Haier HL55XZK22, Service Manual

Page: 43 / 63

A A
B B
C C
D D
E E
4
4
3
3
2
2
1
1
+5V AV33 +12V
GND
AV125 DV33
AVDD12_VPLL
LVDS_PWR_ON O2N O2P E1N OCKN OCKP ECKP ECKN
AVDD33_LVDS
AVDD12_VPLL E2N E2P O0N O1N O1P O0P E3P E3N E0P E0N O3N O3P E1P USB_PWR_EN0 USB_PWR_ERR0
AVDD33_LVDS
LVDS_PWR_ON
ADIN3 GPIO0 +3V3SB BL_ON/OFF DIMMING
BL_ON/OFF
ADIN3
GPIO0
DIMMING_OUT
Dimming
BL_PWM
AO3P AO3N AOCKP AOCKN AO2P AO2N AO1P AO1N AO0P AO0N AE3P AE3N AECKP AECKN AE2P AE2N AE1P AE1N AE0P AE0N
LVDSVDD
DIMMING_OUT BL_PWM
AV33
AV125
+12V
+5V
LVDSVDD
DV33
+3V3SB
+5V
+5V
DV33
+3V3SB
GND
3,4,5,6,7,8,9,10,11,13,14
+5V
3,6,8,10,14
AV33
3,4,6,8,9,10,13
+12V
3,10,11,13,14
AV125
3,4,5,8,9
DV33
3,4,5,6,7,11
E1P
4 E1N
4 E2P
4 E2N
4 ECKP
4 ECKN
4 LVDS_POWER_ON
4 E3P
4 E3N
4 AVDD33_LVDS
3,4,6,8,9,10,13
O0N
4 O0P
4 AVDD12_VPLL
4 O1P
4 O1N
4 O2P
4 O2N
4 OCKP
4 OCKN
4 O3P
4 O3N
4 E0P
4 E0N
4 USB_PWR_EN0
4,6
USB_PWR_ERR0
4,6
ADIN3
4 GPIO0
4
+3V3SB
3,6,8,9
BL_ON/OFF
14
DIMMING
14
O1P O0N O0P O2N O2P OCKN OCKP O3N O3P O1N E1P E2N E2P ECKN ECKP E3N E3P E0N E0P E1N LVDSVDD DIMMING_OUT BL_PWM
Title
Size
Document Number
Rev
Date:
Sheet
of
MediaTek Inc.
TEL:(03)567-0766 FAX:(03)578-7610 No.1-2, Innovation Rd 1, SBIP, Hsin-Chu City 300
Drawn
MT5305A P1V1
V1
C
12
15
Wednesday, October 14, 2009
LVDS/BACKLIGHT
MediaTek Confidential
Title
Size
Document Number
Rev
Date:
Sheet
of
MediaTek Inc.
TEL:(03)567-0766 FAX:(03)578-7610 No.1-2, Innovation Rd 1, SBIP, Hsin-Chu City 300
Drawn
MT5305A P1V1
V1
C
12
15
Wednesday, October 14, 2009
LVDS/BACKLIGHT
MediaTek Confidential
Title
Size
Document Number
Rev
Date:
Sheet
of
MediaTek Inc.
TEL:(03)567-0766 FAX:(03)578-7610 No.1-2, Innovation Rd 1, SBIP, Hsin-Chu City 300
Drawn
MT5305A P1V1
V1
C
12
15
Wednesday, October 14, 2009
LVDS/BACKLIGHT
MediaTek Confidential
By Ray
NEAR IC
NEAR IC
HI = > LVDS POWER ON LO = > LVDS POWER OFF
LO = > POWER_ON HI = > POWER_OFF
INVERTOR POWER
1K PULL UP to 3V,for 42" lcd.
FOR MT8282
XR23 10K XR23 10K
XQ4 2N3904 XQ4 2N3904
1
3 2
XC7 1uF XC7 1uF
R1
0/NC
R1
0/NC
NC17 0.1uF NC17 0.1uF
XR17
4.7k
XR17
4.7k
+
CE51 47uF/16v
+
CE51 47uF/16v
R123 47K R123 47K
R1837
NS/0
R1837
NS/0
XR6 NS/1K XR6 NS/1K
CB154 0.1uF CB154 0.1uF
+
CE49 100uF/16v
+
CE49 100uF/16v
XR18 10k XR18 10k
R124
47K->1K
R124
47K->1K
XR22 1k/NC XR22 1k/NC
XQ6 2N3904 XQ6 2N3904
1
3 2
XR5 1K XR5 1K
D6
1N4148
D6
1N4148
C657
10uF/10v/NC
C657
10uF/10v/NC
CB152 0.1uF CB152 0.1uF
NC14 0.1uF NC14 0.1uF
Q70 AO3401 Q70 AO3401 1
2
3
XR21 10k/NC XR21 10k/NC XR13
4.7k
XR13
4.7k
CB993 1uF CB993 1uF
XR8 47k XR8 47k
TP38TP38
CB155 0.1uF CB155 0.1uF
R125
10k
R125
10k
TP39TP39
NR4
0
NR4
0
R2
0
R2
0
XQ5 2N3904 XQ5 2N3904
1
3 2