Tuner - Sanyo DP19649 Service Manual

A B
8
TO SCALER VIDEO/AUDIO
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
TUNER SCHEMATIC DIAGRAM
TU5801
115UC033AR--F
W846
1608
C5809
50V 0.1 B
1005
R5817
100 1/16W
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
(DIGITAL PCB)
3
1005
R5808
100 1/16W
1005
R5809
100 1/16W
C5803
0.001 B
TU_AFT
ATTENTION
D E
F G
SCALER IC IC2801
1005
C5828
1.6
B4 VSBINM
16V 0.01 B
1005
C5827
1.6
A4 VSBINP
16V 0.01 B
0.02
D5 SIFIN
0
C6 VRPVSA
0
B5 VRMVSA
NC
G1 SANT
NC G3 RFAGC
1005
R5824 R5816
3.2
F1 IFAGC
1K 1/16W 1K 1/16W
1.6
W22 TUNER_AFT
3.3
E1 SICL0
3.3
F2 SIDA0
3.3
D7 AVDD33VSA
0
A5 AVSSVSA
B5805
3.3
E7 AVDD33VSA
BLM18PG121SN1D
0
D6 AVSSVSA
:LES PIECES REPAREES PAR UN ETANT
CAUTION
:SINCE THESE PARTS MARKED BY
DANGEREUSES AN POINT DE VUE SECURITE
CRITICAL FOR SAFETY,USE ONES
N'UTILISER QUE CELLS DECRITES
DESCRIBED IN PARTS LIST ONLY
DANS LA NOMENCLATURE DES PIECES
F G
H
8
7
6
R8J04012BG
5
VSB / SIF ADC
4
VSB
3
MCU ADC
IIC0
2
PCBDH0
CEJ500
1
ARE
H
G-14