LG 32LV2500-JA (CHASSIS:LE13B) Service Manual ▷ View online
USB DOWN STREAM
USB DOWN STREAM
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.
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.
10/07/01
USB/EAR-PHONE
3 130
BCM_JAPAN
D302
5.6V
CDS3C05HDMI1
ESD_USB
Q300
MMBT3904-(F)
OPT
E
B
C
JK300
KJA-PH-0-0177
EAG61030001
3
DETECT
4
L
5
GND
1
R
USB_PWRON1
10:D4
C312
10uF
10uF
10V
Q301
MMBT3904-(F)
OPT
E
B
C
L301
MLB-201209-0120P-N2
120-ohm
USB_DM2
10:D4
+5V_USB
HP_L_OUT
Q26
+3.3V_NORMAL
D301
5.6V
CDS3C05HDMI1
ESD_USB
R320
4.7K
4.7K
OPT
USB_PWRFLT1
10:D4
+5V_USB
D303
5.6V
CDS3C05HDMI1
ESD_USB
USB_PWRON2
10:D4
+3.3V_NORMAL
USB_DP2
10:D4
R319
4.7K
4.7K
OPT
C311
10uF
10uF
10V
HP_R_OUT
Q21
R317
0
D300
5.6V
CDS3C05HDMI1
ESD_USB
Q303
MMBT3904-(F)
MMBT3904-(F)
OPT
E
B
C
R318
0
C314
0.1uF
USB_DP1
10:D4
Q302
MMBT3904-(F)
MMBT3904-(F)
OPT
E
B
C
SIDE_HP_DET
9:G3
C313
0.1uF
USB_PWRFLT2
10:D4
+3.5V_ST
L300
MLB-201209-0120P-N2
120-ohm
USB_DM1
10:D4
SIDE_HP_MUTE Q23;81:I4
R321
2.7K
2.7K
R322
2.7K
2.7K
R315
150
OPT
Q306
ISA1530AC1
ISA1530AC1
OPT
E
B
C
Q307
2SC3052
OPT
E
B
C
HP/BT_LOUT_N
11:F2
HP/BT_ROUT_P
11:F2
L303
BG2012B080TF
IC300
TPA6132A2
TPA6132A2
EAN60724701
3
INR+
2
INL+
4
INR-
1
INL-
5
OUTR
6
G0
7
G1
8
HPVSS
9
CPN
10
PGND
11
CPP
12
HPVDD
13
EN
14
VDD
15
SGND
16
OUTL
L304
BG2012B080TF
C318
2.2uF
10V
2.2uF
10V
HP_R_OUT
C305
1uF
10V
R306
OPT
100K
HP/BT_LOUT_P
11:F2
C316
2.2uF
10V
2.2uF
10V
+3.3V_NORMAL
R301
OPT
C319
2.2uF
10V
R302
4.7K
C308
1uF
10V
1uF
10V
R303
OPT
C306
1uF
1uF
10V
SIDE_HP_MUTE
R300
4.7K
L302
10uH
C304
1uF
10V
1uF
10V
C307
1uF
1uF
10V
HP_L_OUT
HP/BT_ROUT_N
11:F2
Q308
2SC3052
E
B
C
+3.3V_NORMAL
R311
1K
1K
R309
4.7K
4.7K
R310
0
0
OPT
C315
10uF
10V
10V
C317
0.1uF
16V
R314
120
120
R307
0
0
1/16W
R308
0
0
1/16W
C320
0.22uF
16V
0.22uF
16V
C321
0.22uF
16V
0.22uF
16V
JK303
3AU04S-305-ZC-(LG)
EAG62571101
1
2
3
4
5
JK302
3AU04S-305-ZC-(LG)
EAG62571101
1
2
3
4
5
IC301
AP2191DSG
EAN61849601
3
IN_2
2
IN_1
4
EN
1
GND
5
FLG
6
OUT_1
7
OUT_2
8
NC
IC302
AP2191DSG
EAN61849601
3
IN_2
2
IN_1
4
EN
1
GND
5
FLG
6
OUT_1
7
OUT_2
8
NC
C309
100uF
16V
C310
100uF
16V
USB2
EARPHONE BLOCK
EARPHONE AMP
USB(DVR Ready)
USB BLOCK
USB
EARPHONE JACK SIDE
USB1 (DVR Ready)
CHANGE USB_PWRFLT PULL-UP FROM 5V TO 3.3V
Close to the IC
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.
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.
10/07/01
5 130
BCM_JAPAN
SMD_GASKET
G
A
S
1
G
A
S
1
2
G
A
S
3
G
A
S
5
G
A
S
9
G
A
S
4
G
A
S
1
1
G
A
S
6
G
A
S
7
G
A
S
2
G
A
S
8
G
A
S
1
0
G
A
S
1
3
G
A
S
1
4
G
A
S
1
5
G
A
S
9
-
*
2
G
A
S
1
0
-
*
2
G
A
S
1
2
-
*
2
G
A
S
1
3
-
*
2
G
A
S
8
-
*
2
G
A
S
4
-
*
2
G
A
S
5
-
*
2
G
A
S
1
1
-
*
2
G
A
S
2
-
*
2
G
A
S
1
5
-
*
2
G
A
S
1
-
*
2
G
A
S
3
-
*
2
G
A
S
6
-
*
2
G
A
S
7
-
*
2
G
A
S
1
4
-
*
2
G
A
S
9
-
*
1
G
A
S
6
-
*
1
G
A
S
1
4
-
*
1
G
A
S
4
-
*
1
G
A
S
8
-
*
1
G
A
S
1
1
-
*
1
G
A
S
3
-
*
1
G
A
S
1
3
-
*
1
G
A
S
1
0
-
*
1
G
A
S
7
-
*
1
G
A
S
1
2
-
*
1
G
A
S
5
-
*
1
G
A
S
1
-
*
1
G
A
S
1
5
-
*
1
G
A
S
2
-
*
1
G
A
S
1
-
*
3
G
A
S
2
-
*
3
G
A
S
3
-
*
3
G
A
S
4
-
*
3
G
A
S
5
-
*
3
G
A
S
6
-
*
3
G
A
S
7
-
*
3
G
A
S
8
-
*
3
G
A
S
9
-
*
3
G
A
S
1
0
-
*
3
G
A
S
1
1
-
*
3
G
A
S
1
2
-
*
3
G
A
S
1
3
-
*
3
G
A
S
1
4
-
*
3
G
A
S
1
5
-
*
3
G
A
S
1
4
-
*
4
G
A
S
1
3
-
*
4
G
A
S
1
2
-
*
4
G
A
S
8
-
*
4
G
A
S
3
-
*
4
G
A
S
5
-
*
4
G
A
S
1
5
-
*
4
G
A
S
2
-
*
4
G
A
S
6
-
*
4
G
A
S
1
1
-
*
4
G
A
S
9
-
*
4
G
A
S
1
-
*
4
G
A
S
4
-
*
4
G
A
S
1
0
-
*
4
G
A
S
7
-
*
4
GASKET on the Bottom
SMD GASKET FOR EMI (8*6*5.5T)
GASKET on the Bottom
SMD GASKET FOR EMI (8*6*8.5T)
GASKET on the Bottom
SMD GASKET FOR EMI (8*6*6.5T)
GASKET on the Bottom
SMD GASKET FOR EMI (8*6*7.5T)
GASKET on the Bottom
SMD GASKET FOR EMI (8*6*9.5T)
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.
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.
10/07/01
BCM-BOOT/FLASH/GPIO
9 130
BCM-JAPAN
NAND_IO[0-7]
NAND_IO[7]
NAND_IO[6]
NAND_IO[5]
NAND_IO[4]
NAND_IO[3]
NAND_IO[2]
NAND_IO[1]
NAND_IO[0]
NAND_IO[0]
NAND_IO[1]
NAND_IO[3]
NAND_IO[2]
NAND_IO[5]
NAND_IO[4]
NAND_IO[7]
NAND_IO[6]
NAND_REb
A2
R924
1K
R995
10K
R629
2.7K
2.7K
OPT
NAND_IO[6]
C1;I4
R607 2.7K
OPT
NAND_IO[3]
C1;I4
NAND_RBb
A1
R627
2.7K
2.7K
OPT
NAND_IO[0-7]
HDMI_HPD_1
NAND_CLE
A5;A2
D3.3V
NAND_WEb
A2
NAND_IO[1]
C1;I4
C963
4700pF
R973
22
NAND_ALE
A5;A2
NAND_REb
I4
R601
2.7K
OPT
NAND_CEb
A2
NAND_CLE
A2;I4
R949
1K
R974
22
R609
2.7K
OPT
BCM_RX
NAND_ALE
A5;I4
R994
2.7K
BCM_TX
SCL3_3.3V
R610
2.7K
OPT
SCL1_3.3V
SCL0_3.3V
R997
1K
SDA1_3.3V
SDA0_3.3V
R604
2.7K
OPT
D3.3V
PWM_DIM
NAND_RBb
I4
FLASH_WP
81:I5
HDMI_HPD_2
R605
2.7K
OPT
R996
1K
R960
0
R634
2.7K
2.7K
D3.3V
NAND_ALE
A2;I4
R628
2.7K
2.7K
SDA3_3.3V
RGB_DDC_SDA
NAND_IO[5]
C1;I4
R603
2.7K
R970
22
RGB_DDC_SCL
R630
2.7K
2.7K
R631
2.7K
2.7K
OPT
R635
2.7K
2.7K
D3.3V
NAND_WEb
I4
Q901
KRC103S
KRC103S
E
B
C
NAND_CLE
A5;I4
R1041
0
D3.3V
R602
2.7K
C959
0.1uF
R636
2.7K
2.7K
NAND_IO[0-7]
NAND_IO[2]
C1;I4
NAND_IO[7]
C1;I4
D3.3V
R632
2.7K
2.7K
OPT
R1042
2.7K
NAND_IO[0]
C1;I4
R998
1K
NAND_CEb
I4
D3.3V
R633
2.7K
2.7K
R608
2.7K
C958
0.1uF
NAND_IO[4]
C1;I4
R606
2.7K
R951
0
R969
47
R982
2.7K
OPT
2.7K
OPT
AUD_MASTER_CLK
R946
0
MODEL_OPT_7
MODEL_OPT_3
MODEL_OPT_5
R638
100
OPT
R600
100
OPT
R639
100
OPT
MODEL_OPT_0
MODEL_OPT_4
MODEL_OPT_2
+3.3V_NORMAL
MODEL_OPT_2
MODEL_OPT_4
MODEL_OPT_3
MODEL_OPT_0
R649
2.7K
R641
2.7K
NVM_CH0/URSA5
R651
2.7K
URSA
R647
2.7K
FHD
R642
2.7K
10BIT
R645
2.7K
FRC/URSA5
R652
2.7K
NON_URSA
R643
2.7K
8BIT
R646
2.7K
NON_FRC/URSA3
R648
2.7K
HD
R650
2.7K
OPT
R640
2.7K
NVM_CH3
5V_HDMI_1
83:I27;83:L19;83:Z14
R955
22
R986
22
5V_HDMI_2
83:I18;83:Q19;83:AC7
+3.3V_NORMAL
R654
0
SCL0_3.3V
R655
0
OPT
SDA0_3.3V
C601
0.1uF
0.1uF
R653
0
OPT
R656
4.7K
IC901-*1
TC58NVG2S3ETA00
MAIN_FLASH_4G_TOSHIBA
EAN60997701
26
NC_17
27
NC_18
28
NC_19
29
I/O1
30
I/O2
31
I/O3
32
I/O4
33
NC_20
34
NC_21
35
NC_22
36
VSS_2
37
VCC_2
38
NC_23
39
NC_24
40
NC_25
41
I/O5
42
I/O6
43
I/O7
44
I/O8
45
NC_26
46
NC_27
47
NC_28
48
NC_29
17
ALE
3
NC_3
6
NC_6
16
CLE
15
NC_10
14
NC_9
13
VSS_1
12
VCC_1
11
NC_8
10
NC_7
9
CE
8
RE
7
RY/BY
4
NC_4
5
NC_5
25
NC_16
24
NC_15
23
NC_14
2
NC_2
22
NC_13
21
NC_12
1
NC_1
20
NC_11
19
WP
18
WE
LNB_SHORT_DETECT
MODEL_OPT_5
DSUB_DET
OFDM2_SDATA
OFDM2_SYNC
OFDM2_SCLK
PSK1_SDATA
PSK1_SYNC
PSK1_SCLK
PSK2_SDATA
PSK2_SYNC
PSK2_SCLK
B_CAS_5V_3V_CONTROL
SMARTCARD_IO
SMARTCARD_CLK
SMARTCARD_RST
SMARTCARD_PRES
SMARTCARD_VCC
DEMOD_RESET
OFDM_ATN
R637
100
OPT
R926
22
R928
22
R909
22
R912
22
R913
22
R908
22
R916
22
REAR_AV_DET
COMP_DET
R929
22
SIDE_HP_DET
MODEL_OPT_7
R961
2.7K
OFDM1_LOCK
OFDM2_LOCK
PSK1_LOCK
R902
0
R901
0
PSK2_LOCK
R910
0
R911
0
R918
0
R921
0
R922
0
R950
0
R958
0
R959
0
R962
0
R966
0
R900
0
ARC
R991
0
R944
1.2K
R945
1.2K
R941
1.2K
R943
1.2K
R8349
1.2K
R914
0
R8350
1.2K
R660
2.7K
Polarity_Swap
R661
2.7K
Polarity_No_Swap
MODEL_OPT_6
R919
0
OPT
MODEL_OPT_6
R942
0
IC900
LGE3558
EAN61546201
GPIO_00
G24
GPIO_01
E24
GPIO_02
G22
GPIO_03
E23
GPIO_04
D26
GPIO_05
D25
GPIO_06
D23
GPIO_07
D24
GPIO_08
C26
GPIO_09
R25
GPIO_10
R26
GPIO_11
R24
GPIO_12
L1
GPIO_13
L3
GPIO_14
L2
GPIO_15
P23
GPIO_16
P24
GPIO_17
F25
GPIO_18
R23
GPIO_19
H23
GPIO_20
G26
GPIO_21
G25
GPIO_22
AF20
GPIO_23
J21
GPIO_24
E22
GPIO_25
AB21
GPIO_26
AC21
GPIO_27
M4
GPIO_28
M5
GPIO_29
E21
GPIO_30
P26
GPIO_31
P25
GPIO_32
G2
GPIO_33
G3
GPIO_34
G5
GPIO_35
G6
GPIO_36
G4
GPIO_37
F21
GPIO_38
H21
GPIO_39
L5
GPIO_40
K4
GPIO_41
K1
GPIO_42
E25
GPIO_43
F24
GPIO_44
G21
GPIO_45
H25
GPIO_46
H24
GPIO_47
K22
GPIO_48
K21
GPIO_49
J23
GPIO_50
K6
GPIO_51
K5
GPIO_52
J22
GPIO_53
M3
GPIO_54
M2
GPIO_55
M1
GPIO_56
L4
GPIO_57
L6
SGPIO_00
N25
SGPIO_01
N26
SGPIO_02
N24
SGPIO_03
N23
SGPIO_04
J2
SGPIO_05
J1
SGPIO_06
K3
SGPIO_07
K2
NAND_DATA0
H26
NAND_DATA1
J24
NAND_DATA2
J25
NAND_DATA3
J26
NAND_DATA4
K24
NAND_DATA5
K25
NAND_DATA6
L24
NAND_DATA7
L25
NAND_CS0B
L23
NAND_ALE
L21
NAND_REB
M21
NAND_CLE
L22
NAND_WEB
K23
NAND_RBB
M22
SF_MISO
N22
SF_MOSI
M24
SF_SCK
M25
SF_CSB
M26
+3.3V_NORMAL
SDA2_3.3V
SCL2_3.3V
IC901
NAND04GW3B2DN6E
MAIN_FLASH_4G_NUMONYX
EAN61009301
26
NC_17
27
NC_18
28
NC_19
29
I/O0
30
I/O1
31
I/O2
32
I/O3
33
NC_20
34
NC_21
35
NC_22
36
VSS_2
37
VDD_2
38
NC_23
39
NC_24
40
NC_25
41
I/O4
42
I/O5
43
I/O6
44
I/O7
45
NC_26
46
NC_27
47
NC_28
48
NC_29
17
AL
3
NC_3
6
NC_6
16
CL
15
NC_10
14
NC_9
13
VSS_1
12
VDD_1
11
NC_8
10
NC_7
9
E
8
R
7
RB
4
NC_4
5
NC_5
25
NC_16
24
NC_15
23
NC_14
2
NC_2
22
NC_13
21
NC_12
1
NC_1
20
NC_11
19
WP
18
W
R658
0
R657
0
ARC_ENABLE
ERROR_OUT
R8833
0
IC601-*1
M24M01-HRMN6TP
NVRAM_ST
EAN60771501
3
E2
2
E1
4
VSS
1
NC
5
SDA
6
SCL
7
WP
8
VCC
IC601
AT24C1024BN-SH-T
NVRAM_ATMEL
EAN61086701
3
A2
2
A1
4
GND
1
NC
5
SDA
6
SCL
7
WP
8
VCC
Open Drain
* I2C_0: DEMOD (TC90522)/ MVRA,(A8)
* I2C_1: MICOM(52) / NTP7100(54)
* I2C_2: HDMI1 EEPROM (A0)
* I2C_3: HDMI2 EEPROM (A0)
I2C MAP
Boot Strap
Default Res. of all NAND pin is Pull-down
NAND_IO[0] : Flash Select (1)
0 : Boot From Serial Flash
1 : Boot From NAND Flash
0 : Boot From Serial Flash
1 : Boot From NAND Flash
NAND_IO[1] : NAND Block 0 Write (DNS)
0 : Enable Block 0 Write
1 : Disable Block 0 Write
0 : Enable Block 0 Write
1 : Disable Block 0 Write
NAND_IO[3:2] : NAND ECC (1, DNS)
00 : No ECC
01 : 1 ECC Bit
10 : 4 ECC Bit
11 : 8 ECC Bit
00 : No ECC
01 : 1 ECC Bit
10 : 4 ECC Bit
11 : 8 ECC Bit
NAND_IO[4] : CPU Endian (0)
0 : Little Endian
1 : Big Endian
0 : Little Endian
1 : Big Endian
NAND_IO[6:5] : Xtal Bias Control (1, DNS)
00 : 1.2mA (Fundmental Recommand)
01 : 1.8mA
10 : 2.4mA (3rd over tune Recommand)
11 : 3.0mA
00 : 1.2mA (Fundmental Recommand)
01 : 1.8mA
10 : 2.4mA (3rd over tune Recommand)
11 : 3.0mA
NAND_IO[7] : MIPS Frequency (DNS)
0 : 405MHz
1 : 378MHz
0 : 405MHz
1 : 378MHz
NAND_ALE : I2C Level (DNS)
0 : 3.3V Switching
1 : 5V Switching
0 : 3.3V Switching
1 : 5V Switching
NAND_CLE
0 : Enable D2CDIFF AC (DNS)
1 : Disabe D2CDIFF AC
0 : Enable D2CDIFF AC (DNS)
1 : Disabe D2CDIFF AC
BCM3558 Boot Strap
NAND FLASH MEMORY
MODEL_OPT_4
HIGH
HD
MODEL_OPT_0
PIN NAME
8BIT
FHD
MODEL_OPT_3
NON_URSA
LOW
MODEL_OPT_5
MODEL OPTION
URSA
MODEL_OPT_2
PIN NO.
DDR-512M
DDR-256M
10BIT
BCM3558 GPIO
A8’h
NVRAM
#CAUTION
Location numer is mixed
600 & 900 & 1000
Location numer is mixed
600 & 900 & 1000
4G
MODEL_OPT_0 MODEL_OPT_4
LOW
LOW
HIGH
LOW
HIGH
HIGH
LOW
HIGH
NO FRC
URSA3 (External)
LG FRC (External, FRC1 or FRC2)
URSA5 (External)
*MODEL_OPT_0 & MODEL_OPT_4
REFER TO THIS OPTION
REFER TO THIS OPTION
4G
FRC/URSA5
NON_FRC/URSA3
MODEL_OPT_7
NVM_CH0/URSA5
NVM_CH3
MODEL_OPT_6
Polarity_No_Swap
Polarity_Swap
MODEL_OPT_3
LVDS Polarity no swap
MODEL_OPT_8
HIGH
LOW
LOW
LVDS Polarity swap(22/26LV25,22/26LV55,32/42LV34,32/42LV35)
LOW
*MODEL_OPT_3 & MODEL_OPT_8
REFER TO THIS OPTION
REFER TO THIS OPTION
10 year model : MODEL_OPT_8
LVDS Bit selection
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