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Circuit Diagrams and PWB Layouts
SSB: Audio Amplifier
1
2
AUDIO AMPLIFIER
A
FROM HERCULES
(INTERNAL AUDIO)
HETV AUDIO SUPPLY
SC2_L_MON_OUT
from DC-DC Conv
A2
(1M02)
1702
A15
NC
+5V2
1
NC
2
SC2_R_MON_OUT
4720
A2
F719
3
N.C.
F720
AUD-SUP
4
5720
VSD_POS
5
F721
6
F729
2720
F722
B
7
10p
A2
AUDOUTLSR
B7B-EH-A
(EXTERNAL AUDIO)
5721
3752
HE-TV AUDIO CONN.
150R
TO 1739 OF AUDIO
TO 1739
2747
2748
SA3
C
100p
100p
OR
LCD
PDP
1752
(1M52)
F723
AUDIO-L
1
C
F724
2
5722
3753
F725
AUDIO-R
3
150R
4
5
NC
2749
2750
6
NC
100p
100p
F726
PROTECT_AUDIO
7
F727
SOUND-ENABLE
8
F728
POR-AUDIO
9
TO SCALER INTERFACE
A2
SC_STANDBY
D
HP_DET_IN
A2
AUDOUTLSL
I729
A2
A2
HP_DET_R_DC
E
A2
SOUND_ENABLE
POWER_DOWN
A15
EXT_MUTE
A2
+3V3STBY
+3V3STBY
F
3724
10K
7713
BC847BW
3702
7714
BC847BW
#
G
H
3139 123 5837.1
1
2
LC4.6E AA
3
4
5
I701
F701
3703
2702
HPIC_LIN
2743
10K
1u0
1u0
3705
10K
For ITV Only
I705
2704
3708
22K
3739
I706
1u0
33K
2744
2705
1u0
I707
2706
1u0
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
3722
3719
10K
I715
I717
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
+3V3STBY
8
10
7
#
4716
7706-4
14
74HC08PW
3728
12
11
#
13
7
+5V2-RELAIS-IO2
HETV
ITV
MTV
ITV
MTV
#
**
MTV
LCD
PDP
4706
YES
NO
1701
YES
NO
3702
2K2
6K8
10K
4707
YES NO
1703
YES
NO
3704
470R
1K
-
4708
NO
YES
2702
NO
YES
3728
2K2
5K6
-
4709
YES
NO
2708
NO
YES
3729
3K9
3K3
-
4701
YES
NO
4714
Yes
Yes
No
4702
YES
NO
4715
-
-
Yes
7708
NO
YES
4716
-
-
Yes
3
4
5
7.
27
6
7
8
+3V3STBY
3740
22K
7740-1
TS482IDT
F716
2
HPIC_ROUT
F717
1
3
+3V3STBY
HPIC_LOUT
5
7
F718
6
7740-2
7707
TS482IDT
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
8K2
1u0
I711
AUD-SUP
5
SVRR
2741
3715
470p
1K8
*EMC
3717
10K
3720
I739
PGND
SGND 1
10K
4
10
8K2
P-GND
AUD-SUP
I714
+3V3STBY
1701
I716
3725
+T
4R8
10K
7702-1
AUD-SUP
BC847BS
7709
3747
TDA7297D
15
+3V3STBY
10K
VCC
I740
3749
14
IN1
10K
7703-2
BC847BS
3726
I718
2718
I719
POWER
8K2
1u0
7
AMPLIFIER
IN2
12
ST_BY
3744
I728
13
MUTE
10K
AUD-SUP
PW GND
SGND
8
20 11 10
3746
10K
7703-1
3706
BC847BS
I742
I713
10K
3716
3750
470R
6K8
3748
4710
10K
I741
AUD-SUP
4711
7710
3721
PDTA143ET
6701
470R
I721
For LCD BZX384-2V7
3707
For PDP BZX384-5V6
RES
2 X 3W
2 X 5W
*
3714
12K
8K2
3726
12K
8K2
6
7
8
9
10
2707
I726
3711
470u
16V
39R
HPIC_ROUT
4706
**
I724
2710
470p
I725
HPIC_LOUT
2701
2715
I727
3718
100n
16
P-GND
470u
16V
39R
Φ
8
OUT1A
9
**
4707
OUT1B
12
OUT2A
2711
13
OUT2B
470p
1
2
6
7
NC
14
19
20
2
HS
11
21
2714
470u
16V
6
P-GND
P-GND
P-GND
5736
F711
19
2
1
OUT1+
1735
F712
16
3
4
OUT1-
Φ
F705
R+
DLW5BS
4
F706
R-
5735
3
F713
2
2
1
F707
L+
OUT2+
2
F708
L-
1
F714
5
3
4
OUT2-
B4B-PH-K
DLW5BS
18
17
9
NC
4
3
1
21
P-GND
6
HP_LOUT
2
7708-1
BC847BS
1
3
HP_ROUT
5
4
7708-2
F710
BC847BS
OUT_MUTE
7708
HETV
MTV
BC847BS PUMH7
3716
4710
3721
4711
9
10
1701 D8
7709 D8
11
1702 A1
7710 G7
1735 E11
7713 F2
1752 C1
7714 G2
2701 B8
7740-1 A6
2702 A5
7740-2 B6
2703 F6
F701 A3
2704 A3
F702 B3
2705 B5
F705 E10
2706 B3
F706 E10
2707 A10
F707 E10
2708 B5
F708 E10
2709 C8
F710 G10
A
2710 B11
F711 D9
2711 C11
F712 E9
2712 C6
F713 E9
2713 D9
F714 E9
FROM HERCULES
2714 D9
F716 A6
2715 B10
F717 B6
2716 D7
F718 B6
A2
2718 E7
F719 B1
HP_ROUT
2719 D9
F720 B1
2720 B1
F721 B1
2735 F10
F722 B1
2736 F10
F723 C1
2737 F10
F724 C1
2738 F10
F725 C1
B
2739 C7
F726 C1
A2
2740 C7
F727 C1
HP_LOUT
2741 C7
F728 C1
2742 E7
F729 B2
2743 A5
I701 A4
2744 B5
I702 B7
2746 E7
I703 B7
2747 C2
I704 B5
2748 C2
I705 A3
2749 C2
I706 A4
2750 C2
I707 B3
3701 F1
I709 C6
3702 G2
I710 C8
C
3703 A4
I711 C8
3704 G2
I712 C7
3705 A5
I713 F7
3706 F6
I714 D6
3707 G8
I715 D5
3708 A4
I716 D6
3709 B4
I717 D5
3710 B4
I718 E7
3711 A11
I719 E7
3712 B4
I721 G8
3713 B4
I724 B10
3714 C6
I725 B10
3715 C6
I726 A10
D
3716 F8
I727 B10
3717 C6
I728 E7
3718 B11
I729 E3
3719 D5
I730 E3
3720 C7
I731 E3
3721 G8
I735 E10
3722 D6
I736 E10
3723 F2
I737 E10
3724 F2
I738 E10
3725 D6
I739 C6
3726 E7
I740 D6
R
I741 F6
3727 E7
3728 G3
I742 F6
L
3729 G4
E
3735 E10
N.C.
3736 E10
3737 E10
3738 E10
3739 A5
3740 A6
3741 A6
3742 B6
3743 B5
3744 E7
3745 B5
3746 F6
3747 D6
F
3748 F6
3749 D6
3750 F6
3751 F7
A2
3752 B3
3753 C3
4701 A5
4702 B5
A2
4703 D5
4704 B7
4705 B7
A2
4706 A10
4707 B10
G
4708 E3
4709 E3
4710 F8
4711 G8
4714 G3
4715 F3
4716 G3
4720 B1
5720 B1
5721 B2
5722 C2
5735 E9
5736 D9
6701 G7
H
7702-1 D6
7702-2 C5
7703-1 F6
7703-2 E6
7706-1 E4
7706-2 E4
7706-3 F4
7706-4 G4
7707 B8
E_14710_019.eps
7708-1 F9
020904
7708-2 G8
11
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