Sanyo DP19640 Service Manual page 38

A B
8
7
6
AV1_A_IN_L
DVI_A_IN_L
5
SW_AUDIO_L
YUV_A_IN_L
4
3
2
NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
1
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
A B
G-19
C D
AUDIO SWITCH SCHEMATIC DIAGRAM
NR6501 NR6502
CRA108223JV CRA108223JV
R6503 C6510
4.5
15K 1/16W 1 B
R6504 C6501
4.6
15K 1/16W 1 B
4.5
4.5
R6506 C6516
4.5
15K 1/16W 1 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)
NR6503 NR6504
CRA108223JV CRA108223JV
AUDIO SW
IC6501
TC74VHC4052AFTELKM
5.0
NO0B V+
C6503 R6509
4.5
NO2B NO2A
1 B 15K 1/16W
C6514
4.5
COMB NO1A
1 B
4.5
NO3B
COMA
C6518
4.5
NO1B NO0A
1 B
0 4.5
INH NO3A
0 5.0
V- ADDA
0 5.0
ADDB
GND
E
F G
FROM/TO REGULATOR
GND
B6503
D5.0V
FCM1608KF-221T05
DVI_A_IN_R
FROM/TO SCALER VIDEO/AUDIO
R6510
YUV_A_IN_R
SW_AUDIO_L
15K 1/16W
SW_AUDIO_R
SW_AUDIO_R
R6511
AV1_A_IN_R
15K 1/16W
FROM/TO JACK2
AV1_A_IN_L
AV1_A_IN_R
YUV_A_IN_L
YUV_A_IN_R
GND
FROM/TO JACK
DVI_A_IN_L
DVI_A_IN_R
5.0
SW 0 AV_SW0 FROM/TO SCALER
Q6504
KRC103SRTK
0 AV_SW0
AV_SW1
5.0
0 AV_SW1
SW
Q6502
KRC103SRTK
0
CAUTION: DIGITAL TRANSISTOR
F G
H
8
7
6
5
4
3
2
PCBF40
CMJ156
1
H
G-20