LG 50PJ250-SA (CHASSIS:PB02A) Service Manual ▷ View online
Customer Oriented R&D
Breakthrough
GP2 I2C MAP
AMP
TAS5709
0x36
AMP
TAS5709
0x36
TGPIO2/I2C_CLK
TUNER
LGIT HN(LGT10)
0xC2(PLL)/0x10(Analog Demod)
TUNER
LGIT HN(LGT10)
0xC2(PLL)/0x10(Analog Demod)
TGPIO3/I2C_SDA
(R3)
(T3)
TGPIO0
TGPIO1
TGPIO1
(U1)
(U2)
(U2)
NVRAM
0xA0
NVRAM
0xA0
DDCDA_CK/GPIO23
DDCR_CK/GPIO72
DDCR_DA/GPIO71
DDCR_DA/GPIO71
(N22)
(M22)
(M22)
<I2C-SCL>
<I2C-SDA>
<SCL1>
<SDA1>
<TU_SCL>
<TU_SDA>
<TU_SDA>
HDCP EEPROM
0xA8
HDCP EEPROM
0xA8
+3.3V_TU
+3.3V
+3.3V
/+3.3V_NEC_ST
/+3.3V_NEC_ST
CH 6
DEMOD.(BRAZIL)
MN884433
0xD8
DEMOD.(BRAZIL)
MN884433
0xD8
CH 2
PDP MODULE
0x1C
PDP MODULE
0x1C
CH 5
MICOM
UPD78F0513
0x52
MICOM
UPD78F0513
0x52
DDCDA_DA/GPIO24
DDCDB_CK/GPIO25
DDCDB_DA/GPIO26
EEPROM
HDMI1
0XA0
EEPROM
HDMI1
0XA0
DDCDD_CK/GPIO29
(B4)
(C4)
(C4)
<DDC_SCL3>
<DDC_SDA3>
<DDC_SDA3>
5V_HDMI_1
/+5.0V
/+5.0V
DDCDD_DA/GPIO30
CH 12
EEPROM
HDMI1
0XA0
EEPROM
HDMI1
0XA0
DDCDC_CK/GPIO27
(AA4)
(AB4)
(AB4)
<DDC_SCL4>
<DDC_SDA4>
<DDC_SDA4>
5V_HDMI_Side
/+5.0V
/+5.0V
DDCDC_DA/GPIO28
CH 11
EEPROM
M24C16
0x?
EEPROM
M24C16
0x?
EEPROM
RGB
0XA0
EEPROM
RGB
0XA0
DDCA_CK/UART0_RX
(N22)
(M22)
(M22)
<RGB_DDC_SCL>
<RGB_DDC_SDA>
<RGB_DDC_SDA>
+5V_ST
DDCA_DA/UART_TX
CH 8
I2S_IN_WS/GPIO174
(F15)
(F14)
(F14)
<SUB_SCL_NEC_TEMP>
<SUB_SDA_NEC_TEMP>
<SUB_SDA_NEC_TEMP>
+3.3V
I2S_IN_BCK/GPIO175
CH 7
SATURN 7
SUB I2C
Touch Eye’
0x70
SUB I2C
Touch Eye’
0x70
Customer Oriented R&D
Breakthrough
Module Rom download UART
Input
MOD_ROM_RX
50
SIDE_CVBS Auto link
Input
SIDE_CVBS_DET
TCON8/CS2
/FLK3
Compnent2 Auto link
Input
COMP2_DET
176
AV_CVBS Auto link
Input
AV_CVBS_DET
17
Demodulator Reset
Output
DEMOD_RESET
16
TUNER_RESET
Output
TUNER_RESET
15
USB1_5V Power Control
Output
USB1_CTRL
7
USB1_OCD
input
USB1_OCD
5
Module Rom download UART
Output
MOD_ROM_TX
51
Compnent1 Auto link
Input
COMP1_DET
40
HDMI_1 5V Detect
Input
5V_DET_HDMI_3
TCON6/FLK
HDMI Side 5V Detect
Input
5V_DET_HDMI_4
TCON4/CPV
//GSC_R/G
CLK3
(HDMI3 Ready) HDMI 5V Detect
Input
5V_DET_HDMI_2
TCON2/GSP
_R/GCLK1
Model option 2/RF_SWITCH_CTL
Input/Output
Model_OPT_2
14
Model option 1 /FE_BOOSTER_CTRL
Input/Output
Model_OPT_1
11
Model option 0
Input
Model_OPT_0
42
Model option 3
Input
Model_OPT_3
32
D-Sub Auto link check
Input
DSUB_DET
31
Chip configuration
Input
PWM1
67
Chip configuration
Input
PWM0
66
Description
Direction
Signal Name
GPIO
GPIO Structure
Customer Oriented R&D
Breakthrough
P
O
w
E
R
B
O
A
R
D
R
D
P_+5V
IC500
(3.3V Reg)
+3.3V_ST
R508
+3.3V_NEC_ST
L502
L900
IR PART
IC900
(RS232C DRV)
IC502
(DCDC)
+1.5V_DDR_IN
L1201
VCC_1.5V_DDR
IC1201,1202
(DDR3)
A-MVREFDQ
AP2121/
0.3A
:$0.048
IC100
MSTAR (S7)
STBY
Instant Boot
GP2 BRAZIL LOW Power Map
IC108
NEC MICOM
IC105
DEBUG S/W
MVREF
L301
AVDD_DDR1_1.5
R1201
Multi Power
+5V
IC504 (LDO)
L514
L702
+3.3V_AVDD
+1.26V_VDDC
L310
VDD33_DVI
L308
AVDD_NODIE_3.3
L309
VDD33_3.3
L318
AVDD_DMPLL_3.3
L314
L316
L316
AU33_3.3
FRC_LPLL_3.3
TU1300(TUNER)
IC700(TAS5709)
IC102,9(EEPROM)
IC103(Serial Flash)
IC104(NAND Flash)
+3.3V
IC505 (REG)
+2.5V_AVDD
L303
AVDD2P5_2.5
L304
L305
L305
L306
AVDD25_PGA_2.5
AU25_2.5
ADC2P5_2.5
AU25_2.5
ADC2P5_2.5
L102
L609
+3.3V_DE
IC602
(MN884433)
IC600(REG)
+1.2V_DE
L1301
L321
+1.26V_MIU1VDDC
L324
+1.26V_MIU0VDDC
L323
VDDC
TU1300(TUNER)
+7V
P_17V
+5V_TU
IC507(DCDC)
IC506(LDO)
<TUNER 5V >
TU700(TAS5709)
P_17V
M
ult
i P
ow
ow
er
19mA
+5V_ST
58mA
(ST_BY시)
Instant boot Ready
659mA
601mA
355mA
L300
AVDD_DDR0_1.5
VDD33_3.3
L703
IC700(TAS5709)
+3.3V_DVDD
+3.3V_AU_AVDD
USB REAR (SVC)
+3.3V
801,802,804
(HDMI EEPROM)
IR PART
IC901(RGB EEPROM)
L501
IC107
MICOM EEPROM
R1204
R1224
R1227
R1224
R1227
A-MVREFCA
B-MVREFCA
B-MVREFDQ
R300
L1300
TU1300(TUNER)
L507
L1100
IC1000(NAND GATE)
SPDIF
L901
Q501 (TR)
IC1101(USB S/W)
IC504 (DCDC)
L505
HDMI CEC
Customer Oriented R&D
Breakthrough
1.
Power-Up Boot Fail Trouble Shooting
2.
No OSD Trouble Shooting
3.
Digital TV Video Trouble Shooting
4.
Analog TV Video Trouble Shooting
5.
Component Video Trouble Shooting
6.
RGB Video Trouble Shooting
7.
AV Video Trouble Shooting
8.
HDMI Video Trouble Shooting
9.
All Source Audio Trouble Shooting
10.
Digital TV Audio Trouble Shooting
11.
Analog TV Audio Trouble Shooting
12.
Component / RGB / AV Audio Trouble Shooting
13.
HDMI Audio Trouble Shooting
14.
USB Trouble Shooting
Trouble Shooting Guide for LG Service Man
Please check system, after power Off/On one time
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