Toshiba 19LV505 Service Manual page 104

A B
8
7
B2810
HCB1608KF-221T20
B2812
6
HCB1608KF-221T20
5
B2811
HCB1608KF-221T20
4
FROM REGULATOR
3
D1.0V
D1.8V
GND
D3.3V
2
1
A B
H-27
C D
SCALER POWER SCHEMATIC DIAGRAM
(DIGITAL PCB)
SCALER IC
IC2801 R8J66954BG
3.36
E5 VCCQ33
3.36
E6 VCCQ33
3.36
E11 VCCQ33
3.36 Io_Power
U5 VCCQ33
3.36
U8 VCCQ33
0
E7 VDD
1.86
E9 VDD
1.03
E15 VDD
1.08
J9 VDD
1.08
J10 VDD
1.08
J11 VDD
1.08
J12 VDD
1.08
J13 VDD
1.08
K9 VDD
1.08
K13 VDD
1.08 Core_Power
L9 VDD
1.08
L13 VDD
1.08
M9 VDD
1.08
M13 VDD
1.08
N9 VDD
1.08
N10 VDD
1.08
N11 VDD
1.08
N12 VDD
1.08
N13 VDD
1.00
T5 VDD
1.03
U6 VDD
1.03
U9 VDD
3.32
M4 DVDDABC
0
M5 DVSSABC
1.8
E8 VSS
0
E10 VSS
0
E12 VSS
0
K10 VSS
0
K11 VSS
0
K12 VSS
0
L10 VSS GND
0
L11 VSS
0
L12 VSS
0
M10 VSS
0
M11 VSS
0
M12 VSS
0
U7 VSS
NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
C D
E
B2813
3.30
AVDDA J4
HCB1608KF-121T20
3.30
AVDDB K4
3.25
AVDDC L4
0
ADVSS F5
0
G5
ADVSS
0
ADVSS H4
0
J5
ADVSS
0
L5
ADVSS
B2814
3.30
PLLVDD P4
HCB1608KF-121T20
A3.3V
0
PLLVSS N5
B2815
3.32 A3.3V
DLLVDD T4
HCB1608KF-121T20
0
DLLVSS P5
B2816
VCC33AD_A
V3
HCB1608KF-121T20
0
VSS33AD_A
W1
B2817
3.30
VCC33DA_A Y4
HCB1608KF-121T20
0
VSS33DA_A Y3
3.31 B2820
VDD33 J3
HCB1608KF-121T20
3.36
VDD33 U4
0
VSS33 H5
0
VSS33 R5
D3.3V
B2821
3.30
VDD33ADDA V2
HCB1608KF-121T20
0
VSS33ADDA U3
B2822
1.84
VDD18 K3
1.85 HCB1608KF-121T20
VDD18 T3
D1.8V
0
VSS18 K5
0
VSS18 R4
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.
E
F G
FROM/TO SCALER VIDEO/AUDIO
AD_A3.3V
TO HDMI
F G
19LV505/19LV506
H
8
7
6
5
VDD33
4
3
2
PCBDH0
CEG360
1
H
H-28