A
B
C
D
E
F
G
H
A
B
C
D
E
F
G
H
2
1
3
4
5
6
7
8
2
1
3
4
5
6
7
8
L5803
0.22uH
LQW18AN
L5804
22uH
NLV25
TU5801
ENG36E18KRF
1
11
12
14
15
16
17
18
19
2
20
21
22
23
24
25
3
4
5
7
8
9
C5838
220
6.3V
V-S
C5806
220
6.3V
V-S
C5804_1
220
6.3V
V-S
R5817
100
1/16W
1005
R5803
150K
1/16W
1005
R5804
47K
1/16W
1005
R5805
100K
1/16W
1005
R5807
100
1/16W
1005
R5824
1K 1/16W
1005
R5808
100 1/16W 1005
R5806
100
1/16W
1005
R5815
3.3K
1/16W
R5814
3.3K
1/16W
R5816
1K 1/16W 1005
R5809
100 1/16W 1005
C5837
47P
50V
1005
CH
C5808
0.1
10V
1005
B
C5844
10
10V
2125
C
C5814
47P
50V
1005
CH
C5829
0.33
16V
1608
B
C5819
0.1
10V
1005
B
C5818
0.1
10V
1005
B
C5831
56P
50V
1005
CH
C5827
0.01
16V
1005
B
C5828
0.01
16V
1005
B
C5834
0.1
10V
1005
B
C5833
0.1
10V
1005
B
C5830
1
6.3V
1005
B
C5832
0.1
10V
1005
B
C5815
01.
10V
1005
B
C5811
47P
50V
1005
CH
C5835
10P
50V
1005
CH
C5836
33P
50V
1005
CH
C5803
0.001
50V
1005
B
C5809
0.1
50V
1608
B
E1
C6
B5
G3
G1
F1
W22
F2
D7
A5
D6
E7
D5
A4
IC2801
R8J66955BG
SCALER IC
B4
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST
NOTE:THE DC VOLTAGE AT EACH PART WAS MEASURED
W886
B5805
HCB1608KF-121T20
B5804
HCB1608KF-221T20
B5803
HCB1608KF-221T20
:SINCE THESE PARTS MARKED BY
CAUTION
DESCRIBED IN PARTS LIST ONLY
CRITICAL FOR SAFETY,USE ONES
ARE
DANS LA NOMENCLATURE DES PIECES
N’UTILISER QUE CELLS DECRITES
DANGEREUSES AN POINT DE VUE SECURITE
:LES PIECES REPAREES PAR UN
ETANT
ATTENTION
TU_CVBS
A3.3V
TUNER+32V
D3.3V
D5.0V
IF_AGC
IF_OUT_1
IF_OUT_2
GND
SIF_OUT
TU_I2C_DATA
TU_I2C_CLK
TU_AFT
H-66
H-65
2
26LV610U
FROM REGULATOR
PCBDH0
CEH440
1.7
1.7
1.7
1.7
1.7
1.7
1.8
1.7
1.8
1.8
1.8
1.8
1.8
NC
NC
NC
NC
NC
NC
NC(BB)
NC
NC
SDA
SCL
+5V
+30V
TU
V_OUT
SIF-out
AGC
IF_OUT
IF_AGC
IF_O
IF_OUT2
IF_OUT1
NC
AFT
+5V
(DIGITAL PCB)
TUNER SCHEMATIC DIAGRAM
TO SCALER VIDEO/AUDIO
TUNER
IC
NC
NC
SICL0
VRPVSA
VRMVSA
VSB
SANT
RFAGC
IFAGC
SIDA0
IIC0
TUNER_AFT
MCU ADC
AVDD33VSA
AVDD33VSA
AVSSVSA
AVSSVSA
VSB / SIF Power
SIFIN
VSB / SIF ADC
VSBINM
VSBINP
40