Scaler Power - Sanyo DP32671 Service Manual

A B
8
FROM T-CON
VDD12_CPU
FROM REGULATOR
AVDD12_CPU
7
VCCQ18_DDR
A3.3V
D3.3V
VCC33STB_CPU
GND
6
TO SCALER VIEDO/AUDIO
AVDD33V
TO HDMI
AVDD33V
5
TO DDR2
VCCQ18
4
3
2
FROM MICON
1.2V_EN
GPY10
1
A B
G-19
C D
SCALER POWER SCHEMATIC DIAGRAM
(MAIN PCB)
B2803
BLM21PG600SN1D
B2811
HCB1608KF-221T20
B2812
HCB1608KF-221T20
B2813
HCB1608KF-221T20
B2807
HCB1608KF-221T20
B2808
HCB1608KF-221T20
B2809
HCB1608KF-221T20
B2810
HCB1608KF-221T20
B2806
HCB1608KF-221T20
1.2V SW
Q2808
SSM3K104TU
1.2 1.2
3.3
R2844
100 1/16W 1005
NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
C D
E F
SCALER IC
IC2801
R8A66983BG-U0
G5 VDD12A VSS12A F6
G6 VDD12A VSS12B F7
H6 VDD12A VSS12B G7
J7 VDD12B VSS12D H7
J11 VDD12G VSS12D H8
K7 VDD12B VSS12E H9
K11 VDD12G VSS12F H10
Core 1.2V
L8 VDD12C VSS12I H11
L9 VDD12D VSS12C J6
M9 VDD12E VSS12G J8
N9 VDD12E VSS12E J9
P9 VDD12E VSS12F J10
VSS12G K8
VSS12G K9
VSS12G K10
VSS12H T8
AVDD12PLLA AVSS12PLLA
J13 H13
PLL 1.2V
K6 AVDD12PLLB(VDD12B)
M11 AVDD12PLLC(VDD12F)
M10 AVDD12USB USB 1.2V AVSS12USB L10
E8 AVDD12VADC AVSS12VADC G8
Video ADC 1.2V
F8 AVDD12VADC AVSS12VADC G9
AVDD12VADC
F9 AVSS12VADC G10
G11 VDDCLK Clock 1.2V VSSCLK F10
VCCQ18A
H5 VSSQ18A K5
DDR2 1.8V
J5 VCCQ18A VSSQ18A L5
M4 VCCQ18B VSSQ18C L6
M6 VCCQ18D VSSQ18C L7
M7 VCCQ18E VSSQ18B P2
M8 VCCQ18E
N6 VCCQ18D
T1 VCCQ18C
E10 AVDD33VADC VideoADC 3.3V AVSS33VADC E9
C2 AVDD33HDMI AVSS33HDMI D2
HDMI 3.3V
C3 AVDD33HDMI AVSS33HDMI D3
E11 AVDD33VPLL VideoPLL 3.3V AVSS33VPLL D12
N11 AVDD33USB(VCCQ33C) USB 3.3V
AudioDAC
D6 AVDD33ADAC AVSS33ADAC D5
E6 AVDD33AADC AudioADC AVSS33AADC E7
F5 VCCQ33A IO 3.3V VSSQ33A F4
G4 VCCQ33A VSSQ33B K12
J12 VCCQ33B VSSQ33B L11
K13 VCCQ33B
L12 VCCQ33B
Standby 3.3V
F12 VCC33STB VSS33STB H12
VCC33STB
G12
1.2
Core 1.2V
E12 VDD12STB VSS12STB F11
Cut power during
deep standby mode
(PD1)VDDFUSE1 E3
(PD1)VDDFUSE2 E4
(PD1)FUSEMON1 D4
(PD1)FUSEMON2 E5
EXT_CS H14
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 H
8
7
6
5
4
3
2
PCBF40
CMK199
1
G H
G-20