Scaler Video/Audio - Sanyo DP26670 Service Manual

A B
8
FROM/TO JACK
PC_V
PC_H
VGA-G
VGA-B
VGA-R
SPDIF
DVD_Y/BD_PB
DVD_C/BD_PR
7
PC/DVI_L
PC/DVI_R
DVD_L
DVD_R
FROM/TO JACK2
AV1_Y
6
AV1_C
AV1_CVBS
AV2_CVBS
AV3_Y
AV3_PR
AV3_PB
AV1_L
AV1_R
AV2_L
AV2_R
5
FROM/TO SCALER POWER
REXT1.8V
LPF3.3V
FROM/TO SOUND
IIS_WS
IIS_SDATA
IIS_SCK
4
IIS_MCLK
3
FROM/TO REGULATOR
GND
2
1
NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
A B
G-23
C
SCALER VIDEO/AUDIO SCHEMATIC DIAGRAM
3
C2944
AV1_CVBS
10V 0.1 B 1005
4
C2943
AV1_Y
10V 0.1 B 1005
5
C2938
AV1_C
10V 0.1 B 1005
C2900
AV2_CVBS
10V 0.1 B 1005
C2941
DVD_Y/BD_PB
10V 0.1 B 1005
C2942
DVD_C/BD_PR
10V 0.1 B 1005
C2958
10V 0.1 B 1005
8
C2937
AV3_Y
10V 0.1 B 1005
9
C2940
AV3_PB
10V 0.1 B 1005 C2953
10V 0.1 B
10
C2957
AV3_PR
10V 0.1 B 1005 C2954
10V 0.1 B
C2932
VGA-R
10V 0.1 B 1005 C2955
C2934 10V 0.1 B
VGA-G
10V 0.1 B 1005 C2939
C2933 10V 0.1 B
VGA-B
10V 0.1 B 1005 C2956
10V 0.1 B
PC_V
PC_H
C2936 R2861
LPF3.3V
10V 0.1 B 1005 1K 1/16W 1005
R2856
REXT1.8V
C2945
6.8K 1/16W +-1%
10V 0.1 B
11
C2946
AV1_L
10V 1 B 1608
C2948
AV1_R
10V 1 B 1608
C2950
10V 0.1 B 1005
C2951
10V 10 B 2125
C2923
AV2_L
10V 1 B 1608
C2952
AV2_R
10V 1 B 1608
R2880 C2967
DVD_L
220 1/16W 10V 1 B 1608
1005
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.
C
D E
(DIGITAL PCB)
SCALER IC2801 R8J66975BG
3.3
NC C9 VIN5A SPDIF SPDIFO L2
1.0
C11 VIN6A
YOUT B9
C2888
YIN A13
1.0
A8 VIN4A 10V 0.1 B 1005
C2914
SSIN3 A14
10V 0.1 B 1005
0.6
B7 VIN4B SSIN2 C14 NC
1.0
B6 VIN8A
VIN3A A11 NC
1.6
A10 VIN5A(DVD_Y)
1.8
C7 VIN5B(DVD_C)
VIN3B C8 NC
1.0
A15 SSIN1
1.0
C12 VIN2A
VIN3C D8 NC
0.6
A7 VIN2B
0
A6 VRP
3.0
DA_LOUT G1
1.0
B8 VIN2C
0
B10 VRM
1.2
A12 VIN1A
3.0
Audio DAC
DA_ROUT G2
0
B13 VREFA
1.2
B12 VIN1B
C2960
1.6
0
DA_VCOM G3
B11 VREFB
10V 0.1 B
1.2
D9 VIN1C
0
A9 VREFC
2.0
B15 VSIN
2.0
B14 HSIN
3.3
H4 LPF
BCKO L1
ADATAO M2
1.8
IIS OUTPUT
D11 REXT
LRCKO M1
ACLK
L3
C2984
1.8
C4 AINL0 AINR2 A2
10V 1 B 1608
12
1.8
B5 AINR0 AINL3 C2 NC
0
A1 VCOM
Audio ADC
AINR3 A3
NC
C2972
C3 AINL1
AINL4 B2
10V 1 B 1608
C2974 1608
B4 AINR1 AINR4 A4
10V 1 B
NC B3 AINRT
AINL5 B1 NC
C1 AINL2
AINL5 A5 NC
D E
F G
W855
SPDIF
R2867
4.7K 1/16W 1005
R2866
4.7K 1/16W 1005
C2959
16V 22 MH7_P
IIS_SCK
IIS_SDATA
IIS_WS
IIS_MCLK
R2892
DVD_R
220 1/16W
1005
PC/DVI_L
PC/DVI_R
DIGITAL AUDIO SIGNAL(PB)
F G
H
8
7
6
FROM/TO JACK2
LOUT
ROUT
5
4
3
2
PCBDH0
CEJ554
1
H
G-24