DOWNLOAD LG 55LM6700 / 55LM6710 / 55LM671Y (CHASSIS:LB22E) Service Manual ↓ Size: 8.69 MB | Pages: 79 in PDF or view online for FREE

Model
55LM6700 55LM6710 55LM671Y (CHASSIS:LB22E)
Pages
79
Size
8.69 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / LCD
File
55lm6700-55lm6710-55lm671y-chassis-lb22e.pdf
Date

LG 55LM6700 / 55LM6710 / 55LM671Y (CHASSIS:LB22E) Service Manual ▷ View online

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.
R3700
10K
HP_OUT
HP_LOUT
+3.3V_NORMAL
JK3700
KJA-PH-0-0177
EAG61030001
HP_OUT
3
DETECT
4
L
5
GND
1
R
HP_DET
HP_ROUT
VA3700
5.6V
OPT
VA3700-*1
5.6V
ESD_MTK_HP_OUT
VA3700-*2
5.6V
ESD_LG1152_HP_OUT
37
JACK_COMMON
2011.11.21
ESD for LG1152
ESD for MTK
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.
AV1_R_IN
C3802
0.1uF
RS232
C3803
0.1uF
RS232
COMP1_Pr
+3.5V_ST
AV1_L_IN
+3.3V_NORMAL
AV1_CVBS_DET
IR_OUT
R3814
4.7K
OPT
C3801
0.1uF
RS232
COMP1_DET
JK3803
SPG09-DB-009
RS232
1
2
3
4
5
6
7
8
9
10
JK3800
KJA-PH-1-0177
AV_JACK_BLACK
3
M3_DETECT
4
M4
5
M5_GND
1
M1
6
M6
IC3800
MAX3232CDR
EAN41348201
RS232
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
R3811
4.7K
OPT
COMP1_Pb
C3800
0.1uF
RS232
JK3801
KJA-PH-1-0177
COMP_JACK_BLACK
3
M3_DETECT
4
M4
5
M5_GND
1
M1
6
M6
AV1_CVBS_IN
COMP1_Y
R3821
100
RS232
+3.3V_NORMAL
R3820
100
RS232
+3.5V_ST
12V_COMMERCIAL_OUT
12V_COMMERCIAL_OUT
+3.5V_ST
R3834
10K
OPT_RS232
SOC_RX
+3.5V_ST
SOC_TX
P3800
12507WS-04L
UART_4PIN_STRAIGHT
1
2
3
4
5
R3810
10K
R3806
10K
D3803
5.6V
OPT
D3800
5.6V
OPT
D3804
20V
OPT
D3805
20V
OPT
D3801
5.6V
OPT
D3802
5.6V
OPT
D3801-*1
5.6V
ESD_MTK
D3802-*1
5.6V
ESD_MTK
D3800-*1
5.6V
ESD_MTK
D3803-*1
5.6V
ESD_MTK
D3803-*2
5.6V
ESD_LG1152
D3801-*2
5.6V
ESD_LG1152
D3802-*2
5.6V
ESD_LG1152
D3800-*2
5.6V
ESD_LG1152
JK3801-*1
KJA-PH-1-0177-2
COMP_JACK_GREEN
3
M3_DETECT
4
M4
5
M5_GND
1
M1
6
M6
JK3800-*1
KJA-PH-1-0177-1 
AV_JACK_YELLOW
3
M3_DETECT
4
M4
5
M5_GND
1
M1
6
M6
P3801
12507WR-04L
UART_4PIN_ANGLE
1
2
3
4
5
RS232C
CVBS 1 PHONE JACK
COMPONENT 1 PHONE JACK
38
JACK_COMMON
2011.11.21
12V 1A FOR COMMERCIAL(RS-232C POWER)
FOR COMMERCIAL
ESD For MTK
ESD For LG1152
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.
IR
R4118
10K
5%
L4100
BLM18PG121SN1D
C4102
0.1uF
LED_B/GP4_LED_R
+3.5V_ST
+3.5V_ST
R4105
22
COMMERCIAL_IR
C4107
100pF
50V
IR_OUT
+3.5V_ST
R4117
10K
5%
C4100
0.1uF
R4102
10K
COMMERCIAL_IR
R4108
0
COMMERCIAL_IR_US
R4113
100
KEY1
KEY2
R4123
100
EEPROM_SCL
R4124
100
R4119
47K
COMMERCIAL_IR
R4111
10K
COMMERCIAL_IR_EU
R4114
100
+3.5V_ST
+3.5V_ST
C4104
1000pF
50V
+3.5V_ST
+3.5V_ST
EEPROM_SDA
R4104
47K
COMMERCIAL_IR
R4100
0
IR_BYPASS
R4125
1.5K
Q4100
MMBT3904(NXP)
COMMERCIAL_IR
E
B
C
Q4101
MMBT3904(NXP)
COMMERCIAL_IR
E
B
C
Q4102
MMBT3904(NXP)
COMMERCIAL_IR_EU
E
B
C
Q4104
MMBT3904(NXP)
COMMERCIAL_IR
E
B
C
R4101
1K
COMMERCIAL_IR
R4109
1K
COMMERCIAL_IR_EU
R4115
3.3K
COMMERCIAL_IR
R4103
3.3K
COMMERCIAL_IR
R4107
10K
IR_BYPASS
P4102
12507WR-10L
GP4_IR_10P
1
2
3
4
5
6
7
8
9
10
11
D4106
20V
ADUC 20S 02 010L 
OPT
D4105
20V
ADUC 20S 02 010L 
OPT
D4101
5.6V
AMOTECH CO., LTD.
OPT
D4100
5.6V
AMOTECH CO., LTD.
OPT
D4104
5.6V
AMOTECH CO., LTD.
OPT
D4106-*1
20V
ADUC 20S 02 010L 
ESD_MTK
10pF
D4105-*1
20V
ADUC 20S 02 010L 
ESD_MTK
10pF
D4100-*1
5.6V
ESD_MTK
ADMC 5M 02 200L 
200pF
D4101-*1
5.6V
ESD_MTK
ADMC 5M 02 200L 
200pF
D4104-*1
5.6V
ESD_MTK
ADMC 5M 02 200L 
200pF
D4104-*2
5.6V
ESD_LG1152
ADMC 5M 02 200L 
200pF
D4101-*2
5.6V
ESD_LG1152
ADMC 5M 02 200L 
200pF
D4100-*2
5.6V
ESD_LG1152
ADMC 5M 02 200L 
200pF
IR & KEY
RGB Sensor
COMMERCIAL
Zener Diode is
Soft Touch Micom D/L
close to wafer
41
IR / KEY
2011.11.21
COMMERCIAL
ESD for LG1152
ESD for MTK
U
S
B
 
D
O
W
N
 
S
T
R
E
A
M
U
S
B
 
D
O
W
N
 
S
T
R
E
A
M
U
S
B
 
D
O
W
N
 
S
T
R
E
A
M
THERMAL
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.
USB_DM1
USB_DP2
USB_DP1
USB_DM2
C4339
10uF
10V
WIFI
USB_DM3
C4333
22uF
10V
WIFI_DP
C4327
0.1uF
16V
+5V_USB
R4339
2K
1%
WIFI_DM
R4330
0
USB_DP3
C4334
4700pF
50V
D4304
40V
SMAB34
C4322
10uF
10V
D4303
RCLAMP0502BA
OPT
C4328
0.01uF
50V
C4336
0.1uF
16V
+5V_USB_3
USB_CTL2
C4324
10uF
35V
P4301
12507WR-04L
WIFI
1
VDD
2
DM
3
DP
4
GND
5
.
C4320
0.1uF
16V
WIFI
C4321
10uF
10V
WIFI
R4329
330K
OPT
R4328
10K
JK4303
3AU04S-305-ZC-(LG)
1
2
3
4
5
C4310
10uF
10V
JK4302
3AU04S-305-ZC-(LG)
1
2
3
4
5
C4329
0.1uF
16V
L4302
BLM18PG121SN1D
WIFI 120-ohm
C4319
0.1uF
16V
WIFI
C4326
0.1uF
50V
POWER_ON/OFF2_4
D4302
RCLAMP0502BA
OPT
+24V
/USB_OCD2
C4332
47pF
50V
IC4305
TPS54331D
3
EN
2
VIN
4
SS/TR
1
BOOT
5
VSENSE
6
COMP
7
GND
8
PH
JK4300
3AU04S-305-ZC-(LG)
1
2
3
4
5
R4327
10K
OPT
R4323
10K
USB_CTL1
L4308
6.8uH
R4336
20K
C4338
1000pF
50V
OPT
L4305
BLM18PG121SN1D
D4300
RCLAMP0502BA
OPT
/USB_OCD1
C4323
10uF
10V
+5V_USB_2
+5V_USB_3
+5V_USB_2
C4337
22uF
10V
+5V_USB
+3.3V_NORMAL
/USB_OCD3
C4301
22uF
10V
R4332
10K
POWER_ON/OFF2_4
C4331
0.1uF
16V
+12V
L4307
3.6uH
C4341
4.7uF
10V
R4342
10K
5%
L4306
BLM18PG121SN1D
USB_CTL3
C4325
10uF
16V
C4342
100pF
50V
USB_DCDC_SN1104041
IC4306-*1
BD86180MUV
DEV_USB_DCDC_BD86180
3
SS
2
COMP
4
RT
1
EN
6
CTL1
5
CTL2
7
FLG2
8
FLG1
9
USB_OUT2
10
GND_1
11
GND_2
12
USB_OUT1
13
USB_IN_1
14
USB_IN_2
15
USB_IN_3
16
SW_1
17
SW_2
18
BST
19
PGND_1
20
PGND_2
21
VIN_1
22
VIN_2
23
GND_3
24
VREG
25
[EP]GND
C4340
4700pF
50V
USB_DCDC_SN1104041
C4340-*1
0.01uF
50V
USB_DCDC_BD86180
IC4303
TPS2554
3
IN_2
2
IN_1
4
ILIM_SEL
1
GND
5
EN
6
ILIM1
7
ILIM0
8
OUT_1
9
OUT_2
10
FAULT
11
[EP]
+3.3V_NORMAL
R4301
10K
R4302
10K
R4303
10K
OPT
R4304
10K
OPT
IC4306
USB_DCDC_SN1104041
SN1104041, DC-DC+2CH USB SW 
3
SS
2
COMP
4
ROSC
1
EN
6
EN_SW1
5
EN_SW2
7
NFAULT2
8
NFAULT1
9
SW_OUT2
10
AGND_1
11
AGND_2
12
SW_OUT1
13
SW_IN_1
14
SW_IN_2
15
SW_IN_3
16
LX_1
17
LX_2
18
BST
19
PGND_1
20
PGND_2
21
VIN_1
22
VIN_2
23
AGND_3
24
V7V
25
[EP]GND
C4300
0.1uF
16V
R4343
820
1%
R4300
27K
1/10W
R4341
27K
1/10W
OPT
R4338
10K
1%
D4300-*2
RCLAMP0502BA
ESD_LG1152
D4304-*1
40V
SX34
D4302-*1
RCLAMP0502BA
ESD_LG1152
D4303-*3
RCLAMP0502BA
ESD_LG1152
43
USB3_HUB_WiFi
2011.10.26
MAX 0.4A
From SoC
USB3
USB2
USB_WIFI
MAX 2A
Vout=0.8*(1+R1/R2)
MAX 1.5A
R1
DVR Ready
MAX 1.5A
3A
+5V_USB FOR USB1
MAX 1.8A
R2
USB1
For EMI
ESD for LG1152
ESD for MTK
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