Hisense LTD42W29NUS Service Manual page 38

1
01:INDEX/POWER IN
02:DIGITAL/ANALOG POWER
03:MT5380PERIPHERAL
04:DDR1 MEMORY
05:FLASH/JTAG/UART
A
06:ANALOG PLL/USB2.0/TUNER
07:LINE OUT/HP
08:AMP/MUTE
09:LVDS/HEADPHONE
10:YPBPR INPUT
11:VGA IN/LR
12:HDMI INPUT
13:AV/SV IN FROM AV BOARD
14:IR/KEY/BLKON/DIMMING
E1:REVISION HISTORY
E2:BLOCK DIAGRAM
B
GPIO Definition
GPIO_0 EEPROM WP PROTECT
GPIO_1 HDMI WP
GPIO_3 USB POWER EN
GPIO_4 HEADPHONE DETECT#
GPIO_5 4052 SW
GPIO_6 VGA DDC WP PROTECT
GPIO_7 HDMI HDP
GPIO_8 HDMI CHIP_POWER
GPIO_9 TCOM POWER CONTROL
GPIO_10 USB POWER EN
GPIO_11 4052 SW
GPIO_12
U2RX
GPIO_13 U2TX
OPCTRL0 CEC FUNCTION
C
OPCTRL1 NC
OPCTRL2 BLK ON/OFF
OPCTRL3 NC
OPCTRL4 PW_LED
OPCTRL5 SOFT MUTE
OPWRSB
POWER IN ON/OFF
ADIN0 NC/PWRDET
ADIN1,2 Unused
ADIN3 Tuner AFT
ADIN4 NC
OIRI
IR
GPIO Definition
RF_AGC NC
IF_AGC IF AGC FOR TUNER
D
1
2 3
LHD3229US_V1.1_MT5380_2LAYERS
4PIN 2.5mm/NC
4PIN 2.0mm/NC
4 4
3 3
2 2
1 1
J104 J103
+5V
121
L102
J101
1 1 2
1
2 1 2
2
3 +5VSB
121 L105
3
4
4
5
BL_ON/OFF
5
6 +12V +5VSB
DIMMING
6
7
7
8
8
9
9
10
10
11
11
12
ON/OFF
12
13
R104
13
14
14 3K3_NC
CE109
+
220uF/16v
14pin/2.0mm
R106
1 2
0R
R107
1 1 2
4.7K_NC
Q102
2N3904_NC
+5V
C1412
0.1uF
1
OPWM1 OPWM1 OPWM1
R1425
+5V
R1430
2
R1431
10K
1 2
+3V3SB
R1432
1
OPCTRL2
Back Light Control
2 3
4
+14V
L103
121/NC
2 1
2 1
C102
L104 +
121/NC 0.1uF
CE103
220uF/16V/NC
+5V
+12V
+ CE104 C103
+ CE102
470uF/16V 0.1uF
470uF/16V
R101
20k
OPWRSB
HIGH = > OPEN FRAME POWER OFF
LOW = > OPEN FRAME POWER ON
1 1 R102 2
OPWRSB
C105 4.7K
0.1uF
Q101 R103
2N3904 10K
POWER INPUT
R1428 10k/NC
1 2
BRI_OUT
R1421 1K
R1429 10k/NC
1 2
BRI_EXT
1 2
R1426
1 10K 2
DIMMING
C1421
R1427
2 1 Q1420 0.1uF
10k/NC
2N3904
4.7K
10K
1
BL_ON/OFF
R1433
4.7K
2 1 Q1430
10k/NC
2N3904
4
5
J105
10
9 +14V
8
7
+12V
6
5
4
3
2
C101
1
0.1uF
CON10/2.5mm/NC
J106
12
11
10
9
8
7
6
5
4
3
2
1
CON12/2.5mm/NC
LG
J109
9
8
+12V
7
+5VSB
6
5
4
3
2
1
CONN9/2.5mm/NC
PANASONIC
PDP: /PANASONIC/LG
Hisense Electric Co.,LTD
Suite 406,langfeng Bldg,#2 Kefa Road Nanshan District,Shenzhen,China
Tel:86-755-26532018
Fax:86-755-26532013
Title
INDEX/POWER IN
Size Document Number
A
Date:
5
6
GND
OPWM1
OPWM1
+12V
+12V
+14V
+14V
OPWRSB
OPWRSB
+5V
+5V
+3V3SB
+3V3SB
+5VSB
+5VSB
ON/OFF
ON/OFF
OPCTRL2
OPCTRL2
BRI_OUT
BRI_OUT
BRI_EXT
BRI_EXT
A
J107
+5VSB
11
10
9
+12V
8
ON/OFF
7
6
+5V 5
4
+5V
3
2
1
CONN11/2.5mm/NC
B
J108
7
6
+12V
5
+5VSB
BL_ON/OFF
4
3
2
ON/OFF
+5V
1
CONN 7/2.5mm/NC
LG
C
+5V
D
HISENSE SHENZHEN R&D
Rev
1.1
Sheet 1 of 16
6