Digital Main 2 Schematic Diagram [Type A] - Philips 55PFL4909 Service Manual

Digital Main 2 Schematic Diagram [TYPE A]

CONTINUE
DIGITAL 7
P-ON+21V
P-ON+3.3V
CONTINUE
DIGITAL 1
4
LCD+12V/+21V
TO LCD PANEL
R3990
ASSEMBLY CN3906
0
LCD+12V 1
C3992 C3991
LCD+12V 2
1000P 4.7
LCD+12V 3
LCD+12V 4
NU 5
GND 6
GND 7
GND 8
R3989 OPEN
GND 9
R3988 OPEN
GND 10
R3981 OPEN
LVDS-OD4(+) 11
R3980 OPEN
LVDS-OD4(-) 12
3 R3943 0
LVDS-OD3(+) 13
R3921 0
LVDS-OD3(-) 14
GND 15
LVDS-OCLK(+) 16
R3920 0
LVDS-OCLK(-) 17
GND 18
LVDS-OD2(+) 19
LVDS-OD2(-) 20
R3919 0
LVDS-OD1(+) 21
LVDS-OD1(-) 22
LVDS-OD0(+) 23
LVDS-OD0(-) 24
R3987 OPEN
GND 25
R3986 OPEN
GND 26
R3985 OPEN
LVDS-ED4(+) 27
R3984 OPEN
LVDS-ED4(-) 28
LVDS-ED3(+) 29
LVDS-ED3(-) 30
GND 31
LVDS-ECLK(+) 32
2
LVDS-ECLK(-) 33
GND 34
LVDS-ED2(+) 35
LVDS-ED2(-) 36
LVDS-ED1(+) 37
LVDS-ED1(-) 38
LVDS-ED0(+) 39
LVDS-ED0(-) 40
GND 41
R3866 OPEN
NU 42
R3867 OPEN
NU 43
R3922 OPEN
NU 44
VCOM 45
LCD-P-ON 46
R3869 OPEN
/SCL 47
R3926 OPEN
/SDA 48
R3923 OPEN
PANEL-SDA 49
R3902 OPEN
PANEL-SCL 50
PANEL-WP 51
R3948 0
R3982 OPEN
R3947 0
1
R3983 OPEN
R3918 OPEN
R3917 OPEN
G
R3952 D3905
OPEN OPEN
D3906
OPEN
IC3901
MP1472GJC452Z
R3550
6.8K (+12V REG.)
C3946
0.047
1 SS BST 8
2 EN IN 7
C3951
OPEN
3 COMP SW 6
4 FB GND 5
C3950
R3938
1500P
33K
C3955 R3937
100P R3936 3.3K R3939
24K 6.8K
R3912 R3911 C3959 C3958 C3952 D3901 C3954 C3956
OPEN OPEN OPEN 4.7 OPEN OPEN 4.7 4.7
R3900 OPEN
C3902 R3896
OPEN OPEN
R3903 OPEN
R3905 OPEN
R3941 R3940 C3909 C3910
OPEN OPEN OPEN OPEN
D3902
1SS400
C3901
4.7
H I
C3996
OPEN
1
2
R3899
OPEN
3
R3897 4
C3949
OPEN
0.1
R3891
OPEN
C3945 C3944 C3943
0.1 OPEN 4.7
R3895
OPEN
Q3904
OPEN
R3898 C3997
OPEN OPEN
L3901
22uH
C3953
4.7
DIGITAL MAIN CBA UNIT
J
10-6
R3942
OPEN
Q3905
OPEN
8
7
6
5
CONTINUE
DIGITAL 6
P-ON-H2
CONTINUE
DIGITAL 1
LVDS-OD4(+)
LVDS-OD4(-)
LVDS-OD3(+)
LVDS-OD3(-)
LVDS-OCLK(+)
LVDS-OCLK(-)
LVDS-OD2(+)
LVDS-OD2(-)
LVDS-OD1(+)
LVDS-OD1(-)
LVDS-OD0(+)
LVDS-OD0(-)
LVDS-ED4(+)
LVDS-ED4(-)
LVDS-ED3(+)
LVDS-ED3(-)
LVDS-ECLK(+)
LVDS-ECLK(-)
LVDS-ED2(+)
LVDS-ED2(-)
LVDS-ED1(+)
LVDS-ED1(-)
LVDS-ED0(+)
LVDS-ED0(-)
CONTINUE
DIGITAL 1
VCOM-DC
VCOM-PWM
LCD-P-ON
PANEL-WP
PANEL-SCL
PANEL-SDA
CONTINUE
DIGITAL 8
PROTECT3
K L
PL14.26SCD2