Toshiba 19LV505 Service Manual page 99

A B
8
7
C5801
6.3V 220
B5801
FCM1608KF-102T02
6
5
FROM REGULATOR
D5.0V
4
TUNER+30V
D3.3V
GND
3
2 FROM/TO SCALER VIDEO/AUDIO
BUFFER
Q5802
2SK3019_TL
I2C_DATA
3.2
4.9
I2C_CLK 3.2
3.2 4.9
BUFFER
Q5801
3.2
2SK3019_TL
TO AV SWITCH
1
TU_AUDIO_R
TU_AUDIO_L
A B
H-17
C
TU5801 ENG36E18KF
B5802
FCM1608KF-102T02
V-S
R5801
150K
C5819
B5804 6.3V 220 V-S
FCM1608KF-151T06 BTSC DEMODULATOR IC
IC5801 AN5832SA-E1V
C5823 0.33 B 3.5
PILOT DET NC
R5813
C5818 0.22 B
3.5
PLL L+R REF
3.3K 0
C5824 0.1 B
VCC SAP DET
NC NC NOISE DET
C5817 0.001 B
SIF_OUT 2.2
INPUT SIF/BB
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
NC PE IIC/PARA
R5812 100
5.0
SCL/STID SPE FIL
C5827 2.2 B 1.7
AGC DET SPE DEL
2.2
ROUT SPE TIME
2.2
LOUT WB DET
NC NC WB TIME
C5830 2.2 B 1.3
L-R RBF NC
C
D E
TUNER SCHEMATIC DIAGRAM
(DIGITAL PCB)
R5820
TU_AFT
3.2 3.2
3.2 4.9 BUFFER
BUFFER
Q5803 2SK3019_TL
2SK3019_TL
NC
2.2 C5833 2.2 B
2.8 C5834 0.033 B
2.9 C5835 0.1 B
NC
NC
NC
NC
NC
5.0
2.4 C5837 0.022 B
2.4 C5838 0.1 B
0.5 C5839 3.3 B
NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
2.9 C5840 0.33 B
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
0.5 C5841 10 C
NC
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.
D E
F
8
W878
R5819 C5844
1.1
100 0.01 B
C5845
1.07
100 0.01 B
0.79
1.67
0.69
R5823
3.28
1K
2.81
3.2
R5822
I2C0C 3.28
4.9
47
R5821
I2C0D 3.28
47
Q5804
CAUTION
:SINCE THESE PARTS MARKED BY
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
TO SCALER VIDEO/AUDIO
TU_CVBS
7
6
SCALER IC
IC2801 R8J66954BG
AA1
ADIN1
5
Y1 ADIN0
VSB_ADC
W2 ADVREF0
Y2 ADVREF1
AA2 ADVREF2
AA7 IF_AGC
4
TUNER_IF
AA5 MCUADIN0
MCU_ADC
Y9 SICL0
IIC0
AA9
SIDA0
3
2
PCBDH0
ARE
CEG360
1
G H
19LV505/19LV506/22LV505 H-18