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Hisense
LCD32V86 service manual
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Contents
Main
LCD Television Service Manual
Hisense Electric Co.Ltd. April 2009
Contents
Service Manual
1. Precautions and notices
1.1 Warning
Page
Page
1.2 Notes
Page
Page
2. Product Function Specifications Specifications
3. LCD Panel Spec
Page
4. Chassis Layout and Overall Wiring Diagrams Boards and Chassis Layout
5. Factory/Service OSD Menu and Adjustment 5.1 To enter the Factory OSD Menu
5.2 Factory OSD Menu
Page
Page
Page
LCD TV Service Manual
Hisense Confidential
6 Software Upgrading
The first upgrading method:
6.1 Get ready for upgrading
Page
6.2 Upgrading with the MtkTool
Page
Page
Page
6.3 Update with USB directly T
Page
7. Troubleshooting 7.1 Troubleshooting for Remote Control
Page
Page
Page
Page
7.6 Troubleshooting for YPbPr input
Page
NEAR IC
12
AOUTR 10
VA 9
GND 8
MT8222_P1V1 (DDR1)
VERSION V1.0
SFlash
DDR1
LVDS out
Works at normal mode
Power for MT8222 only ( Always on )
1.2 x (21K+12K)/12K= 3.3V
Vout = 1.25 x ( 1 + 120/ 110 ) = 2.6V for DDR400/500
0.8 x (1+0.51K/2K) = 1.0V
MT8222
Game Port Connection
LVDS INTERFACE
YPbPr input
MT8222
GPIO
Serial Flash IF
Mux out from CD4052B
XTAL Dip/SMD Dual Layout
( Bypass CAPs arround MT8222 )
MT8222 Bypass CAPs
DDR1
( DDR1 DRAM With Termination )
2008/05/08 MODIFY
If use SDRAM NC RD7/RD8
LP2996 for Vref and VTT of DDR1
If use ddr CD34 CD26 CD27 RD9 CD28 CD29 CD30 UD2 ON
System E2PROM System Reset#
Serial Flash
ADJ
2008/05/05 MODIFY
OPTION for CEC Stand by Function
HDMI port 0
HDMI port 1
HDMIX3
( HDMI Hot Plug Detect )
HDMI port 2
NEAR ICNEAR CONNECTOR
AV2 Input
Only for US, EU not stuff
2008/05/05 MODIFY
Video output
SCART 1 Full-SCT
NEAR CONNECTOR NEAR IC
YPbPr
YPbPr1 port
NEAR CONNECTOR
SCART 1 Full-SCTSCART 2 Half-SCT SCART 1 Full-SCT
SCART1/2
NEAR CONNECTOR Near swtich
NEAR CONNECTOR NEAR IC
Only for EU, US not stuff
NEARLY TUNER
NEARLY MT8222
RF Tuner
AudioMUX/SPDIF
COAXIAL
LVDS out/MUTE/TPA3101
20
R2A15108FP
LVDS POWER
E-PWM
MUTEL: LOW FOR MUTE
R479
R475