Tuner - Sanyo DP19649 Service Manual

A B
8
TO SCALER VIDEO/AUDIO
W846
TU_CVBS
2
7
6
5
4
3
FROM REGULATOR
TUNER+32V
D5.0V
2
D3.3V
A3.3V
GND
1
NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
A B
G-13
C D
TUNER SCHEMATIC DIAGRAM
(DIGITAL PCB)
TU5801 ENG36E18KRF
NC NC NC NC 0.02 NC 1.0 NC 3.3 3.3 3.0
5.0 30.0 5.0
C5809
50V 0.1 B
1608
R5817
100 1/16W
1005
3
TU_AFT
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 F
NC
3.2 1.6 1.6
R5808 C5828
100 1/16W 16V 0.01 B
1005
1005
R5809 C5827
100 1/16W 16V 0.01 B
1005 1005
C5803
0.001 B
R5824 R5816
1K 1/16W
1K 1/16W
1005
B5805
BLM18PG121SN1D
ATTENTION
:LES PIECES REPAREES PAR UN ETANT
DANGEREUSES AN POINT DE VUE SECURITE
N'UTILISER QUE CELLS DECRITES
DANS LA NOMENCLATURE DES PIECES
E F
G
SCALER IC
IC2801 R8J66955BG
1.6
B4 VSBINM
1.6
A4 VSBINP
VSB / SIF ADC
0.02
D5 SIFIN
0
C6 VRPVSA
0
B5 VRMVSA
NC
G1 SANT
NC G3 RFAGC
VSB
3.2
F1 IFAGC
1.6
W22 TUNER_AFT
MCU ADC
3.3
E1 SICL0
IIC0
3.3
F2 SIDA0
3.3
D7 AVDD33VSA
0
A5 AVSSVSA
3.3
E7 AVDD33VSA
0
D6 AVSSVSA
CAUTION
:SINCE THESE PARTS MARKED BY ARE
CRITICAL FOR SAFETY,USE ONES
DESCRIBED IN PARTS LIST ONLY
G
H
8
7
6
5
4
3
2
PCBDH0
CEH432
1
H
G-14