_0_DATA0_P
C24 A4
PKT0_DATA LVDS_TX_0_DATA0_N
B26 C6
PKT0_SYNC LVDS_TX_0_DATA1_P
A25 B6
RMX0_CLK LVDS_TX_0_DATA1_N
B25 B3
RMX0_DATA LVDS_TX_0_DATA2_P
A26 A3
RMX0_SYNC LVDS_TX_0_DATA2_N
A1
LVDS_TX_0_DATA3_P
A2
LVDS_TX_0_DATA3_N
G23 D5
POD2CHIP_MCLKI LVDS_TX_0_DATA4_P
D25 D6
POD2CHIP_MDI0 LVDS_TX_0_DATA4_N
D24 C5
POD2CHIP_MDI1 LVDS_TX_0_CLK_P
C25 B5
POD2CHIP_MDI2 LVDS_TX_0_CLK_N
E27 B1
POD2CHIP_MDI3 LVDS_TX_1_DATA0_P
E26 B2
POD2CHIP_MDI4 LVDS_TX_1_DATA0_N
D28 C2
POD2CHIP_MDI5 LVDS_TX_1_DATA1_P
D27 C3
POD2CHIP_MDI6 LVDS_TX_1_DATA1_N
D26 D1
POD2CHIP_MDI7 LVDS_TX_1_DATA2_P
E23 D2
POD2CHIP_MISTRT LVDS_TX_1_DATA2_N
E24 E1
POD2CHIP_MIVAL LVDS_TX_1_DATA3_P
F25 E2
CHIP2POD_MCLKO LVDS_TX_1_DATA3_N
C27 E3
CHIP2POD_MDO0 LVDS_TX_1_DATA4_P
C26 E4
CHIP2POD_MDO1 LVDS_TX_1_DATA4_N
B28 D3
CHIP2POD_MDO2 LVDS_TX_1_CLK_P
B27 D4
CHIP2POD_MDO3 LVDS_TX_1_CLK_N
A27 F5 C228
CHIP2POD_MDO4 LVDS_PLL_VREG
10uF
F24 F1
CHIP2POD_MDO5 LVDS_TX_AVDDC1P2
F23 F4
CHIP2POD_MDO6 LVDS_TX_AVDD2P5_1
E25 F2
CHIP2POD_MDO7 LVDS_TX_AVDD2P5_2
C28 C1
A3.3V A1.2V A2.5V
CHIP2POD_MOSTRT LVDS_TX_AVSS_1
A28 F3
CHIP2POD_MOVAL LVDS_TX_AVSS_2
C4
LVDS_TX_AVSS_3
A5
L202 LVDS_TX_AVSS_4
AC18 E5
VDAC_AVDD2P5 LVDS_TX_AVSS_5
AF20 E6
VDAC_AVDD1P2 LVDS_TX_AVSS_6
AG20 D7
VDAC_AVDD3P3_1 LVDS_TX_AVSS_7
AG21 E7
VDAC_AVDD3P3_2 LVDS_TX_AVSS_8
F7
LVDS_TX_AVSS_9
G7
LVDS_TX_AVSS_10
AF19 H7
VDAC_AVSS_1 LVDS_TX_AVSS_11
AD20
VDAC_AVSS_2
AE20
VDAC_AVSS_3
AH22 AD27
VDAC_RBIAS CLK54_AVDD1P2
C215
AH20 AD28
R220
0.1uF
560 VDAC_1 CLK54_AVDD2P5
AG19 AD26
VDAC_2 CLK54_AVSS
C213 AC26
CLK54_XTAL_N
0.01uF
AH21 AC27
VDAC_VREG CLK54_XTAL_P
AE25
CLK54_MONITOR
Y23
PM_OVERRIDE
M25
BSC_S_SCL
M24
BSC_S_SDA
MNT_VOUT AA23
VCXO_AGND_1
AB24
VCXO_AGND_2
R6 AC24
USB_AVSS_1 VCXO_AGND_3
T6 AF25
USB_AVSS_2 VCXO_AVDD1P2
R7 AF24
C233
USB_AVSS_3 VCXO_PLL_AUDIO_TESTOUT
T7 0.1uF
USB_AVSS_4
T8
USB_AVSS_5
R3 P24
USB_AVDD1P2 RESET_OUTB
U3 F6
USB_AVDD1P2PLL RESETB
2.7K
T4 N24
USB_AVDD2P5 NMIB
T3 J5 R221
USB_AVDD2P5REF TMODE_0
R4 J4
USB_AVDD3P3 TMODE_1
U4 J6 A1.2V
USB_RREF TMODE_2
V1 J3
USB_DM1
USB_DM1 TMODE_3
V2 V25 L201
USB_DP1
D3.3V USB_DP1 SPI_S_MISO
BLM18PG121SN1D
U1 AH3
USB_DM2
USB_DM2 POR_OTP_VDD2P5
U2 AB8
USB_DP2 C231
USB_DP2 POR_VDD1P2
T5 10uF
USB_MONCDR
R5 H4
USB_MONPLL EJTAG_TCK
2.7K R215 R1 H3
USB_PWRFLT_1 EJTAG_TDI
R2 H2
USB_PWRFLT2
USB_PWRFLT_2 EJTAG_TDO
14:AI20
T2 H1
USB_PWRON_1 EJTAG_TMS
T1 G1
USB_PWRON2
14:AH21 USB_PWRON_2 EJTAG_TRSTB
H6
EJTAG_CE0
H5
EJTAG_CE1
P6
R218
EPHY_VREF
240 1K P5
R219
EPHY_RDAC
P3 AB26
EPHY_RDN PLL_MAIN_AVDD1P2
P2 AC25
C237
EPHY_RDP PLL_MAIN_AGND
N3 AB27 0.1uF
A1.2V A2.5V
EPHY_TDN PLL_MAIN_MIPS_EREF_TESTOUT
N2 M6
EPHY_TDP PLL_RAP_AVD_TESTOUT
P1 N6
EPHY_AVDD1P2 PLL_RAP_AVD_AVDD1P2
P4 N7
C238
EPHY_AVDD2P5 PLL_RAP_AVD_AGND
0.1uF
N4
EPHY_PLL_VDD1P2
N1
EPHY_AGND_1
N5 AA24
EPHY_AGND_2 BYP_CPU_CLK
P7 Y24
EPHY_AGND_3 BYP_DS_CLK
AE24
1K
BYP_SYS216_CLK
AD25 1K
BYP_SYS175_CLK
AE6
AUDMX_LEFT1
AD7
AUDMX_RIGHT1
AF6
AUDMX_INCM1
AH4
AUDMX_LEFT2
AG5
AUDMX_RIGHT2
AG4
AUDMX_INCM2
AG6
AUDMX_LEFT3
AF7
AUDMX_RIGHT3
AE7
AUDMX_INCM3
AH5
AUDMX_LEFT4
AG7
AUDMX_RIGHT4
AH6
AUDMX_INCM4
AD8
AUDMX_LEFT5
AF8
AUDMX_RIGHT5
AE8
AUDMX_INCM5
AH7
AUDMX_LEFT6
AH8
AUDMX_RIGHT6
AG8
AUDMX_INCM6
AF5
AUDMX_AVSS_1
AB9
AUDMX_AVSS_2
AA10
AUDMX_AVSS_3
A2.5V
AB10
AUDMX_AVSS_4
AA11
AUDMX_AVSS_5
AB11
C273 AUDMX_AVSS_6
AC8
AUDMX_LDO_CAP
0.1uF AE5
AUDMX_AVDD2P5
C271
10uF
G H
D1.2V
C243 C249 C250 C251 C252 C253 C254 C286 C287
0.1uF 4.7uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 33uF 33uF
7:D7
LVDS_TX_1_DATA4_N
LVDS_TX_1_DATA4_P 7:D7
LVDS_TX_1_DATA3_N 7:D7
LVDS_TX_1_DATA3_P 7:D7
LVDS_TX_1_DATA2_N 7:D7
7:D7
LVDS_TX_1_DATA2_P
LVDS_TX_1_DATA1_N 7:D7
LVDS_TX_1_DATA1_P 7:D7
7:D7
LVDS_TX_1_DATA0_N
LVDS_TX_1_DATA0_P 7:D7
LVDS_TX_1_CLK_N 7:D7
LVDS_TX_1_CLK_P 7:D7
LVDS_TX_0_DATA4_N 7:E7
7:E7
LVDS_TX_0_DATA4_P
LVDS_TX_0_DATA3_N 7:E7
LVDS_TX_0_DATA3_P 7:E7
LVDS_TX_0_DATA2_N 7:E7
LVDS_TX_0_DATA2_P 7:E7
7:E7
LVDS_TX_0_DATA1_N
LVDS_TX_0_DATA1_P 7:E7
LVDS_TX_0_DATA0_N 7:E7
7:E7
LVDS_TX_0_DATA0_P
LVDS_TX_0_CLK_N 7:E7 A1.2V
A2.5V
LVDS_TX_0_CLK_P 7:E7
OPT
A1.2V
A2.5V
54MHz_XTAL_N H4
54MHz_XTAL_P H4
A1.2V
L203
BLM18PG121SN1D
D1.2V
C235
4.7uF
D3.3V
9:B7;14:I27
SYS_RESETb H8
J8
K8
L8
M8
A2.5V D3.3V
N8
P8
R8
OPT
R224 R225 AA8
C234
0.1uF 4.7K 4.7K H9
BCM3549_JTAG_TCK H10
G2
H11
BCM3549_JTAG_TDI
G2
H12
BCM3549_JTAG_TDO
G2
BCM3549_JTAG_TMS H13
G2
OPT H14
BCM3549_JTAG_TRSTb
G2
1K R226 H15
1K R227 For using T32 Debugger H16
H17
EJTAG_CE[1:0] = 01
L204 A1.2V
H18
BLM18PG121SN1D
H19
H21
C240
4.7uF
J21
L207 A1.2V K21
BLM18PG121SN1D
L21
M21
C241
4.7uF
N21
P21
R21
T21
R222 U21
R223 V21
W21
A3.3V Y21
AH27
D3.3V
C2003
AA12
0.1uF
AA13
AA18
AA19
E28
L28
U28
AB28
D1.8V
A9
G9
G11
G13
A14
G15
G17
A19
G19
BRAZIL DVR DV
BCM3556_AUDIO_XTAL
I J
D1.2V
C244 C246 C256 C258 C259 C262 C265 C266 C288 C290
0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF
D3.3V
C245 C255 C257 C261 C263 C264 C267 C289
4.7uF 0.1uF 0.01uF 0.1uF 4.7uF 0.1uF 0.01uF 0.1uF
D3.3V
C216 C270 C292 C294
0.1uF 0.1uF 0.1uF 0.1uF
D1.8V
C247 C272 C275 C276 C278 C280 C297
C2004
0.1uF 0.1uF 0.1uF 0.1uF 4.7uF 4.7uF 4.7uF 33uF
D1.8V
C283 C284 C285 C2005 C2006
C248 C281 C282
1000pF 0.01uF 0.01uF 0.01uF 0.01uF
1000pF
1000pF 1000pF
IC100
BCM3556
IC100
BCM3556
AD5 P16
DVSS_1 DVSS_62
AD6 R16
DVSS_2 DVSS_63
J7 T16
VDDC_1
DVSS_3 DVSS_64
K7 U16
VDDC_2
DVSS_4 DVSS_65
L7 V16
VDDC_3
DVSS_5 DVSS_66
M7 AA16
VDDC_4
DVSS_6 DVSS_67
AB7 D17
VDDC_5
DVSS_7 DVSS_68
AC7 L17
VDDC_6
DVSS_8 DVSS_69
G8 M17
VDDC_7
DVSS_9 DVSS_70
D9 N17
VDDC_8
DVSS_10 DVSS_71
AA9 P17
VDDC_9
DVSS_11 DVSS_72
G10 R17
VDDC_10
DVSS_12 DVSS_73
A11 T17
VDDC_11
DVSS_13 DVSS_74
L11 U17
VDDC_12
DVSS_14 DVSS_75
M11 V17
VDDC_13
DVSS_15 DVSS_76
N11 AA17
VDDC_14
DVSS_16 DVSS_77
P11 AC19
VDDC_15
DVSS_17 DVSS_78
R11 G18
VDDC_16
DVSS_18 DVSS_79
T11 L18
VDDC_17
DVSS_19 DVSS_80
U11 M18
VDDC_18
DVSS_20 DVSS_81
V11 N18
VDDC_19
DVSS_21 DVSS_82
D12 P18
VDDC_20
DVSS_22 DVSS_83
G12 R18
VDDC_21
DVSS_23 DVSS_84
L12 T18
VDDC_22
DVSS_24 DVSS_85
M12 U18
VDDC_23
DVSS_25 DVSS_86
N12 V18
VDDC_24
DVSS_26 DVSS_87
P12 D20
VDDC_25
DVSS_27 DVSS_88
R12 G20
VDDC_26
DVSS_28 DVSS_89
T12 H20
VDDC_27
DVSS_29 DVSS_90
U12 A21
VDDC_28
DVSS_30 DVSS_91
V12 E21
VDDC_29
DVSS_31 DVSS_92
L13 F21
VDDC_30
DVSS_32 DVSS_93
M13 G21
VDDC_31
DVSS_33 DVSS_94
N13 E22
VDDC_32
DVSS_34 DVSS_95
P13 F22
VDDC_33
DVSS_35 DVSS_96
R13 G22
DVSS_36 DVSS_97
T13 H22
DVSS_37 DVSS_98
U13 J22
AGC_VDDO
DVSS_38 DVSS_99
V13 K22
DVSS_39 DVSS_100
G14 L22
DVSS_40 DVSS_101
L14 M22
VDDO_1
DVSS_41 DVSS_102
M14 N22
VDDO_2
DVSS_42 DVSS_103
N14 P22
VDDO_3
DVSS_43 DVSS_104
P14 R22
VDDO_4
DVSS_44 DVSS_105
R14 T22
VDDO_5
DVSS_45 DVSS_106
T14 U22
VDDO_6
DVSS_46 DVSS_107
U14 V22
VDDO_7
DVSS_47 DVSS_108
V14 W22
VDDO_8
DVSS_48 DVSS_109
L15 Y22
DVSS_49 DVSS_110
M15 AA22
DVSS_50 DVSS_111
N15 W23
DDRV_1
DVSS_51 DVSS_112
P15 AB23
DDRV_2
DVSS_52 DVSS_113
R15 F28
DDRV_3
DVSS_53 DVSS_114
T15 M28
DDRV_4
DVSS_54 DVSS_115
U15 T28
DDRV_5
DVSS_55 DVSS_116
V15 AC28
DDRV_6
DVSS_56 DVSS_117
A16
DDRV_7
DVSS_57
G16
DDRV_8
DVSS_58
L16
DDRV_9
DVSS_59
M16
DVSS_60
N16
DVSS_61
2009.01.20
10 17
K