Sanyo DP32671 Service Manual page 54

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
5 AV1_R ADDB ADDA
SPDIF
0 0 AV2_A_IN_L/R
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
FROM/TO MICON 0 5.0
4
0
RED_LED
DISC_IN_DET
SW
Q2802
RT1N241C
0 5.0
0
FROM SCLAER POWER
AVDD33V
3
FROM REGULATOR
AT+3.3V
D3.3V
D5.0V
FCM1608KF-221T05
GND
2
NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
1
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
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
6.3V 22 B
2125
C2910
6.3V 22 B
2125
AV_SW0
DVD-H
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
SCALER VIDEO/AUDIO SCHEMATIC DIAGRAM
(MAIN PCB)
SCALER IC
IC2801
R8A66983BG-U0
SPDIF SPDIFO N10
3
C2875
1.0
B9 VIN2A
10V 0.1 B 1005
C2912
D9 VIN4A
10V 0.1 B 1005
4
C2876
A10 VIN6A(DVD_Y)
10V 0.1 B 1005
5 DA1_LOUT B7
C2877
C8 VIN2B(DVD_C)
10V 0.1 B 1005
DA1_ROUT A7
C2878
1.0
DA0_LOUT B6
C10 SSIN1
16V 0.01 B
1005
C2879
1.0
C9 VIN3A
10V 0.1 B
DA0_ROUT A6
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 C5
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
W881 3.3
C12 LPF
1005
10V 0.22 B 1005 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
C2899 10V 1 B 1608
D10 LDOOUT
GPY09(AUDIO_PWM/STANDBY_L) G13
11
R2801 C2894
1.8
A8 AINL3
220 1/16W 1005
10V 10 B
2125
ACLK(XTI) C1
12
R2851 C2897
1.8
B8 AINR3
220 1/16W 1005 10V 10 B 2125
M32TRST_N G2
C2888
D7 VCOML
10V 10 B 2125
M32TCK(BICKI) E1
C2891
C6 VCOMR
10V 10 B 2125 M32TMS(LRCKI) G3
M32TDO(STANDBY_LED_CTL) G1
D1 RFAGC(AV_SW0)
M32TDI(SP_MUTE/SDI) F1
E2 SANT(AV_SW1)
CAUTION: DIGITAL TRANSISTOR
D E
F G
3.3
SPDIF
LOUT
ROUT
NC
NC
R2858 C2905 R2866
3.0
4.7K 1/16W 1005 10V 10 B 2125 10K 1/16W
R2859 C2906 R2867
3.0
4.7K 1/16W 1005 10V 10 B 2125 10K 1/16W
C2902
1.6
10V 10 B 2125
3.3
AUDIO_PWM/AV_SW1
ACLK0
JG2807
JG2808
BCKO
JG2809 LRCKO
JG2812 RED_LED
R2857
1K 1/16W
1005
JG2810 SP_MUTE/ADTAO0
F G
H
8
7
6
5
4
3
2
PCBF40
CMK199
1
H
G-24