32
7.
Circuit Diagrams and PWB Layouts
Scaler (19"): AUDIO AMP CLASS D
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
VOL_MUTE
HVP2
HVP1
HVP1
OFF_MUTE
E
a
rM
u
teB
HVP2
VOL_MUTE
OFF_MUTE
AMP_12V
AMP_POWER
AMP_POWER
VPA
VPA
AMP_POWER
AMP_POWER
VPA
+24V
AMP_12V
16V
+5V
AMP_12V
HPDET#
16
S
PK_L
16
S
PK_R
16
OFF_MUTE
16
AMP_MUTE
9
E
a
rM
u
teB
16
LINE_MUTE
16
AMP_
S
HUT
20
1/
3
River
1/
3
River
For 22" R60
8
,R611 6.
8
K For 19" R60
8
,R611 5.1K
1/11 River
1/17 J
a
cky
C664 C2 D605 B2 Q606 A1
R669 C2 FB604 B5 Q611 D5
L602 D2 C672 B5 FB612 C1
R607 D4 D60
3
B2 D602 B
3
R611 C4 C614 D
3
C666 C2
C667 C2 R60
8
D4 R626 B
3
Q605 B4 C615 D2 R621 B4
C671 B5 C617 C2 CN602 C1
L601 C2 C660 C2 R6
8
5 C2
C661 C2 FB60
3
C5 C612 C4
R614 B4 R602 B5 C607 C4
R606 C5 FB610 C1 C604 B5
R604 D5 C602 D4 C66
8
C2
C619 B
3
R612 B4 Q604 B4
C60
3
D4 C61
8
D2 C616 D2
C665 C2 D604 B
3
C662 C2
R62
3
C2 D606 C2 C609 C4
R622 D2 R609 C4 R676 C5
Q60
3
B
3
FB609 D1 R61
3
B
3
C60
8
C4 R679 B1 C601 D4
Q602 C4 C605 D5 R610 C4
C669 C1 R627 B
3
R670 C2
C606 C4 R625 B
3
R67
8
A2
C6
3
0 A1 R6
8
0 A1 R616 B4
FB602 B5 R66
8
D5 U601 D
3
R60
3
D5 C611 C4 R677 A2
C670 C1 C610 C4 C66
3
C2
R617 B
3
R619 B2 R624 B2
FB611 C1 R615 B
3
R605 C5
R675 D5
FB604
BEAD
FB604
BEAD
R669
NC
R669
NC
Q606
MMBT
3
904
Q606
MMBT
3
904
D605
LL414
8
D605
LL414
8
C664
0.1
u
F/25V
C664
0.1
u
F/25V
D602
LL414
8
D602
LL414
8
D60
3
LL414
8
D60
3
LL414
8
R607
47K OHM 1/10W
R607
47K OHM 1/10W
1
2
FB612 70 OHM
FB612 70 OHM
+
C672
470
u
F/25V
+
C672
470
u
F/25V
L602
22
u
H +-25
%
L602
22
u
H +-25
%
Q611
MMBT
3
904
Q611
MMBT
3
904
R60
8
5.1K OHM 1/10W
R60
8
5.1K OHM 1/10W
C667
0.6
8u
F/6
3
V
C667
0.6
8u
F/6
3
V
C666
NC
C666
NC
C614
0.1
u
F/25V
C614
0.1
u
F/25V
R611
5.1K OHM 1/10W
R611
5.1K OHM 1/10W
+
C671
470
u
F/25V
+
C671
470
u
F/25V
R621
NC
R621
NC
C615
0.1
u
F/25V
C615
0.1
u
F/25V
Q605
MMBT
3
906
Q605
MMBT
3
906
R626
0 OHM 1/10W
R626
0 OHM 1/10W
FB60
3
NC/BEAD
FB60
3
NC/BEAD
C661
470pF
C661
470pF
R6
8
5
1K OHM 1/10W
R6
8
5
1K OHM 1/10W
C660
0.015
u
F
C660
0.015
u
F
L601
22
u
H +-25
%
L601
22
u
H +-25
%
1
2
3
4
CN602
CONN
CN602
CONN
C617
0.1
u
F/25V
C617
0.1
u
F/25V
C607
0.1
u
F/25V
C607
0.1
u
F/25V
R602
10 OHM +-1
%
1/4W
R602
10 OHM +-1
%
1/4W
R614
33
K OHM 1/10W
R614
33
K OHM 1/10W
C612
1
u
F/25V
C612
1
u
F/25V
+
C619
33
0
u
F/16V
+
C619
33
0
u
F/16V
C66
8
0.6
8u
F/6
3
V
C66
8
0.6
8u
F/6
3
V
C602
1
u
F/25V
C602
1
u
F/25V
R604
4.7K OHM 1/10W
R604
4.7K OHM 1/10W
C604
0.1
u
F/25V
C604
0.1
u
F/25V
1
2
FB610 70 OHM
FB610 70 OHM
R606
4.7K OHM 1/10W
R606
4.7K OHM 1/10W
C61
8
470pF
C61
8
470pF
C60
3
33
0pF
C60
3
33
0pF
Q604
MMBT
3
904
Q604
MMBT
3
904
R612
6.
8
K OHM 1/10W
R612
6.
8
K OHM 1/10W
C665
NC
C665
NC
C616
0.015
u
F
C616
0.015
u
F
R622
10 OHM 1/4W
R622
10 OHM 1/4W
C609
0.1
u
F/25V
C609
0.1
u
F/25V
D606
LL414
8
D606
LL414
8
R62
3
10 OHM 1/4W
R62
3
10 OHM 1/4W
C662
0.1
u
F/25V
C662
0.1
u
F/25V
D604
LL414
8
D604
LL414
8
R679
4.7K OHM 1/10W
R679
4.7K OHM 1/10W
+
C60
8
47
u
F/25V
+
C60
8
47
u
F/25V
R61
3
10K OHM 1/10W
R61
3
10K OHM 1/10W
1
2
FB609
70 OHM
FB609
70 OHM
Q60
3
MMBT
3
904
Q60
3
MMBT
3
904
R676
47K OHM 1/10W
R676
47K OHM 1/10W
R609
12K OHM 1/10W
R609
12K OHM 1/10W
C606
33
0pF
C606
33
0pF
R670
NC
R670
NC
R627
NC
R627
NC
+
C669
6
8
0
u
F/25V
+
C669
6
8
0
u
F/25V
R610
3
9K OHM 1/10W
R610
3
9K OHM 1/10W
C605
0.47
u
F
C605
0.47
u
F
Q602
MMBT
3
904
Q602
MMBT
3
904
C601
1
u
F/25V
C601
1
u
F/25V
FB602
BEAD
FB602
BEAD
R616
10K OHM 1/10W
R616
10K OHM 1/10W
R6
8
0
NC
R6
8
0
NC
C6
3
0
1
u
F/16V
C6
3
0
1
u
F/16V
R67
8
47K OHM 1/10W
R67
8
47K OHM 1/10W
R625
100K OHM 1/10W
R625
100K OHM 1/10W
R677
0 OHM 1/10W
R677
0 OHM 1/10W
C611
1
u
F/25V
C611
1
u
F/25V
R60
3
4.7K OHM 1/10W
R60
3
4.7K OHM 1/10W
V
SS
D/HW
1
IN1P
2
IN1N
3
DIAG
4
ENGAGE
5
POWER UP
6
VDDA
8
V
SS
A
9
CGND
7
O
S
CREF
10
HVPREF
11
INREF
12
TE
S
T
1
3
IN2N
14
IN2P
15
V
SS
D/HW
16
V
SS
D/HW
3
2
V
SS
D/HW
17
DREF
1
8
HVP2
19
VDDP2
20
BOOT2
21
OUT2
22
V
SS
P2
2
3
S
TAB2
24
S
TAB1
25
V
SS
P1
26
OUT1
27
BOOT1
2
8
VDDP1
29
HVP1
3
0
O
S
CIO
3
1
TH
1
33
U601
TDA
8
9
3
2BTW
U601
TDA
8
9
3
2BTW
R66
8
0 OHM 1/10W
R66
8
0 OHM 1/10W
R617
0 OHM 1/10W
R617
0 OHM 1/10W
C66
3
0.1
u
F/25V
C66
3
0.1
u
F/25V
C610
0.1
u
F/25V
C610
0.1
u
F/25V
+
C670
6
8
0
u
F/25V
+
C670
6
8
0
u
F/25V
1
2
FB611 70 OHM
FB611 70 OHM
R624
NC
R624
NC
R619
1K OHM 1/10W
R619
1K OHM 1/10W
R675
1K OHM 1/10W
R675
1K OHM 1/10W
R605
4.7K OHM 1/10W
R605
4.7K OHM 1/10W
R615
3
K OHM 1/10W
R615
3
K OHM 1/10W
AUDIO AMP CLA
SS
D
5
S
B15
S
B15
I_177
8
0_025.ep
s
17040
8