LG 47GA7800-CB (CHASSIS:LC37G) Service Manual ▷ View online
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.
EPHY_EN
R5215
4.7K
EPHY_TXD0
C5200
4.7uF
10V
4.7uF
10V
R5204
2.49K 1%
2.49K 1%
EPHY_RDP
/RST_PHY
C5201
0.1uF
16V
0.1uF
16V
ET_COL/SNI
R5206
22
ET_RXER
R5210
22
EPHY_CRS_DV
R5212
1.5K
1/16W
5%
EPHY_ACTIVITY
EPHY_RXD0
C5210
10uF
10V
10uF
10V
OPT
EPHY_RDN
R5203
4.7K
EPHY_TDP
C5205
0.1uF
16V
0.1uF
16V
EPHY_ACTIVITY
C5204
10uF
10uF
10V
OPT
OPT
C5203
0.1uF
16V
0.1uF
16V
EPHY_RXD1
EPHY_TDN
EPHY_REFCLK
ET_RXER
EPHY_TXD1
R5208
4.7K
EPHY_MDC
C5211
0.1uF
16V
0.1uF
16V
R5217
4.7K
C5208
0.1uF
16V
0.1uF
16V
R5207
22
EPHY_MDIO
LAN_JACK_POWER
C5212
0.1uF
OPT
ET_COL/SNI
C5209
56pF
C5202
56pF
EPHY_INT
R5201
22
L5211
100NH
IC5200
RTL8201F-VB-CG
1
RSET
3
MDI+[0]
7
AVDD33_1
9
RXD[0]
10
RXD[1]
11
RXD[2]/INTB
12
RXD[3]/CLK_CTL
13
RXC
14
DVDD33
15
TXC
16
TXD[0]
17
TXD[1]
18
TXD[2]
19
TXD[3]
20
TXEN
21
PHYRSTB
22
MDC
23
MDIO
24
LED0/PHYAD[0]/PMEB
25
LED1/PHYAD[1]
26
CRS/CRS_DV
27
COL
28
RXER/FXEN
29
DVDD10OUT
30
AVDD33_2
31
CKXTAL1
32
CKXTAL2
5
MDI+[1]
8
RXDV
6
MDI-[1]
4
MDI-[0]
2
AVDD10OUT
33
[EP]
+3.3V_WOL
+3.3V_WOL
+3.3V_WOL
+3.3V_WOL
+3.3V_WOL
WOL/WOW_POWER_ON
L5200
BLM18PG121SN1D
120-ohm
R5211
3.3K
3.3K
WOL_CTL
R5202
22K
22K
Q5201
PMV48XP
G
D
S
C5213
4.7uF
10V
4.7uF
10V
Q5200
MMBT3904(NXP)
MMBT3904(NXP)
E
B
C
R5209
2.2K
2.2K
+3.5V_WOL
+3.5V_ST
+3.5V_WOL
+3.3V_WOL
R5216
4.7K
R5205
0
C5207
20pF
20pF
50V
20pF
C5206
20pF
50V
20pF
50V
20pF
X5200
25MHz
4
GND_2
1
X-TAL_1
2
GND_1
3
X-TAL_2
R5213
1M
OPT
C5206-*1
15pF
50V
15pF
50V
15pF
C5207-*1
15pF
50V
15pF
50V
15pF
14
ETHERNET
50
LG1152 A0
Place near IC
Ethernet Block
Route Single 50 Ohm, Differential 100 Ohm
Place 0.1uF close to each power pins
Place this Res. near IC
25MHz, CL 18pF, ESR , max 30 Ohm, +/-30ppm
Place this cap. near IC
Place this cap. near IC
WOL POWER ENABLE CONTROL
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
OPT
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
AMP_RESET_N
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
OPT
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+
WOOFER_MUTE
WOOFER_MUTE
TP5403
C5424
0.01uF
50V
0.01uF
50V
OPT
L5400
CIS21J121
Q5400
MMBT3904(NXP)
E
B
C
4.7uF
C5407
10V
R5418
5.1K
R5415
5.1K
R5416
5.1K
R5417
5.1K
+3.3V_NORMAL
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]
SPEAKER_R
DUAL COMPONENT
Q1801
0x54
SPEAKER_L
1ST : 0TRIY80001A 2ND : 0TR387500AA
54
AMP_NEO
2011.11.21
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.
SIGN600005
SCART_Rout
SCART_MUTE
SCART_Lout
DTV/MNT_R_OUT
+12V
C6005
33pF
EU
R6010
470K
OPT
R6008
33K
EU
C6004
0.1uF
50V
EU
R6000
2.2K
EU
L6000
EU
R6002
470K
OPT
Q6000
MMBT3904(NXP)
EU
E
B
C
R6011
2.2K
EU
DTV/MNT_R_OUT
C6003
33pF
EU
DTV/MNT_L_OUT
Q6001
MMBT3904(NXP)
EU
E
B
C
DTV/MNT_L_OUT
R6004
33K
EU
C6002
6800pF
OPT
C6007
6800pF
OPT
C6008
1uF
25V
EU
C6000
1uF
25V
25V
EU
IC6000
AZ4580MTR-E1
EU
3
IN1+
2
IN1-
4
VEE
1
OUT1
5
IN2+
6
IN2-
7
OUT2
8
VCC
SCART_AMP_R_FB
SCART_AMP_L_FB
Q6002
MMBT3906(NXP)
MMBT3906(NXP)
EU
E
B
C
R6003
10K
EU
R6001
10K
EU
R6012
4.7K
OPT
+3.5V_ST
R6013
1K
EU
R6014
1K
EU
[SCART AUDIO MUTE]
AUD_OUT >> EU/CHINA_HOTEL_OPT
60
SCART AUDIO AMP
2011.11.21
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.
Q6201
AO3407A
CI
G
D
S
+5V_CI_ON
C6207
4.7uF
10V
4.7uF
10V
OPT
R6218
10K
10K
CI
+5V_NORMAL
C6202
0.1uF
16V
OPT
R6242
2.2K
2.2K
CI
R6221
10K
10K
OPT
PCM_5V_CTL
R6248
10K
CI
R6223
4.7K
4.7K
CI
R6241
22K
22K
CI
Q6200
MMBT3904(NXP)
MMBT3904(NXP)
CI
E
B
C
C6210
1uF
25V
1uF
25V
OPT
C6210-*1
1uF
25V
1uF
25V
CI_MTK
CI POWER ENABLE CONTROL
62
CI SLOT
2011.10.31
Option FOR MTK
Option FOR LG1152
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