Toshiba 15LV505 TUNER SCHEMATIC DIAGRAM

ABC D E F GH
ABC D E F GH
2
1
3
4
5
6
7
8
2
1
3
4
5
6
7
8
IC5801 AN5832SA-E1V
BTSC DEMODULATOR IC
1 10 11 12 13 14 15 16
171819
2
20212223242526272829
3
303132
45678 9
TU5801 ENG36E18KRF
1
11 12
14 15 16 17
18 19
2
20 21
22 23 24 25
3 4 5 7 8
9
AA9
W2
Y2
AA2
AA7
Y1
Y9
AA5
IC2801 R8J66954BG
SCALER IC
AA1
WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST
NOTE:THE DC VOLTAGE AT EACH PART WAS MEASURED
S D
G
Q5801
2SK3019_TL
BUFFER
S D
G
Q5802
2SK3019_TL
BUFFER
L5801
22uHNLV25
L5805
0.22uHLQW18AN
:SINCE THESE PARTS MARKED BY
CAUTION
DESCRIBED IN PARTS LIST ONLY
CRITICAL FOR SAFETY,USE ONES ARE
DANS LA NOMENCLATURE DES PIECES
N’UTILISER QUE CELLS DECRITES
DANGEREUSES AN POINT DE VUE SECURITE
:LES PIECES REPAREES PAR UN ETANT
ATTENTION
D5803
MA111
D5804
MA111
C5817
0.001 B
C5814
33PCH
C5812
22PCH
C5811
22PCH
C5805
1
50V(2125)
F
C5809 0.1 B
C5804
0.1 B
C5845
0.01B
C5844 0.01B
C5846
56PCH
C5806
0.1 B
C5822
47PCH
C5821
47PCH
C5841 10C
C5840 0.33 B
C5839 3.3 B
C5838 0.1 B
C5837 0.022 B
C5835 0.1 B
C5834 0.033 B
C5833 2.2 B
C5818
0.22 B
C5825 4.7 B
C5826 2.2 B
C5827 2.2 B
C5830 2.2 B
C5823 0.33 B
C5847
0.1 B
C5824
0.1 B
C5853
0.1B
C5855
0.1B
C5852
0.1B
C5803
2206.3V V-S
C5801
2206.3V V-S
C5819
2206.3V V-S
R5808
4.7K
R5809
4.7K
R5819
100
R5820
100
R5801
150K
R5802
47K
R5803
100
R5804
100
R5807
100K
R5811 180K
R5812 100
R5810 100
R5823
1K
R5821
47
R5822
47
R5825
47K
R5813
3.3K
R5824
47K
R5817
3.3K
R5818
3.3K
B5801
FCM1608KF-102T02
B5803
FCM1608KF-102T02
B5802
FCM1608KF-102T02
B5804
FCM1608KF-151T06
W878
W858
W846
W804
W802
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
TU_CVBS
IF_OUT_1 IF_OUT_2
IF_AGC
GND
D5.0V
TUNER+30V
D3.3V
TU_AFT
I2C0C
I2C0D
SIF_OUT
I2C_DATA
I2C_CLK
TU_AUDIO_R
TU_AUDIO_L
TO AV SWITCH
H-14H-13
CEH420
PCBDH0
3.3 5.0
5.0
3.3
3.3
3.3
FROM/TO SCALER VIDEO/AUDIO
FROM/TO REGULATOR
FROM/TO SCALER VIDEO/AUDIO
(DIGITAL PCB)
TUNER SCHEMATIC DIAGRAM
8
NC(BB) NC NC
SDA SCL +5V +30V TU V_OUT SIF-out AGC IF_OUT IF_AGC
IF_O IF_OUT2 IF_OUT1
NC
AFT +5V
NC NC NC NC
1.0
NC
1.0 5.0
NC
30.0
5.0 5.0 2.5 5.0
NC
1.0 0.6 1.4
L-R RBF
NC
LOUT
ROUT
SPE DELAGC DET
SPE FILSCL/STID
PE
GND
SDA/SAPID
STEREO REF
SIF REF
INPUT
NC
VCC
L+R REFPLL
PILOT DET
IIC/PARA
AGC SW
MODE
FOMO
MUTE
SIF/BB
NOISE DET
SAP DET
WB TIME
WB DET
SPE TIME
NC
3.5
3.5
0
2.2
2.2
0
2.4
2.4
0.5
2.9
0.5
5.0
2.9
2.8
2.2
5.0
3.3
5.0
1.7
2.2
2.2
1.3
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC NC
ADIN1
SIDA0
SICL0
IF_AGC
ADVREF0
ADVREF1
ADVREF2
ADIN0 VSB_ADC
TUNER_IF
MCUADIN0 MCU_ADC
IIC0
1.6
1.4
0.6
1.6
0.8
1.0
3.3
3.3
2.4