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4. ADC Process

4-1. PC Input ADC

(1) Auto RGB Gain/Offset Adjustment

1) Convert to PC in Input-source

I2C COMMAND: 0xF4 (SELECT_INPUT) 0x00 0x60
(RGB)
cf. 0x10(TV), 0x20(AV), 0x40(COMPONENT),
0x60(RGB), 0x90(HDMI)

2) Signal equipment displays

Output Voltage : 700 mVp-p
Impress Resolution XGA (1024 x 768 @ 60Hz)
Model : 60 in Pattern Generator
Pattern : 29 in Pattern Generator (MSPG-925 SERISE)

[gray pattern that left & right is black and center is white
signal (Refer below picture)].

3) Adjust by commanding AUTO_COLOR_ADJUST(0xF1)

0x00 0x02 instruction.

(2) Confirmation

1) We confirm whether “0xB6(RGB)” address of EEPROM

“0xA2” is “0xAA” or not.

2) If “0xB6(RGB)” address of EEPROM “0xB2” isn’t “0xAA”,

we adjust once more

3) We can confirm the ADC values from

“0xB0~0xB5(RGB)” addresses in a page “0xA2”

[

Manual ADC process using Service Remocon. After enter

Service Mode by pushing “ADJ” key, execute “ADC Adjust” by
pushing “

” key at “0. ADC CALIBRATION “.

4-2. COMPONENT Input ADC

(1) Component Gain/Offset Adjustment

1) Convert to Component in Input-source

I2C COMMAND : 0xF4 (SELECT_INPUT) 0x00 0x40
(COMPONENT)
cf. 0x10(TV), 0x20(AV), 0x40(COMPONENT),
0x60(RGB), 0x90(HDMI)

2) Signal equipment displays

Impress Resolution 480i
MODEL : 209 in Pattern Generator(480i Mode)
PATTERN : 8 in Pattern Generator(MSPG-925 SERISE)

3) Adjust by commanding AUTO_COLOR_ADJUST(0xF1)

0x00 0x02 instruction

4) Signal equipment displays

Impress Resolution 1080i
MODEL : 223 in Pattern Generator(1080i Mode)
PATTERN : 8 in Pattern Generator(MSPG-925 SERISE)

5) Adjust by commanding AUTO_COLOR_ADJUST(0xF1)

0x00 0x02 instruction

[

Manual ADC process using Service Remocon. After enter

Service Mode by pushing “ADJ” key, execute “ADC Adjust” by
pushing “

” key at “0. ADC CALIBRATION”.

LGE Internal Use Only

ADJUSTMENT INSTRUCTIONS

Содержание 50PG30 Series

Страница 1: ...N BEFORE SERVICING THE CHASSIS READ THE SAFETY PRECAUTIONS IN THIS MANUAL CHASSIS PU84C MODEL 50PG30 50PG30F UA CANADA http biz lgservice com USA http www lgservice com http biz lgservice com Internal Use Only CH VOL MENU INPUT ENTER ...

Страница 2: ... switch in the on positioin connect one lead of ohm meter to the AC plug prongs tied together and touch other ohm meter lead in turn to each exposed metallic parts such as antenna terminals phone jacks etc If the exposed metallic part has a return path to the chassis the measured resistance should be between 1MΩ and 5 2MΩ When the exposed metal has no return path to the chassis the reading must be...

Страница 3: ... Only for training and service purposes LGE Internal Use Only SPECIFICATIONS 4 ADJUSTMENT INSTRUCTIONS 5 TROUBLE SHOOTING GUIDE 11 BLOCK DIAGRAM 42 EXPLODED VIEW 44 EXPLODED VIEW PARTS LIST 45 SCHEMATIC DIAGRAM 46 PRINTED CIRCUIT BOARDS 54 TABLE OF CONTENTS ...

Страница 4: ...mperature Storage Humidity 50PG10 50PG10 UA NS 50PDP 09 50PG1DD UA MODELS 50PG30 50PG30F UA 60PG30 60PG30F UA 48 2 x 33 4 x 14 3 inches 1224 7 x 849 0 x 364 0 mm 48 2 x 31 1 x 3 2 inches 1224 7 x 790 0 x 83 6 mm 91 4 pounds 41 5 kg 83 9 pounds 38 1 kg 50PG20 50PG20 UA 50PG20C 50PG20C UA 48 2 x 33 4 x 14 3 inches 1224 7 x 849 0 x 364 0 mm 48 2 x 31 1 x 3 3 inches 1224 7 x 790 0 x 86 0 mm 90 8 pound...

Страница 5: ...eiver must be operated prior to the adjustment O Enter into HEAT RUN MODE 1 Press the POWER ON KEY on R C for adjustment 2 Press the ADJ KEY on R C and enter EZ ADJUST Select 4 White Pattern by using D E CH and select White by using F G VOL Set is activated HEAT run without signal generator in this mode Single color pattern RED BLUE GREEN of HEAT RUN MODE uses to check panel Caution If you turn on...

Страница 6: ... enter Service Mode by pushing ADJ key execute ADC Adjust by pushing G key at 0 ADC CALIBRATION 4 2 COMPONENT Input ADC 1 Component Gain Offset Adjustment 1 Convert to Component in Input source I2C COMMAND 0xF4 SELECT_INPUT 0x00 0x40 COMPONENT cf 0x10 TV 0x20 AV 0x40 COMPONENT 0x60 RGB 0x90 HDMI 2 Signal equipment displays Impress Resolution 480i MODEL 209 in Pattern Generator 480i Mode PATTERN 8 ...

Страница 7: ...turning VR902 voltage of D M M adjustment as same as Va voltage which on label of panel right top deviation 0 5V 2 50 Vs Adjustment refer fig 1 1 Connect terminal of D M M to Vs pin of P802 connect terminal to GND pin of P802 2 After turning VR901 voltage of D M M adjustment as same as Vs voltage which on label of panel right top deviation 0 5V 3 42 Va Adjustment refer fig 2 1 After receiving 100 ...

Страница 8: ...o GND pin of P11 3 After turning VR901 voltage of D M M adjustment as same as Va voltage which on label of panel right top deviation 0 5V 6 60 Vs Adjustment refer fig 3 1 Connect terminal of D M M to Vs pin of P11 connect terminal to GND pin of P11 2 After turning VR951 voltage of D M M adjustment as same as Vs voltage which on label of panel right top deviation 0 5V ADJUSTMENT INSTRUCTIONS v VS G...

Страница 9: ...tically through RS 232C PC for communication through RS 232C UART baud rate 115200 bps O EDID Download Protocol RS 232C O HDMI 1 EDID DATA O HDMI 2 EDID DATA O HDMI 3 EDID DATA O RGB EDID DATA Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ADJUSTMENT INSTRUCTIONS ...

Страница 10: ... the module less than 10cm distance keep it with the surface of the Module and Color Analyzer s Prove vertically 80 100 3 Aging time 1 After aging start keep the power on no suspension of power supply and heat run over 5 minutes 2 In case of PDP keep white pattern using inside pattern 3 In case of LCD using no signal or full white pattern or the others check the back light on O Auto Adjustment Map...

Страница 11: ...and confirm whether picture is displayed or not of using MSPG925 5 HDCP Key value is different among the sets 9 RS 232C Press In start key and select 3 Baud Rate menu Check RS 232C after changing Baud Rate 115200 10 OPTION 1 Press ADJ R C In start key and select 0 AREA OPTION 2 Select Country by using F G VOL in accordance with destination Copyright 2008 LG Electronics Inc All right reserved Only ...

Страница 13: ...UBLE SHOOTING GUIDE Power Up Boot Fail Trouble Shooting Check P701 All Voltage Level 16V 5V Check Power connector OK Replace Power board Y N Y Check IC706 2 Pin Voltage Level 2 6V Replace IC706 Recheck Y N Check X100 Clock 12MHz Replace 100 Y N Replace IC105 Flash Memory Check Q706 Output Voltage Level 5V Replace Q801 N Y ...

Страница 15: ... Only TROUBLE SHOOTING GUIDE No OSD Trouble Shooting Check P302 33 TXAC 32 TXAC 17 TXBC 16 TXBC Maybe Mstar has problems Check LVDS Cable Check PDP Module Control board Refer to Module CAS Y N Y Replace Cable N Y Check PDPVs Va Voltage Module 5V Replace Power N Check P701Disp_EN VaVs ON 5V_MNT Check GPIO Path N Y ...

Страница 16: ...3 Sec Min 100ms Min 2Frame Recommend 2 sec msec 500 90 Falling Time of Vs 90 to 10 TVsF msec 2000 600 Time interval between 90 of Vcc and 90 of Vs when Power On Ton TVsR msec 800 100 Rising Time of Vs 10 to 90 TVsR msec 300 50 Falling Time of Va 90 to 10 TVaF msec 300 10 Rising Time of Va 10 to 90 TVaR msec 20 Time interval between 10 of Vs and 90 of Vcc when Power Off TOff msec 500 Time interval ...

Страница 17: ... Check the IIC To II C Test Debug Menu IIC Test Remove R330 R334 Check each IC sharing IIC channel N Check P302 SCL SDA line SCL SDA line R330 R334 Check Signal N Y SCL continue SDA continue ACK By Slave 9 1 D0 D7 9 ACK By Slave Command Data for Addr Stop By Master D6 SCL 8 SDA 0 0 1 1 1 A7 W Start By Master Chip ID Address Byte 0x1C ACK By Slave 0 1 9 1 A6 A1 A0 Command Address Addr A 7 0 0 Write...

Страница 19: ...ble Check TP Clock Data Sync R440 R441 R442 Maybe Tuner TU400 has problems Check Mstar LVDS output 33 TXAC 32 TXAC 17 TXBC 16 TXBC Y N Check Tuner 5V Power IC703 5 Pin Replace IC703 Y N Y Maybe Mstar IC100 has problems N Y Check LD400 color Bad Tuner Replace Tuner None Yellow none Check Demodulator Input Clock X400 25MHz Replace it N Y Check PDP Module Control board Refer to Module CAS ...

Страница 21: ... purposes LGE Internal Use Only TROUBLE SHOOTING GUIDE Analog TV Video Trouble Shooting Check RF Cable Check CVBS signal TU400 16 Pin Maybe Tuner TU400 has problems Check CVBS signal C112 Y N Check Tuner 5V Power IC703 5 Pin Replace it Y N Y Replace it N Y Maybe Mstar IC100 has problems ...

Страница 23: ...Use Only TROUBLE SHOOTING GUIDE Component Video Trouble Shooting Check signal format Is it supported Check signal C833 C834 C835 C838 C839 C840 Replace it Check signal IC601 output R631 R632 R633 Y Y N Check JK602 JK603 Replace connector Y N Y Replace it N Maybe Mstar IC100 has problems Y Check Component Cable ...

Страница 25: ...e Only TROUBLE SHOOTING GUIDE RGB Video Trouble Shooting Check signal format Is it supported Check signal Hsync Vsync R673 R674 Replace it Check signal R678 R679 R680 Y Y N Check JK607 Replace connector Y N Y Replace it N Maybe Mstar IC100 has problems Y Check Signal C116 C124 C126 Replace it N Check RGB Cable Y ...

Страница 27: ...Video Trouble Shooting Check signal format Is it supported Check signal C948 Composite C991 C992 S Video Rear C949 Composite Replace it Check signal C111 Composite C109 C110 S Video Rear C174 Composite Side Y N Check JK601 Rear Check JK604 Side Replace connector Y N Y Replace it N Maybe Mstar IC100 has problems Y Check AV Cable S Video Cable Y ...

Страница 29: ...it supported Y Check J801 J802 J803 Replace connector Y N Y Check HDMI Cable Check EDID NVRAM IC801 802 804 Power I2C Signal 5 6 Replace it or re download Y N Check HDCP Key NVRAM IC102 Power I2C Signal 5 6 Replace it Y N Check IC803 Out Voltage Level 3 3V Replace it Y N Check L802 Voltage Level 3 3V Replace it Y N Check IC803 Clock Signal 26 27 Replace it Y N Maybe Mstar IC100 has problems ...

Страница 31: ...o Trouble Shooting Make sure you cant hear any audio Check Signal L919 L920 Replace it Check Signal L509 L510 L511 L512 Y N Check IC502 Power 16V 3 3V 1 8V Re check Y N Y Replace it N Check Connector JK501 Y Check Mstar I2S Output R1035 R1037 R1038 Y Replace it N Replace connector N Check speaker Y Replace speaker N Maybe NTP3000A has problems Replace it Y ...

Страница 33: ...d service purposes LGE Internal Use Only TROUBLE SHOOTING GUIDE Digital TV Audio Trouble Shooting Check video output Follow procedure All source audio trouble shooting Y Follow procedure digital TV video trouble shooting N N Maybe Mstar internal audio DSP has problems Replace it ...

Страница 35: ...GUIDE Analog TV Audio Trouble Shooting Check video output Follow procedure All source audio trouble shooting Y Follow procedure analog TV video trouble shooting N N Maybe Mstar audio block has problems Replace it Check L400 L402 voltage level 5V Replace it N Y Check SIF buffer signal Replace it N Y Check SIF signal C409 Replace it N Y ...

Страница 37: ...t JK607 RGB JK601 JK604 AV Rear AV Side Replace connector N Y Check signal R618 R619 Component1 R645 R646 Component2 R654 R655 RGB R6092 R6094 AV Rear R6090 R6096 AV Side Replace it N Y Check IC602 power 14pin 1 4pin voltage level 5V Replace it N Y Check Audio out signal IC602 2 3 9 10 Replace it or IC602 N Y Check IC100 signal C102 C103 C104 C105 C176 C182 Replace it N Y Check I2S signal R1035 R1...

Страница 39: ...Use Only TROUBLE SHOOTING GUIDE HDMI Audio Trouble Shooting Check video output Follow procedure All source audio trouble shooting Y Follow procedure HDMI video trouble shooting N N Maybe Mstar audio block has problems Replace it Check EDID NVRAM IC801 802 804 Power I2C Signal 5 6 Replace it or re download Y N ...

Страница 41: ... USB Trouble Shooting Check USB 2 0 Cable Check L801 voltage level 5V Y N Replace it Check JK804 Replace it Y N Check USB Device If device is 2 5 inch HDD Do not connect only upgrade Y Maybe Mstar has problems Y Exception USB power could be disabled by inrushing current In this case remove the device and try to reboot the TV AC power off on ...

Страница 43: ... 3 3V 3 3V_MULTI IC706 AZ1085S 2 6V_MVDD 2 6V_VDD_DDR IC705 AZ1085S 3 3V_VDDP_ST IC709 AZ1085S Adj 1 25V IC702 SC156515M 3 3V_PVSB IC701 SC4215IS 1 2V_PVSB IC715 M62320FP IC805 AZ1117 3 3V IC803 TMDS351PA G 3 3V_MST IC801 2 4 AT24C02 3ea IC601 STMAV340 IC602 74HC4066 IC603 MAX3232 IC604 AT24C02 IC502 NTP3000A IC501 AZ1117H 1 8V 1 8V_NTP 1 25V_AVDD_DVI 1 25V_VDDC IC104 Reset triger 74LVC14APW 1 2 1...

Страница 44: ...560 A2 900 Many electrical and mechanical parts in this chassis have special safety related characteristics These parts are identified by in the Schematic Diagram and EXPLODED VIEW It is essential that these special safety parts should be replaced with the same components as recommended in this manual to prevent X RADIATION Shock Fire or other Hazards Do not modify the original design without perm...

Страница 45: ... Supporter Assembly 50PG30 FHD Supp Filter Left Assy C SKD 305 MDJ42351002 Filter CUTTING ACRYL GLASS FILTER PDP 50 SKC NORMAL MESH 306 ABA36825001 Bracket Assembly WOOFER PDP 42 50 60 WOOFER SPEAKER BRACKET ASSY 400 ACQ34783521 Cover Assembly Rear 50PG30F HFD UA PB82C 50 LGERS LOCAL B C PH ASSY ATSC M STAR 401 MCK42608603 Cover Rear PRESS PCM 0 5t 50PG3 SECD EGI 50PG30 B COVER RS 3th CORE TYPEC A...

Страница 57: ...nted in Korea P NO MFL42921702 CANADA LG Electronics Canada Inc 550 Matheson Boulevard East Mississauga Ontario L4Z 4G3 USA LG Electronics Alabama Inc P O Box 240007 201 James Record Road Bldg 3 Huntsville AL 35824 ...

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