DOWNLOAD LG 47LD500 LC470WUH-SCR7 Service Manual ↓ Size: 9.79 MB | Pages: 127 in PDF or view online for FREE

Model
47LD500 LC470WUH-SCR7
Pages
127
Size
9.79 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / LCD
File
47ld500-lc470wuh-scr7.pdf
Date
PREV: LG 47LD465 (CHASSIS:LJ01B) Service Manual

LG 47LD500 LC470WUH-SCR7 Service Manual ▷ View online

CONFIDENTIAL – DO NOT COPY 
Page 13-17
 
File No. SG-0362
 
 
 
CONFIDENTIAL – DO NOT COPY 
Page 13-18
 
File No. SG-0362
 
 
 
 
5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
OPCTRL1
POWER_SW_ON_OFF
OPCTRL2
+5V
DV33
+3V3SB
OPWRSB
+5VSB
+12V
EXT_BR28
GPIO_24
EXT_BR28
VBR_OUT27
OPWRSB
OPWM2
OPWM2
OPCTRL2
OPCTRL2
PWR_12V
OPCTRL1
VBR_OUT27
VBR_OUT27
OPCTRL1
Lamp Status
GPIO_24
BL_ON_OFF
DV33
+5VSB
+5V
+5VSB
+3V3SB
+3V3SB
DV33
+18V
+12V
OPCTRL1
[4]
OPWRSB
[4]
+5V
[2,6,8,10]
DV33
[2,3,4,11,12]
+3V3SB
[2,3,4,8,10]
+5VSB
[2,4,6,10,13]
+12V
[2,6,11,12]
GPIO_24
[4]
EXT_BR28
[12,14]
VBR_OUT27
[12,14]
OPWM2
[3,4]
OPCTRL2
[4]
MODEL
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PCB P/ N:
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TECHNOLOGY
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SCH FILE :
DATE:
DESIGN BY:
POWER
(3647-0382-0150)
1
15
VPCN10070011
017122723256.BRD
06
06
364703820150_VPCN10070011.DSN
0171-2272-3256
Monday, September 13, 2010
MT5392_LGE_47LD500
MODEL
Sheet
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of
CIRCUITY
PCB REV:
PCB FILE :
PCB P/ N:
ECN NO:
TECHNOLOGY
APPROVED BY:
CHECKED BY:
SCH FILE :
DATE:
DESIGN BY:
POWER
(3647-0382-0150)
1
15
VPCN10070011
017122723256.BRD
06
06
364703820150_VPCN10070011.DSN
0171-2272-3256
Monday, September 13, 2010
MT5392_LGE_47LD500
MODEL
Sheet
REV:
of
CIRCUITY
PCB REV:
PCB FILE :
PCB P/ N:
ECN NO:
TECHNOLOGY
APPROVED BY:
CHECKED BY:
SCH FILE :
DATE:
DESIGN BY:
POWER
(3647-0382-0150)
1
15
VPCN10070011
017122723256.BRD
06
06
364703820150_VPCN10070011.DSN
0171-2272-3256
Monday, September 13, 2010
MT5392_LGE_47LD500
RA-V1
Rev
INITIAL VERSION
P#
2008/08/11
Current 2.45A
01. INDEX_POWER
02. POWER
03. BYPASSCAP/STRAPPING
04. PERIPHERAL/FLASH/RESET
05. GDDR3 DRAM
06. LINE IN/OUT/SPDIF
07. AV/SV/YPbPr
08. HDMI SWITCH
09. TUNER
10. USB/LED/KEY&IR
11. AUDIO AMP
12. LVDS
13. VGA
DATE
History
MT5392 (PBGA) FOR  FHDTV-120Hz
SCHEMATIC- 4 LAYERS
M= METAL 1%
NOTE :  NC MEANS  "NOT CONNECTED ON PCB BOARD"
ALL RESISTORS 25 VOLT  IN .1uF  UNLESS NOTED.
ALL RESISTORS VALUES IN OHMS UNLESS NOTED.
ALL CAPACITOR  VALUES IN uF UNLESS NOTED.
ALL RESISTORS 1/16 WATT,5% UNLESS NOTED.
ALL CAPACITORS 50 VOLT & 105"C  UNLESS NOTED.
High = > +5V POWER OFF
Low = > +5V POWER ON
Current 1A
POWER IN
OPCTRL2
HIGH = > OPEN POWER +12V & +24V ON
LOW = > POWER +12V & +24V OFF
Mega DCR ( OFF: 0 ~ 0.8V ; ON: 2 ~ 5V )
+3V3SB
+5V_TUENR                        
DV33
AV33
DDRV
AV25
DV10
AV12
POWER +12V
POWER +5V
POWER +5V
POWER +3.3V
POWER +5V           
POWER +3.3V
POWER +3.3V
POWER +1.8V
POWER +2.5V
POWER +1.0V
POWER +1.2V
NAME
TYPE
GROUND
DEVICE
STANDBY POWER
TUNER POWER
MT5392 POWER AND ITS PERIPHERAL
MT5392 ANALOG POWER
MT5392 DDR POWER
MT5392 VIDEO FRONT-END POWER
MT5392 CORE POWER
MT5392 ANALOG POWER
GROUND
GND
POWER SUPPLY
POWER SUPPLY
STANDBY  POWER
+12V
+5V
+5VSB
DIMMING CONTROL
BACK LIGHT CONTROL
High = > BL POWER ON
Low = > BL POWER OFF
Reserve
Current 2.6A
DVT VERSION
2008/12/08
Reserve
DDR heat-sink
Scanning backlight panel : R8 100ohm
Others : R8 NC
Current 2A
Arthur 090506: ADD 2 SCREWs
9/21 DIP => SMD
9/21 ADD 1 SCREW
9/25 Modify footprint
11/4
Modify J1 to "W200_14A"
ADD J5(W200_4A)
DEL. R8,C4,C14,"SCAN_BLK2"
11/11
H11
轉向90度
11/13
Modify J1 to "W200_15A"
11/16
Modify J1 to "W200_14A"
9/21 Modify net name
11/17
Modify J1 net
C460
1000pF/50V
C460
1000pF/50V
C35
0.1uF/16V
C35
0.1uF/16V
C1
0.1uF/16V
C1
0.1uF/16V
Q7
KN3904S
Q7
KN3904S
2
1
3
+ CE5
NC/10uF/16V
+ CE5
NC/10uF/16V
H4
SCREW
CIR80-60
H4
SCREW
CIR80-60
2
1
R10
100
R10
100
Q2
KN3904S
Q2
KN3904S
2
1
3
H11
SCREW
CIR80D35
H11
SCREW
CIR80D35
2
1
J1
2R00_1X14ML
J1
2R00_1X14ML
1
2
3
4
5
6
7
8
9
10
11
12
13
14
R13
10K
R13
10K
H1
SCREW
CIR80-50
H1
SCREW
CIR80-50
2
1
R33
10K
R33
10K
C21
NC/0.1uF/16V
C21
NC/0.1uF/16V
H2
SCREW
CIR80-50
H2
SCREW
CIR80-50
2
1
R11
560
R11
560
R23
10K
R23
10K
C15
0.01uF/16V
C15
0.01uF/16V
F2
125V/5A
F2
125V/5A
C13
1000pF/50V
C13
1000pF/50V
R2
NC/10K
R2
NC/10K
R24
560_F
R24
560_F
R17
10K
R17
10K
+ CE4
NC/22uF/16V
+ CE4
NC/22uF/16V
C20
0.1uF/16V
C20
0.1uF/16V
H7
SCREW
CIR80-50
H7
SCREW
CIR80-50
2
1
C16
0.1uF/16V
C16
0.1uF/16V
F1
125V/5A
F1
125V/5A
H9
SCREW
CIR80-50
H9
SCREW
CIR80-50
2
1
D1
LL4148WP
D1
LL4148WP
H8
SCREW
CIR80-50
H8
SCREW
CIR80-50
2
1
Q1
KN3904S
Q1
KN3904S
2
1
3
R5
NC/1K
R5
NC/1K
R9
560
R9
560
H10
SCREW
CIR80D35
H10
SCREW
CIR80D35
2
1
C3
0.1uF/16V
C3
0.1uF/16V
C457
NC/0.01uF/50V
C457
NC/0.01uF/50V
H5
SCREW
CIR80-50
H5
SCREW
CIR80-50
2
1
Q5
KN3904S
Q5
KN3904S
2
1
3
R1
3K9
R1
3K9
C5
1000pF/50V
C5
1000pF/50V
R14
470K
R14
470K
C458
NC/0.01uF/50V
C458
NC/0.01uF/50V
S
S
PMOS
U1
AP4953GM
S
S
PMOS
U1
AP4953GM
1
2
3
4
5
6
7
8
R19
10K
R19
10K
R31
10K
R31
10K
C19
0.1uF/16V
C19
0.1uF/16V
C2
1000pF/50V
C2
1000pF/50V
R12
10K
R12
10K
C10
NC/0.1uF/16V
C10
NC/0.1uF/16V
R3
NC/1K
R3
NC/1K
R7
10K
R7
10K
+ CE2
220uF/25V
+ CE2
220uF/25V
R28
NC/0
R28
NC/0
UH1
Small Shield
UH1
Small Shield
Shield
1
Shield
2
Shield
3
Shield
5
Shield
6
Shield
4
Shield
7
R27
10K
R27
10K
J5
NC/2R00-1X4ML
J5
NC/2R00-1X4ML
1
2
3
4
H3
SCREW
CIR80-60
H3
SCREW
CIR80-60
2
1
+ CE1
220uF/25V
+ CE1
220uF/25V
C9
1000pF/50V
C9
1000pF/50V
5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
AV33
+5V
AV12
+5V_TUNER
+12V
DV33
+3V3SB
AV80
DV10
+5VSB
+3V3_DEMOD
AV33
+5V
DV33
+5V
+5VSB
+3V3SB
+12V
+5V_Tuner
+3V3_DEMOD
+5V
AV12
AV33
AV80
+12V
D_DDRV
+5V
+5V
DV10
+3V3_DEMOD
+3V3_DEMOD
+5V
[1,6,8,10]
AV33
[3,6,7,8,10,12]
AV12
[3,5,8,10,12,13]
+5V_TUNER
[9]
+12V
[1,6,11,12]
DV33
[1,3,4,11,12]
+3V3SB
[1,3,4,8,10]
AV80
[6]
DV10
[3]
+5VSB
[1,4,6,10,13]
+3V3_DEMOD
[3,9]
MODEL
Sheet
REV:
of
CIRCUITY
PCB REV:
PCB FILE :
PCB P/ N:
ECN NO:
TECHNOLOGY
APPROVED BY:
CHECKED BY:
SCH FILE :
DATE:
DESIGN BY:
POWER
(3647-0382-0150)
2
15
VPCN10070011
017122723256.BRD
06
06
364703820150_VPCN10070011.DSN
0171-2272-3256
Monday, September 13, 2010
MT5392_LGE_47LD500
MODEL
Sheet
REV:
of
CIRCUITY
PCB REV:
PCB FILE :
PCB P/ N:
ECN NO:
TECHNOLOGY
APPROVED BY:
CHECKED BY:
SCH FILE :
DATE:
DESIGN BY:
POWER
(3647-0382-0150)
2
15
VPCN10070011
017122723256.BRD
06
06
364703820150_VPCN10070011.DSN
0171-2272-3256
Monday, September 13, 2010
MT5392_LGE_47LD500
MODEL
Sheet
REV:
of
CIRCUITY
PCB REV:
PCB FILE :
PCB P/ N:
ECN NO:
TECHNOLOGY
APPROVED BY:
CHECKED BY:
SCH FILE :
DATE:
DESIGN BY:
POWER
(3647-0382-0150)
2
15
VPCN10070011
017122723256.BRD
06
06
364703820150_VPCN10070011.DSN
0171-2272-3256
Monday, September 13, 2010
MT5392_LGE_47LD500
1.25 x (1+180/110) = 3.3V
STANDBY POWER +3V3SB
ANALOG POWER AV33
DIGITAL POWER DV33
1.25 x (1+180/110) = 3.3V
1.25 x (1+180/110) = 3.3V
For Thermal
TUNER POWER +5V_TUNER
Typ.Current 45mA
Typ.Current 220mA
Typ.Current 825mA
Typ.Current 236mA
M= METAL 1%
NOTE :  NC MEANS  "NOT CONNECTED ON PCB BOARD"
ALL RESISTORS 25 VOLT  IN .1uF  UNLESS NOTED.
ALL RESISTORS VALUES IN OHMS UNLESS NOTED.
ALL CAPACITOR  VALUES IN uF UNLESS NOTED.
ALL RESISTORS 1/10 WATT,5% UNLESS NOTED.
ALL CAPACITORS 50 VOLT & 105"C  UNLESS NOTED.
INTERNAL DEMOD POWER 
Typ.Current 100mA
ANALOG POWER AV12
1.25 x (1+180/110) = 3.3V
AV12 = 1.25V
Typ.Current 312mA
1.25 x (1+0/100) = 1.25V
ART 12/08: DEL CE9 
INTERNAL AUDIO DAC POWER AV80
Typ.Current 15mA
0.8 x (1+10K/8K) = 1.8V
Typ.Current 1500mA
DRAM Power
DC-DC 4A
0.8 x (1+6.8K/19.1K) = 1.085V
CORE POWER DV10
Typ.Current 2700mA
DV10 = 1.08V
9/17 ADD  R682
9/17 ADD  R683
9/17 DEL  U5
ADD  U46
9/22 DIP => SMD
9/22 DIP => SMD
9/22 DIP => SMD
11/12
CE11 modify to "SMDECE"
1/15
DEL CE58
ADD L36,C536,C537,C538,C539
1/15
co-layout
C469
1000pF/50V
C469
1000pF/50V
R40
110_F
R40
110_F
C467
0.1uF/16V
C467
0.1uF/16V
R44
110_F
R44
110_F
R628
10K_F
R628
10K_F
R36
110_F
R36
110_F
C43
0.1uF/16V
C43
0.1uF/16V
C40
1.0uF/25V
C40
1.0uF/25V
C471
0.1uF/16V
C471
0.1uF/16V
R629
8K06_F
R629
8K06_F
+
CE10
100uF/16V
+
CE10
100uF/16V
C27
1.0uF/25V
C27
1.0uF/25V
C475
1.0uF/25V
C475
1.0uF/25V
C29
1.0uF/25V
C29
1.0uF/25V
U43
G5684
U43
G5684
COMP
1
GND
2
EN
3
IN
4
LX
5
LX
6
FREQ
7
FB
8
E_PAD
9
+
CE44
100uF/16V
+
CE44
100uF/16V
C38
0.1uF/16V
C38
0.1uF/16V
R625
NC
R625
NC
C41
0.1uF/16V
C41
0.1uF/16V
C31
0.1uF/16V
C31
0.1uF/16V
TO220
IN
OUT
GND
IGO
U8
AZ7805T-E1
TO220
IN
OUT
GND
IGO
U8
AZ7805T-E1
3
1
2
4
TO263
IN
OUT
ADJ
ADJ
U3
G1084TU3Uf
TO263
IN
OUT
ADJ
ADJ
U3
G1084TU3Uf
2
3
1
4
C472
0.1uF/16V
C472
0.1uF/16V
+
CE54
220uF/16V
+
CE54
220uF/16V
SOT223
GND
IN
OUT
ADJ
U2
AP1117EL-13
SOT223
GND
IN
OUT
ADJ
U2
AP1117EL-13
2
3
1
4
C42
0.01uF/16V
C42
0.01uF/16V
+
CE16
100uF/16V
+
CE16
100uF/16V
+
CE17
220uF/16V
+
CE17
220uF/16V
C33
0.1uF/16V
C33
0.1uF/16V
C538
NC
C538
NC
C28
0.1uF/16V
C28
0.1uF/16V
C45
1.0uF/25V
C45
1.0uF/25V
C23
1.0uF/25V
C23
1.0uF/25V
R42
180
R42
180
C25
0.1uF/16V
C25
0.1uF/16V
+
CE56
470uF/16V
+
CE56
470uF/16V
C39
10uF/10V
C39
10uF/10V
C539
100uF/6.3V
C539
100uF/6.3V
C468
0.1uF/16V
C468
0.1uF/16V
SOT223
GND
IN
OUT
ADJ
U46
AP1117EL-13
SOT223
GND
IN
OUT
ADJ
U46
AP1117EL-13
2
3
1
4
R683
NC/0
R683
NC/0
C30
0.1uF/16V
C30
0.1uF/16V
R678
6K8_F
R678
6K8_F
C470
0.1uF/16V
C470
0.1uF/16V
+
CE6
100uF/16V
+
CE6
100uF/16V
R38
180
R38
180
R37
100
R37
100
C536
NC
C536
NC
R623
18K2_F
R623
18K2_F
C32
1.0uF/25V
C32
1.0uF/25V
C537
100uF/6.3V
C537
100uF/6.3V
C476
0.1uF/16V
C476
0.1uF/16V
R35
180
R35
180
D82
SM540C
D82
SM540C
C26
0.1uF/16V
C26
0.1uF/16V
R682
NC/0
R682
NC/0
Q39
KN3904S
Q39
KN3904S
2
1
3
L25 4.7uH/3.8A
L25 4.7uH/3.8A
1
2
+
CE9
100uF/16V
+
CE9
100uF/16V
+
CE7
100uF/16V
+
CE7
100uF/16V
+
CE12
100uF/16V
+
CE12
100uF/16V
C473
0.1uF/16V
C473
0.1uF/16V
+
CE11
100uF/35V
+
CE11
100uF/35V
R34
110_F
R34
110_F
C22
0.1uF/16V
C22
0.1uF/16V
SOT223
GND
IN
OUT
ADJ
U7
AP1117EL-13
SOT223
GND
IN
OUT
ADJ
U7
AP1117EL-13
2
3
1
4
+
CE57
220uF/16V
+
CE57
220uF/16V
R622
1K
R622
1K
R626
15K_F
R626
15K_F
+
CE55
220uF/16V
+
CE55
220uF/16V
SOT223
GND
IN
OUT
ADJ
U4
AP1117EL-13
SOT223
GND
IN
OUT
ADJ
U4
AP1117EL-13
2
3
1
4
R39
0
R39
0
U42
G5626
U42
G5626
VCC
1
REF
2
GND
3
FB
4
EN
5
PGND
6
LX
7
VIN
8
E_PAD
9
R45
180
R45
180
ZD7
RLZ9.1B
ZD7
RLZ9.1B
R627
30K_F
R627
30K_F
L26
NC/4.7 uH/4.8A
L26
NC/4.7 uH/4.8A
1
2
R624
10
R624
10
C46
0.1uF/16V
C46
0.1uF/16V
L36
2.2uH/4.8A
L36
2.2uH/4.8A
1
2
C474
NC
C474
NC
C24
0.1uF/16V
C24
0.1uF/16V
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