A
B
C
D
E
F
G
H
A
B
C
D
E
F
G
H
2
1
3
4
5
6
7
8
2
1
3
4
5
6
7
8
C2986
330
4V
V-S
C2855
330
4V
V-S
C2930
330
4V
V-S
R2903
470
1/10W
2125
C2903
0.1
10V
1005
B
C2911
10
10V
2125
B
C2907
0.1
10V
1005
B
C2917
10
10V
2125
B
C2902
0.1
10V
1005
B
C2929
10
10V
2125
B
C2914
0.1
10V
1005
B
C2928
10
10V
2125
B
C2919
0.1
10V
1005
B
C2913
0.1
10V
1005
B
C2927
10
10V
2125
B
C2918
0.1
10V
1005
B
C2912
0.1
10V
1005
B
C2909
0.1
10V
1005
B
C2925
10
10V
2125
B
C2915
0.1
10V
1005
B
C2916
0.1
10V
1005
B
C2926
10
10V
2125
B
C2905
0.1
10V
1005
B
C2906
0.1
10V
1005
B
C2863
10
10V
2125
B
C2872
0.1
10V
1005
B
C2879
0.1
10V
1005
B
C2862
10
10V
2125
B
C2873
0.1
10V
1005
B
C2880
0.1
10V
1005
B
C2885
0.1
10V
1005
B
C2878
0.1
10V
1005
B
C2871
0.1
10V
1005
B
C2861
10
10V
2125
B
C2856
10
10V
2125
B
C2881
0.1
10V
1005
B
C2874
0.1
10V
1005
B
C2867
0.1
10V
1005
B
C2864
0.1
10V
1005
B
C2857
0.1
10V
1005
B
C2908
0.1
10V
1005
B
C2891
0.1
10V
1005
B
C2870
0.1
10V
1005
B
C2883
0.1
10V
1005
B
C2866
0.1
10V
1005
B
C2859
0.1
10V
1005
B
C2869
0.1
10V
1005
B
C2876
0.1
10V
1005
B
C2875
0.1
10V
1005
B
C2868
0.1
10V
1005
B
C2865
0.1
10V
1005
B
C2858
0.1
10V
1005
B
C2882
0.1
10V
1005
B
C2904
0.1
10V
1005
B
C2884
0.1
10V
1005
B
C2877
0.1
10V
1005
B
C2860
10
10V
2125
B
K10
K12
K9
L10
L13
L14
L3
L4
L5
L9
M14
M3
M4
M5
M9
N14
N9
P12
P14
P9
V15
V17
V6
V8
AB1
AB22
AB9
D1
J5
L11
L12
M10
M11
M12
M13
N10
N11
N12
N13
P10
P11
P13
P18
P3
P5
T3
U18
U5
V13
V16
V5
V9
W4
Y3
Y7
K14
IC2801
R8J66955BG
SCALER IC
E15
J13
A20
E17
G18
H22
J14
J19
K13
B20
E16
E22
D15
C16
C15
D14
E9
E11
E13
A16
C8
D11
A14
D8
D12
E8
E10
A8
E12
F18
C13
C14
B14
D13
K18
E3
B3
B1
A2
D3
E5
C5
E4
V14
V18
K5
H5
J10
J11
J12
J9
K11
R18
V10
V12
W11
N18
W10
V11
Y11
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST
NOTE:THE DC VOLTAGE AT EACH PART WAS MEASURED
W801
W840
B2809
HCB1608KF-221T20
B2803
HCB1608KF-221T20
B2807
HCB1608KF-221T20
B2810
HCB1608KF-221T20
B2811
HCB1608KF-121T20
B2812
HCB1608KF-121T20
B2814
HCB1608KF-121T20
B2817
HCB1608KF-121T20
B2818
HCB1608KF-121T20
B2813
HCB1608KF-121T20
A1.8V
D1.25V
D3.3V
A3.3V
A1.8V
GND
HDMI_A3.3V
H-60
H-59
SCALER POWER SCHEMATIC DIAGRAM
(DIGITAL PCB)
FROM REGULATOR
26LV610U
PCBDH0
CEH440
0
0
3.3
0
0
0
3.3
3.3
0
0
3.3
3.3
3.3
3.3
0
0
0
0
0
0
0
3.3
3.3
3.3
1.8
1.8
1.8
0
0
1.8
3.3
3.3
3.3
3.3
1.8
1.8
1.8
1.8
1.8
1.8
1.8
1.8
1.8
1.8
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
1.8
1.8
1.8
1.8
1.8
3.3
3.3
3.3
3.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1.3
1.3
1.3
1.3
1.3
1.3
1.3
1.3
1.3
1.3
1.3
1.3
1.3
1.3
1.3
1.3
1.3
1.3
1.3
1.3
1.3
1.3
1.3
1.3
FROM REGULATOR
TO HDMI
VDD
VDD
VDD
VDD
VDD
VDD
VDD
VDD
VDD
VDD
VDD
VDD
VDD
VDD
VDD
VDD
VDD
VDD
VDD
VDD
VDD
VDD
VDD
VDD
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
Core Power
VDD18HDMI
VDD18HDMI
VDD18HDMI
VSSHDMI
VSSHDMI
VSSHDMI
VSSHDMI
VSSHDMI
VSSHDMI
VSSHDMI
VDD33HDMI
VDD33HDMI
VDD33HDMI
VDD33IO
VPPOTP
VSSIO
VSSIO
HDMI Power
AVDD18
AVDD18
AVDD18
AVDD33
AVDD33
AVDD33
AVSS
AVSS
AVSS
AVSS
AVSS
AVSS
AVSS
Video ADC Power
PLLVDD
DLLVDD
VDD33_PLL
VDD33_PLL
PLLVSS
DLLVSS
Video PLL POWER
AVDD33AUA
AVDD33AUA
AVSSAUA
AVSSAUA
AVSSAUA
Audio ADC POWER
AVDD33AUD
AVSSAUD
AVSSAUD
Audio DAC Power
VCCQ33
VCCQ33
VCCQ33
VCCQ33
VDD18
VDD18
VDD18
VDD18
VDD18
PLL1DVDD
PLL2DVDD
PLL3DVDD
PLL4DVDD
PLL1AVCC
PLL2AVCC
PLL3AVCC
PLL4AVCC
PLL POWER
IO POWER
F/E POWER