Scaler Video/Audio - Sanyo DP19640 Service Manual

A B
8
FROM/TO JACK
AV1_CVBS
PC_V
PC_H
VGA-G
VGA-B
VGA-R
7
SPDIF
DVI_L
DVI_R
6
AV3_PR
AV3_PB
AV3_Y
FROM/TO SCALER POWER
5
LPF3.3V
VGA-R
REXT1.8V
VGA-G
FROM/TO JACK2
VGA-B
AV1_CVBS
AV3_Y
PC_V
AV3_PB
PC_H
AV3_PR
4
AV1_L
AV1_R
LPF3.3V
AV2_L
AV2_R
REXT1.8V
AV1_L
3
AV1_R
FROM/TO REGULATOR
GND
AV2_L
2
AV2_R
1
NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
A B
G-15
C
SCALER VIDEO/AUDIO SCHEMATIC DIAGRAM
SCALER IC
IC2801
R8J66975BG
NC C9 VIN5A
C2944
1.0
C11 VIN6A
10V 0.1 B 1005
3
NC A8 VIN4A
NC B7 VIN4B
NC B6 VIN8A
NC A10 VIN5A(DVD_Y)
NC C7 VIN5B(DVD_C)
C2958
1.0
A15 SSIN1
10V 0.1 B 1005
8
C2937
1.0
C12 VIN2A
10V 0.1 B 1005
9
C2940
0.6
A7 VIN2B
10V 0.1 B 1005 C2953
0
A6 VRP
10V 0.1 B
10
C2957
1.0
B8 VIN2C
10V 0.1 B 1005 C2954
0
B10 VRM
10V 0.1 B
C2932
1.2
A12 VIN1A
10V 0.1 B 1005 C2955
0
B13 VREFA
C2934 10V 0.1 B
1.2
B12 VIN1B
10V 0.1 B 1005 C2939
0
B11 VREFB
C2933 10V 0.1 B
1.2
D9 VIN1C
10V 0.1 B 1005 C2956
0
A9 VREFC
10V 0.1 B
2.0
B15 VSIN
2.0
B14 HSIN
C2936 R2861
3.3
H4 LPF
10V 0.1 B 1K 1/16W 1005
R2856
1.8
D11 REXT
6.8K 1/16W +-1%
C2945
10V 0.1 B
11
C2946
1.8
C4 AINL0
10V 1 B
1608
12
C2948
1.8
B5 AINR0
10V 1 B
1608
C2950
0
A1 VCOM
Audio ADC
10V 0.1 B
C2951
10V 10 B 2125
C2923
1.8
AINL1
C3
10V 1 B
1608
C2952
1.8
B4 AINR1
10V 1 B
1608
NC B3 AINRT
NC C1 AINL2
NOTE:THE DC VOLTAGE AT EACH PART WAS MEASURED
C
D E
(MAIN PCB)
3.3
SPDIF
SPDIF SPDIFO L2
0
YOUT B9
C2888
0
YIN A13
10V 0.1 B 1005
C2914
0
SSIN3 A14
10V 0.1 B 1005
SSIN2 C14 NC
VIN3A A11 NC
VIN3B C8 NC
VIN3C D8 NC
R2867
3.0
DA_LOUT G1
4.7K 1/16W 1005
R2866
3.0
Audio DAC
DA_ROUT G2
C2961
4.7K 1/16W 1005
50V 0.001 B
C2960
1.6
DA_VCOM G3
10V 0.1 B
C2959
16V 22 MH7_P
3.3
BCKO L1
NC
3.3
ADATAO M2 NC
IIS OUTPUT
3.3
LRCKO M1 NC
3.3
ACLK
L3 NC
AINR2 A2 NC
AINL3 C2 NC
AINR3 A3 NC
C2972
1.8
DVI_L
AINL4 B2
10V 1 B
1608
C2974
1.8
DVI_R
AINR4 A4
10V 1 B
1608
AINL5 B1 NC
AINL5 A5 NC
WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST
WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
D E
F G
FROM/TO REGULATOR
W913 W832
LOUT_SOUND
W914 W834
ROUT_SOUND
F G
H
8
7
6
5
4
3
2
PCBF40
CMK178
1
H
G-16