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LG 27BK67U Скачать руководство пользователя страница 12

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12

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Copyright ©

LG Electronics Inc. All rights reserved.

Only training and service purposes.

6.

Signal

composition

for

adjustment

6.1

I2C

(100K

BPS)

6.2

COMMUNICATION

START

START

6E

A

STOP

50Ms

#Until

ACK

BIT

goes

LOW,

Repeat

it.

6.3

Command

form.

Command

form

use

DDC2AB

standard

communication

protocol.

START

6E

A

50

A

LEN

A

03

A

CMD

A

00

A

VAL

A

CS

A

STOP

a.

LEN

:

DATA

BYTE

number

to

send.

b.

CMD

:

Command

language

that

monitor

executes.

c.

VAL

:

FOS

DATA

d.

CS

:

Dada’s

CHECHSUM

that

transmit

e.

DELAY

:

50MS

f.

A

:

Acknowledge

6.4

Screen

adjust

command

(LENGTH

=

84)

Adjustment contents

CMD(hex)

ADR

VAL(hex)

Explanation

EEPROM ALL INITIAL

E4

00

00

adjustment Initialization

EEPROM READ

E7

Slave add

At EEPROM Read

EEPROM WRITE

E8

Slave add

Data

Write data at EEPROM

R GAIN

16

00

00-64

Tune Gain

G GAIN

18

00

00-64

B GAIN

1A

00

00-64

BRIGHT(Backlight)

10

00

00-64

Tune Analog Bright

FACTORY RESET

F0

00

00

Factory reset

AUTO_COLOR_ADJUST F1

00

0

AUTO COLOR Tuning

0:Auto color

COLOR_MODE_CHANGE

F2

00

01

6500K

02 9300K

Elapsed time Clear

E9

00

00

Aging off &Clear elapsed time

Aging On/Off

F3

00

FF/00

FF:ON / 00:OFF

Input Select

F4

00

0x90
0x91

0xD0

0x90 : HDMI1
0x91 : HDMI2
0xD0 : DP

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Содержание 27BK67U

Страница 1: ...NG THE CHASSIS READ THE SAFETY PRECAUTIONS IN THIS MANUAL SERVICE MANUAL Copyright 2018 LG Electronics Inc All rights reserved Only training and service purposes CONFIDENTIAL P NO MFL70211506 1807 REV00 LED MONITOR SERVICE MANUAL LM8BA 27BK67U ...

Страница 2: ...ctronics Inc All rights reserved Only training and service purposes CONTENTS 2 SAFETY PRECAUTIONS 3 SPECIFICATION 4 ADJUSTMENT INSTRUCTION 6 BLOCK DIAGRAM 7 EXPLODED VIEW 8 DISASSEMBLY 9 TROUBLE SHOOTING GUIDE 11 CONTENTS ...

Страница 3: ...l shock Leakage Current Cold Check Antenna Cold Check With the instrument AC plug removed from AC source connect an electrical jumper across the two AC plug prongs Place the AC switch in the on position 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 meta...

Страница 4: ... L R Color Black Length 0 2 0 01m Weight 0 02kg 10 Color Black Length 1 5 0 05m Weight 0 062kg 10 Color Black 1 CABLE 90Ω 15Ω 2 CONNECTOR 90Ω 10Ω Length 1 50m 0 05m Phone to RS 232 USB C To C Cable Impedance Applying model 27UK670 P N EAD63932604 Refer to BOM Applying model 27UK670 27BK67U Do not provide Length 1 50m 0 05m Weight 0 136kg 10 Color Black 1 CABLE 100Ω 5Ω 2 CONNECTOR 100Ω 10Ω HDMI Len...

Страница 5: ...nc C H Pixels 45 1650 1280 110 40 220 V Lines 60 750 720 5 5 20 H Pixels 49 702 1680 1280 72 128 200 V Lines 59 81 831 800 3 6 22 H Pixels 63 981 1688 1280 48 112 248 V Lines 60 02 1066 1024 1 3 38 H Pixels 60 1800 1600 24 80 96 V Lines 60 1000 900 1 3 96 H Pixels 67 5 2200 1920 88 44 148 V Lines 60 1125 1080 4 5 36 H Pi l 133 32 2080 1920 48 32 160 1600 x 900 8 108 1920 x 1080 9 148 5 1280 x 800 ...

Страница 6: ...es 60 750 720 5 5 20 H Pixels 49 702 1680 1280 72 128 200 V Lines 59 81 831 800 3 6 22 H Pixels 63 981 1688 1280 48 112 248 V Lines 60 02 1066 1024 1 3 38 H Pixels 60 1800 1600 24 80 96 V Lines 60 1000 900 1 3 96 H Pixels 67 5 2200 1920 88 44 148 V Lines 60 1125 1080 4 5 36 H Pixels 133 29 2080 1920 48 32 160 V Li 60 2222 2160 54 5 3 10 277 25 1920 x 2160 8 108 1600 x 900 9 148 5 1920 x 1080 6 83 ...

Страница 7: ...Specification Standard 2 5 Reserve after operation Above 5 Minutes Heat Run Temperature at 25 5 C Relative humidity 65 10 Input voltage 100 240V 50 60Hz 2 6 Adjustment equipments Color Analyzer CA 210 or CA 110 DDC Adjustment Jig equipment 3 Main PCB check process SMT APC After Manual Insult executing APC 3 1 ADC Process 27UK670_27BK67U doesn t need ADC process because it has only digital input li...

Страница 8: ...f the HDCP Key is NG the color of background will be Red and if OK its color will be White as below picture 4 3 Set Automatic Standby time a Set Automatic Standby time by adjustment jig equipment Europe 4H Others OFF Command set F7 00 01 for Europe set 4h F7 00 00 for others set 0ff b Check the Automatic Standby time setting value by adjustment jig equipment Please check the value of 0xA6 0xEE add...

Страница 9: ...om mode outgoing condition Aging Time min x y 2 0 319 0 339 4 0 318 0 338 8 0 318 0 337 10 0 317 0 336 25 0 316 0 333 40 0 315 0 331 255 0 313 0 329 Note Manual W B process 1 When in DC Off Condition 2 Press left button 3 times and then right button 1 times press power button 3 Press Menu right side of OSD button and can see Service Menu 4 6 Check HDR Don t support Before the factory calibration c...

Страница 10: ...ff 0 3W DC Switch Off 5 Shipping condition Æ Make sure to do FACTORY RESET at the final process No Item Content Outgoing Condition 비고 Accessory Refer to BOM And General specification 3page Full accessory list is included in general specification 2 Outgoing Conditio n Quick Settings Brightness 85 Contrast 70 Volume 30 Color Temp Custom Input Input List HDMI1 Input Save ad last condition Aspect Rati...

Страница 11: ...amma Mode 2 Color Temp Custom Red 50 Green 50 Blue 50 Six Color Hue Saturation 50 Picture Reset No General Language Depend on the sale region Smart Energy Saving Low Power LED Off Automatic Standby Off EU EK PD EW MA 4H DisplayPort1 2 Enable Buzzer On OSD Lock Off OSD Size Small Deep Sleep Mode Off Information OK Reset No ...

Страница 12: ... e DELAY 50MS f A Acknowledge 6 4 Screen adjust command LENGTH 84 Adjustment contents CMD hex ADR VAL hex Explanation EEPROM ALL INITIAL E4 00 00 adjustment Initialization EEPROM READ E7 Slave add At EEPROM Read EEPROM WRITE E8 Slave add Data Write data at EEPROM R GAIN 16 00 00 64 Tune Gain G GAIN 18 00 00 64 B GAIN 1A 00 00 64 BRIGHT Backlight 10 00 00 64 Tune Analog Bright FACTORY RESET F0 00 0...

Страница 13: ... Polish 0A Russian 0B Greek 0C Ukrainian 0D Chinese 0E Japanese 0F Korean 11 Traditional Chinese EDID SN UPDATE 0x77 0 0x00 Update all input s serial data APD command 0xF7 00 0x00 0x01 0x00 OFF 0x01 set APD time to 4h Module selection F6 0x31 LM270WR3 SSA1 Default 0x36 MV270QUM N20 HDCP 2 2 write F9 00 00 Write HDCP 2 2 key HDCP 2 2 read F8 data Read HDCP 2 2 key Send Serial data 75 data Send 24 b...

Страница 14: ...ite Use FOS Default write 14mode data write SyncFlags HPeriodH HPeriodL VtotalH VtotalL SrcHTotalH SrcHTotalL SrcHStartH SrcHStartL SrcVStartH SrcVStartL HsyncPhase Temporary Data write Write to particular address of EEPROM 6 6 E2 PROM Data Read 6 6 1 Signal TABLE 128 Bytes 6 6 2 COMMAND SET No Adjustment contents CMD hex ADH hex ADL hex Explanation 1 EEPROM READ E7 A0 0 0 Page 0 7F Read 2 80 0 Pa...

Страница 15: ...Page 80 FF Read 13 AC 0 6 Page 0 7F Read 14 80 6 Page 80 FF Read 15 AE 0 7 Page 0 7F Read 16 80 7 Page 80 FF Read 6 6 3 Use Read E2 PROM s specific area as unit of 128 80h byte 84h 6 6 4 EDID Write EEPROM access by using DDC2B protocol 1 Byte write STOP A L A0 D START A A L 0x00 0x7F D data 8 byte write START A0 A L A Data1 A A A STOP Data8 L 0x00 0x10 0x70 6 6 5 EDID Read DDC2B Command A0 A1 STAR...

Страница 16: ...ol Key DP TS3DV642 Switch USB Type C EDID EEPROM 내장 HP Out L R Out HP AMP USB Type A USB 3 0 MUX DP Signal PD Controller DP USB 3 0 USB HUB USB 3 0 UP USB 2 0 DN for Billboard CC communication WLED_ENABLE WLED_ADIM Flash Memory 8MBIT SPI HDMI 2 0 E DP DC DC USB3 0 2 0 DN VBUS 5V 0 9A Sub Micom LPC11U68JBD48 DP1 2 USB Type A USB 3 0 I2C for Scaler FW update USB 2 0 UP I2C for PD Controller update I...

Страница 17: ... in this chassis have special safety related characteristics These parts are identified by in the EXPLODED VIEW It is essential that these special safety parts should be replaced with the same components as recommended in this manual to prevent Shock Fire or other Hazards Do not modify the original design without permission of manufacturer IMPORTANT SAFETY NOTICE 310 500 520 ...

Страница 18: ...r Replace X100 N Check C701 Voltage Level 19V Check Power connector OK Replace Adapter Y N Y Check IC703 Output Voltage Level 3 3V Replace IC703 Recheck Y N Check X100 Clock 27MHz Check IC701 702 Output Voltage Level 5V Replace IC701 702 Recheck N Y Replace IC107 Flash Memory Y Y Check IC705 Output Voltage Level 2 5V 1 2V Replace IC705 Recheck N ...

Страница 19: ... Driver IC Y N N Check Panel Power 10V L700 Check IC700 Output 10V Replace IC700 Recheck Y N Check Panel eDP AUX P300 9 10 36 37 Check IC300 IC303 Repair Main B D Y N Check FFC Cable for Damage or Open Conductors Check LED Driver Output P601 P602 1 2 5 6 Replace T Con Board or Module Y Check P201 PIN No 69 Replace G SYNC Module N Check WLED_ENABLE High IC601 IC602 27pin Y Replace G SYNC Module N ...

Страница 20: ...Replace the G SYNC Module Check input signal format Is it supported Check JK102 for proper connection or Damage Replace the Connector N Y Check HDMI Cable for Damage or Open Connector Y Check I2C Signal EDID Replace the IC100 N Y Check IC102 AUX Signal J1 H1 Replace the IC102 N Y Check IC103 AUX Signal 3 4 Replace the IC103 N Y Y ...

Страница 21: ...urposes 4 No Video DP Replace the G SYNC Module Check input signal format Is it supported Check JK101 for proper connection or Damage Replace the Connector N Y Check DP Cable for Damage or Open Connector Y Check IC101 AUX Signal 29 30 Replace the IC101 N Y Y Check IC103 AUX Signal 3 4 Replace the IC103 N Y ...

Страница 22: ...ELD 3 DATA2 16 SDA 7 DATA0 6 DATA1 15 SCL HDMI1_RXC JK101 HDM2LB 19BG2RN3G 14 NC 13 CEC 5 DATA1_SHIELD 20 SHIELD 12 CLK 11 CLK_SHIELD 2 DATA2_SHIELD 19 HPD 18 5V_POWER 10 CLK 4 DATA1 1 DATA2 17 DDC CEC_GND 9 DATA0 8 DATA0_SHIELD 3 DATA2 16 SDA 7 DATA0 6 DATA1 15 SCL C106 0 1uF 16V DP_RX3P HDMI1_RX2 DP_RX1N R132 10K HDMI_SELECTION AR106 5 1 DP_RX2N HDMI2_HPD AR107 5 1 DP_RX1P R100 10K HDMI1_SCL R11...

Страница 23: ...AVDDL_PREDRV_1 119 GND_16 120 AVDDL_MOD_1 121 NC_4 122 NC_5 123 NC_6 124 NC_7 125 AVDD_MOD_1 126 GND_17 127 NC_8 128 NC_9 129 NC_10 130 NC_11 131 NC_12 132 NC_13 133 NC_14 134 NC_15 135 AVDD_MOD_2 136 AVDDL_PREDRV_2 137 GND_18 138 AVDDL_MOD_2 139 NC_16 140 NC_17 141 NC_18 142 NC_19 143 NC_20 144 NC_21 145 NC_22 146 NC_23 147 NC_24 148 NC_25 149 NC_26 150 NC_27 151 VDD_6 152 AVDD_LPLL 153 GND_19 15...

Страница 24: ...6V C217 10uF 10V OPT C167 0 1uF 16V C184 10uF 10V C181 10uF 10V OPT 1 15V_VDD C182 10uF 10V OPT C245 0 1uF 16V C169 0 1uF 16V C134 0 1uF 16V C219 10uF 10V OPT C130 0 1uF 16V C194 0 1uF 16V C191 0 1uF 16V C123 10uF 10V C131 0 1uF 16V C136 0 1uF 16V 1 8V_DDR AVDD_ADC C176 10uF 10V C246 0 1uF 16V C196 0 1uF 16V AVDD_HRX0 C133 0 1uF 16V C192 0 1uF 16V C142 0 1uF 16V 1 15V_VDD_DDR_B C129 1uF 10V OPT C2...

Страница 25: ...LZ_1 8V R424 10K R413 15K C415 0 1uF 50V C424 4 7uF 25V 10V_PANEL C418 0 1uF 16V JP403 PANEL_ON R419 100 R414 51K C434 10uF 10V C432 0 1uF 16V 19V R423 1K JP401 R431 1 5K 1 C430 0 1uF 16V ZD402 2 5V C409 0 1uF 50V C421 0 1uF 50V OPT PD_CTL_DDR C435 10uF 10V R404 10K R420 10K OPT JP405 ZD401 2 5V 19V JP404 JP402 PD_CTL R427 150K 1 C402 10uF 10V C433 10uF 10V C417 0 1uF 50V C428 22uF 16V OPT R432 3 ...

Страница 26: ...AKER 0 1 8W R536 1K C567 0 47uF 50V OPT R569 3 3 SPEAKER R540 1K JP516 VA502 OPT 10pF 18V C583 0 022uF 16V SPEAKER JP510 R529 16K R564 4 7K SPEAKER C545 1uF 10V Q506 SSM3J332R S G D C588 390pF 50V SPEAKER JP507 JP509 3 3V_HP 19V_AMP AMP_RESET_N 3 3V_AMP VA503 OPT 10pF 18V Q504 SSM3J332R SPEAKER S G D C581 0 1uF 16V SPEAKER JP517 Q501 2N3904S SPEAKER E B C JP508 C577 0 1uF 16V SPEAKER Q503 2N3904S ...

Страница 27: ...E_LGD_COMMON C640 33uF 100V 55TO 105C BOE_LGD_COMMON C608 0 47uF 50V OPT R656 5 1 OPT R637 100 R621 0 OPT R654 5 1 OPT R627 100 R655 5 1 OPT C637 1uF 50V C633 4 7uF 25V R650 0 1 1W 1 R653 5 1 OPT 5V_STANDBY C605 1uF 25V OPT WLED_ENABLE R634 220K 1 R632 0 WLED_PDIM C624 0 1uF 50V R645 0 OPT D600 100V BR210 OPT C631 4 7uF 25V IC600 MP3378E mask revison OPT 3 ISET 2 OSC 4 ADIM 1 GND1 6 LED3 5 LED4 7 ...

Страница 28: ...24K 1 R710 1M 1 3 3V_C R736 0 C702 0 1uF 16V TYPE C_VBUS_UP TYPE C_USB_H_N R703 2 2 TYPE C_USB_H_P C722 0 01uF 25V R705 4 7K OPT C704 0 1uF 16V 3 3V_C R755 10K OPT R744 0 OPT TEST POINT USBDN_DM1 R700 10K R742 10 R741 10 USB_SSRXM_DN1 OCS_DN1 C701 0 1uF 16V USB_SSRXP_DN2 EN_DN2_PWR OCS_DN2 JP701 C733 0 01uF 25V R734 1K OPT R725 10K OPT USB_SSTXP_DN2 R728 10K OPT C703 0 1uF 16V R730 10K OPT USBDN_D...

Страница 29: ...C_USB_H_N P804 12507WS 06L DEBUG 1 2 3 4 5 6 7 R810 0 R888 1M C814 4 7uF 25V TYPE C_USB_H_P R812 1M TYPE C_CRX2P C812 1uF 10V R897 3 3K R801 1M OPT TYPE C_CTX1N R806 0 R834 0 OPT 3 3V_C USBPD_PP_HV DP_CFG TYPE C_USB3_TX0P TYPE C_CRX2P R881 1M SSEQ TYPE C_CSBU2 R869 100K 3 3V_C TYPE C_CSBU1 R898 3 3K R854 0 01 1W 1 3 3V_C R835 0 OPT USBPD_AMSEL TYPE C_CC2 Q801 AON7430 3 S_3 2 S_2 4 G 1 S_1 5 D R825...

Страница 30: ...5 ILIM C910 22uF 16V C914 1uF 10V R910 18K 1 C916 22uF 16V C999 1uF 10V C981 0 1uF 16V IC907 MP2315S 3 SW 2 IN 4 GND 1 AAM 5 BST 6 EN 7 VCC 8 FB C975 4 7uF 25V R989 100 C977 0 1uF 50V C983 10uF 10V L909 10uH R992 3 3K 1 R990 150K R993 14K 1 R991 75K 1 R994 1K OPT R985 5 1K 1 C978 0 1uF 50V R986 100K 19V R987 100 C976 10uF 35V OPT USB_5V R988 15K OPT ZD907 5 6V OPT C980 0 1uF 50V OPT C979 0 1uF 16V...

Страница 31: ...OM_SWDIO TI_PD_SCL C1003 0 1uF 16V IC1000 LPC11U68JBD48 1 RTCXOUT 2 VSS_1 3 RESET PIO0_0 4 PIO0_1 5 VSS_2 6 PIO2_0 XTALIN 7 PIO2_1 XTALOUT 8 VDD_1 9 PIO2_5 10 PIO0_20 11 PIO0_2 12 PIO2_2 13 PIO1_20 14 PIO0_3 15 PIO0_4 16 PIO0_5 17 PIO0_21 18 PIO1_23 19 USB_DM 20 USB_DP 21 PIO2_7 22 PIO1_24 23 PIO0_6 24 PIO0_7 25 PIO1_21 26 PIO0_8 27 PIO0_9 28 SWCLK PIO0_10 29 PIO0_22 30 TDI PIO0_11 31 TMS PIO0_12 ...

Страница 32: ......

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