Tuner - Sanyo DP19649 Service Manual

A B
8
TO SCALER VIDEO/AUDIO
TU_CVBS
7
6
5
4
3
FROM REGULATOR
TUNER+32V
D5.0V
D3.3V
2
A3.3V
GND
CAUTION
:SINCE THESE PARTS MARKED BY
1
CRITICAL FOR SAFETY,USE ONES
DESCRIBED IN PARTS LIST ONLY
A B
G-13
C
TUNER SCHEMATIC DIAGRAM
TU5801 ENG36E18KRF
0.02
W846
2
R5817
100 1/16W
3
ATTENTION
ARE :LES PIECES REPAREES PAR UN
DANGEREUSES AN POINT DE VUE SECURITE
N'UTILISER QUE CELLS DECRITES
DANS LA NOMENCLATURE DES PIECES
C
D E
(DIGITAL PCB)
1.0 5.0 30.0 3.3 3.3 3.0 5.0 3.2 1.6 1.6
C5809
50V 0.1 B
R5808
100 1/16W
R5809
100 1/16W
C5803
0.001 B
TU_AFT
NOTE:THE DC VOLTAGE AT EACH PART WAS MEASURED
ETANT
WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST
WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
D E
F G
SCALER IC IC2801
C5828
1.6
B4 VSBINM
16V 0.01 B
C5827
1.6
A4 VSBINP
VSB / SIF ADC
16V 0.01 B
0.02
D5 SIFIN
0
C6 VRPVSA
0
B5 VRMVSA
NC
G1 SANT
NC G3 RFAGC
VSB
R5824 R5816
3.2
F1 IFAGC
1K 1/16W 1K 1/16W
1.6
W22 TUNER_AFT
MCU ADC
3.3
E1 SICL0
IIC0
3.3
F2 SIDA0
3.3
D7 AVDD33VSA
0
A5 AVSSVSA
B5805
3.3
E7 AVDD33VSA
BLM18PG121SN1D
0
D6 AVSSVSA
NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
F G
H
8
7
6
R8J04012BG
5
4
3
2
PCBDH0
CEH432
1
H
G-14