LG 47LX9500 - Page 118

Q803
IC400
P805
Q702
Q804
Q907
Q906
IC1000
IC500
E
B
C
EB
C
EB
C
E
B
C
EB
C
EB
C
Q701
L701
SW400
IC306
IC1001
IC1002
IC801
P806
IC309
IC102
L309
IC305
IC701
L702
IC700
P804
Q700
IC310
L314
IC203
IC308
L700
P101
IC204
IC201
X100
25MHz
P802
P803
IC200
IC205
Q1002
Q1001
Q1004
Q1003
P901
n/c
L601
IC600
L600
IC302
L307
IC304
L305
IC301
IC307
L306
IC202
A2
A1
C
D600
20.68V
1.2V
1.27V
8.2V
2.52V
2.53V
3.3V 3.33V
1.85V
1.88V
3.4V
1.07V
1.05V
11.4V
11.36V
3.34V
3.35V
8V Pin 11
25.6V Pin 8
8V Pin 61
8.2V Pins 73-74
3.4V Pins 76-77
16V Pins 79-80
-5V Pins 71
25.6V Pins 66
6V Pins 63-64
8.2V Pins 7-8
3.4V Pins 4-5
8V Pin 21
6V Pins 18-19
25.6V Pins 16
-5V Pins 11
16V Pins 1-2
8.2V
3.4V
L802
L801
12V
LVDS
TP
25.6V
16V
6V Pin 2
16V Pin 42
3.4V 23-24
13
25
48
TCON/3D
EB
C
E
B
C
1
2
3
S
G
D
1
2
3
MAIN BOARD
p/n: EBR69489001
Q?
IC900
Video Processor
LGE3549XQ
TU700
TDVJ-H031F
18. IF p
17. IF n
16. IF AGC
15. Reset
14. 3.3V
13. 1.26V
12. GND
11. CVBS
10. NC
9. SIF
8. NC
7. SDA
6. SCL
5. NC
4. NC
3. 5V
2. NC
1. NC
P7800
IC601
X9700
P7900
IC2101
P2100
IC2100
P2101
P8200
Q8205
Q8201
Q8200
Q8203
X8101
X8100
D8312
Q8308
S
B
D
G
IC8101
P8100
IC8100
IC8004
IC8800
Q8800
P2000
n/c
IC8801
Q200
S
G
D
Q8301
Q8304
D8307
IC8400
Q8303
Q8300
D8309
Q8305
Q8302
D8306
Q8701
Q8700
IC8700
Q2200
P2200
P8800
IC8401
IC8200
Digital Video
Analog Video
Q308
Q702
D8310
Q8306
Q701
HDMI
IC300
IC700
USB1
USB2
IC302
X1001
IC901
IC8000
IC301
IC602
IC606IC605
Q8004
Q8003
Q8001
IC8002
IC8001
IC8003
Q901
IC8007
IC8008
IC9702
IC604IC603
P7901
P7802
P8000
P7803
P2401
25MHz
32.768KHz
10MHz
SW8100
Micro Reset
IC9703
Q8005
Q8000 Q8002
3
1
2
IC8005
Wireless Media
Box Remote
LAN
RS232RGB
Optical
Audio
PC
Audio
HDMI
Ft Left
Audio
HDMI
Selector
Micro
processor
Woofer
Audio
Ft Right
Audio
54MHz
Panel Vcc Sw
IC9701
LG5111
Power On
Sw
INV_CTL Sw
1.8V Dimming
EEPROM
NVRAM
LVDS
Dimming
DDR DDR DDR DDR
NAND Flash
Memory
USB1 5V
USB2 5V
+ 5V Normal Reg
A1.2V Reg
D1.8V Reg
DDR_VTT Reg
D3.3V Reg
+1.26V_TU Reg
RS232 Buffer
EDID RGB
Earphone Amp
LVDS
A2.5V Reg
To
3D Sync
USB 5V
To Logo
Ft Left
Audio
Woofer
Ft Right
Ft IR
+1.8V_HDMI
IC8300
+1.8V_AMP
To SMPS
INV 2
Drive
To T-CON
To T-CON
INV Main
Drive
JK8700
HDMI
Q8307
E
B
C
EB
C
EB
C
EB
C
EB
C
E
CB
Q3
Q12
C98
EB
C
A0950
105
0
C
Q4
Q16
Q1
Q2
Q5
24.6V
12.96V 13V
L101
F1
12A/65V
24.6V
U6 U5
U4
13V POWER
SUPPLY
For CN2 / CN3
13V
13V POWER
SUPPLY
For CN4 / CN5
L102
C75
Gnd
Q10
Q7
12.77V
13V
U103
3.3V
3.46V
L103
Q11
Q8
U102
U101
A0950
105
0
C
+
-
13V
C89
DO NOT
MEASURE
U501 U1
Q15
U3
U11
U10
U9
Y1Y501
8MHz 8MHz
CN5
CN4
U7
U8
CN2CN3
CN11CN10
n/c
U13
+
-
+
-
A0950
105
0
C
CN1
INVERTER
MAIN
INVERTER
MAIN
+
-
A0950
105
0
C
13V POWER
SUPPLY
For CN104 / CN105
DO NOT
MEASURE
8MHz
13V
C151
+
-
A0950
105
0
C
Q501
E
B
C
Y501
U4
U3
CN105
CN104
U501
CN103n/c
13V
12.8V
Q101
Q102
Q105
24.6V
E
B
C
Q109
E
B
C
Q108
Q12
EB
C
Q3
U103
3.4V
3.3V
L207
U5
U2
U13
U101
Q106
Q103
E
B
C
F1
12A/65V
24.6V
C101
CN101
L206
E
B
C
E
B
C
INVERTER
SECONDARY
47uF/450V 47uF/450V 47uF/450V 47uF/450V 47uF/450V 47uF/450V
IC102
P204 P205 P201
SMPS BOARD
p/n: EAY60908801
T102 T101
A1
A2
C
D201
0V
3.45V
0V
IC103
IC502
T501
IC501
F500
1A/250V
F501 Hot Gnd
STBY 159.6V
Run 392.6V
D102
D607
D101
F101 Hot Gnd
STBY 2.9V
Run 393.3V
Q252
Q251
D222
D221
A1
A2
C
A1
A2
C
Q111 Q110
F101
3.15A/250V
D
SG
D
SG
L601
L600
D601
D602
Q605
C
A
G
D
S
C
A
G
D
S
D603
Q606
BD101
CX101
CX102
CX103
-
+
RL101
RL102
E
C
B
Q231
F100
6.3A/250V
D100
SK101
AC In
47LX9500 INTERCONNECT DIAGRAM
Indicates Hot
Ground
SMPS TEST 1
P201
A
PWR ON
3 17 511 915 1319 1721
4 28 612 1016 1420 1822
23
24
STBY 3.5V
12V12V
STBY 3.5V
24V24V
24V
12V
INV-ON
B
SMPS TEST 2
P201
A
PWR ON
3 17 511 915 1319 1721
4 28 612 1016 1420 1822
23
24
STBY 3.5V
12V12V
STBY 3.5V
24V24V
24V
12V
Front pins on connector
are odd numbers.
Front pins on connector
are odd numbers.
CN1
LED Extension Board
CN2
LED Extension Board
CN12
CN13
LED Extension Board
V73~V80
V81~V88
V1~V8
V9~V16
V17~V24
V25~V32
V33~V40
V41~V48
V49~V56
CN23
CN24
CN25
CN26
CN27
CN28
CN29
CN30
CN31
CN32
CN33
V25~V32
V33~V40
V41~V48
V49~V56
V57~V64
V65~V72
V73~V80
V81~V88
V89~V96
CN10
100 IRE
3.68V p/p 240Hz
Note: If a particular block is exhibiting a dimmer level that the
other or the overall brightness seems dim, be sure to first check
the customer’s Menu setting for Backlights. Raise the percentage
and see if the overall brightness returns to normal. If not,
1
st
: Check the P-DIM level, it should rise with the percentage
shown on screen. 100%, 3.3V. Follow the P-DIM signal all the way
to each Inverter.
2
nd
: Turn off the set and unplug the connector to the Inverters
coming from the Main board. If the brightness returns to normal,
the Main board is defective.
Drive Signals
to LED Blocks
5 IRE
3.88V p/p 240Hz
Each connector (27 total) to the LED Blocks (216)
have two pins delivering B+ 13V and 8 Drive Signals
*To force a Block to turn
on, simply ground the pin.
Providing the 13V source
is present.
CN11
CN4
CN5
CN6
CN7
CN8
CN9
CN3
CN22
CN14
CN15
CN16
CN17
CN18
CN19
CN20
CN21
SMPS TEST 1: To Force Power Supply On.
Disconnect P8000 on Main board.
(A) Jump pins 9, 10, 11 or 12 (3.5V) to pin 1. (Test Voltage Outputs
12V, 24V to Main and 24V to both Inverters). Remove AC power.
Leave the jumper in place.
SMPS TEST 2: (B) Jump pins 9, 10, 11 or 12 (3.5V) to pin 18 (INV-
ON). Apply AC power, the Backlights should turn on.
Note; If Inverter Main or Secondary is loading down 24V, each
Inverter can be run separately:
Remove AC and Disconnect P204. When AC is reapplied, the
Backlight LEDs on the Right (Back View) should turn on.
Remove AC and Disconnect P205 and reinstall P204. When AC is
reapplied, the Backlight LEDs on the Left (Back View) should turn on.
V105~
V112
V113~
V120
V121~
V128
V29~
V136
V137~
V144
V145~
V152
V153~
V160
V161~
V168
V169~
V176
Front IR
J2
Keys
LG Logo
INV 1 Drive
To TFT Panel
To TFT Panel
N/C
3D IR
J1 "IR Board" To P8200
"Main Board"
P805 LVDS to Panel
P806 LVDS to Panel
16V
VDD (16V)
801.23VLRMVCLKP27
16V
VDD (16V)
794.94VV13531.21VLRMVCLKN26
GndGnd78GndV1252GndGnd25
3.4V
VCC (3.3V)
775.74VV10511.27VLRMV2N24
3.4VVCC (3.3V)768.31VV9501.17VLRMV2P23
GndGnd7510.27VV7491.26VLRMV1N22
8.2V
HVDD (8V)
7411.07VV6481.15VLRMV1P21
8.2V
HVDD (8V)
7311.07VV5471.28VLRMV0N20
GndGnd7212.26VV4461.17VLRMV0P19
(-5V)VGL (-5V)7114VV345GndGnd18
GndGnd7015.75VV2441.26VLLMV6N17
0.83VGOE6915.75VV1431.16VLLMV6P16
2.3VGSC68GndGnd421.27VLLMV5N15
GndGnd670.24VSOE_L411.26VLLMV5P14
25.6V
VGH (26V)
66GndGnd401.26VLLMV4N13
GndGnd651.66VPOL391.18VLLMV4P12
6V
VCOMLFB640VGSP38GndGnd11
6V
VCOMLOUT
63GndH_CONV371.23VLLMVCLKN10
GndGnd623.33VOPT_N361.22VLLMVCLKP9
8VZ_OUT61GndGnd35GndGnd8
Gnd
Gnd601.25VLRMV6N341.29VLLMV2N7
Gnd
Gnd591.17VLRMV6P331.15VLLMV2P6
0.26VV18581.26VLRMV5N321.3VLLMV1N5
0.26VV17571.18VLRMV5P311.18VLLMV1P4
0.27VV16561.25VLRMV4N301.24VLLMV0N3
2.68VV15551.15VLRMV4P291.19VLLMV0P2
3.75VV1454GndGnd28GndGnd1
RUNLABELPINRUNLABELPINRUNLABELPIN
--
P802 "T
-
CON" to P7800 "MAIN Board"
Open
11.59VPANEL_VCC48-51
n/cn/cn/c47
GndGnd
Gnd42-46
1.67V1.09V
RRXB4+41
1.67V1.26VRRXB4-40
1.67V1.14VRRXB3+39
1.67V1.22VRRXB3
-
38
GndGndGnd37
1.67V1.2VRRXBCK+36
1.67V1.16V
RRXBCK-35
GndGnd
Gnd34
1.67V1.14V
RRXB2+33
1.67V1.2VRRXB2-32
1.67V1.16VRRXB1+31
1.67V1.19VRRXB1-30
1.67V1.19VRRXB0+29
1.67V1.19V
RRXB0-28
n/cn/c
n/c27
GndGnd
Gnd26
1.67V1.08VRRXA4+25
1.67V1.26V
RRXA4-24
Diode CheckRun
LabelPin
-
-
-
-
-
-
-
1.67V1.14V
RRXA3+23
1.67V1.20VRRXA3-22
GndGnd
Gnd21
1.67V1.20VRRXACK+20
1.67V1.16V
RRXACK-19
GndGndGnd18
1.67V1.14V
RRXA2+17
1.67V1.22VRRXA2-16
1.67V1.17V
RRXA1+15
1.67V1.19VRRXA1-14
1.67V1.19V
RRXA0+13
1.67V1.17VRRXA0-12
n/cn/cn/c11
Open0.05V3D_DIM_210
Open0V3D_DIM9
Open0V3DTV8
n/cn/c
n/c7
Open3.32V
FRC_RESET6
1.73V3.34V
SCL3_3.3V5
1.73V3.34V
SDA3_3.3V4
1V3.33V
V_SYNC3
2.34V0.03V
3D_Sync_Out2
GndGnd
Gnd1
Diode CheckRunLabelPin
-
-
-
-
-
GndGndGnd51GndGndGnd341.15V1.16VRRXBCK-
Open0.03V3D_Sync_Out*501.15V1.16VRRXACK-330.97V1.2VRRXBCK+
0.998V3.33VV_SYNC490.97V1.2VRRXACK+32GndGndGnd
1.04V3.34VSDA3_3.3V48GndGndGnd311.15V1.22VRRXB3
1.04V3.34VSCL3_3.3V471.15V1.2VRRXA3-300.97V1.14VRRXB3+
Open3.32VFRC_RESET460.97V1.14VRRXA3+291.15V1.26VRRXB4
n/cn/cn/c451.15V1.26VRRXA4-280.97V1.09VRRXB4+
Open0V3DTV440.97V1.08VRRXA4+27GndGndGnd
1.03V0V3D_DIM43GndGndGnd
26GndGndGnd
1.03V0.05V3D_DIM_242n/cn/cn/c25GndGndGnd
n/cn/cn/c411.15V1.19VRRXB0-24GndGndGnd
1.15V1.17VRRXA0400.97V1.19VRRXB0+23GndGndGnd
0.97V1.19VRRXA0+391.15V1.19VRRXB122n/cn/cn/c
1.15V1.19VRRXA1380.97V1.16VRRXB1+21Open11.59VPANEL_VCC
0.97V1.17VRRXA1+371.15V1.2VRRXB2-20Open11.59VPANEL_VCC
1.15V1.22VRRXA2-360.97V1.14VRRXB2+19Open11.59VPANEL_VCC
0.97V1.14VRRXA2+35GndGndGnd18Open11.59VPANEL_VCC
Diode
Check
RunLabel
Pin
Diode
Check
RunLabel
Pin
Diode
Check
RunLabel
-
-
-
-
-
-
RRXA2
P7800 "MAIN Board" To "T-CON" P802
P204 "SMPS" To CN1
"INVERTER Main"
-C is Inverter On
(INV_ON)
I
Open0V0V
ERROR
14
Open
n/c
n/c13
Open
2.92V
0V12
Open
0.37V~2.8V
0V
Gnd
Gnd
Gnd
0.424V
24.7V
0V
24V
1-
5
Diode
Check
Label
n/c
11
Gnd
Run
STBY
Pin
*P
-DIM
*I-C
6-10
J1
J4
80
1.22VRRMV6N
79GndGnd5313.35VV426
1.12VRRMV6P78
1.22VRLMV2N5214VV325
1.12VRRMV5N
771.13VRLMV2P5115.75VV224
1.11VRRMV5P76
1.24VRLMV1N5015.75VV123
1.24VRRMV4N75
0.14VRLMV1P49GndGnd22
1.13VRRMV4P74
0.17VRLMVON488VZ_OUT21
GndGnd73
0.15VRLMVOP47GndGnd20
1.18VRRMVCLKN72GndGnd466V
VCOM ROUT
19
1.19VRRMVCLKP713.33VOPT_N456VVCOMRFB18
GndGnd700.44VH_CONV44GndGnd17
1.23VRRMV2N690.25VSOE_R43
25.6V
VGH (26V)
16
1.15VRRMV2P68GndGnd42GndGnd15
1.23VRRMV1N671.66VPOL412.3VGSC14
1.15VRRMV1P660VGSP40
0.83VGOE13
1.23VRRMV0N65GndGnd39GndGnd12
1.13VRRMV0P
640.26VV1838(-5V)VGL (-5V)11
GndGnd630.27VV1737n/cOPT_P10
1.23VRLMV6N621.97VV1636GndGnd9
1.12VRLMV6P612.68VV15358.2V
HVDD (8V)
8
1.22VRLMV5N603.75VV14348.2V
HVDD (8V)
7
1.34VRLMV5P594.94VV1333GndGnd6
1.24VRLMV4N583.37VV12323.4V
VCC (3.3V)
5
1.15VRLMV4P577.71VV10313.4V
VCC (3.3V)
4
GndGnd568.31VV930GndGnd3
1.18VRLMVCLKN5510.28VV72916V
VDD (16V)
2
1.19VRLMVCLKP5411.08VV6
16VVDD (16V)1
RUNLABELPINRUNLABELPINRUNLABELPIN
GndGnd12.27V
V5
27
Gnd
0.83V
0.26V--
GndGndGndGnd8
1.96V2.98V0V
DD7
1.96V2.98V0V
DC6
Open3.05V0V
M_RFModule_Reset5
1.95V3.3V0VM_REMOTE_TX4
1.95V3.3V0VM_REMOTE_RX3
GndGndGnd
Gnd2
1.17V3.33V0V
3.3V_Normal1
Diode
Check
Run STBYLabelPin
J4 "Ft IR Motion Sensor"
To P2000 "MAIN"
GndGndGnd
1.96V2.98V0V
1.96V2.98V0V
Open3.05V0V
1.95V3.3V0V
1.95V3.3V0V
GndGndGnd
1.17V3.33V0V
J2 "IR Board" To
"Key Board”
P201 "SMPS" To
P8000 "MAIN"
Open0V0V
ERROR
24
Openn/cn/cn/c23
Openn/cn/cn/c22
1.3V11.88V0V12V21
Open0.37V~3.3V0VP- D IM20
1.29V11.88V0V12V19
Open2.92V0VINV -ON18
1.29V11.88V0V12V17
Openn/cn/cn/c16
GndGndGndGnd13-15
Open3.41V3.45V3.5V9-12
GndGndGndGnd5-8
0.424V24.7V0V24V2-4
1.68V3.31V0VPWR-ON1
Diode
Check
Run STBYLabelPin
-
-
Open0V0VLED_R/BUZZ12
Open3.33V0V+3.3V_Normal11
GndGndGndGnd10
Open1.52V1.57VIR9
Open0.82V0VLED_LOGO8
GndGndGnd
Gnd7
Open3.37V3.46V
3.5V_ST6
Open2.7V2.76VKEY 25
Open3.37V3.45V
KEY 14
GndGndGnd
Gnd3
Open3.37V3.45VSDA2
Open3.37V3.45VSCL1
Diode Check
Run STBYLabelPin
Open0V0V
Open3.33V0V
GndGndGnd
Open1.52V1.57V
Open0.82V0V
GndGndGnd
Open3.37V3.46V
Open2.7V2.76V
Open3.37V3.45V
GndGndGnd
Open3.37V3.45V
Open3.37V3.45V
GndGndGndGnd4
Open2.7V2.76V
Key 23
GndGndGndGnd2
Open3.37V3.45VKey 11
Diode
Check
Run STBYLabelPin
Q8701 turned on by Q8700
*24V Switched from Q8701 Drain
(Use Dongle side to read voltages. Remove cover).
Voltages with Dongle plugged in.
Q8701 turned on by Q8700
*24V Switched from Q8701 Drain
(Use Dongle side to read voltages. Remove cover).
Voltages with Dongle plugged in.
P7802 "Main" To
"T-CON” P803
GndGnd
Gnd4
GndGnd
Gnd
3
Open11.55V
PANEL_VCC2
Open11.55VPANEL_VCC1
Diode CheckRunLABELPin
GndGnd
Gnd4
GndGnd
Gnd3
Open11.55V
PANEL_VCC2
Open11.55VPANEL_VCC1
Diode CheckRunLABELPin
P2101 "Main" To
"Speaker Right”
Open12.35V
SPK2 R(-)4
Open12.35V
SPK2 -R(+)3
Open12.35VSPK2 -R(-)2
Open12.35V
SPK2 -R(+)1
Diode
Check
LABELPin
Open12.35V
--)
Open12.35V-
Open12.35V-)
Open12.35V-
Run
P2401 "Main" To
"3D Emitter”
3
Gnd2
1
Open
0.03V
3D_SYNC
GndGnd
Open5.1V
+5V_EMITTER
Diode
Check
Run
LABEL
Pin
P2200 "Main" To
"LG LOGO"
GndGndGndGnd4
Open0.69V2.19V
Logo Drive3
GndGndGndGnd2
Open3.37V3.46V3.5V_ST1
Diode CheckRunSBYLABELPin
JK8700 Jack "MAIN Board"
To "Wireless Dungle"
GndGnd0VGnd19-20
Open3.3V0.67V
IR18
GndGnd0VGnd17
1.8V3.3V0V
Wireless_TX16
1.8V3.3V0V
Wireless_RX15
GndGnd0VGnd14
1.04V3.3V0VI2C_SDA13
1.04V3.3V0V
I2C_SCL12
GndGnd0V
Gnd11
Open3.3V0Vn/c10
GndGnd0V
Gnd9
Open
3.3V
0VInterrupt8
2.38V0.3V0VDetect7
24.65V0V*24V1-6
Diode
Check
Run STBYLabelPin
Open
P205 "SMPS" To CN201
"INVERTER B"
Open2.92V0V*I-C12
Open0.37V~2.8V0V*P-DIM11
GndGndGndGnd6-10
0.424V24.7V0V24V1-5
Run STBYLabelPin
*I-
-
-
Diode
Check
P204 "SMPS" To CN1
"Inverter Main"
-C is Inverter On
(INV_ON)
I
Open0V0V
ERROR
14
Open
n/c
n/c13
Open
2.92V
0V12
Open
0.37V~2.8V
0V
Gnd
Gnd
Gnd
0.424V
24.7V
0V
24V
1-
5
Diode
Check
Label
n/c
11
Gnd
Run
STBY
Pin
*P
-DIM
*I-C
6-10
P201 "SMPS" To P8000 "MAIN"
Open0V0V
ERROR
24
Openn/cn/cn/c23
Openn/cn/cn/c22
1.3V11.88V0V12V21
Open0.37V~3.3V0VP- D IM20
1.29V11.88V0V12V19
Open2.92V0VINV -ON18
1.29V11.88V0V12V17
Openn/cn/cn/c16
GndGndGndGnd13-15
Open3.41V3.45V3.5V9-12
GndGndGndGnd5-8
0.424V24.7V0V24V2-4
1.68V3.31V0VPWR-ON1
Diode
Check
Run STBYLabelPin
-
-
P205 "SMPS" To CN201
"Inverter Secondary"
Open2.92V0V*I-C12
Open0.37V~2.8V0V*P-DIM11
GndGndGndGnd6-10
0.424V24.7V0V24V1-5
Run STBYLabelPin
-
-
Diode
Check
GndGndGnd4
GndGnd
Gnd3
Open2
Open
1
RunLABELPin
GndGnd
GndGnd
Open11.55VPANEL_VCC
Open11.55V
PANEL_VCC
Diode
Check
P803 "T-
CON" to P7802 "Main"
P804 “TCON" to
P7803 "Main Board"
GndGnd
Gnd6
Open3.32V
E_TDI5
Open0.35V
E_TMS4
Open3.33V
E_TDO3
Open0V
E_TCK2
GndGndGnd1
Diode
RunLABELPin
P2000 "MAIN Board" To J4 "Ft
IR" for Motion Remote Sensor
GndGndGnd8
Open2.98VDD7
Open2.98VDC6
Open3.05V
M_RFModule_Reset5
Open3.3V
M_REMOTE_TX
4
Open3.3V
M_REMOTE_RX
3
GndGnd
Gnd
2
0.51V3.33V
3.3V_Normal
1
Diode CheckRun LabelPin
28
*50
(1.6V) with 3D source
5.5V p/p 60 Hz
3D-Sync