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VDAC1_ PB_A
AUD0_R_N
AUD0 _SPDIF_A
AU D0_R_N_B
AUD 0_L_N_B
RCA-SPDIF_A
AUD 0_L_N_A
RCA-PR
R CA-PB
RCA-Y
+3 V3_VDAC1-PU
AUD_ FS_CLK_0_B
VDAC 1_PR_A
AUD0_ L_P_A
AU D0_R_P
AUD0_ L_P_B
AUD0 _R_P_B
RCA-SPDIF
AU D_FS_CLK_0
RCA-CVBS
AUD_FS_CLK_0_A
VDAC1_PR
AUD0_L_N
VDAC1_PB
VDAC1_Y
VDAC1_Y_A
AU D0_R_N_A
AUD0_R_P_A
RC A-PB_A
RCA-AUD-L_A
RCA-PB_A
A_MUTE
A_MUTE
RCA-AUD-R_A
AUD_FS_CLK_0_BUF
+3V3_VDAC0-PU
VDAC0_C VBS_A
VDAC0_CVBS
+5
V
B
+5
V
B
RCA-CVBS_A
+5
V
B
+5
V
B
RCA-PR_A
RC A-Y_A
RCA-SPDIF_B
RCA-AUD-R_A
RCA-PR_A
RCA-AUD-L_A
+5VA
AUD0_SPDIF
AU D0_SPDIF
AUD 0_L_P
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
+12VA
+5VB
+5VB
+ 5VB
+5VB
+5VB
+5V
+12VA
+12VA
-12VA
-12VA
-12VA
+3V3
+3V3
+3V3
+ 5VB
+5V
+5VB
+5V
+5VA
+12VA
-12VA
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
V DAC1_Y
VDAC1_PR
VDAC1_PB
VDAC0_CVBS
AUD_FS_CLK_0_A
AUD_FS_CLK_0
VDAC1_PR
VDAC1_PB
V DAC1_Y
VDAC0_CVBS
AUD0_L_N
AUD0_R_N
AUD0_R_P
AUD0_L_P
AUD0_SPDIF
AUD_FS_CLK_0_BUF
A_MUTE
+12VA
-12VA
S/C
S/ Y
SOC
Audio & VDAC
2- The Fairchild active filter and terminations must be place close to video connectors.
3- Analog video outputs are sensitive to noise coming from the power. Beads and inductors must be consider to clean the noise.
3- Analog video outputs are sensitive to noise coming from the power. Beads and inductors must be consider to clean the noise.
Try to keep a good noise immunity of your power traces and plane areas into the video output PCB area.
4- 37.4 Ohms resistors terminate the lines between BCM7440 and the active filters. They also polarize the 7440 VDAC outputs.
They 3.3V used for these pull-up must be very clean.
5- VDAC outputs traces must be routed according to the isolated traces rule. Trace_to_trace clearance >= 10 mils.
6- Place VDAC0/1_RBIAS resistors very very close to their BCM7440 pins (trace lenght <= 100mils).
6- Place VDAC0/1_RBIAS resistors very very close to their BCM7440 pins (trace lenght <= 100mils).
VIDEO ANALOG --> Design notes and Layout Guidelines:
1- The Fairchild active filter are EDS protected.
1- Match the lenght of AUD_FS_CLK_0_A and AUD_FS_CLK_0_B.
AUD_FS_CLK_0 --> Design notes:
(CLUSTER)
For layout facility Y,PR
DC_5VB
100MW
CVBS (Yellow)
Pr (Red)
PB (Blue)
Y (Green)
Left (White)
Right (Red)
1000pf
C108
1
2
4.7UH
L12
1
2
D 24
B
AV9
9
B
E
C
U7
FMS6363CS
SO8
VCC
4
GND
5
IN2
2
OUT2
7
OUT3
6
IN1
1
IN3
3
OUT1
8
75
R720
100MW
1%
2
1
2200UF/6.3V
CE33
6.3V
2
1
0.1UF
C518
1 6V
10%
1
2
D5
B
AV9
9
B
E
C
10pf
C11
1
2
33
R1
2
1
16.5K
R53
100MW
1%
2
1
16.5K
R55
100MW
1%
2
1
7.5MEG
R506
2
1
16.5K
R51
100MW
1%
2
1
7.5MEG
R504
2
1
16.5K
R48
100MW
1%
2
1
37.4
R503
2
1
10pf
C111
1
2
25.5K
R46
100MW
1%
2
1
24.9K
R47
100MW
1%
2
1
150PF
C44
1
2
C521
0.1UF
D4
B
AV9
9
B
E
C
24.9K
R49
100MW
1%
2
1
25.5K
R50
100MW
1%
2
1
0.1UF
C16
1 6V
10%
1
2
25.5K
R57
100MW
1%
2
1
7.5MEG
R510
2
1
37.4
R509
2
1
D3
B
AV9
9
B
E
C
24.9K
R56
100MW
1%
2
1
NE5532D
SO8
U5A
IN+
3
IN-
2
OUT
1
V+
8
V-
4
10pf
C17
1
2
150PF
C45
1
2
24.9K
R54
100MW
1%
2
1
4.7UH
L9
1
2
1000pf
C109
1
2
47PF
C14
5 0V
5%
1
2
X P9
1
2
3
10
R508
2
1
75
R721
100MW
1%
2
1
47PF
C15
5 0V
5%
1
2
47PF
C13
5 0V
5%
1
2
D 26
B
AV9
9
B
E
C
0.1UF
C694
1 6V
10%
1
2
R716
2 2K
2 2K
0.1UF
C520
1 6V
10%
1
2
10pf
C112
1
2
0.1UF
C523
1 6V
10%
1
2
47PF
C12
5 0V
5%
1
2
10
R17
100MW
1%
2
1
D 27
B
AV9
9
B
E
C
10
R16
100MW
1%
2
1
75
R18
100MW
1%
2
1
37.4
R718
2
1
U6
FMS6143CSX
SO8
VCC
4
GND
5
IN2
2
OUT2
7
OUT3
6
IN1
1
IN3
3
OUT1
8
22UF
C519
6.3V
20%
1
2
D 25
BA
V
9
9
B
E
C
10pf
C113
1
2
0.1UF
C516
1
2
0.1UF
C517
1
2
0.1UF
C515
1 6V
10%
10%
1
2
10UF/10V
C131
1 0V
10%
1
2
2200UF/6.3V
CE32
6.3V
2
1
47PF
C9
1
2
0.1UF
C695 16V
10%
1
2
0.1UF
C573
1 6V
10%
1
2
121
R10
2
1
NE5532D
SO8
U5B
IN+
5
IN-
6
OUT
7
V+
8
V-
4
R694
4.7K
1UF
C7
1 6V
10%
1
2
7.5MEG
R69
2
1
U11
NC7SZ125M5X_NL
SOT23-5
2
1
5
4
3
37.4
R719
2
1
220
R11
100MW
1%
2
1
470UF/16V
C E3
6.3V
2
1
10pf
C114
1
2
25.5K
R52
100MW
1%
2
1
MMBT2907ALT1G
Q7
B
E
C
33.2
R41
2
1
75
R21
100MW
1%
2
1
R511
10
301
R15
100MW
1%
2
1
R693
4.7K
33.2
R42
2
1
75
R20
100MW
1%
2
1
301
R12
100MW
1%
2
1
75
R19
100MW
1%
2
1
7.5MEG
R502
2
1
7.5MEG
R22
2
1
10pf
C107
1
2
22UF
C513
6.3V
20%
1
2
RCA-6
J5
2
3
5
6
1
4
9
8
7
0.1UF
C512
1 6V
10%
1
2
Q29
3904
3904
0.1UF
C20
1 6V
10%
1
2
0.1UF
C19
1 6V
10%
1
2
C E6
470UF/16V
R715
2 2K
2 2K
0.1UF
C18
1 6V
10%
1
2
10UF/10V
C132
1 0V
10%
1
2
37.4
R505
2
1
Q28
3904
3904
37.4
R507
2
1
10pf
C110
1
2
J4
OPTICAL
1
1
2
2
3
3
4
4
5
5
0.1UF
C511
1
2
0.1UF
C514
1 6V
10%
10%
1
2
0.1UF
C510
1
2
C522
0.1UF
Main Board Electric Diagram: Audio & VDAC
43
harman/kardon
BDP 1 / BDP 10 Service Manual
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