Sharp LC-26DV24U Service Manual page 60

A B
8
7
C5801
6.3V 220
6
FROM REGULATOR2
5
D3.3V
D5.0V
TUNER+30V
GND
4
3
2
FROM/TO SCALER VIDEO/AUDIO
I2C_DATA
BUFFER
Q5802
2SK3019_TL
I2C_CLK
BUFFER
Q5801
2SK3019_TL
D3.3V
TO AV SWITCH2
1
TU_AUDIO_R
TU_AUDIO_L
A B
H-25
C
TU5801 ENG36E19KF
C5805
0.1 B
B5802
FCM1608KF-102T02
V-S
40
IF_AGC
TU_I2C_CLK
TU_I2C_DATA
C5819 6.3V 220 V-S
B5804
BTSC DEMODULATOR IC
FCM1608KF-151T06
IC5801 AN5832SA-E1V
C5823 0.33 B 3.5
PILOT DET NC
R5813
C5818 0.22 B 3.5 2.2
PLL L+R REF
C5824 0.1 B 3.3K 0 2.8
VCC SAP DET
2.9
NC NC NOISE DET
C5817
SIF_OUT 2.2
INPUT SIF/BB
0.001 B C5825 4.7 B 3.3
SIF REF MUTE
C5826 2.2 B 2.2
STEREO REF FOMO
R5810 100 5.0
SDA/SAPID MODE
0
GND AGC SW
R5811 180K 5.0
NC PE IIC/PARA
R5812 100 5.0 2.4
SCL/STID SPE FIL
C5827 2.2 B 1.7 2.4
AGC DET SPE DEL
2.2 0.5
ROUT SPE TIME
2.2 2.9
LOUT WB DET
0.5
NC NC WB TIME
C5830 2.2 B 1.3
L-R RBF NC
C
D E
TUNER SCHEMATIC DIAGRAM
(DIGITAL PCB)
R5819
100
R5820
100
TU_AFT
NC
C5833 2.2 B
C5834 0.033 B
C5835 0.1 B
NC
NC
NC
NC
NC
C5837 0.022 B
C5838 0.1 B
B NOTE:THE DC VOLTAGE AT EACH PART WAS MEASURED
C5839 3.3
WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST
C5840 0.33 B
WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
C
C5841 10
NC
NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
D E
F G
W878
TO SCALER VIDEO/AUDIO
8
TU_CVBS
SCALER IC
1.6
AA1 ADIN1
C5844
B
0.01
1.6
Y1 ADIN0
C5845
1.8
W2 ADVREF0
0.01 B
1.6
Y2 ADVREF1
1.6
AA2 ADVREF2
NEAR IC2401
3.3
AA7 IF_AGC
R5823
1K
2.8
AA5 MCUADIN0
R5822
3.3
Y9 SICL0
47
R5821
3.3
AA9
SIDA0
47
CAUTION
:SINCE THESE PARTS MARKED BY ARE
CRITICAL FOR SAFETY,USE ONES
DESCRIBED IN PARTS LIST ONLY
ATTENTION
:LES PIECES REPAREES PAR UN ETANT
DANGEREUSES AN POINT DE VUE SECURITE
N'UTILISER QUE CELLS DECRITES
DANS LA NOMENCLATURE DES PIECES
F G
H
8
7
6
IC2801 R8J66954BG
5
VSB_ADC
4
TUNER_IF
MCU_ADC
IIC0
3
2
PCBDH0
CEG352
1
H
H-26