Sanyo DP19640 Service Manual page 36

A B
8
FROM/TO JACK
TU_CVBS
PC_V
7
C2944
PC_H AV1_CVBS
AV3/AV4_Y
AV1_CVBS
C2943
AV1_Y
VGA-G
VGA-B
VGA-R
C2938
AV1_C
AV3/AV4_PR
SPDIF
AV3/AV4_PB
AV1_Y
6 AV1_C
FROM/TO SCALER
C2937
AV3/AV4_Y
SP_MUTE 0.1 B
C2940
AV3/AV4_PB
0.1 B
5
FROM/TO TUNER
C2957
AV3/AV4_PR
TU_CVBS
0.1 B
FROM/TO AUDIO SWITCH
C2932
VGA-R
SW_AUDIO_L
0.1 B
SW_AUDIO_R
C2934
VGA-G
0.1 B
C2933
VGA-B
4
0.1 B
PC_V
PC_H
FROM/TO REGULATOR
C2936
A3.3V
0.1 B
R2856
A1.8V
6.8K
1/16W
FILTER_MUTE
GND
3
SW_AUDIO_L
SW_AUDIO_R
2
NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
1
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
A B
G-15
C
SCALER VIDEO/AUDIO SCHEMATIC DIAGRAM
SCALER
IC2801 R8J04012BG
C2952
1.9
B11 VIN6A
0.1 B
1.0
A11 VIN5A
0.1 B
4
1.0
A12 VIN4A
0.1 B
5
1.0
B9 VIN4B
0.1 B
6
A15 SSIN2
NC
NC A13 VIN2A
NC
B10 VIN2B(DVD_Y)
1.6
NC
B7 VIN2C(DVD_C)
1.6
C2958
1.0
B15 SSIN1
0.1 B
7
1.0
B13 VIN1A
8
1.0
A10 VIN1B
C2953
0
D9 VRP
0.1 B
9
1.0
A7 VIN1C
C2954
0
DA_LOUT C4
C9 VRM
0.1 B
1.2
A6 VIN3C
C2955
0
C11 VREFA
0.1 B
1.2
B12 VIN3A Audio DAC
DA_ROUT A3
C2939
0
C10 VREFB
0.1 B
1.2
A9 VIN3B
C2956
0
B8 VREFC
0.1 B
2.0
B16 VSIN
DA_VCOM D4
2.0
B17 HSIN
R2861
3.3
C12 LPF
1K 1/16W
1.8
D10 REXT
C2945
+-1%
BCKO K3
0.1 B
ADATAO K4
IIS OUTPUT
LRCKO H4
ACLK
J4
10
R2857 C2946
1.7
B2 AINL
220 1/16W 1 B
11
R2858 C2948
Audio ADC
1.7
A1 AINR
220 1/16W 1 B
C2950
0
C3 VCOM
SPDIF SPDIFO J3
0.1 B
C2951
10V 10 B
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
(MAIN PCB)
R2867
3.0
4.7K 1/16W
R2866
3.0
4.7K 1/16W
FILTER_MUTE
C2960
1.6
SP_MUTE
0.1 B
NC
NC
NC
NC
W855
3.3 SPDIF
CAUTION: DIGITAL TRANSISTOR
D E
F G
W913
10K 1/16W
R2837
W914
10K 1/16W
R3431
470 1/16W
MUTE SW
12.5
Q3407
D3403
0
KRC102SRTK
MA111
0
F G
H
8
7
6
5
FROM/TO REGULATOR
R2836
LOUT_SOUND
ROUT_SOUND
4
3
2
PCBF40
CMJ156
1
H
G-16