Sansui HDLCD3200C Service Manual page 47

A I B I C
D
I E I F I G I H
TUNERSCHEMATICDIAGRAM
L
t FROMRE U TOR2
D3.3V >
D5.OV >
TUNER+30V
GND
T
c_ c_
[E ,ROM/TOSCALERVIDEO/AUDIO ] •
2C DATA < > _/4°,! •
" I
>.O _f_ 50 SK3
12C CLI, 3.\_ I_:_ BUFFER05801
I 2SK3019 TL ,,,
TO AV SWITCH
TU AUDIO R < .dl ._1
TU AUDIO L < _ •
I D5801
i 6.3V 220 VV_
I W831
i :>_ K
TU 12C CLK
52 °
_T_
_±_
8T_
TU 12C DATA
C5819 63V 220 V S
B5804 _:ibi
FCM1608KF 151T06
C5823 0.33 B
SIF OUT C5817 0.001 B
_'1o0 50_
"' o_
R5811 180K --_..,_
R5812W'A_100 :: 5N_>_
C5827'vV'' 2.2 B IOV 1"7S_
2.2,_ _
2.2__-"
C5830 2.2 B IOV 1 3_
_ "_
TUNER
TU AFT
T BTSC DEMODULATOR
IC5801 AN5832SA EIV
I
PILOT DET
PLL LR RL, ''_' - _ (1 0_}.0
vgc SAP DET ?_
2 g C5835 0.I B
NC NOISE DET _
INPUT SIF/BB } NC
SIF REF MUTE } NC
STEREO REF FOMO _ NC
SDA/SAPID MODE } NC
GND AGC SW } NC
PE IIC/PARA 5.0
<_2 4 C5837 0022 B
SCLISTID SPE FIL __ 101 B
24 C5838
AGC DET SPE DEL ¢2_13.3 B
05
ROUT SPE TIME __ I
_<£_2q C5840 0.33 B
LOUT WB DET k_;_ I
05 D5841 1
NC WB TIME@_ 110 _63V
L_F _NC
R5819 C5844 W932
R5820 C5845 W877
100 0.01 B
W878
_8
8_
CAUTI
ON siNcE
T HESE PARTS MARKED BY ,::_ ARE
CRITICAL FOR SAFETY,USE ONES
DESCRIBED IN PARTS LIST ONLY
ATTENTI
ON :LES PIECES REPAREESPAR UN ,_ ETANT
DANGEREUSESAN POINT DE VUE SECURITE
N!UTILISER QUE CELLS DECRITES
DANS LA NOMENCLATURE DES PIECES
167
15
8
107
0.70
1.67
0.69
, NEAR IC2401 R5823 _ - 3 28
2.81
Rs_22 ,v,L47 3:28
R5821 47 3.28
W+
NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE,>
NOTE:THE DC VOLTAGEAT EACH PART WAS MEASURED
WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST
WAS RECEIVEDIN GOOD CONDITION AND PICTURE IS NORMAL.
I TO SCALER VIDEO/AUDIO
> TU CVBS
SCALER
IC2801 R8J66954BG
AA1 ADIN1
Y1 ADIN0
VSBADC
W2 ADVREF0
Y2 ADVREF1
AA2 ADVREF2
AA7 IF AGC I TUNER IF
AA5 MCUADINO 3 MCU ADC
Y9 SICLO _ IIC0
AA9 SIDA0
_ TUNER VIDEO SIGNAL
_I_I CAPSTAN AFC SIGNAL
A I B I c I D I E I F I G I H
J-19 J-20