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A
B
8
7
6
5
FROM/TO 21PIN
ATV_CVBS_OUT
FROM/TO SCALER_AV
CVBS0P
CVBS0N
FROM/TO REGULATOR1
4
P.CON+5V_TUNER
P.CON+2.5V
FROM/TO REGULATOR2
ATV_CVBS_OUT
P.CON+5V_TUNER
P.CON+3.3V
C5826_1
TUNER_CVBS
16V
47
V-S
3
GND
2
NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
1
A
B
H-35
C
D
TUNER SCHEMATIC DIAGRAM
(MAIN PCB)
SCALER
IC800
MT5362CHG
3.44
AVDD33_DIG
Y23
HCB1608KF-181T20
0
AVSS33_DIG
AA22
3.28
IF_AGC
E24
5.04
TUNER_CLK
F24
3.28
RF_AGC
E25
NC
R5806
5.04
TUNER_DATA
F25
220
W835
3.28
VIN_ATV
R25
W840
3.28
VIP_ATV
T25
C5806
3.28
VINDC
T26
0.1 B
2.49
DVDD25_IFADC
V23
HCB1608KF-181T20
0
DVSS25_IFADC
V22
2.5
AVDD25_IFADC
U24
2.48
HCB1608KF-181T20
AVDD25_REF
P26
0
AVSS25_IFADC
U23
0
AVSS25_IFADC
T24
0
P25
AVSS25_REF
JG5800
NC
AF
AA24
3.28
SIFP
AB25
C5802
3.28
SIFN
AB26
0.01 B
3.44
AVDD33_SIF
W22
HCB1608KF-181T20
0
AVSS33_SIF
Y22
BUFFER
Q5800
KTC3875S_Y_RTK
5.0
R5809
1.8
R5811
10
5.0
180
NOTE:THE DC VOLTAGE AT EACH PART WAS MEASURED
WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST
WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
C
D
E
NC
NC
B5802
P.CON+3.3V
R5803
IF_AGC
C5812
10K
P.CON+5V_TUNER
0.047
B
C5824
R5805
33P CH
TU_SCL
220
C5825
TU_SDA
33P CH
NC
NC
C5817
TINM
0.01 B
C5816
TINP
0.01 B
B5800
P.CON+2.5V
B5804
P.CON+2.5V
C5811
SIFP
0.01
B
SIFN
B5803
P.CON+3.3V
CVBS0P
SH5801
YQ-12
W841
CVBS0N
TUNER
TU5800
TDTW-S126D
PCB290
CEJ571
PCBF40
CMJ159
ATTENTION
:LES PIECES REPAREES PAR UN
DANGEREUSES AN POINT DE VUE SECURITE
N'UTILISER QUE CELLS DECRITES
DANS LA NOMENCLATURE DES PIECES
E
F
G
NC
NC
(TUNER PCB)
NC
DIF2
W883
W884
DIF1
NC
NC
CAUTION
:SINCE THESE PARTS MARKED BY
ETANT
CRITICAL FOR SAFETY,USE ONES
DESCRIBED IN PARTS LIST ONLY
F
G
H
8
7
6
5
4
3
NC
2
ARE
1
H
H-36
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