Hisense LCD32V86 service manual MT8222P1V1 DDR1 Version

Page 34

 

 

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MT8222_P1V1 (DDR1) VERSION V1.0

 

 

 

 

 

 

 

 

 

D

 

( DDR1 WITH TERMINATION )

 

 

 

 

 

 

 

 

 

 

D

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

GPIO usage

 

 

 

 

 

 

 

 

 

 

 

 

 

ADIN0

GPIO Definition

Function define

 

 

 

 

 

 

 

 

 

 

 

 

SCART FS

 

 

 

LVDS out

SFlash

 

 

 

 

 

 

 

 

ADIN1

SCART FS

 

 

 

 

E2PROM

 

 

 

 

 

 

 

 

ADIN2

4052 SWITCH

 

 

 

 

 

 

 

 

 

 

 

 

ADIN3

KEYPAD

 

POWER

 

 

 

 

Analog AMP

Speaker

 

 

 

 

ADIN4

KEYPAD

High = WP disable

DDR1

 

 

DAC

TI3101D (10Wx2)

 

 

 

 

 

ADIN5

HDMI/VGA EDID E2PROM WP

 

MT8222

 

 

 

 

 

 

 

 

GPIO_20

Audio MUX

 

 

 

 

4558

 

 

Headphone

 

 

 

 

GPIO_21

AMP_MUTE CONTROL

High = Mute on

MCU WT6702

 

 

 

 

 

 

 

 

 

 

 

GPIO_22

GAME

 

 

 

 

 

 

 

 

 

 

 

 

GPIO_23

GAME

 

 

 

 

 

 

 

 

 

 

 

 

 

GPIO_24

GAME

 

 

 

 

 

 

 

 

 

 

 

 

 

GPIO_25

GAME

 

 

 

 

 

4052 x 2

 

 

 

 

 

 

 

PWM0

DIMMING CONTROL

 

 

USBx2

 

 

 

 

 

 

 

 

C

 

 

 

 

 

 

 

 

 

 

C

 

PWM1

Power conversion to 33V

 

 

 

 

 

 

 

 

 

 

 

 

 

PWM2

SYSTEM E2PROM WP

High = WP disable

 

 

 

 

 

 

 

 

 

 

 

 

PWM3

Audio MUX

 

 

 

 

 

 

 

 

 

 

 

 

 

UP30

BL ON/OFF CONTROL

Low = Backlight on

 

 

HDMIx3

YPbPr x 2

Micphone

CVBS x 2

RF Tuner

 

 

 

 

UP31

NORMAL POWER ON/OFF

Low = Normal power on

 

VGA

Scart x 2

Interface

S-Video x 1

TDA9885

 

 

 

 

UP33

HMDI 0 HPLUG DETECT

 

 

 

 

 

 

 

 

 

 

 

 

 

UP34

HMDI 1 HPLUG DETECT

 

 

 

 

 

 

 

 

 

 

 

 

 

UP35

HMDI 2 HPLUG DETECT

 

 

 

 

 

 

 

 

 

 

 

 

 

GPIO_0

MICPHOTO RESERVE

 

Power Distribution

 

 

 

 

 

 

 

 

 

 

 

GPIO_1

LVDS RESERVED

 

 

 

 

 

 

 

 

 

 

 

 

GPIO_2

FCI

 

 

 

 

 

 

 

 

 

 

 

 

 

GPIO_3

FCI

 

 

 

 

 

 

 

 

 

 

 

 

 

GPIO_4

LVDS POWER ON/OFF

Hi = LVDS power on

 

 

 

 

 

 

 

 

 

 

 

 

GPIO_5

AMP_SD/FCI

 

 

 

 

 

 

 

 

 

 

 

 

 

GPIO_6

SCART1 VIDEO OUTPUT SW/FCI

 

 

 

 

 

 

 

 

 

 

 

 

 

GPIO_7

FCI

 

 

 

 

 

 

 

 

 

 

 

 

 

GPIO_8

FCI

 

 

 

 

 

 

 

 

 

 

 

 

 

GPIO_9

FCI

 

 

 

 

 

 

 

 

 

 

 

 

B

GPIO_10

FCI

 

 

 

 

 

 

 

 

 

 

 

B

 

GPIO_11

4052 SWITCH

Low = HP insert

 

 

 

 

 

 

 

 

 

 

 

 

INT

Audio MUX select bit 0

 

 

 

 

 

 

 

 

 

 

 

 

 

SPDIFIN

LVDS RESERVED

 

 

 

 

 

 

 

 

 

 

 

 

 

AOSDATA0

USB0 OC TAG

 

 

 

 

 

 

 

 

 

 

 

 

 

AOLRCK

USB0 PWR ENABLE

 

 

 

 

 

 

 

 

 

 

 

 

 

AOBCLK

USB1 PWR ENABLE

 

 

 

 

 

 

 

 

 

 

 

 

 

AOMCLK

USB1 OC TAG

 

 

 

 

 

 

 

 

 

 

 

 

A

 

 

 

 

 

 

 

 

 

 

 

 

 

A

 

 

 

 

 

 

 

 

 

 

 

 

MediaTek Confidential

 

 

 

 

 

 

 

 

 

 

 

MediaTek (ShenZhen) Inc.

 

 

 

 

 

 

 

 

 

 

 

Title

GPIO/BLOCK

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Size

Document Number

 

Jiu.Ni1 of

Rev

 

 

 

 

 

 

 

 

 

 

C

HISENSE_MT8222_EU Drawn:

1

 

 

 

 

 

 

 

 

 

 

Date:

2008/1/25

Sheet

14

 

 

5

4

 

3

 

 

2

 

 

 

1

 

 

Image 34
Contents Product Type:LCD32V86、LCD32V86P Contents Precautions and notices Hisense Confidential Hisense Confidential Hisense Confidential Hisense Confidential Hisense Confidential Hisense Confidential Product Function Specifications Specifications LCD Panel Spec Panel T315HW02V0 \ROH LCD32V86: Factory OSD Menu White BalanceFactory Option Mode M is only used for factory production Hisense Confidential Software Upgrading Get ready for upgradingHisense Confidential Upgrading with the MtkTool Choose the current BaudRate Hisense Confidential Update with USB directly Hisense Confidential Troubleshooting Troubleshooting for Remote Control Troubleshooting for Function Key TV won’t Power On Troubleshooting for Audio Troubleshooting for TV/VGA/HDMI input Troubleshooting for YPbPr input Troubleshooting for Video/S-Video input Schematic circuit diagramNear IC MT8222P1V1 DDR1 Version PWCTL1 BL-ADJUSTBL-ON/OFF +5VTUNEROiri INT ICE U1RX U1TX Redp INT Vgagnd ORESET# Vgasog Oiri Grnp BlupGPIO11 Gpio RDQ0AV33DAC AV12DRGB DdrvAV12PLL AV12ARGBB AV33VGA GNDMEMDQ0 RDQS0 RDQS1RCAS# RRAS# RDQ0 Rcke MEMDQ1 RDQ1U0TX OSDA0 FRESET# SpisckU0RX OSCL0 U1RXHDMIPLUGPWR0 HDMI-L-HXCeca RX0C RX0CBCVBS1 CVBS2 AV1INCVBS1 CVBS3PB0IN SCT1G Y0IN SCT1RY0INGND PBR0INGNDCVBS5 SCT1AUROUTSCT1AV SCT1AURIN SCT1AULOUTSDAV50 OSCL0 SCLV50 IftunerCVBS0P +5VTUNER PWM1 TvainMUX1-L AudloutAudrout MUX1-L TvainLvdsvdd O2P Vbrout BL-ADJUST Ockp PWM0GND BL-ADJUST E0P E1P E2P Eckp E3P E4P GND Vbrout RESC1005L-HX O0P O1P