Scaler Power - Sanyo DP26670 Service Manual

A B
8
FROM/TO REGULATOR
D1.25V
D3.3V
A1.8V
A3.3V
GND
7
3.3
FROM/TO MICON
1.2V_EN
6
5
B2807
HCB1608KF-221T20
4
B2808
HCB1608KF-221T20
3
2
1
A B
G-19
C
SCALER POWER SCHEMATIC DIAGRAM
1.3
L9
1.3
L10
1.3
L11
1.3
L12
1.3
L13
1.3
L14
1.3
M13
1.3
M20
1.3
N18
1.3
N19
1.3
N20
1.3
P9
1.3
V6
1.3
V8
1.3
V16
FET VDD STB
V12
0
Q3001
V17
0
SSM3K104TU
V5
0
1.2
V9
0
W4
0
Y3
0
1.2
Y7
0
V14
0
Y14
0
P14
0
AB1
0
M18
0
AB9
0
K10
0
K11
0
K12
0
K13
0
K14
0
K18
0
K9
0
M10
0
M11
0
M12
0
M5
0
M9
0
N12
0
N9
0
P12
0
R18
0
P3
0
P5
0
T3
0
U18
0
U5
NC C5
NC D4
3.3
V13
3.3
V15
3.3
M4
3.3
V18
3.3
W10
3.3
K5
3.3
J2
3.3
K4
0
L5
1.8
J10
1.8
J11
1.8
J12
1.8
J9
3.3
P10
3.3
N10
3.3
P11
3.3
P13
3.3
T18
1.3
V10
1.3
N11
1.3
V11
1.3
N13
1.3
N14
M14
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 R8J66975BG
VDD18HDMI
VDD
VDD18HDMI
VDD
VDD
VDD
VSSHDMI
VDD
VSSHDMI
VDD
VSSHDMI
VDD
VSSHDMI
VDD
VSSHDMI
VDD
VSSHDMI
VDD
VDD
VDD
VDD
VDD
VDD33HDMI
VDD
VDD33HDMI
VSS
VDD33_PLL
VSS
VDD33_PLL
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
VDD33IO
VSS
VSS
VSS
RESERVED
RESERVED
VCCQ33
VCCQ33
VCCQ33
VCCQ33
VCCQ33
VDDA33RU
VDDA33USB
VDDA33USB
VSSAUSB
VDD18
VDD18
VDD18
VDD18
VCC33STB
VCC33STB
PLL1AVCC
PLL2AVCC
PLL3AVCC
PLL4AVCC
PLL5AVCC
PLL1DVDD
PLL2DVDD
AVDD33AUD
PLL3DVDD
PLL4DVDD
PLL5DVDD
AVDD33PLL
AVSS33PLL
VDDSTB
NOTE:THE DC VOLTAGE AT EACH PART WAS MEASURED
D E
F
1.8 B2813
D13
1.8
HCB1608KF-121T20
J13
0
E13
0
E16
0
F18
0
G19
0
J14
0
H18
HCB1608KF-121T20
3.3
E18
3.3
G18
3.3
J18
3.3
E17
1.8
VPPOTP E15
1.8
AVDD18
E10
1.8
AVDD18 E12
E9
AVSS18
AVSS18 E11
3.3
D14
0
VSSIO E14
3.3
AVDD33 C13
3.3
AVDD33 C6 HCB1608KF-121T20
3.3
AVDD33 D10
3.3
AVDD33 E8
3.3
AVDD33 D2
0
AVSS
C10
0
AVSS D12
0
AVSS E7
0
AVSS D7
0
AVSS D3
3.3
R22
3.3
L18
B2818
3.3
F5
0
AVSSAUD G5 HCB1608KF-221T20
0
AVSSAUD G4
3.3
H5
0
J5
3.3
MIXVDD33 E5
3.3
MIXVDD33 F4
3.3
MIXVDD33 D1
3.3
MIXVDD33 D5
3.3
MIXVDD33 E4
0
MIXVSS33 E6
0
MIXVSS33 F3
0
MIXVSS33 D6
WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST
WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
F
G H
8
7
B2814
FROM/TO HDMI
HDMI_A3.3V
6
FROM/TO SCALER VIDEO/AUDIO
REXT1.8V
LPF3.3V
5
B2812
4
FROM/TO REGULATOR
STB3.3V
3
2
PCBDH0
CEJ554
1
G H
G-20