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A
B
8
7
B2810
HCB1608KF-221T20
B2812
6
HCB1608KF-221T20
5
B2811
HCB1608KF-221T20
4
FROM REGULATOR
3
D1.0V
D1.8V
GND
D3.3V
2
1
A
B
H-29
C
D
SCALER POWER SCHEMATIC DIAGRAM
(DIGITAL PCB)
SCALER IC
IC2801
R8J66954BG
3.3
E5
VCCQ33
3.3
E6
VCCQ33
3.3
E11
VCCQ33
3.3
Io_Power
U5
VCCQ33
3.3
U8
VCCQ33
1.0
E7
VDD
1.0
E9
VDD
1.0
E15
VDD
1.0
J9
VDD
1.0
J10
VDD
1.0
J11
VDD
1.0
J12
VDD
1.0
J13
VDD
1.0
K9
VDD
1.0
K13
VDD
1.0
Core_Power
L9
VDD
1.0
L13
VDD
1.0
M9
VDD
1.0
M13
VDD
1.0
N9
VDD
1.0
N10
VDD
1.0
N11
VDD
1.0
N12
VDD
1.0
N13
VDD
1.0
T5
VDD
1.0
U6
VDD
1.0
U9
VDD
3.3
M4
DVDDABC
0
M5
DVSSABC
0
E8
VSS
0
E10
VSS
0
E12
VSS
0
K10
VSS
0
K11
VSS
0
K12
VSS
0
L10
VSS
GND
0
L11
VSS
0
L12
VSS
0
M10
VSS
0
M11
VSS
0
M12
VSS
0
U7
VSS
NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
C
D
E
B2813
3.3
AVDDA
J4
BLM18PG121SN1D
3.3
AVDDB
K4
3.3
AVDDC
L4
0
ADVSS
F5
0
G5
ADVSS
0
ADVSS
H4
0
J5
ADVSS
0
(16-08)
L5
ADVSS
W915
3.3
PLLVDD
P4
A3.3V
0
PLLVSS
N5
B2815
A3.3V
3.3
DLLVDD
T4
BLM18PG121SN1D
0
DLLVSS
P5
B2816
3.3
VCC33AD_A
V3
BLM18PG121SN1D
0
VSS33AD_A
W1
B2817
3.3
VCC33DA_A
Y4
BLM18PG121SN1D
0
VSS33DA_A
Y3
B2820
3.3
VDD33
J3
BLM18PG121SN1D
3.3
VDD33
U4
0
VSS33
H5
0
VSS33
R5
D3.3V
B2821
3.3
VDD33ADDA
V2
BLM18PG121SN1D
0
VSS33ADDA
U3
B2822
1.8
VDD18
K3
1.8
BLM18PG121SN1D
VDD18
T3
D1.8V
0
VSS18
K5
0
VSS18
R4
NOTE:THE DC VOLTAGE AT EACH PART WAS MEASURED
WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST
WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
E
F
G
TO SCALER VIDEO/AUDIO
AD_A3.3V
TO HDMI
VDD33
F
G
H
8
7
6
5
4
3
2
PCBDH0
CEG360
1
H
22LV505
H-30
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