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Circuit Diagrams and PWB Layouts
SSB: Audio Amplifier
1
2
AUDIO AMPLIFIER
FROM HERCULES
A
(INTERNAL AUDIO)
HETV AUDIO SUPPLY
SC2_L_MON_OUT
from DC-DC Conv
A2
(1M02)
A15
1702
NC
+5V2
1
NC
2
SC2_R_MON_OUT
F719
4720
A2
3
N.C.
F720
AUD-SUP
4
5720
VSD_POS
5
F721
6
F729
F722
2720
7
10p
A2
AUDOUTLSR
B7B-EH-A
B
(EXTERNAL AUDIO)
5721
3752
HE-TV AUDIO CONN.
150R
TO 1739 OF
TO 1320 OF
2747
2748
AUDIO (LCD)
100p
100p
SA3
EMC
OR
PDP
1752
F723
AUDIO-L
1
F724
2
5722
3753
F725
AUDIO-R
3
4
150R
C
5
NC
2749
2750
6
NC
100p
100p
F726
PROTECT_AUDIO
7
F727
SOUND-ENABLE
8
F728
POR-AUDIO
9
TO SCALER INTERFACE
SC_STANDBY
A2
D
HP_DET_IN
A2
AUDOUTLSL
A2
A2
HP_DET_R_DC
SOUND_ENABLE
A2
E
POWER_DOWN
A15
EXT_MUTE
A2
+3V3STBY
+3V3STBY
F
3724
10K
7713
BC847BW
3702
7714
BC847BW
#
G
3139 123 5867.2
LC4.6U AA
3
4
5
I701
F701
3703
2702
HPIC_LIN
2743
10K
1u0
1u0
3705
10K
For ITV Only
I705
2704
3708
3739
I706
1u0
33K
2744
2705
1u0
I707
1u0
2706
3709
3710
3745
33K
1u0
33K
100K
3743
22K
F702
3712
2708
HPIC_RIN
10K
1u0
3713
10K
INTERNAL AUDIO
(NOT FOR HETV)
7702-2
BC847BS
+3V3STBY
3719
10K
I715
I717
I729
7706-1
14
74HC08PW
I730
**
4708
1
**
4709
3
I731
2
7
7706-2
14
74HC08PW
4
6
5
7
7706-3
14
74HC08PW
9
8
10
7
#
4716
7706-4
14
74HC08PW
3728
12
11
#
13
7
#
HETV
MTV
LCD
PDP
3702
2K2
6K8
10K
3704
470R
1K
-
3728
2K2
5K6
-
+5V2-RELAIS-IO2
3729
3K9
3K3
-
4714
Yes
Yes
No
4715
-
-
Yes
4716
-
-
Yes
4
5
7.
27
6
7
8
+3V3STBY
3740
22K
7740-1
TS482IDT
22K
F716
HPIC_ROUT
2
F717
1
3
+3V3STBY
HPIC_LOUT
5
7
F718
6
7740-2
TS482IDT
7707
TDA1517ATW
15
VP1 VP2
3742
3
22K
IN1+
I702
POWER
I703
18
AMPLIFIER
IN2-
*EMC
*EMC
2740
2739
I712
3714
I709
2712
I710
470p
470p
17
MODE
1u0
8K2
I711
AUD-SUP
5
SVRR
2741
3715
470p
1K8
*EMC
3717
10K
3720
I739
SGND 1
10K
4
10
3722
8K2
P-GND
I714
+3V3STBY
1701
I716
3725
+T
4R8
10K
7702-1
AUD-SUP
BC847BS
7006
3747
TDA7297D
10K
+3V3STBY
BRIDGE
I740
3749
AMPLIFIER
10K
7703-2
7
BC847BS
3726
I718
2718
I719
1
8K2
1u0
IN
+3V3STBY
AUD-SUP
14
2
9
STBY
3746
10K
3744
I728
8
3706
MUTE
I742
I713
10K
10K
SGND
3750
6K8
3716
470R
4710
AUD-SUP
4711
7710
3721
PDTA143ET
470R
6701
I721
For LCD BZX384-2V7
3707
For PDP BZX384-6V2
RES
**
ITV MTV
ITV MTV
*
2 X 3W 2 X 5W
4706
YES NO
1701
YES
NO
3714
12K
8K2
4707 YES NO
1703
YES
NO
3726
12K
8K2
4708 NO YES
2702
NO
YES
4709 YES NO
2708
NO
YES
4701
YES
NO
4702
YES
NO
7708
NO YES
6
7
8
9
10
11
I726
2707
3711
470u
16V
39R
HPIC_ROUT
4706
**
I724
2710
470p
I725
HPIC_LOUT
2701
I727
2715
3718
100n
16
P-GND
470u 16V
39R
Φ
8
OUT1A
9
**
4707
OUT1B
12
OUT2A
13
2711
OUT2B
470p
1
2
6
7
NC
14
19
20
PGND
2
HS
11
21
AUD-SUP
Φ
VCC
P-GND
P-GND
P-GND
3
4
12
NC
17
18
1735
5736
F711
2
2
1
F705
R+
+
4
F706
R-
3
F712
OUT1
3
4
F707
L+
2
5
F708
L-
-
DLW5BS
1
F713
5735
19
2
1
B4B-PH-K
+
F714
OUT2
3
4
16
DLW5BS
-
PW_GND
P-GND
6
2
7708-1
BC847BS
HP_LOUT
1
3
HP_ROUT
5
4
7708-2
F710
BC847BS
OUT_MUTE
7708
HETV
MTV
BC847BS PUMH7
3716
4710
3721
4711
9
10
11
1701 D8
4709 E3
1702 A1
4710 F8
1735 E11
4711 F8
1752 C1
4714 G3
2701 B9
4715 F3
2702 A5
4716 F4
2703 E7
4720 B2
2704 A3
5720 B2
2705 A5
5721 B2
2706 A3
5722 C2
2707 A10
5735 E9
2708 B5
5736 E9
2709 C8
6701 G7
A
2710 A11
7006 D8
FROM HERCULES
2711 B11
7702-1 D6
2712 C6
7702-2 C5
A2
2713 D9
7703-1 E5
2714 D9
7703-2 D6
HP_ROUT
2715 B10
7706-1 E4
2716 C7
7706-2 E4
2718 D7
7706-3 F4
2719 D9
7706-4 F4
2720 B2
7707 B8
A2
2735 F10
7708-1 F9
HP_LOUT
2736 F10
7708-2 G8
B
2737 F10
7710 F8
2738 F11
7713 F2
2739 B7
7714 G2
2740 B7
7740-1 A6
2741 C7
7740-2 B7
2742 E7
F701 A3
2743 A6
F702 B3
2744 A6
F705 E10
2746 E7
F706 E10
2747 B2
F707 E10
2748 B3
F708 E10
C
2749 C2
F710 G10
2750 C3
F711 E9
3701 F1
F712 E9
3702 G2
F713 E9
3703 A4
F714 E9
3704 G2
F716 A6
3705 A5
F717 A6
3706 E6
F718 B6
3707 G8
F719 B1
3708 A4
F720 B1
3709 A4
F721 B1
3710 A4
F722 B1
D
3711 A11
F723 C1
3712 B4
F724 C1
3713 B5
F725 C1
3714 C6
F726 C1
3715 C6
F727 C1
3716 F8
F728 C1
3717 C6
F729 B2
3718 B11
I701 A5
3719 C5
I702 B7
R
3720 C7
I703 B7
3721 F8
I704 A5
L
3722 C6
I705 A4
E
3723 F2
I706 A4
N.C.
3724 F2
I707 A4
3725 D6
I709 C6
3726 D7
I710 C8
3727 E7
I711 C8
3728 G4
I712 C7
3729 G4
I713 E7
3735 E10
I714 D6
3736 E10
I715 D5
3737 E10
I716 D6
3738 E11
I717 D6
F
3739 A5
I718 D7
3740 A6
I719 D7
3741 A6
I721 G8
A2
3742 B6
I724 A10
3743 B6
I725 B10
A2
3744 E7
I726 A11
3745 B6
I727 B11
3746 E6
I728 E7
A2
3747 D6
I729 D3
3748 E6
I730 E3
3749 D6
I731 E3
3750 E6
I735 F10
G
3751 E7
I736 F10
3752 B3
I737 F10
3753 C3
I738 F11
4701 A5
I739 C6
4702 B5
I740 D6
4703 D5
I741 E6
4704 B7
I742 E6
4705 B7
4706 A11
4707 B11
E_14710_067.eps
081004
4708 E3
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