Service Manuals, User Guides, Schematic Diagrams or docs for : HISENSE LED TV LED26T29 hisense_led26t29
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5 4 3 2 1
D
MT8222_P1V1 _DDR1_ VERSION V1.0
D
_ DDR1 WITH TERMINATION _
GPIO usage
GPIO Definition Function define
ADIN0 SCART FS LVDS out SFlash
ADIN1 SCART FS
ADIN2 4052 SWITCH E2PROM
ADIN3 KEYPAD Analog AMP Speaker
ADIN4 KEYPAD POWER TI3101D _10Wx2_
DDR1 DAC
ADIN5 HDMI/VGA EDID E2PROM WP High = WP disable
4558 Headphone
GPIO_20 Audio MUX MT8222
GPIO_21 AMP_MUTE CONTROL High = Mute on
GPIO_22 GAME MCU WT6702
GPIO_23 GAME
GPIO_24 GAME
GPIO_25 GAME
4052 x 2
C
PWM0 DIMMING CONTROL USBx2
C
PWM1 Power conversion to 33V
PWM2 SYSTEM E2PROM WP High = WP disable
PWM3 Audio MUX
UP30 BL ON/OFF CONTROL Low = Backlight on YPbPr x 2 Micphone CVBS x 2 RF Tuner
UP31 NORMAL POWER ON/OFF Low = Normal power on VGA HDMIx3
Scart x 2 Interface S-Video x TDA9885
UP33 HMDI 0 HPLUG DETECT 1
UP34 HMDI 1 HPLUG DETECT
UP35 HMDI 2 HPLUG DETECT
GPIO_0 MICPHOTO RESERVE
GPIO_1 LVDS RESERVED Power Distribution
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
INDEX/POWER/RESET/EEPROM
GPIO/BLOCK
Size Document Number Rev
Drawn: LOBS 1
C MT8201AXE_SZ_V1.2
HISENSE_MT8222 Jiu.Ni
Date: Thursday, November 19, 2009
2008/1/25 Sheet 1 of 13
5 4 3 2 1
5 4 3 2 1
VPA
+5VS
CN2
1 +5VS
+5VS 6,7,8,13
2
3 12V_M +3V3
4 L42 33uH
5 BL-ON/OFF +5V_ON +3V3
C687
BL-ADJUST +3V3 3,4,6,7,10,12,13
6 N36
10K/1%
7 L371 2 FB 12V_M
R766
R765
4 5
R764
8
0.1uF C692
VCC OUTPUT_7
C730
C731
9 12V_M
1000pF_DNS
C693
C485
12V_M 12V_M 10,12,13
VD25
10 3 6
C729
C728
OCSET OUTPUT
11 C486 +5V_ON
0.1uF C695
+5VS + +
SW 2 7
1.8K/1%
12 EN VSS_5
0.1uF
100uF/16V
100uF/16V
10uF
100K
13 + + 10uF +5V_ON
B540C
FSP3132
3K
R767
D
1 8 +5V_ON 6,8,11,12,13 D
100uF/16V
100uF/16V
FB VSS
+5V_TUNER
C696
+5V_TUNER
+5V_TUNER 10,11
0.1uF
SW
Vout = 0.8 x _1 + 761/762_5.244V SW 6
DDRV
DDRV
DDRV 4,5
AV12
AV12
AV12 4
DV10
DV10
DV10 3,4
5V_M
5V_M
5V_M 6,8,11,12,13
UP31 UP31 3
+5VS
GND
GND 3,4,5,6,7,8,9,10,11,12,13
1
BL-ON/OFF
P1 SHIELD BL-ON/OFF 13
R259
M-RSAG7_070_198-HX BL-ADJUST
Power for MT8222 only _ Always on _ 4.7K BL-ADJUST 13
1
3
2
4
R263
2
2008.6.4 UP31-M UP31-M 6
C SW 1 NC/0 2 C
LDO#1 U4
TJ3965RS-3.3-5L
therm_5 6
UP31-M
VOUT
1 0 2
GND
VEN
ADJ
5V_M +5V_ON
VIN
R264
3
+5V_ON R258
2008.6.4
1
2
3
4
5
Q29 1 1 210K UP31
2
+3V3 3904
R262
1 210K R260
2
10K
+3V3
100uF/16V C737
100uF/16V C738
0.1uF CB5
1
1 2
1
1
+ +
R857
1
8.87K 1%
CB8
2
10uF/16V R859
UP31 HIGH :POWER OFF
2
5.1K 1%
UP31 LOW: POWER ON
2
Test GND Pin
1.2 x _21K+12K_/12K= 3.3V _ Spread
Around PCB _
TP85 TP86 TP87 TP88 TP89 TP90 TP91 TP92 TP93 TP94 TP95 TP96 TP97 TP98 TP99 TP101 TP100 TP103
Switch Regulator
1
1
1
1
1
1
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