Av Switch - Sanyo DP19649 Service Manual

A B
8
7
6
AV1_A_IN_L
DVI_A_IN_L
5
SW_AUDIO_L
YUV_A_IN_L
4
3
2
1
A B
G-19
C
NR6501 NR6502
4D02WGJ0223TCE 4D02WGJ0223TCE
1005
R6503 1608 C6510
15K 1/16W 1 B
1005 R6504 1608 C6501
15K 1/16W 1 B
1005
1608
R6506 C6516
15K 1/16W 1 B
NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
C
D E
AV SWITCH SCHEMATIC DIAGRAM
(DIGITAL PCB)
NR6503
NR6504
4D02WGJ0223TCE
4D02WGJ0223TCE
AUDIO SW IC
IC6501
TC74VHC4052AFTELKM
4.5 5.0
NO0B V+
1608
C6503
4.6 4.5
NO2B NO2A
1 B
1608 C6514
4.5 4.5
COMB NO1A
1 B
4.5 4.5
NO3B
COMA
1608
C6518
4.5 4.5
NO1B NO0A
1 B
0 4.5
INH NO3A
0 5.0
V- ADDA
0 5.0
ADDB
GND
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.
D E
F
FROM REGULATOR
B6503
FCM1608KF-221T05
1005
R6509
DVI_A_IN_R
1005
15K 1/16W TO SCALER VIDEO/AUDIO
R6510
YUV_A_IN_R
15K 1/16W
SW_AUDIO_R
1005
R6511
AV1_A_IN_R
15K 1/16W
FROM JACK
FROM SCALER
5.0
SW AV_SW0
Q6504 0
KRC103SRTK
0
5.0
0
AV_SW1
SW
Q6502
KRC103SRTK
0
CAUTION: DIGITAL TRANSISTOR
F
G H
8
7
6
GND
D5.0V
5
SW_AUDIO_L
SW_AUDIO_R
AV1_A_IN_L
AV1_A_IN_R
YUV_A_IN_L
YUV_A_IN_R
DVI_A_IN_L
DVI_A_IN_R
4
AV_SW1
AV_SW0
3
2
PCBDH0
CEJ500
1
G H
G-20