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- 12 -

Only for training and service purposes.

1. Poor Connection

- Sub Board Ass’y

Board connection point

Sub Board Ass’y

3C 3C

No.

Circuit Number

Pin count

Connections

Symptoms of a bad connection

P408

C/W

Display turns off immediately after power on. or no
image (none functional of LD)

P407

C/W index

Display turns off immediately after power on. or no
image (none functional of LD)

P405,P406

10,6

Actulator

The resolution is decrease

P806

PSU

NO set power ON

P404

Speaker

No sound from the left/right speaker.

Содержание HU80KA

Страница 1: ...oses CONFIDENTIAL Any reproduction duplication distribution including by way of email facsimile or other electronic means publication modification copying or transmission of this Service Manual is STRICTLY PROHIBITED unless you have obtained the prior written consent of the LG Electronics entity from which you received this Service Manual The material covered by this prohibition includes without l...

Страница 2: ...ronics Inc All rights reserved Only for training and service purposes CONTENTS CONTENTS 2 SAFETY PRECAUTIONS 3 SPECIFICATION 4 BLOCK DIAGRAM 7 EXPLODED VIEW 8 DISASSEMBLY GUIDE 9 ASSEMBLY GUIDE 10 TROUBLE SHOOTING GUIDE 11 ...

Страница 3: ...e the set is safe to operate without damage of electrical 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 ...

Страница 4: ...E PROJECTOR test method followed 2 Required other specification Safety KCC IEC CE specification EN55022 Class B CCC EMC KCC IEC CE specification EN60950 1 CCC 4 Model General Specification No Item Specification Remark 1 Video input applicable system ATSC NTSC M ATSC 3 0 HU80KA KR Korea ATSC NTSCM 64 256QAM HU80KA NA US 2 Available channel 1 VHF 02 13 HU80KA KR NA 2 UHF 14 69 HU80KA KR NA 3 DTV 02 ...

Страница 5: ...080P 16 1920 1080p 27 00 24 00 63 36 HDTV 1080P 17 1920 1080p 33 71 29 97 79 120 HDTV 1080P 18 1920 1080p 33 75 30 00 79 20 HDTV 1080P 19 1920 1080p 56 25 50 00 148 5 HDTV 1080P 20 1920 1080p 67 43 59 94 148 35 HDTV 1080P 21 1920 1080p 67 5 60 00 148 50 HDTV 1080P 22 1920 1080p 112 5 100 297 00 UDTV 1080P 23 1920 1080p 134 86 119 88 296 70 UDTV 1080P 24 1920 1080p 135 00 120 297 UDTV 1080P 25 3840...

Страница 6: ...A 4 800 600 37 87 60 31 40 VESA SVGA 5 1024 768 48 36 60 00 65 VESA XGA 6 1360 768 47 71 60 01 84 75 VESA WXGA 7 1152 864 54 34 60 05 80 VESA 8 1280 1024 63 98 60 02 109 00 SXGA Support to HDMI PC 9 1920 1080 67 5 60 158 40 WUXGA Reduced Blanking 10 1920 1080 135 120 297 UDTV 1080P 11 3840 2160 54 24 00 297 00 UDTV 2160P 12 3840 2160 56 25 25 00 297 00 UDTV 2160P 13 3840 2160 67 5 30 00 297 00 UDT...

Страница 7: ...2x30 bit Actuator Driver CWI Index Vx1 Vx1 960 32 x1080 240Hz 960 32 x1080 240Hz FPGA 1080P 240 Hz DLPC6421 Master DLPC6421 Slave Field H V Sync DE CLK R G B Y PWM 4 Way Actuator DDR3 4Gbx4 eMMC 5 01 HDMI USB 2 0 TDJS H501F ATSC3 0 S P DIF Audio AMP DTA2010M Micom R5F100 HP AMP TPA6138A2 USB 3 0 LAN TUNER KR NA Only WiFi BT Combo Temp NTC 3 Auto Keystone BMA255 2 FAN 3 Cord reel Speaker DC 12V FAN...

Страница 8: ...e 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 AR2 300 531 530 532 120 310 900 305 500 100 110 600 121 560 540 400 710 515 535 920 700 100 750 760 150 160 1...

Страница 9: ...pin handle mirror assy Φ3 X L12 screw 6ea remove 5 Top case from frame assy Φ2 6 X L8 screw 2ea remove 6 Front case from frame assy Φ3 X L12 screw 4ea remove 7 Fan Wi Fi fan from frame assy 8 Main PCB ceiling BKT from frame assy Φ3 X L12 screw 6ea assemble 9 Engine Assy from frame assy Φ3 X L12 screw 4ea assemble 10 cord reel reel housing Engine shield LD Board cord reel reel housing 11 handle hin...

Страница 10: ...ng Φ3 X L12 screw 4ea assemble 4 Main PCB ceiling BKT Φ3 X L12 screw 6ea assemble 7 Top case control Assy Φ2 X L4 screw 3ea assemble 8 Top case Φ2 6 X L8 screw 2ea assemble 9 Mirror assy Handle Pin Handle Φ3 X L12 screw 6ea assemble 10 handle handle hinge M3 X 6 screw 1ea assemble 11 Rear case Cord cover M4x7 screw 4EA 10 points hook 12 Bottom case assy Jack cover Φ3 X L12 screw 4ea assemble 5 Fan...

Страница 11: ...of a bad connection 1 P103 80 LD driver Display turns off immediately after power on or no image none functional of LD 2A 2B P501 P701 40 DMD Board No image none functional of DPP ASIC 3A 3B 3C P803 P804 P801 3 FAN Fan doesn t work and set turns off automatically 4 P901 4 Temp set turns off automatically 5A 5B P806 4 IR Remote controller Function is not working 6 P952 10 WIFI Bluetooth Wi Fi Bluet...

Страница 12: ...it Number Pin count Connections Symptoms of a bad connection 1 P408 8 C W Display turns off immediately after power on or no image none functional of LD 2 P407 3 C W index Display turns off immediately after power on or no image none functional of LD 3 P405 P406 10 6 Actulator The resolution is decrease 4 P806 20 PSU NO set power ON 5 P404 40 Speaker No sound from the left right speaker ...

Страница 13: ......

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