LG 32LT777H (CHASSIS:LA2FZ) Service Manual ▷ View online
THERMAL
USB DOWN STREAM
THERMAL
THERMAL
USB DOWN STREAM
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.
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_DP1
C4339
10uF
10V
WIFI
WIFI_DP
WIFI_DM
D4303
RCLAMP0502BA
USB_DIODE
P4301
12507WR-04L
WIFI
1
VDD
2
DM
3
DP
4
GND
5
.
C4320
0.1uF
16V
0.1uF
16V
WIFI
C4321
10uF
10V
WIFI
L4302
BLM18PG121SN1D
WIFI
C4319
0.1uF
16V
0.1uF
16V
WIFI
R4327
10K
OPT
OPT
R4323
10K
USB_CTL1
/USB_OCD1
C4323
10uF
10V
R4341
27K
1/10W
OPT
R4300
27K
1/10W
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
+5V_USB
D4300
RCLAMP0502BA
OPT
R4302
33
M_REMOTE_DEV
R4303
33
M_REMOTE_DEV
USB2SER_DP
USB2SER_DM
C4318
22pF
M_REMOTE
C4317
22pF
M_REMOTE
R4301
1.5K
M_REMOTE
+3.3V_NORMAL
L4301
BLM18PG121SN1D
M_REMOTE
R4304
10K
M_REMOTE
R4305
1M
1%
OPT
X4300
12MHz
M_REMOTE
C4316
20pF
M_REMOTE
M_REMOTE_TX
M_REMOTE_RX
C4315
20pF
M_REMOTE
R4308
100K
1%
OPT
R4307
91K
1%
OPT
R4306
10K
M_REMOTE
+3.3V_USB2SER
R4309
15K
M_REMOTE
C4314
1uF
M_REMOTE
+3.3V_USB2SER
+3.3V_USB2SER
+3.3V_USB2SER
+3.3V_USB2SER
/USB2SER_RESET
C4309
0.1uF
16V
0.1uF
16V
M_REMOTE
C4313
0.1uF
16V
0.1uF
16V
M_REMOTE
R4310
10K
M_REMOTE
C4312
0.1uF
16V
M_REMOTE
0.1uF
16V
M_REMOTE
C4310
0.01uF
25V
0.01uF
25V
M_REMOTE
C4311
0.1uF
16V
0.1uF
16V
M_REMOTE
JK4303
3AU04S-345-ZC-H-LG
1
2
3
4
5
R4329
10K
C4328
0.1uF
0.1uF
C4327
1uF
10V
10V
C4333
22uF
10V
22uF
10V
C4326
0.1uF
50V
0.1uF
50V
C4334
22uF
10V
10V
C4329
3300pF
50V
R4328
100K
L4305
BLM18PG121SN1D
C4332
22pF
50V
22pF
50V
R4344
10K
IC4305
TPS54425PWPR
3
VREG5
2
VFB
4
SS
1
VO
6
PG
5
GND
7
EN
8
PGND1
9
PGND2
10
SW1
11
SW2
12
VBST
13
VIN1
14
VIN2
15
[EP]PGND
POWER_ON/OFF2_4
C4324
10uF
16V
16V
+12V
+3.5V_ST
L4308
2uH
+5V_USB
+5V_USB
USB_CTL2
IC4306
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]
R4313
27K
1/10W
OPT
USB_DM2
+3.3V_NORMAL
D4304
RCLAMP0502BA
USB_DIODE
/USB_OCD2
R4311
10K
OPT
OPT
R4314
27K
1/10W
USB_DP2
C4340
10uF
10V
R4312
10K
JK4304
3AU04S-345-ZC-H-LG
1
2
3
4
5
+5V_USB
+5V_USB
R4330
120K
120K
1%
R4331
22K
22K
1%
IC4304
TUSB3410RHBR
M_REMOTE
1
VREGEN
3
VCC_1
7
DM
9
RESET
10
SDA
11
SCL
12
WAKEUP
13
CTS
14
DSR
15
DCD
16
RI/CP
17
SIN/IR_SIN
18
GND_2
19
SOUT/IR_SOUT
20
RTS
21
DTR
22
CLKOUT
23
TEST0
24
TEST1
25
VCC_2
26
X2
27
X1/CLKI
28
GND_3
29
P3.4
30
P3.3
31
P3.1
32
P3.0
5
PUR
8
GND_1
6
DP
4
VDD18
2
SUSPEND
33
[EP]
43
USB3_HUB_WiFi
2011.09.29
MAX 0.4A
USB_WIFI
DVR Ready
+5V_USB FOR USB
MAX 1.8A
USB2
For EMI
To SOC
To SOC
xxLT760H-UA
USB To SERIAL I/F
R1
R2
4A
Vout=(0.763+0.0017*Vout.set)*(1+R1/R2)=4.98V
DVR Ready
MAX 1.8A
USB1
To SOC
(HUB)
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.
M_RFModule_ISP
M_REMOTE_RX
M_REMOTE_TX
+3.3V_NORMAL
L4800
120-ohm
M_REMOTE
M_RFModule_RESET
C4800
0.1uF
P4800
12507WR-08L
M_REMOTE
1
3.3V
2
GND
3
RX
4
TX
5
RESET
6
DC
7
DD
8
GND
9
AR4800
100
1/16W
100
1/16W
M_REMOTE
3D_SYNC_RF
3D_SYNC_RF
M_REMOTE_TX
M_REMOTE_RX
ZigBee_Radio Pulse M_REMOTE OPTION
ALL M_REMOTE OPTION
48
MOTION REMOTE
2011.06.04
Only For PDP
xxLT760H-UA
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.
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.
D5402
100V
1N4148W
OPT
R5402
100
0.1uF
C5421
50V
R5411
12
C5434
0.47uF
50V
C5408
33pF
50V
33pF
50V
R5407
12
C5403
1000pF
50V
R5405
100
R5406
3.3
3.3
OPT
R5413
12
R5403
100
R5414
12
0.1uF
C5419
50V
C5427
1uF
25V
1uF
25V
C5425
22000pF
22000pF
50V
C5416
22000pF
50V
C5422
10uF
35V
10uF
35V
0.1uF
C5436
50V
+3.3V_NORMAL
C5426
22000pF
50V
22000pF
50V
L5402
NRS6045T100MMGK
10.0uH
R5412
12
C5423
10uF
35V
0.1uF
C5400
50V
C5432
390pF
50V
0.1uF
C5437
50V
0.1uF
C5418
50V
R5409
12
0.1uF
C5401
50V
SPK_L-
C5402
100pF
50V
C5406
33pF
50V
33pF
50V
C5405
10uF
10V
D5400
100V
1N4148W
OPT
C5404
1000pF
50V
C5430
390pF
50V
C5429
390pF
50V
L5405
NRS6045T100MMGK
10.0uH
SPK_R-
+24V_AMP
L5403
NRS6045T100MMGK
10.0uH
C5411
0.1uF
16V
AUD_MASTER_CLK
0.1uF
C5438
50V
SPK_R-
AUD_SCK
D5401
100V
1N4148W
OPT
R5404
3.3K
AUD_LRCK
C5415
1000pF
50V
R5401
10K
I2C_SDA1
0.1uF
C5413
16V
AUD_LRCH
L5401
BLM18PG121SN1D
+24V_AMP
SPK_R+
C5431
390pF
50V
+24V_AMP
D5403
100V
1N4148W
OPT
C5414
10uF
10V
10uF
10V
OPT
R5408
12
C5433
1uF
25V
1uF
25V
L5404
NRS6045T100MMGK
10.0uH
SPK_L-
C5435
0.47uF
50V
C5428
1uF
25V
25V
I2C_SCL1
C5409
10uF
10V
SPK_L+
P5400
WAFER-ANGLE
1
2
3
4
AMP_MUTE
0.1uF
C5439
50V
C5417
22000pF
50V
R5400
10K
R5410
12
SPK_R+
0.1uF
C5412
16V
+24V
C5410
10uF
10uF
10V
OPT
0.1uF
C5420
50V
SPK_L+
C5424
0.01uF
50V
0.01uF
50V
OPT
L5400
CIS21J121
SS_OLD
Q5400
MMBT3904(NXP)
E
B
C
4.7uF
C5407
10V
R5418
5.1K
R5415
5.1K
R5416
5.1K
R5417
5.1K
AMP_RESET_SOC
R5421
33
R5422
10K
10K
IC5400
NTP-7500L
1
AGND_PLL
2
AVDD_PLL
3
DVDD_PLL
4
LF
5
DGND_PLL
6
GND_1
7
DGND
8
DVDD
9
SDATA
10
WCK
11
BCK
12
SDA
13
SCL
14
/FAULT
15
MONITOR0
16
MONITOR1
17
MONITOR2
18
BST2B
19
PGND2B
20
OUT2B_1
21
OUT2B_2
22
PVDD2_1
23
PVDD2_2
24
PVDD2_3
25
OUT2A_1
26
OUT2A_2
27
PGND2A
28
BST2A
29
VDR2
30
AGND
31
VCC_5
32
VDR1
33
BST1B
34
PGND1B
35
OUT1B_1
36
OUT1B_2
37
PVDD1_1
38
PVDD1_2
39
PVDD1_3
40
OUT1A_1
41
OUT1A_2
42
PGND1A
43
BST1A
44
/RESET
45
AD
46
GND_IO
47
CLK_I
48
VDD_IO
49
[EP]
+3.5V_ST
L5400-*2
MLB-201209-0120P-N2
MAG_NEW
L5400-*1
UBW2012-121F
SHENCHEN_NEW
SPEAKER_R
DUAL COMPONENT
Q1801
0x54
SPEAKER_L
1ST : 0TRIY80001A 2ND : 0TR387500AA
54
AMP_NEO
2011.04.30
From SOC
xxLT760H-UA
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.
TXACLKN
C7102
0.1uF
50V
0.1uF
50V
OPT
TXA0N
C7100
10uF
16V
10uF
16V
OPT
TXA1P
TXBCLKN
PANEL_VCC
TXA2P
TXB1P
TXB2P
TXB0N
TXBCLKP
TXA1N
L7100
BLM18SG121TN1D
TXB1N
TXA3P
TXA2N
TXB0P
TXB2N
TXB3N
TXA3N
R7102
10K
LVDS_SEL_LOW
R7101
3.3K
LVDS_SEL_HIGH
TXACLKP
TXA0P
TXB3P
+3.3V_NORMAL
C7101
1000pF
50V
1000pF
50V
OPT
P7100
FI-RE51S-HF-J-R1500
LVDS_51PIN
1
NC
2
NC
3
NC
4
NC
5
NC
6
AUO_65_MIRROR
7
LVDS_SEL
8
NC
9
NC
10
L/DIM_ENABLE
11
GND
12
RA0N
13
RA0P
14
RA1N
15
RA1P
16
RA2N
17
RA2P
18
GND
19
RACLKN
20
RACLKP
21
GND
22
RA3N
23
RA3P
24
RA4N
25
RA4P
26
GND
27
BIT_SEL
28
RB0N
29
RB0P
30
RB1N
31
RB1P
32
RB2N
33
RB2P
34
GND
35
RBCLKN
36
RBCLKP
37
GND
38
RB3N
39
RB3P
40
RB4N
41
RB4P
42
GND
43
GND
44
GND
45
GND
46
GND
47
NC
48
VLCD
49
VLCD
50
VLCD
51
VLCD
52
GND
TXA0N
TXACLKN
TXA1P
TXACLKP
TXA2N
P7101
FF10001-30
LVDS_30PIN
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
TXA3P
LVDS_SEL
TXA3N
TXA2P
TXA0P
TXA1N
LVDS_SEL
LVDS_SEL
R7103
3.3K
BIT_SEL_HIGH
R7104
10K
BIT_SEL_LOW
+3.3V_NORMAL
BIT_SEL
BIT_SEL
R7107
33
37_LGD
PWM_DIM1
R7106
10K
OPT
+3.3V_NORMAL
R7108
0
OPT
R7105
1K
37_LGD
R7109
0
OPT
OPC_EN
[51Pin LVDS OUTPUT Connector]
LVDS
LVDS_SEL
71
LVDS_HIGH_MID
2011.08.11
[30Pin LVDS OUTPUT Connector]
BIT_SEL
xxLT760H-UA
OPC_SEL
OPC_EN : Only LGD32" & LGD37"
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