DOWNLOAD LG 55LEX8-SA (CHASSIS:LJ03S) Service Manual ↓ Size: 7.58 MB | Pages: 88 in PDF or view online for FREE

Model
55LEX8-SA (CHASSIS:LJ03S)
Pages
88
Size
7.58 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / LCD
File
55lex8-sa-chassis-lj03s.pdf
Date
PREV: LG 47LEX8-ZA (CHASSIS:LD03S) Service Manual

LG 55LEX8-SA (CHASSIS:LJ03S) Service Manual ▷ View online

THERMAL
THERMAL
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.
POWER
BCM (EUROBBTV)
+5V_USB
+3.5V_ST
L80006
3.6uH
NR8040T3R6N
+12V
C8017
0.1uF
OPT
+5V_USB
+3.3V_NORMAL
POWER_ON/OFF2_2
L80012
3.6uH
NR8040T3R6N
POWER_ON/OFF1
R80022
4.7K
OPT
C8020
22uF
10V
C8046
100pF
50V
OPT
P8000
FW20020-24S
19
14
9
4
18
13
8
3
17
12
7
2
16
11
6
1
20
15
10
5
21
22
23
24
R80014
100
R80038
5.6K
1%
C8016
100pF
50V
OPT
C8004
0.1uF
16V
Q8000
2SC3052
E
B
C
INV_CTL
+3.5V_ST
C8018
0.1uF
50V
R80039
10K
1%
C8040
2200pF
PWM_DIM
R80004
4.7K
C8047
22uF
10V
R80001
10K
0
R80015
+3.3V_NORMAL
Q8002
RT1P141C-T112
1
2
3
R80061
100
C8007
0.1uF
+5V_NORMAL
C8021
1uF
25V
OPT
R80034
10K
R80055
100K
R80010
10K
R80017
6.8K
OPT
C8025
0.1uF
16V
L80002
500
0
R80021
L80004
MLB-201209-0120P-N2
R80033
12K
R80023
10K
OPT
+12V
R80063
10K
OPT
C8024
68uF
35V
RL_ON
ERROR_OUT
L80007
MLB-201209-0120P-N2
+24V
R80037
47K
1%
R80011
10K
POWER_DET
C8019
100pF
50V
OPT
+3.5V_ST
+12V
R80006
22
C8014
1uF
50V
IC8007
NCP803SN293
1
GND
3
VCC
2
RESET
R80013
6.2K
1%
C8000
100uF
16V
IC8000
MP8706EN-C247-LF-Z
3
SW_2
2
SW_1
4
BST
1
IN
5
EN/SYNC
6
FB
7
VCC
8
GND
+24V
C8028
10uF
25V
L80003
MLB-201209-0120P-N2
R80050
12K
1%
PD_+12V
POWER_ON/OFF2_1
C8023
0.1uF
16V
R80020
10K
C8030
10uF
25V
C8049
0.1uF
16V
+3.5V_ST
C8006
0.1uF
16V
0
R80018
OPT
+12V_POWER
R80051
5.1K
1/16W
5%
NON_PD_+3.5V
R80012
33K
1%
Q8005
2SC3052
E
B
C
POWER_ON/OFF2_1
R80052
3.9K
OPT
L80018
3.6uH
IC8005
AOZ1024DI
1
PGND
2
VIN
3
AGND
4
FB
5
COMP
6
EN
7
LX
+12V
D3.3V
C8064
0.1uF
16V
C8063
0.1uF
16V
+3.3V_NORMAL
L80019
CIC21J501NE
R80056
27K
1%
R80057
4.7K
1%
R80058
10K
1%
POWER_ON/OFF2_2
L80009
CIC21J501NE
L80015
CIC21J501NE
R80043
20K
R80019
1K
C8029
22uF
16V
L80008
MLB-201209-0120P-N2
L80013
BLM18PG121SN1D
R80031
3.9K
OPT
C8045
0.1uF
16V
A1.2V
D1.2V
R80024
100K
C8027
0.1uF
+3.5V_ST
R80027
470K
1%
C8036
0.1uF
C8032
0.1uF
L80011
2uH
R80032
910K
1%
C8026
0.1uF
10
R80025
R80026
0
C8035
22uF
D1.8V
L80014
3.6uH
NR8040T3R6N
R80036
10K
0.1uF
C8050
R80035
6.8K
C8042
0.01uF
25V
+3.5V_ST
C8038
0.01uF
25V
C8031
22uF
10V
C8044
100pF
50V
OPT
R80041
10K
1%
C8048
22uF
10V
R80040
10K
1/10W
1%
C8034
0.01uF
25V
L80010
CIC21J501NE
IC8003
AOZ1072AI
3
AGND
2
VIN
4
FB
1
PGND
5
COMP
6
EN
7
LX_1
8
LX_2
C8001
100uF
25V
C8003
0.1uF
50V
C8005
0.1uF
50V
C8052
22uF
25V
C8051
0.1uF
50V
C8002
10uF
25V
R80062
100
R80054
100K
IC8008
NCP803SN293
1
GND
3
VCC
2
RESET
R80048
24K
1%
POWER 20V
R8061-*1
24K
1%
POWER 24V
R80049
5.1K
5%
POWER 20V
R8062-*1
4.3K
1%
POWER 24V
+3.5V_ST
R80042
14K
1%
OPT
IC8002
MP2108DQ
3
LX
2
VIN
4
PGND
1
BST
5
SGND
6
SS
7
FB
8
COMP
9
VREF
10
RUN
IC8001
MP2208DL-LF-Z
3
PGND_1
2
SS
4
SW_1
1
AGND
6
NC
5
IN_1
7
BS
8
VCC
9
POK
10
IN_2
11
SW_2
12
PGND_2
13
EN/SYNC
14
FB
15
EP
C8065
0.1uF
16V
C8039
3300pF
50V
C8041
22uF
10V
C8037
22uF
10V
C8057
22uF
10V
C8059
22uF
10V
C8033
1uF
10V
R80044
10K
R80028
10K
R80016
0
OPT
C8067
10uF
10V
C8068
0.1uF
16V
C8054
2200pF
50V
D8000
5.6V
C8069
0.1uF
OPT
R8064-*1
27K
1%
PD_+3.5V
R80053
1K
1%
PD_+3.5V
R8061-*2
22K
1%
POWER 18.5V
R8062-*2
4.7K 1%
POWER 18.5V
BLU_ON/OFF
C8070
0.1uF
16V
C8071
0.1uF
C8072
0.1uF
C8073
0.1uF
16V
C8074
0.1uF
16V
A2.5V
+3.3V_NORMAL
+5V_NORMAL
C8075
0.1uF
16V
C8076
0.1uF
16V
+12V
C8077
0.1uF
16V
R80029
100K
R80030
30K
1%
C8078
100uF
16V
C8066
10uF
16V
C8043
10uF
16V
C8009
0.1uF
50V
C8008
0.01uF
25V
C8010
10uF
25V
OPT
R80007
22K
L80005
CIC21J501NE
C8015
1uF
25V
Q8004
AO3407A
G
D
S
C8022
0.1uF
50V
Q8003
2SC3052
E
B
C
R80003
10K
OPT
+12V_POWER
L80001
CIC21J501NE
OPT
PANEL_CTL
081:A2;033:P22
R80005
22K
R80009 1.8K
R80008
10K
Q8001
2SC3052
E
B
C
R80002
47K
C8013
4.7uF
50V
+12V
+5V_NORMAL
L80020
500
+3.3V_NORMAL
0.1uF
C8056
OPT
R80047
10K
BCD
C8061
10uF
16V
R80045
10K
SEMTECH
0.1uF
C8055
L80016
500
R80046
10K
BCD
R8072-*1
15K
1/10W
1%
BCD
R80059
18K
1%
SEMTECH
IC8004-*1
SC4215ISTRT
SEMTECH
3
VIN
2
EN
4
NC_2
1
NC_1
5
NC_3
6
VO
7
ADJ
8
GND
C8058
10uF
16V
R80060
39K
1%
SEMTECH
C8011
0.1uF
OPT
L80017
BCD
500
A2.5V
IC8004
AP2132MP-2.5TRG1
BCD
3
VIN
2
EN
4
VCTRL
1
PG
5
NC
6
VOUT
7
ADJ
8
GND
9
[EP]
0.1uF
C8062
R8073-*1
4.7K
1/10W
1%
BCD
C8053
10uF
16V
15
Vout=(1+R1/R2)*0.8
+5V_NORMAL
R2
3A
ST_3.5V-->3.5V
Vout=0.8*(1+R1/R2)
+5V_USB
20V-->3.5V
Power_DET
15V-->3.6V
2A
R1
24V-->3.48V
FROM LIPS & POWER B/D
R2
MAX 350mA
R1
MAX 1500mA
Max 1100 mA
12V-->3.58V
+3.3V_NORMAL
MAX 3.1A
MAX 2.3A
Vout=0.8*(1+R1/R2)
R1
R2
BCM core 1.2V volt
Placed on SMD-TOP
Vout=0.9*(1+R1/R2)
Replaced Part
R1
C IN
3A
Placed on SMD-TOP
R2
BCM DDR 1.8V
not to RESET at 8kV ESD
+12V_POWER
VOUT : 2.533V
R2
A2.5V
R1
Vout=0.8*(1+R1/R2)
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.
+3.5V_ST
POWER_ON/OFF1
R8178
22
DP_CABLE_DET
R8126
10K
OPT
R8139
10K
OPT
R8112
10K
TACT_KEY
R8135
22
R8192
22 OPT
R8116
22
LED_B/LG_LOGO
R8182
10K
OPT
NEC_EEPROM_SDA
+3.5V_ST
R8127
22
R
8
1
7
7
2
2
C8100
0.1uF
R8115
22
R8134
22
R8124
10K
LCD/PDP
RL_ON
INV_CTL
R8194
22
MODEL1_OPT_2
+3.5V_ST
+3.5V_ST
+3.5V_ST
R8132
22
+3.5V_ST
R
8
1
7
6
2
2
NEC_ISP_Tx
IR
R8125
4.7K
NEC_ISP_Rx
OCD1B
OCD1A
SW8100
JTP-1127WEM
1
2
4
3
MODEL1_OPT_3
R8111
10K
TOUCH_KEY
AMP_RESET_N
FLMD0
MICOM_RESET
POWER_ON/OFF2_2
R8143
10K
NEC_EEPROM_SDA
OCD1A
OCD1A
R8195
22
MICOM_RESET
R8113
22
R8188
22
R
8
1
4
2
2
2
NON_M-REMOTE
+3.5V_ST
+3.5V_ST
KEY1
Q8100
2SC3052
E
B
C
SOC_RESET
MODEL1_OPT_0
R8106
10K
R8185
20K
1/16W
1%
C8104
0.1uF
R8184
47K
+3.5V_ST
NEC_ISP_Tx
NEC_RXD
R8128
22
NEC_EEPROM_SCL
SCART1_MUTE
R8133
22
R8110
10K
LCD/OLED
R8104
10K
NEC_TXD
R8181
10K
OPT
R
8
1
4
5
2
2
R8186
20K
1/16W
1%
MODEL1_OPT_1
R8190
22
R8123
10K
OLED/3D
AMP_MUTE
R8189
10K
POWER_ON/OFF2_1
R8108
10K
R8183
10K
OPT
C8103
0.1uF
R
8
1
4
4
2
2
HDMI_CEC
R8180
22
OPT
R8175
4.7M
R8105
10K
R
8
1
0
0
4
7
K
R8187
22
MODEL1_OPT_1
+3.5V_ST
R8140
47K
OPT
C8107
1uF
R8191
22
OPT
R8118
22
KEY2
R8121
10K
PWM_LED
NEC_EEPROM_SCL
OCD1B
FLMD0
R8120
10K
LOGO_BUZZ
R8130
22
NEC_ISP_Rx
MODEL1_OPT_3
NEC_ISP_Tx
EDID_WP
R8102
100
R8129
22
R8196
22
+3.5V_ST
POWER_DET
NEC_ISP_Rx
R8131
22
R8122
4.7K
OCD1B
R8119
22
R
8
1
7
9
2
2
MODEL1_OPT_0
R8107
10K
R8109
10K
PDP/3D
LED_R/BUZZ
MODEL1_OPT_2
R8193
22
R8136
22
NON_M-REMOTE
X8100
10MHz
R8138
0
GND
GND
SDA1_3.3V
SCL1_3.3V
MICOM_DOWNLOAD
R8146
0
R8101
100
OPT
FLASH_WP
MICOM_DOWNLOAD
C8101
15pF
50V
C8102
15pF
50V
C8108
0.1uF
R8117
22
R8114
22
IC8100
M24C16-WMN6T
3
NC/E2
2
NC/E1
4
VSS
1
NC/E0
5
SDA
6
SCL
7
WC
8
VCC
PANEL_CTL
R8103
100
R8197
22
OPT
R8198
22
R8199
22
POWER_CTRL_24V
X8101
32.768KHz
X8101-*1
32.768KHz
MICOM_EPSON
C
8
1
0
5
1
5
p
F
C8106
15pF
P8100
12507WR-12L
1
2
3
4
5
6
7
8
9
10
11
12
13
SCART1_MUTE
IC8101
UPD78F0513AGA-GAM-AX
DEV
1
P60/SCL0
2
P61/SDA0
3
P62/EXSCL0
4
P63
5
P33/TI51/TO51/INTP4
6
P75
7
P74
8
P73/KR3
9
P72/KR2
10
P71/KR1
11
P70/KR0
12
P32/INTP3/OCD1B
13
P31/INTP2/OCD1A
14
P30/INTP1
15
P17/TI50/TO50
16
P16/TOH1/INTP5
17
P15/TOH0
18
P14/RXD6
19
P13/TXD6
20
P12/SO10
21
P11/SL10/RXD0
22
P10/SCK10/TXD0
23
AVREF
24
AVSS
25
ANI7/P27
26
ANI6/P26
27
ANI5/P25
28
ANI4/P24
29
ANI3/P23
30
ANI2/P22
31
ANI1/P21
32
P20/ANI0
33
P130
34
P01/TI010/TO00
35
P00/TI000
36
P140/PCL/INTP6
37
P120/INTP0/EXLVI
38
P41
39
P40
40
RESET
41
P124/XT2/EXCLKS
42
P123/XT1
43
FLMD0
44
P122/X2/EXCLK/OCD0B
45
P121/X1/OCD0A
46
REGC
47
VSS
48
VDD
5
0
0
MODEL_OPT_3
1
0
31
LOW_SMALL
1
1
LOGO_BUZZ
LCD/PDP
MODEL OPTION
0
1
PWM_LED
HIGH
PIN NAME
MODEL_OPT_0
OLED
MICOM MODEL OPTION
TBD
8
MODEL_OPT_3
PIN NO.
30
11
1
MODEL_OPT_0
1
TOUCH_KEY
0
3D
LCD/OLED
MODEL_OPT_2
LOW
OLED/3D
MODEL_OPT_2
EEPROM for Micom
0
1
MODEL_OPT_1
0
for Debugger
TACT_KEY
MODEL_OPT_1
LOW
PDP/3D
1
0
PDP
LCD
HIGH
MICOM
GP2_Saturn7M
Ver. 1.4
10Mhz Crystal Ready
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.
C8215
0.1uF
16V
OPT
R8280
10K
OPT
C8209
1000pF
50V
L8200
BLM18PG121SN1D
LED_B/LG_LOGO
R8213
10K
1%
C8207
0.1uF
LED_R/BUZZ
C8210
0.1uF
16V
R8224
100
R8209
100
L8201
BLM18PG121SN1D
D8205
5.6V
CDS3C05HDMI1
C8206
0.1uF
C8212
100pF
50V
R8225
100
D8201
5.6V
AMOTECH
C8214
1000pF
50V
OPT
L8203
BLM18PG121SN1D
R8210
100
R8226
100
KEY2
D8204
5.6V
CDS3C05HDMI1
C8213
1000pF
50V
OPT
C8208
0.1uF
16V
R8227
1.5K
+3.5V_ST
D8200
5.6V
AMOTECH
C8211
1000pF
50V
D8206
5.6V
AMOTECH
R8276
1.5K
KEY1
+3.5V_ST
R8211
10K
1%
+3.3V_NORMAL
L8202
BLM18PG121SN1D
NEC_EEPROM_SCL
NEC_EEPROM_SDA
BCM_RX
+3.5V_ST
+3.5V_ST
R8223
4.7K
OPT
R8272 0
R8274 0
C8201
0.1uF
C8202
0.1uF
C8204
0.1uF
R8275 0
R8222
4.7K
OPT
C8200
0.33uF
R8273 0
R8277
100
C8205
0.1uF
C8203
0.1uF
NEC_RXD
D8203
30V
CDS3C30GTH
D8202
30V
CDS3C30GTH
IC8200
MAX3232CDR
EAN41348201
3
C1-
2
V+
4
C2+
1
C1+
6
V-
5
C2-
7
DOUT2
8
RIN2
9
ROUT2
10
DIN2
11
DIN1
12
ROUT1
13
RIN1
14
DOUT1
15
GND
16
VCC
R8278
100
BCM_TX
NEC_TXD
232C_TXD
232C_RXD
A2.5V
D8212
5.6V
D8208
5.6V
D8209
5.6V
EPHY_RDP
EPHY_LINK
R8208
0
C8216
1000pF
50V
D8207
5.6V
EPHY_ACTIVITY
L8204
CIC21J501NE
EPHY_TDN
R8281
510
EPHY_TDP
D8211
5.6V
R8207
0
C8217
1000pF
D8210
5.6V
EPHY_RDN
P9702
P65-P01-11K9
1
2
3
4
5
6
7
8
9
10
11
12
13
D3.3V
R8282
510
R8284
0
R8285
0
R8286
0
R8283
0
C8845
10pF
OPT
C8846
10pF
OPT
C8847
10pF
OPT
C8848
10pF
OPT
P8200
12507WS-12L
1
2
3
4
5
6
7
8
9
10
11
12
13
R8202
47K
+3.5V_ST
R8201
0
OPT
R8200
22
IR
Q8201
2SC3052
E
B
C
R8205
47K
Q8200
2SC3052
E
B
C
R8204
47K
+3.5V_ST
R8206
3.3K
OPT
+3.5V_ST
R8203
10K
R8214
47K
COMMERCIAL_EU
R8218
47K
COMMERCIAL
Q8204
2SC3052
COMMERCIAL
E
B
C
IR_OUT
+3.5V_ST
Q8202
2SC3052
COMMERCIAL_EU
E
B
C
R8220
47K
COMMERCIAL
R8217
22
COMMERCIAL
+3.5V_ST
R8216
10K
COMMERCIAL_EU
R8212
0
COMMERCIAL_US
IR_OUT
Zener Diode is
close to wafer
IR & KEY
RS232C
Trace impedance : 100 ohm differenctial impedance to GND plane
Adjacent TX/RX differential pairs should be separated by more than 
15 mils to each other
ETHERNET CONNECT
5 mils trace width with 7 mils air gap on P/N pair.
COMMERCIAL
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.
09/10/xx
HDMI
COMMON
83    100
CK-_HDMI3
D2-_HDMI1
R8338
22
GND
+5V_NORMAL
C8300
0.1uF
+5V_NORMAL
HDMI_RX1+
DDC_SDA_1
5V_HPD1
R8326
22K
D1+_HDMI2
5V_HDMI_3
+3.3V_HDMI
GND
HDMI_HPD_1
R8325
1.8K
HDMI_CEC
D0+_HDMI3
CEC_REMOTE
DDC_SDA_1
C8305
0.1uF
R8348
4.7K
OPT
D2+_HDMI1
Q8304
KRC104S
E
B
C
R8340
22
C8318
0.1uF
16V
R8310
4.7K
HDMI_CLK-
+3.3V_NORMAL
R8301
1K
CK+_HDMI1
GND
D8306
A1
C
A2
HDMI_CLK+
D1-_HDMI2
GND
R8309
4.7K
HDMI_RX1-
D1+_HDMI1
C8309
0.1uF
R8306
0
GND
HDMI_HPD_2
C8322
0.1uF
D0+_HDMI2
DDC_SCL_3
R8304
0
+5V_NORMAL
R8313
47K
R8336
0
SCL2_3.3V
D8303
5.5V
OPT
DDC_SDA_2
DDC_SCL_2
GND
Q8300
KRC104S
E
B
C
+5V_NORMAL
D8300
5.5V
OPT
D2-_HDMI2
HDMI_SDA
HDMI_HPD_3
CK+_HDMI3
DDC_SDA_1
CK-_HDMI2
BSS83
Q8308
S
B
D
G
R8324
1.8K
R8346
0
OPT
JP8303
R8344
12K
Q8302
KRC104S
E
B
C
5V_HDMI_2
GND
D8302
5.5V
OPT
GND
C8307
0.1uF
Q8305
KRC104S
E
B
C
DDC_SDA_3
Q8303
KRC104S
E
B
C
DDC_SCL_2
5V_HPD2
D0-_HDMI1
HDMI_RX2+
5V_HPD2
+1.8V_HDMI
C8324
0.1uF
C8321
0.1uF
D1+_HDMI3
R8312
47K
R8305
0
R8343
OPT
0
JP8304
D0-_HDMI3
Q8301
KRC104S
E
B
C
+3.3V_HDMI
D8305
5.5V
OPT
HDMI_RX0+
C8303
0.1uF
16V
DDC_SCL_1
5V_HDMI_1
5V_HDMI_3
D2+_HDMI3
CK+_HDMI3
5V_HDMI_1
+3.3V_HDMI
R8319
47K
C8316
0.1uF
16V
R8314
47K
HDMI_HPD_3
DDC_SCL_3
D8309
A1
C
A2
C8302
0.1uF
16V
5V_HPD3
+3.5V_ST
HDMI_SCL
R8347
4.7K
OPT
5V_HDMI_3
JP8302
D2-_HDMI3
C8320
0.1uF
D1-_HDMI3
R8302
1K
R8303
0
5V_HDMI_2
D1-_HDMI3
R8311
4.7K
R8327
0
D0+_HDMI1
HDMI_RX0-
DDC_SDA_2
D8301
5.5V
OPT
DDC_SDA_2
CK-_HDMI1
D8307
A1
C
A2
+5V_NORMAL
CK+_HDMI2
D0-_HDMI3
C8304
0.1uF
16V
R8322
47K
CEC_REMOTE
C8313
0.1uF
16V
D8312
MMBD301LT1G
R8337
0
GND
R8307
0
HDMI_HPD_1
D8304
5.5V
OPT
HDMI_HPD_2
GND
SDA2_3.3V
DDC_SDA_3
5V_HPD1
R8300
1K
5V_HDMI_2
5V_HDMI_1
R8315
47K
D2-_HDMI3
D1-_HDMI1
C8317
0.1uF
16V
D1+_HDMI3
+1.8V_HDMI
C8306
0.1uF
16V
5V_HPD3
D2+_HDMI2
C8301
0.1uF
16V
DDC_SCL_1
D0+_HDMI3
DDC_SDA_3
JP8300
C8323
0.1uF
16V
L8300
BLM18PG121SN1D
D2+_HDMI3
C8319
0.1uF
D0-_HDMI2
C8308
0.1uF
DDC_SCL_3
JP8301
HDMI_RX2-
DDC_SCL_2
CK-_HDMI3
R8335 0
OPT
R8345
0
OPT
R8328
0
OPT
C8314
0.1uF
16V
C8315
0.1uF
C8310
0.1uF
C8311
0.1uF
IC8300
TDA19997
DEV
EAN60992401
1
VSS_1
2
OUT_C+
3
OUT_C-
4
VDDO[3V3]
5
OUT_DDC_CLK
6
OUT_DDC_DAT
7
VSS_2
8
VDDDC[1V8]_1
9
RXA_HPD
10
RXA_5V
11
RXA_DDC_DAT
12
RXA_DDC_CLK
13
RXA_C-
14
RXA_C+
15
VDDH[3V3]_1
16
RXA_D0-
17
RXA_D0+
18
VSS_3
19
RXA_D1-
20
RXA_D1+
21
VDDH[3V3]_2
22
RXA_D2-
23
RXA_D2+
24
VDDH[1V8]_1
25
AUX_5V
26
VSS_4
27
TEST1
28
RXB_HPD
29
RXB_5V
30
RXB_DDC_DAT
31
RXB_DDC_CLK
32
RXB_C-
33
RXB_C+
34
VDDH[3V3]_3
35
RXB_D0-
36
RXB_D0+
37
VSS_5
38
RXB_D1-
39
RXB_D1+
40
VDDH[3V3]_4
41
RXB_D2-
42
RXB_D2+
43
VSS_6
44
CDEC_DDC
45
VDDDC[1V8]_2
46
VDDDC[1V8]_4
47
TEST2
48
PD
49
I2C_SDA
50
I2C_SCL
51
RXE_DDC_CLK
52
RXE_DDC_DAT
53
INT_N/MUTE
54
CDEC_STBY
55
VDDS[3V3]
56
VSS_7
57
CEC
58
RXC_HPD
59
RXC_5V
60
RXC_DDC_DAT
61
RXC_DDC_CLK
62
RXC_C-
63
RXC_C+
64
VDDH[3V3]_5
65
RXC_D0-
66
RXC_D0+
67
VSS_8
68
RXC_D1-
69
RXC_D1+
70
VDDH[3V3]_6
71
RXC_D2-
72
RXC_D2+
73
VSS_9
74
R12K
75
VDDH[1V8]_2
76
RXD_HPD
77
RXD_5V
78
RXD_DDC_DAT
79
RXD_DDC_CLK
80
RXD_C-
81
RXD_C+
82
VDDH[3V3]_7
83
RXD_D0-
84
RXD_D0+
85
VSS_10
86
RXD_D1-
87
RXD_D1+
88
VDDH[3V3]_8
89
RXD_D2-
90
RXD_D2+
91
VDDDC[1V8]_3
92
VSS_11
93
OUT_D2+
94
OUT_D2-
95
VDDO[1V8]
96
OUT_D1+
97
OUT_D1-
98
VSS_12
99
OUT_D0+
100
OUT_D0-
R8334
33
R8333
33
R8329
33
R8332
33
R8330
33
R8331
33
JK8300
SPG08-HU-001
14
NC
13
CEC
5
DATA1_SHIELD
12
CLK-
11
CLK_SHIELD
2
DATA2_SHIELD
19
HPD
18
+5V_POWER
10
CLK+
4
DATA1+
1
DATA2+
17
DDC/CEC_GND
9
DATA0-
8
DATA0_SHIELD
3
DATA2-
16
SDA
7
DATA0+
6
DATA1-
15
SCL
20
JACK_GND
U1
U1
U2
U2
U3
U3
U4
U4
DDC_SCL_1
R8308
0
JP8305
D2+_HDMI2
D1+_HDMI2
D0+_HDMI2
CK+_HDMI2
CEC_REMOTE
CK-_HDMI2
D2-_HDMI2
D0-_HDMI2
D1-_HDMI2
GND
JK8302
SPG08-HU-001
14
NC
13
CEC
5
DATA1_SHIELD
12
CLK-
11
CLK_SHIELD
2
DATA2_SHIELD
19
HPD
18
+5V_POWER
10
CLK+
4
DATA1+
1
DATA2+
17
DDC/CEC_GND
9
DATA0-
8
DATA0_SHIELD
3
DATA2-
16
SDA
7
DATA0+
6
DATA1-
15
SCL
20
JACK_GND
U1
U1
U2
U2
U3
U3
U4
U4
D2+_HDMI1
D1+_HDMI1
D0+_HDMI1
D1-_HDMI1
CEC_REMOTE
CK-_HDMI1
CK+_HDMI1
D2-_HDMI1
D0-_HDMI1
GND
USB_PWRFLT2
10:D4
R8318
4.7K
OPT
L8301
MLB-201209-0120P-N2
120-ohm
R8320
2.7K
USB_PWRFLT1
10:D4
C8329
10uF
10V
USB_PWRON1
10:D4
C8327
0.1uF
R8339
2.7K
L8302
MLB-201209-0120P-N2
120-ohm
R8321
0
+5V_USB
D8314
5.6V
D8313
5.6V
USB_PWRON2
10:D4
C8326
10uF
10V
C8325
100uF
16V
R8317
0
+3.3V_NORMAL
+3.3V_NORMAL
C8328
100uF
16V
+5V_USB
C8330
0.1uF
R8323
4.7K
OPT
IC8302
AP2191SG-13
DEV
EAN60921001
3
IN_2
2
IN_1
4
EN
1
GND
5
FLG
6
OUT_1
7
OUT_2
8
NC
IC8301
AP2191SG-13
DEV
EAN60921001
3
IN_2
2
IN_1
4
EN
1
GND
5
FLG
6
OUT_1
7
OUT_2
8
NC
USB_5V_POWER1
USB_5V_POWER1
USB_DM1
10:D4
USB_DP1
10:D4
D8315
5.6V
USB_DP2
10:D4
USB_DM2
10:D4
USB_5V_POWER2
D8316
5.6V
USB_5V_POWER2
R8316
100K
JK8301
YKF45-7060V
EAG39323102
HDMI_3_JALCO
14
NC
13
CE_REMOTE
5
D1_GND
20
BODY_SHIELD
12
CK-
11
CK_GND
2
D2_GND
19
HP_DET
18
5V
10
CK+
4
D1+
1
D2+
17
GND
9
D0-
8
D0_GND
3
D2-
16
DDC_DATA
7
D0+
6
D1-
15
DDC_CLK
* HDMI CEC
EDID Pull-up
UI_HW_PORT3
UI_HW_PORT1
HDMI2
Ready for TDA19997
HDMI3
HDMI1
UI_HW_PORT2
Place close 
to  TDA9996
HDMI/USB COMBO JACK
HDMI/USB COMBO JACK
CHANGE USB_PWRFLT PULL-UP FROM 5V TO 3.3V
USB2
USB1 (DVR Ready)
Page of 88
Display

Click on the first or last page to see other 55LEX8-SA (CHASSIS:LJ03S) service manuals if exist.

RANDOM: