Sanyo CE15LC3-B Service Manual

15" LCD-TV
BLOCK DIAGRAM
IF
TU
TDA9886
AUDIO
L/R -OUT
AV1-V- IN
AV2-V- IN
COLOUR TELEVISION
The service Precaution:
The area enclosed by this line
U U B B 4 4 - - B B
U U B B 4 4 - - B B
CHASSIS SERIES (
with AC mains voltage. When
servicing the area, connect an
isolating transformer between
CE15LC3-B
MODEL NUMBER
TV receiver and AC line to
eliminate hazard of electric
shock.
CE15LC3-B-00
SERVICE REF.NO.
Part No. SKP20451 N2GJ (SHEET 1-5)
AV2-L/R IN
AV1-L/R IN
AV1-TV-OUT
.
VIDEO DEC
STV2310
R/CR,G,B/CB- IN
AV1
RGB
VIDEO SW
LA7956
Product safety notice:
Product safety should be considered
when a component replacement is
made in any area of a receiver.
Components indicated by a mark /!\
in this circuit diagram show compo-
) is directly connected
nents whose values have special
significance to product safety. It is
particularly recommended that only
parts specified on the part service
manual be used for components
replacement pointed out by the
mark.
AUDIO DEC
.
STV8216
VIDEO DEC.
Y/CR/CB:8
SCALER
STV3550
SD
FLASH
RAM
1 6
1 2 8
MB
MB
AV_1
AV_2
8. This circuit diagram covers a basic or
Circuit diagram notes :
1. All resistance values are in ohms, K=1,000, M=1,000,000. representative chassis only. There
2. All resistance rated wattages are 1/6W unless otherwise may be some components or partial
noted. circuit differences between the actual
3. Excepting electrolytic capacitors, all capacitance values of chassis and the circuit diagram.
9. Diode 1S1555 may be replaced with
less than 1 are expressed in µF and more than 1 are pF.
4. All capacitance rated voltages are 50V unless otherwise 1S2473,1S2076 or DS472 unless
noted.
otherwise noted.
5. All inductance values are in µH. Transistor 2SC536(Q,R,S),
6. Voltage readings taken a digital voltmeter are from point
2SC1740(Q,R,S), 2SC945A(Q,R,P)
indicated chassis ground. Voltage readings taken by using
or 2SC1815(G,O,Y) unless other-
a colour bar signal are with all controls at normal position. wise noted.
Some voltages may vary with signal strength. Transistor 2SA608(E,F) may be
7. Waveforms were taken with colour bar and controls
replaced with 2SA933(Q,R),
adjusted for normal picture. Waveforms were taken by
2SA564(QA,RA), or 2SA1015(O,Y)
using a wide band oscilloscope and a low capacity probe.
unless otherwise noted.
3WX2
AUDIO AMP
LA4263
HP
LVDS
THC63
LVDM83R
RGB : 8bit
TV
RGB(Y/C)
V-I/O
SCART 1
A-I/O
V-IN
A-L/R-IN
Expression of capacitance and resistance in circuit diagram.
Capacitance (Example)
1000 C M 2000 D
Characteristic
Capacitance value (220pF)
Tolerance (±20%)
Kind(Ceramic)
Rated voltage (1,000V)
Resistance (Example)
1/2 N J 1.2
Resistance value (1.2Ω)
Tolerance (±5%)
Kind (M.carbon)
Rated wattage(1/2W)
SP X 2
Terminal guide
N/2
E C
N/2 + 1
1
B B
K
C E A
B
E C
N
A
K
A
K
E E 1 0
C C
B B 9
3
C : Collector A : Anode 2 3
1 2
1
B : Base K : Kathode
E : Emitter
Chip Components
Diode
Transistor
K
Resistor
C
3
123 12 x 10 = 12k
A
B E
J= ± 5%
K= ± 10%
M= ± 20%
T, A, U, D : Electrolytic
C, K, B : Ceramic
F : Mylar film
M, N : Polypropylene
Z : Metallized paper
D : Carbon
N : Metallized carbon
S : Oxide metallized
W : Wire wounding
C : Solid
7
6
5
4