Scaler Video/Audio - Sanyo DP26671 Service Manual

26" hdtv lcd/dvd combo
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A
B
8
7
FROM/TO JACK
ACLK0
SP_MUTE/ADTAO0
LRCKO
BCKO
AUDIO_PWM/AV_SW1
DVD_Y
DVD_C
DVD_L
DVD_R
6
PC_V
PC_H
VGA-G
VGA-B
VGA-R
PC/DVI_L
PC/DVI_R
AV1_CVBS
AV3_Y
AV3_PR
AV3_PB
SW
AV1_L
AV1_R
ADDB ADDA
5
SPDIF
0
0
LOUT
0
1
DVI_A_IN_L/R
1
0
DVD_L/R
ROUT
1
1
AV1_A_IN_L/R
DVD-H
AV2_CVBS
AV2_R
AV2_L
SW
Q2801
RT1N241C
0
5.0
FROMTO MICON
4
0
RED_LED
SW
Q2802
RT1N241C
0
5.0
0
FROM/TO SCLAER POWER
AVDD33V
3
FROM/TO REGULATOR
D3.3V
D5.0V
GND
2
NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
1
A
B
G-23
C
AV1_CVBS
AV2_CVBS
DVD_Y
DVD_C
AV3_Y
AV3_PB
AV3_PR
VGA-R
VGA-G
8
7
6
5
4
3
2
1
VGA-B
PC_V
PC_H
9
10
11
12
13
14
15
16
AVDD33V
R2802
10K 1/16W
1005
R2811
10K 1/16W
1005
ASEL_L
C2833
16V
0.01
B
1005
ASEL_R
C2834
10V
0.1
B
1005
C2911
B2802
EBMS160808A221 0.6A
6.3V
22
B
2125
C2910
6.3V
22
B
2125
AV_SW0
DVD-H
NOTE:THE DC VOLTAGE AT EACH PART WAS MEASURED
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
C
D
E
SCALER VIDEO/AUDIO SCHEMATIC DIAGRAM
(MAIN PCB)
SCALER IC
IC2801
R8A66983BG-U0
SPDIF
SPDIFO
3
C2875
1.0
B9
VIN2A
10V
0.1
B
1005
C2912
D9
VIN4A
10V
0.1
B
1005
6
C2876
A10
VIN6A(DVD_Y)
10V
0.1
B
1005
7
DA1_LOUT
C2877
C8
VIN2B(DVD_C)
10V
0.1
B
1005
DA1_ROUT
C2878
1.0
DA0_LOUT
C10
SSIN1
16V
0.01
B
1005
C2879
1.0
C9
VIN3A
10V
0.1
B
DA0_ROUT
8
1005
C2880
0.6
D8
VIN3B
10V
0.1
B
9
1005
C2881
1.0
B11
VIN3C
10V
0.1
B
10
1005
DA_VCOM
C2882
1.2
C11
VIN2C
10V
0.1
B
1005
0
1.2
C2883
A9
VIN1A
10V
0.1
B
1005
0
C2884
1.2
C7
VIN1B
10V
0.1
B
1005
0
2.0
B14
VSIN
2.0
A14
HSIN
C2887
W933
10V
0.22
B
1005
1005
3.3
C12
LPF
R2856
1.8
D11
REXT
C2885
10K 1/16W 1005
B10
VRP
10V
0.1
B
1005
C2886
A11
VRM
10V
0.1
B
1005
D10
LDOOUT
C2899
10V
1
B
1608
GPY09(AUDIO_PWM/STANDBY_L)
11
R2801
C2894
1.8
A8
AINL3
220 1/16W 1005
10V
10
B
2125
ACLK(XTI)
12
R2851
C2897
1.8
B8
AINR3
220 1/16W 1005
10V
10
B
2125
M32TRST_N
C2888
D7
VCOML
B
2125
10V
10
M32TCK(BICKI)
C2891
C6
VCOMR
10V
10
B
2125
M32TMS(LRCKI)
M32TDO(STANDBY_LED_CTL)
D1
RFAGC(AV_SW0)
M32TDI(SP_MUTE/SDI)
E2
SANT(AV_SW1)
WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST
WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
D
E
F
G
3.3
SPDIF
N10
LOUT
B7
NC
ROUT
NC
A7
R2858
3.0
B6
4.7K 1/16W 1005
R2859
3.0
A6
4.7K 1/16W 1005
C2902
1.6
C5
10V
10
B
2125
3.3
AUDIO_PWM/AV_SW1
G13
ACLK0
C1
JG2807
G2
JG2808
BCKO
E1
JG2809
LRCKO
G3
JG2812
RED_LED
G1
R2857
1K
1/16W 1005
JG2810
SP_MUTE/ADTAO0
F1
CAUTION: DIGITAL TRANSISTOR
F
G
H
8
7
C2905
R2866
10V
10
B
2125
10K 1/16W
C2906
R2867
10V
10
B
2125
10K 1/16W
6
5
4
3
2
PCBF40
CMK201
1
H
G-24

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