LG 26LH2000 Service Manual
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Page 11
- Auto Download • After enter Service Mode by pushing “ADJ” key, • Enter EDID D/L mode. • Enter “START” by pushing “OK” key. * Edid data and Model option download (RS232) - Manual Download * Caution 1) Use the proper signal cable for EDID Download - Analog EDID : Pin3 exists - Digital EDID : Pin3 exists - Never connect HDMI & D-sub Cable at the same time. - Use the proper cables below for EDID Writing - Download HDMI1, HDMI2, separately because HDMI1 is different from HDMI31) Analog Data 128Byte (2Bi) 2)...
Page 12
- 12 -LGE Internal Use Only Copyright ©2010 LG Electronics. Inc. All right reserved. Only for training and service purposes 4.5. V-COM Adjust(Only 37/42/47LH4000-ZA) - Why need Vcom adjustment? AThe Vcom (Common Voltage) is a Reference Voltage of Liquid Crystal Driving. -> Liquid Crystal need for Polarity Change with every frame. - Adjust sequence · After enter Service Mode by pushing “ADJ” key. · Enter V-Com Adjust mode by pushing “ G” key at “10. V- Com” · As pushing the right or the left button on...
Page 13
![Page 13
- 13 -LGE Internal Use Only
Copyright LG Electronics. Inc. All right reserved.
Only for training and service purposes
300
200
801
802
803
804
805
806
520
530
540
550
400
900
120
510
500
320
310
LV 1
A2
A5
A10
Option
Option Option
EXPLODED VIEW
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...](http://img.usermanuals.tech/thumb/47/38658/w300_LG_26LH2000_Service_Manual-12.png "Page 13
- 13 -LGE Internal Use Only
Copyright LG Electronics. Inc. All right reserved.
Only for training and service purposes
300
200
801
802
803
804
805
806
520
530
540
550
400
900
120
510
500
320
310
LV 1
A2
A5
A10
Option
Option Option
EXPLODED VIEW
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...")
- 13 -LGE Internal Use Only Copyright LG Electronics. Inc. All right reserved. Only for training and service purposes 300 200 801 802 803 804 805 806 520 530 540 550 400 900 120 510 500 320 310 LV 1 A2 A5 A10 Option Option Option EXPLODED VIEW 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...
Page 14
![Page 14
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
PCM_A[0]
PCM_A[1]
PCM_A[2]
PCM_A[3]
PCM_A[4]
PCM_A[5]
PCM_A[6]
PCM_A[7]
PCM_A[7]
PCM_A[6]
PCM_A[5]
PCM_A[4]
PCM_A[0] PCM_A[1] PCM_A[3]
PCM_A[2]
PCM_A[8]
PCM_A[9]
PCM_A[10]
PCM_A[12]
PCM_A[13] PCM_A[11]...](http://img.usermanuals.tech/thumb/47/38658/w300_LG_26LH2000_Service_Manual-13.png "Page 14
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
PCM_A[0]
PCM_A[1]
PCM_A[2]
PCM_A[3]
PCM_A[4]
PCM_A[5]
PCM_A[6]
PCM_A[7]
PCM_A[7]
PCM_A[6]
PCM_A[5]
PCM_A[4]
PCM_A[0] PCM_A[1] PCM_A[3]
PCM_A[2]
PCM_A[8]
PCM_A[9]
PCM_A[10]
PCM_A[12]
PCM_A[13] PCM_A[11]...")
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. PCM_A[0] PCM_A[1] PCM_A[2] PCM_A[3] PCM_A[4] PCM_A[5] PCM_A[6] PCM_A[7] PCM_A[7] PCM_A[6] PCM_A[5] PCM_A[4] PCM_A[0] PCM_A[1] PCM_A[3] PCM_A[2] PCM_A[8] PCM_A[9] PCM_A[10] PCM_A[12] PCM_A[13] PCM_A[11]...
Page 15
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. MAIN_2SC1_CVBS_IN E21;9:O4 FE_VMAIN 10:AA8 AV_CVBS_IN 4:M2 SC1_R_IN 9:J12 SC1_FB 9:O6 SC1_L_IN 9:J10 SCART1_Rout9:T14 SCART1_Lout 9:S12 SPDIF_OUT 4:T11 HP_ROUT 7:G21 HP_LOUT 7:G19 SCART2_Lout 9:AM13...
Page 16
![Page 16
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
DDR2SDDR_A[12] SDDR_A[11]
SDDR_A[10]
SDDR_A[9] SDDR_A[0]
SDDR_A[1]
SDDR_A[2]
SDDR_A[3]
SDDR_A[4]
SDDR_A[5]
SDDR_A[6]
SDDR_A[7]
SDDR_A[8] SDDR_A[1]
SDDR_A[10]
SDDR_A[12]
SDDR_A[7]
SDDR_A[0]
SDDR_A[2]
SDDR_A[4]...](http://img.usermanuals.tech/thumb/47/38658/w300_LG_26LH2000_Service_Manual-15.png "Page 16
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
DDR2SDDR_A[12] SDDR_A[11]
SDDR_A[10]
SDDR_A[9] SDDR_A[0]
SDDR_A[1]
SDDR_A[2]
SDDR_A[3]
SDDR_A[4]
SDDR_A[5]
SDDR_A[6]
SDDR_A[7]
SDDR_A[8] SDDR_A[1]
SDDR_A[10]
SDDR_A[12]
SDDR_A[7]
SDDR_A[0]
SDDR_A[2]
SDDR_A[4]...")
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. DDR2SDDR_A[12] SDDR_A[11] SDDR_A[10] SDDR_A[9] SDDR_A[0] SDDR_A[1] SDDR_A[2] SDDR_A[3] SDDR_A[4] SDDR_A[5] SDDR_A[6] SDDR_A[7] SDDR_A[8] SDDR_A[1] SDDR_A[10] SDDR_A[12] SDDR_A[7] SDDR_A[0] SDDR_A[2] SDDR_A[4]...
Page 17
F i b e r O p t i c U S B D O W N S T R E A M U S B D O W N S T R E A M THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. INTERFACEJP412 DSUB_B 2:E19 ISP_RXD JP414 P401 KCN-DS-1-0088 1 2 3 4 5 6 7 8 9 10 PC_L_IN 2:S16 IC403 MAX3232CDR 3 C 1 - 2 V +...
Page 18
![Page 18
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
PCMCIACI_ADDR[4]
CI_DATA[7] CI_DATA[5]
CI_ADDR[5]
CI_DATA[0]
CI_DATA[4]
CI_ADDR[13]CI_ADDR[7]
CI_ADDR[12]
CI_ADDR[6]
CI_ADDR[14]
FE_TS_DATA[0-7]
CI_ADDR[0] CI_ADDR[2]
CI_ADDR[1] CI_ADDR[3]
CI_ADDR[11]...](http://img.usermanuals.tech/thumb/47/38658/w300_LG_26LH2000_Service_Manual-17.png "Page 18
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
PCMCIACI_ADDR[4]
CI_DATA[7] CI_DATA[5]
CI_ADDR[5]
CI_DATA[0]
CI_DATA[4]
CI_ADDR[13]CI_ADDR[7]
CI_ADDR[12]
CI_ADDR[6]
CI_ADDR[14]
FE_TS_DATA[0-7]
CI_ADDR[0] CI_ADDR[2]
CI_ADDR[1] CI_ADDR[3]
CI_ADDR[11]...")
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. PCMCIACI_ADDR[4] CI_DATA[7] CI_DATA[5] CI_ADDR[5] CI_DATA[0] CI_DATA[4] CI_ADDR[13]CI_ADDR[7] CI_ADDR[12] CI_ADDR[6] CI_ADDR[14] FE_TS_DATA[0-7] CI_ADDR[0] CI_ADDR[2] CI_ADDR[1] CI_ADDR[3] CI_ADDR[11]...
Page 19
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. HDMIGND D601 ENKMC2838-T112 A 1 C A 2 DDC_SDA_1 2:E10;AL9 D0+_HDMI3 2:E13 +5V_ST D0-_HDMI2 2:E11 DDC_SDA_3 2:E14;AL14 CK+_HDMI2 2:E10 EDID_WP 1:AJ20;AI16;AL12 CEC_REMOTE K19;K8;AH25 DDC_SDA_2 2:E12;AL19...
Page 20
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. AMP0.1uF C729 5 0 V 0.1uF C749 5 0 V 0.1uF C735 5 0 V SPK_R+ AB11 R734 3.3 C732 22000pF 50V C746 0.47uF50V SPK_R-AB12 MS_LRCK 2:X21 AMP_VCC 0.01uF C758 50V R736 3.3 0.1uF C728 5 0 V 0.01uF C756 50V R730 4.7K...