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
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
F6
F7
G7
H7
H8
H9
H10
H11
J6
J8
J9
J10
K8
K9
K10
T8
IC2801
R8A66983BG-U0
SCALER IC
G5
G6
H6
J7
J11
K7
K11
L8
L9
M9
N9
P9
F12
G12
H12
E12
F11
E3
E4
D4
E5
H14
L10
G8
G9
G10
F10
K5
L5
L6
L7
P2
E10
E11
E9
D2
D3
C2
C3
D12
M10
E8
F8
F9
G11
H5
J5
M4
M6
M7
M8
N6
T1
J13
K6
M11
H13
N11
D6
E6
F5
G4
J12
K13
L12
D5
E7
F4
K12
L11
S
D
G
Q2808
SSM3K104TU
1.2V SW
C2859
0.1
10V
1005
B
C2855
0.1
10V
1005
B
C2847
0.1
10V
1005
B
C2924
0.1
10V
1005
B
C2917
22
6.3V
2125
B
C2873
0.1
10V
1005
B
C2868
0.1
10V
1005
B
C2865
0.1
10V
1005
B
C2866
0.1
10V
1005
B
C2867
0.1
10V
1005
B
C2858
0.1
10V
1005
B
C2850
0.1
10V
1005
B
C2846
0.1
10V
1005
B
C2844
0.1
10V
1005
B
C2869
0.1
10V
1005
B
C2870
0.1
10V
1005
B
C2842
0.1
10V
1005
B
C2840
22
6.3V
2125
B
C2918
22
6.3V
2125
B
C2922
22
6.3V
2125
B
C2864
1
10V
1005
B
C2874
10
10V
2125
B
C2871
0.1
10V
1005
B
C2925
0.1
10V
1005
B
C2921
22
6.3V
2125
B
C2836
22
6.3V
2125
B
C2838
0.1
10V
1005
B
C2839
0.1
10V
1005
B
C2841
0.1
10V
1005
B
C2843
0.1
10V
1005
B
C2845
0.1
10V
1005
B
C2849
0.1
10V
1005
B
C2857
0.1
10V
1005
B
C2863
0.1
10V
1005
B
C2861
0.1
10V
1005
B
C2856
0.1
10V
1005
B
C2862
0.1
10V
1005
B
C2848
22
6.3V
2125
B
C2923
10
6.3V
1608
B
C2872
0.1
10V
1005
B
R2840
33K
1/16W
1005
R2844
100
1/16W 1005
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
B2810
HCB1608KF-221T20
B2806
HCB1608KF-221T20
B2803
BLM21PG600SN1D
B2811
HCB1608KF-221T20
B2812
HCB1608KF-221T20
B2813
HCB1608KF-221T20
B2807
HCB1608KF-221T20
B2808
HCB1608KF-221T20
B2809
HCB1608KF-221T20
VDD12_CPU
AVDD12_CPU
VCCQ18_DDR
A3.3V
D3.3V
VCC33STB_CPU
GND
AVDD33V
AVDD33V
VCCQ18
1.2V_EN
(MAIN PCB)
SCALER POWER SCHEMATIC DIAGRAM
TO DDR2
TO HDMI
TO SCALER VIEDO/AUDIO
FROM REGULATOR
FROM T-CON
G-20
G-19
CMK199
PCBF40
VSS12A
VSS12B
VSS12B
VSS12D
VSS12D
VSS12E
VSS12F
VSS12I
VSS12C
VSS12G
VSS12E
VSS12F
VSS12G
VSS12G
VSS12G
VSS12H
VDD12A
VDD12A
VDD12A
VDD12B
VDD12G
VDD12B
VDD12G
VDD12C
VDD12D
VDD12E
VDD12E
VDD12E
Core 1.2V
VCC33STB
VCC33STB
VSS33STB
VDD12STB
1.2
VSS12STB
EXT_CS
AVSS12USB
USB 1.2V
AVSS12VADC
AVSS12VADC
AVSS12VADC
Video ADC 1.2V
VSSCLK
Clock 1.2V
VSSQ18A
VSSQ18A
VSSQ18C
VSSQ18C
VSSQ18B
DDR2 1.8V
AVDD33VADC
AVDD33VPLL
AVSS33VADC
AVSS33HDMI
AVSS33HDMI
AVDD33HDMI
AVDD33HDMI
AVSS33VPLL
VideoADC 3.3V
HDMI 3.3V
VideoPLL 3.3V
AVDD12USB
AVDD12VADC
AVDD12VADC
AVDD12VADC
VDDCLK
VCCQ18A
VCCQ18A
VCCQ18B
VCCQ18D
VCCQ18E
VCCQ18E
VCCQ18D
VCCQ18C
AVDD12PLLC(VDD12F)
AVDD12PLLA
AVDD12PLLB(VDD12B)
AVSS12PLLA
PLL 1.2V
AVDD33USB(VCCQ33C)
AVDD33ADAC
AVDD33AADC
VCCQ33A
VCCQ33A
VCCQ33B
VCCQ33B
VCCQ33B
AVSS33ADAC
AVSS33AADC
VSSQ33A
VSSQ33B
VSSQ33B
USB 3.3V
AudioDAC
AudioADC
IO 3.3V
Standby 3.3V
Core 1.2V
Cut power during
deep standby mode
(PD1)VDDFUSE1
(PD1)VDDFUSE2
(PD1)FUSEMON1
(PD1)FUSEMON2
GPY10
3.3
1.2
1.2
FROM MICON