Hisense 65U8HQ User Manual

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Contents
Contents ....................................................................................................................................................................... - 3 -
Service Manual ........................................................................................................................................................... - 4 -
1. Precautions and notices ..................................................................................................................................... - 4 -
1.1 Warning ................................................................................................................................................... - 5 -
1.2 Notes ....................................................................................................................................................... - 7 -
2. TV boards: ...................................................................................................................................................... - 10 -
2.1 Main board layout ................................................................................................................................. - 10 -
2.2 TV boards part list ................................................................................................................................ - 16 -
3. Factory/Service OSD Menu and Adjustment .................................................................................................. - 17 -
3.1 Remote Control ..................................................................................................................................... - 17 -
3.2 Factory OSD Menu ............................................................................................................................... - 19 -
4. Software Upgrading ........................................................................................................................................ - 24 -
4.1 USB Upgrade ........................................................................................................................................ - 24 -
4.2 Flash Tool upgrading ............................................................................................................................ - 26 -
5. Trouble shooting ............................................................................................................................................. - 29 -
5.1 Troubleshooting for Remote Control .................................................................................................... - 29 -
5.2 Troubleshooting for Function Key ........................................................................................................ - 30 -
5.3 TV won’t Power On .............................................................................................................................. - 31 -
5.4 Troubleshooting for Audio .................................................................................................................... - 32 -
5.5 Troubleshooting for TV/VGA/HDMI input .......................................................................................... - 33 -
5.6 Troubleshooting for YPbPr input .......................................................................................................... - 34 -
5.7 Troubleshooting for Video input ........................................................................................................... - 35 -
6. Signals Block Diagram & power assign & schematic diagram ...................................................................... - 36 -

Hisense 65U8HQ Specifications

General

Display diagonal	65 \
Native aspect ratio	16:9
Tuner type	Digital
Video apps	Amazon Prime Video, Chili, Disney+, Netflix
Screen mirroring	-
Sound modes	Dolby Audio
RMS rated power	70 W
Number of speakers	2
Stand type	Center stand
Image formats supported	BMP, GIF, JPEG, MPO, PNG
High Dynamic Range (HDR) technology	Dolby Vision IQ, High Dynamic Range 10 (HDR10), High Dynamic Range 10+ (HDR10 Plus)
HDMI version	2.0/2.1
HDMI ports quantity	4
Ethernet LAN (RJ-45) ports	1
Works with Samsung Bixby	No
Power consumption (sleep)	0 W
Power consumption (standby)	0.5 W
Country of origin	Slovenia
Dimensions (with stand) (WxHxD)	1452 x 914 x 307 mm
Dimensions (W x D x H) with stand	1452 x 307 x 914 mm
Repairability index	6.5

Weight and Dimensions

Depth (with stand)	307 mm
Width (with stand)	1452 mm
Height (with stand)	914 mm
Weight (with stand)	40000 g
Depth (without stand)	858 mm
Height (without stand)	78 mm
Weight (without stand)	30000 g