ABC D E F GH
ABC D E F GH
2
1
3
4
5
6
7
8
2
1
3
4
5
6
7
8
M4
M5
E8
E10
E12
K10
K11
K12
L10
L11
L12
M10
M11
M12
U7
E6
E11
U5
U8
E5
E7
E9
E15
J9
J10
J11
J12
J13
K9
K13
L9
L13
M9
M13
N9
N10
N11
N12
N13
T5
U6
U9
IC2801 R8J66954BG
SCALER IC
J4
K4
L4
F5
G5
H4
J5
L5
P4
N5
T4
P5
V3
W1
Y3
Y4
J3
U4
H5
R5
K3
U3
V2
T3
K5
R4
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
C2885
0.1B
C2884
1B
C2902
0.1B
C2907
0.1B
C2908
0.1 B C2911
1B
C2913
1B
C2909
0.1B
C2920
0.1B
C2906
0.1B
C2910
1B
C2912
1B
C2918
0.1B
C2919
0.1B
C2922
0.1B
C2887
0.1B
C2917
0.1B
C2903
0.1B
C2904
0.1B
C2890
1B
C2898
1B
C2894
0.1B
C2901
0.1B
C2896
1B
C2900
0.1B
C2921
2210V V-S C2923
2210V V-S
C2924
2210V V-S C2905
3304V V-S
C2914
3304V V-S
C2883
2210V V-S
C2882
1004V V-S
C2891
2210V V-S
B2811
HCB1608KF-221T20
B2810
HCB1608KF-221T20
B2815
HCB1608KF-121T20
B2816
HCB1608KF-121T20
B2817
HCB1608KF-121T20
B2820
HCB1608KF-121T20
B2821
HCB1608KF-121T20
B2822
HCB1608KF-121T20
W849
W848
W809
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
AD_A3.3V
D1.0V
D1.8V
GND
D3.3V
TO SCALER VIDEO/AUDIO

H-20H-19

CEH420
PCBDH0
FROM/TO REGULATOR
SCALER POWER SCHEMATIC DIAGRAM
(DIGITAL PCB)
AVDDA
AVDDB
AVDDC
ADVSS
ADVSS
ADVSS
ADVSS
ADVSS
VCC33AD_A
VSS33AD_A
VCC33DA_A
DLLVSS
PLLVSS
DLLVDD
PLLVDD
VDD33
VDD33
VDD18
VSS33
VSS33
A3.3V
D3.3V
D1.8V
VSS33ADDA
VDD33ADDA
VDD18
VSS18
VSS18
VCCQ33
VCCQ33
VCCQ33
VCCQ33
VCCQ33
VDD
VDD
VDD
VDD
VDD
VDD
VDD
VDD
VDD
VDD
VDD
VDD
VDD
VDD
VDD
VDD
VDD
VDD
VDD
VDD
VDD
VDD
DVDDABC
DVSSABC
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
GND
Core_Power
Io_Power
A3.3V
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
3.3
3.3
3.3
3.3
3.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3.3
VSS33DA_A
3.3
3.3
3.3
0
0
0
0
0
3.3
0
3.3
0
3.3
0
3.3
0
3.3
3.3
0
0
3.3
0
1.8
1.8
0
0