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A
B
8
DIGITAL/ANALOG TUNER W/NTSC_MPX
TU2801
ENG36A53KF
7
6
5
4
3
2
CAUTION: DIGITAL TRANSISTOR
CAUTION: DIGITAL TRANSISTOR
1
A
B
G-15
C
D
TUNER SCHEMATIC DIAGRAM
0
4.96
0
31.7
0.9
0
4.9
1.6
3.33
3.32
0.27
3.87
1.45
NC
NC
C2807
C2801
C2804
0.1 B
0.1 B
0.1 B
C2831
0.1 B
L2802
22uH
5
SW
0305
0
Q2806
RT1P431C
5
C2803
0.1
B
4
3
2
1
5
6
7
8
5
3.4
SW
Q2801
RT1N241C
0
REG_AT+5V
UNREG+5V
UNREG+4V
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
ATTENTION
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
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
(AV PCB)
4.98
0
0
0
0.82
0
0
R2810
R2811
4.7K
390K
R2805
82K
0.6
5
2.5
0.6
0
IF AMP
Q2805
IF AMP
Q2804
1.8
2SC3841-T1B_T63
2SC3841-T1B_T63
4.2
C2814
0
0.0022 B
0
C2826
47P CH
NC
NC
NC
: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
E
F
G
FROM/TO MICON
AFT_MAIN
DTV_POWER_ON-H
DTV_RESET
DTV_RX
DTV_TX
SD-H
AFT_1[L/H]
AFT_2[L/H]
P.CON+5V
GND
DTV_A_MUTE-L
FROM/TO STEREO
SIF_IN
I2S_DA_IN3
I2S_WS3
I2S_CL3
I2S_DA_OUT
I2S_WS
I2S_CL
FROM AV SW/JACK
TU_V_OUT
SWD_U
SWD_V
SWD_Y
Y_OUT
C_OUT
DTV_A_MUTE-L
SPDIF_OUT
C2828_1
0.027
B
ARE
F
G
H
8
7
6
5
4
3
2
PCBD20
CEF155
1
H
G-16
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