Scaler Power - Sanyo DP19649 Service Manual

A B
8
W840
7
6
5
4
HCB1608KF-221T20
HCB1608KF-221T20
3
FROM REGULATOR
D3.3V
HCB1608KF-221T20
D1.25V
HCB1608KF-221T20
2
GND
1
A B
G-11
C
SCALER POWER SCHEMATIC DIAGRAM
1.3
K10 VDD
1.3
K12 VDD
1.3
K9 VDD
1.3
L10 VDD
1.3
L13 VDD
1.3
L14 VDD
1.3
L3 VDD
1.3
L4 VDD
1.3
L5 VDD
1.3
L9 VDD
1.3
M14 VDD
1.3
M3 VDD
1.3
M4 VDD
1.3
VDD
M5
1.3
M9 VDD
1.3
N14 VDD
1.3
N9 VDD
1.3
P12 VDD
1.3
P14 VDD
1.3
P9 VDD
1.3
V15 VDD
1.3
V17 VDD
1.3
V6 VDD
1.3
V8 VDD
0
AB1 VSS
0
AB22 VSS
0
AB9 VSS
0
D1 VSS
0
J5 VSS
0
L11 VSS
0
L12 VSS
0
M10 VSS
0
M11 VSS
0
M12 VSS
0
M13 VSS
0
N10 VSS
0
N11 VSS
0
N12 VSS
0
N13 VSS
0
P10 VSS
0
P11 VSS
0
P13 VSS
0
P18 VSS
0
P3 VSS
0
P5 VSS
0
T3 VSS
0
U18 VSS
0
U5 VSS
0
V13 VSS
0
V16 VSS
0
V5 VSS
0
V9 VSS
0
W4 VSS
0
Y3 VSS
0
Y7 VSS
B2807
3.3
H5 VCCQ33
3.3
K5 VCCQ33
3.3
V14 VCCQ33
3.3
V18 VCCQ33
1.8
J10 VDD18
1.8
J11 VDD18
1.8
B2803 J12 VDD18
1.8
J9 VDD18
1.8
K11 VDD18
B2809
3.3
Y11 PLL1AVCC
3.3
V11 PLL2AVCC
3.3
W10 PLL3AVCC
3.3
N18 PLL4AVCC
B2810
1.25
W11 PLL1DVDD
1.25
V12 PLL2DVDD
1.25
V10 PLL3DVDD
1.25
R18 PLL4DVDD
NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
C
D E
(DIGITAL PCB)
SCALER IC IC2801 R8J66955BG
1.8
VDD18HDMI E15
1.8
J13
VDD18HDMI
1.8
VDD18HDMI K14
0
VSSHDMI A20
0
VSSHDMI E17
0
VSSHDMI G18
0
VSSHDMI H22
0
VSSHDMI J14
0
VSSHDMI J19
0
VSSHDMI K13
3.3
VDD33HDMI B20
3.3
VDD33HDMI E16
3.3
VDD33HDMI E22
3.3
VDD33IO D15
1.8
VPPOTP C16
0
VSSIO C15
0
VSSIO D14
1.8
AVDD18
E9
1.8
AVDD18 E11
1.8
AVDD18 E13
3.3
AVDD33 A16
3.3
AVDD33 C8
3.3
AVDD33 D11
0
AVSS
A8
0
AVSS A14
0
AVSS D8
0
AVSS D12
0
AVSS E8
0
AVSS E10
0
AVSS E12
3.3
VDD33_PLL F18
3.3
VDD33_PLL K18
3.3
PLLVDD C13
3.3
DLLVDD C14
0
PLLVSS B14
0
DLLVSS D13
3.3
AVDD33AUA B3
3.3
AVDD33AUA E3
0
AVSSAUA A2
0
AVSSAUA B1
0
AVSSAUA D3
3.3
AVDD33AUD E5
0
AVSSAUD C5
0
AVSSAUD E4
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.
D E
F G
B2813
BLM18PG121SN1D
B2814
BLM18PG121SN1D
B2811
BLM18PG121SN1D
B2812
BLM18PG121SN1D
W801
B2817
BLM18PG121SN1D
B2818
BLM18PG121SN1D
F G
H
8
7
TO HDMI
HDMI_A3.3V
6
5
4
3
FROM REGULATOR
A3.3V
A1.8V
2
PCBDH0
CEH432
1
H
G-12