EN 46
LC4.9U AA
7.
Circuit Diagrams and PWB Layouts
SSB: DC-DC Converter
FB
OUT
COMP
VREF
VCC
INH
SYNC
GND GND_HS
COM
OUT
IN
OUT
IN
CTRL NC
COM
COM
OUT
IN
A
B
C
D
E
F
G
H
I
2
3
4
5
6
7
1
8
9
10
11
12
13
1
2
3
4
5
6
7
8
9
10
11
12
13
A
B
C
D
E
F
G
H
I
F754
F755
RES
11V7
11V7
1751 A10
2700 B11
2701 B11
2704 A3
TO LIPSYNC
SUPPLY TO SCALER
SI9433BDY-T1-E3
1V2
FROM HERCULES
(0V)
32V9
0V6
NC
FOR UFD ONLY
RES
FOR UFD ONLY
B5
SS = 4V9
SI2301BDS-T1-E3
2706 B4
2708 C3
2709 B4
2710 C2
2711 C3
2713 D5
2714 D4
2715 C5
2716 D6
2730 E3
2731 G6
2733 E3
2734 E3
2735 E6
2736 E6
2737 G7
2738 F2
2739 F3
2741 G3
2749 B9
2750 F9
2751 B9
2752 B10
2753 E8
6V8
5V2
B16
2754 E8
2755 E9
2756 D11
2757 E11
2758 E11
2759 B10
2760 B9
2761 G9
2762 F9
3708 B2
3709 C3
3712 C5
3713 D5
3716 D5
3732 F4
3733 F4
3734 D11
3735 F5
3736 F3
3740 G2
3741 G2
3742 G4
3743 F4
3750 F9
3751 D8
3752 D8
3753 E8
3754 E9
RES
RES
TO SCALER CELL
TO HERCULES CELL
11V7
RES
NC
3755 B9
3758 B8
3759 F9
3760 B9
3761 F9
5700 B11
5704 B4
5709 C2
5712 C4
5713 C6
5730 E2
5733 F5
5735 F6
5737 F6
5738 F2
5752 D8
5753 E11
5754 E11
5755 A9
5756 A9
5757 A10
5758 A9
5759 B10
6708 C2
6709 B3
RES
6712 D4
6733 F5
6735 E6
6736 E7
6740 G2
6751 E11
7708 B4
7710 C3
7730 E4
7735 E5
7738 F3
7741 G3
7742 G4
7752 C9
7753 B10
7754 A9
7755 B8
7756 F8
7758 F10
F700 B11
F701 A4
F710 B6
F736 E6
F737 F7
F738 F7
F743 F6
F754 E11
F755 B8
I705 E3
I706 B4
RES
DC-DC CONVERTER
RES
B7
TO EPLD
NC
SUPPLY TO TUNER & HERCULES
I708 B4
I709 B4
I710 C2
I711 C3
I712 C4
I713 C5
I714 C4
I715 C4
I716 C5
I731 E3
I732 F4
I733 E5
I734 E5
I735 E6
I736 F5
I740 G2
I741 G3
I742 G4
I747 B9
I748 F9
I749 A10
I750 A10
I751 D9
I752 E9
I753 E9
3V2
TO TUNER CELL
I754 E9
I755 D11
I756 A9
I757 A9
I758 D11
I759 B9
I760 B9
FOR UFD ONLY
RES
FROM TOP CONNECTORS
3V2
3V1
0V
8V
11V5
11V5
5V4
FROM SCALER
FOR LCD ONLY
1R0
FOR UFD ONLY
3752
16V
47u
2738
5730
10u
SUP_GND1
I751
F736
5738
I712
1
2
3
6709
SS14
5
6
7
8
4
2
3
4
5
6
7
7758
SI4433DY
1751
1
100R
3761
22u
2762
16V
I755
3760
100R
+8VSW_TV
SUP_GND3
1K0
3759
IS
1
SWC
2
SWE
3
TIMC
6
VCC
SUP_GND1
IPK
OSC
REFERENCE
REGULATOR
5
CIN_NEG
8
DCOL
4
GND
7
7752
MC34063AD
S
R
Q
SUP_GND2
I716
4n7
2755
15K
3742
2761
1u0
25V
1%
2700
SUP_GND1
3733
3K3
I749
SUP_GND2
470u 16V
2753
3736
4K7
2
1
3
6733
L4940D2T12
7753
I756
SUP_GND3
SS14
+5VSW
F710
4K7
3716
10u
2711
1%
5K6
3712
2708
1K0
3735
I710
SUP_GND1
+12VSW
+5VSWI
2760
I714
1
4
5
25V
1u0
LF33CPT
7708
2
3
SUP_GND3
15K
5752
10u
3758
5709
10u
1%
3K3
+12VSW
3713
F743
6712
SS36
1%
3753
1K0
3754
3K3 1%
470u 16V
2757
F701
3732
I713
SUP_GND2
1K0 1%
BC817-25
7735
10K
3708
I711
SUP_GND1
1R0
3751
I759
SUP_GND1
I733
I760
2704
16V
10u
7
9
3
1
2
8
6
+3V3STBY
Φ
7710
L5973D
4
5
3743
5753
220u
22K
SUP_GND1
470u 16V
2758
I708
2710
10u
BC847BW
7741
10u 16V
2706
2713
470u 16V
35V
22u
2736
7742
BC847BW
+3V3SW
+3V3STBY
SUP_GND2
+12VUNREG
F737
+VTUN
2735
470p
LVDS_VCC
I732
5700
10K
I758
47u
SUP_GND1
3755
16V
2752
GND
SUP_GND2
25V
10u
2730
PAN_VCC
SUP_GND2
470p
2756
2739
2u2
2750
16V
47u
SS14
6751
5704
I752
22n
2734
+12VSW
I750
BAV99
6735
5758
I742
I709
I735
I734
+5VSWI
SUP_GND2
3
1
2
7754
SUP_GND2
22n
2715
I748
SUP_GND1
220p
+12VUNREG
2714
2754
SUP_GND1
F738
5754
10u
5756
16V
470u
2737
3750
22K
PDTC114ET
F700
7755
5737
10u
1m0
SUP_GND1
5735
10u
5713
I731
SUP_GND2
I757
5712
33u
+3V3STBY
I740
5759
BZX384-C8V2
6740
I715
5755
470u
SUP_GND3
+3V3STBY
2716
16V
INH
3
OUT
1
SYNC
2
8
VCC
VREF
6
+5V
COMP
4
FB
5
7
GND
6K8
3709
7730
L5970D
2
1
3
L78M08CDT
7738
I706
SUP_GND1
16V
47u
2709
2741
220n
I747
I705
+12VUNREG
1K5
3740
2751
100n
3741
+12VSW
I753
1K5
I741
6708
SS24
16V
470u
2731
2759
5757
BZX384-C33
6736
I754
SUP_GND3
SUP_GND2
2701
100p
I736
PDTC114ET
7756
2K2
3734
2733
220p
SUP_GND3
220u
5733
+12VSW
SUP_GND1
2749
10u
POWER_DOWN
SC_STANDBY
PANEL-PWR-CTL
3139 123 6145.1
B6
B6
F_16040_006.eps
251005