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Circuit Diagrams and PWB Layouts
SSB: DC-DC Converter
1
2
DC-DC CONVERTER
B6
FROM TOP CONNECTORS
A
+12VUNREG
+5V
B
3708
10K
+12VUNREG
6709
6708
SS14
SS24
I710
C
5709
10u
I711
2710
2711
10u
10u
SUP_GND2
SUP_GND2
SUP_GND2
D
SUP_GND2
FOR UFD ONLY
SUPPLY TO TUNER & HERCULES
E
5730
+12VSW
I731
10u
2730
10u
25V
2733
220p
SUP_GND1
F
SUP_GND1
SUP_GND1 SUP_GND1
7738
5738
+12VSW
L78M08CDT
1
IN
OUT
3
2738
COM
2739
47u 16V
47u 16V
2
G
+12VUNREG
6740
3740
I740
I741
BZX384-C8V2
1K5
3741
2741
1K5
220n
FOR UFD ONLY
3139 123 6093.1
1
2
LC4.9E AB
3
4
5
F701
+12VSW
2704
10u
16V
I706
2706
5704
10u
16V
7708
LF33CPT
I709
1
5
IN
OUT
I708
2
4
CTRL NC
NC
COM
2709
3709
2708
47u 16V
6K8
RES
7710
L5973D
NC
Φ
VCC
VREF
5712
5713
I712
I713
1
OUT
3
33u
10u
INH
I714
3712
5
FB
5K6
2
2715
1%
SYNC
I715
I716
4
NC
COMP
22n
GND GND_HS
6712
2714
3716
3713
2713
16V
SS36
220p
4K7
3K3
470u
1%
SUP_GND2
SUP_GND2
SUP_GND2
SUP_GND2 SUP_GND2
SUP_GND2
7730
L5970D
I733
8
1
VCC
OUT
I705
I735
4
5
7735
COMP
FB
BC817-25
2734
3
2
22n
INH
SYNC
7
I734
6
GND
VREF
6733
5733
3735
3736
SS14
4K7
220u
1K0
SUP_GND1
5735
SUP_GND1
1m0
SUP_GND1
SUP_GND1
3732
5737
3K3
I736
3733
SUP_GND1
1%
10u
I732
1K0
1%
3743
+3V3STBY
22K
3742
15K
2731
I742
470u
16V
7742
BC847BW
7741
BC847BW
SUP_GND1
3
4
5
7.
35
6
7
8
FOR LCD ONLY
+5VSWI
FROM SCALER
7755
F710
+3V3STBY
PDTC114ET
PANEL-PWR-CTL
(0V)
F755
0V6
SUPPLY TO SCALER
2716
470u 16V
+12VSW
3751
3752
5752
1R0
1R0
10u
32V9
F736
+VTUN
2753
3753
TO TUNER CELL
470u
16V
1K0
1%
6735
2736
22u
BAV99
35V
6736
2754
BZX384-C33
GND
SUP_GND3
RES
SUP_GND3
2735
470p
SUP_GND1
SUP_GND1
SUP_GND1
TO HERCULES CELL
FROM HERCULES
+5VSW
5V2
F737
0V
+8VSW_TV
F738
8V
SC_STANDBY
F743
POWER_DOWN
3V1
B5
2737
470u 16V
B7
B16
6
7
8
9
10
I757
+3V3STBY
7
6
5
+12VSW
4
I749
3
2
1
5758
5755
5756
I750
1751
RES
RES
RES
7754
5757
I756
SI2301BDS-T1-E3
11V5
2
3
3755
2751
5759
7753
10K
100n
RES
L4940D2T12
1
I747
6V8
PAN_VCC
5700
F700
I759
1
3
IN
OUT
3758
3760
15K
COM
100R
2759
RES
2752
2700
2701
47u
16V
100p
RES
RES
I760
2760
1u0
25V
FOR UFD ONLY
7752
MC34063AD
8
DCOL
SWC 1
11V7
S
Q
R
3734
I751
7
IS
2K2
11V7
I755
SWE 2
IPK
I758
TIMC 3
OSC
2756
5753
6751
REFERENCE
I752
6
470p
220u
SS14
VCC
REGULATOR
11V7
I753
SUP_GND3
CIN_NEG
GND
4
5
SUP_GND3
1V2
TO SCALER CELL
SUP_GND3
3754
5754
F754
I754
10u
3K3
1%
2757
2755
+3V3STBY
470u
16V
470u
4n7
3V2
SUP_GND3
2750
3750
2u2
2762
22K
22u 16V
3759
7758
4
SI9433BDY-T1-E3
1K0
I748
SI4433DY
+3V3SW
3V2
3761
7756
100R
PDTC114ET
2761
1u0
25V
FOR UFD ONLY
9
10
11
1751 A10
7738 F2
2700 B11
7741 G3
B6
2701 B11
7742 G4
2704 A3
7752 D9
2706 B3
7753 B10
2708 C3
7754 A9
2709 C3
7755 B8
2710 C2
7756 G8
2711 C2
7758 F10
A
2713 D5
F700 B11
2714 D4
F701 A3
2715 D4
F710 B6
2716 D6
F736 E6
2730 E2
F737 F6
2731 G5
F738 F6
2733 F2
F743 G6
2734 E3
F754 E11
2735 F6
F755 C8
TO EPLD
2736 E6
I705 E3
2737 G6
I706 B3
LVDS_VCC
2738 G2
I708 B3
B
2739 G3
I709 B3
11V5
2741 G3
I710 C2
2750 F9
I711 C2
2751 B9
I712 C4
2752 B10
I713 C5
2753 E8
I714 C4
2754 E8
I715 D4
2755 F9
I716 D5
2756 E10
I731 E2
2757 E11
I732 F4
2758 E11
I733 E5
2759 B9
I734 F5
C
2760 B9
I735 E5
2761 G9
I736 F5
2762 F9
I740 G2
3708 B2
I741 G3
3709 C3
I742 G4
3712 D5
I747 B9
3713 D5
I748 F8
3716 D5
I749 A10
3732 F4
I750 A10
3733 F4
I751 D8
3734 D11
I752 E8
D
3735 F5
I753 E8
3736 F3
I754 E9
3740 G2
I755 D10
3741 G2
I756 B9
3742 G3
I757 A9
3743 G4
I758 D10
3750 F9
I759 B9
3751 D8
I760 B8
3752 D8
3753 E8
3754 E9
3755 B9
E
3758 B8
3759 F8
TO LIPSYNC
3760 B9
3761 F9
+5VSWI
5700 B11
5V4
5704 B4
2758
5709 C2
16V
5712 C4
5713 C5
5730 E2
5733 F5
5735 F5
F
5737 F5
5738 F1
5752 D8
5753 E11
5754 E11
5755 A9
5756 A9
5757 A9
5758 A8
5759 B9
6708 C2
G
6709 C2
6712 D4
6733 F5
6735 E6
6736 E6
6740 G2
6751 E11
7708 B4
F_15430_006.eps
7710 C3
150405
7730 E3
7735 E5
11
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