FUNAI FL11.3 Service Manual page 41

Power Supply 2 Schematic Diagram
CONTINUE
POWER 1
AL+33V
TUNER+5V
CONTINUE
POWER 3
R303 100
SCL
R302 100
SDA
4
BC301
WIRE
IF-AGC
DIF-OUT2
L301
33uH
DIF-OUT1
D301
OPEN
AUDIO-MUTE
L304
OPEN
C310
47P
C311
47P
CONTINUE
POWER 1
AL+3.3V
AL+13V
PROTECT2
3
CN802
CL802
SP802 SP(R)- 1
SPEAKER
SP(R)+ 2
R-CH
C848 C845 C849
470P OPEN 470P
C836 R815
1 10K
2
CONTINUE
POWER 1
AMP(R)-OUT C834 R813
1 10K
AMP(L)-OUT
1
C827
1000/25V
CN801
CL801
SP801 SP(L)- 1
SPEAKER
SP(L)+ 2
L-CH
G
*Either TU301 is used for Power Supply CBA.
*
TU301 TUNER UNIT
1 2 3 4 5 6 7 8 9 10 11 12 13
C304
1000P
C307
D302 C308
OPEN
OPEN OPEN
R304
0
L302 R309
LK1608R22K-T 0
L303 R308
LK1608R22K-T 0
BC805
BEAD
BC804
C846 C828
D803 D804 D805 BEAD
OPEN 0.1
OPEN 20BSB-T26 OPEN
C821 C822
C823 BC801
L803
0.1 1000P
OPEN BEAD
33uH
C817
1
C816 10/50V
C815 R810 C820
1 0
1
C837
R816
2700P
3.3K 3.6 0 3.6 4.2 13.6 19.1 13.6 13.6 6.4 6.4
44 43 42 41 40 39 38 37 36 35 34
GND GND
PWM2 DRIVE2
IC801
BD5426EFS-E2
(AUDIO AMP)
PWM1 DRIVE1
POWER LIMIT
GND GND
1 2 3 4 5 6 7 8 9 10 11
3.6 5.1 2.1 2.1 3.6 19.1 13.6 13.6 6.5 6.5 0
C801 R801
1 0
C803
C835
R814 R802
1
2700P
3.3K 27K C802
0.1 L801
33uH
C804 C805
0.1 1000P
BC803
BEAD
BC802
C838 C839 C809
D801 D802 BEAD
470P 470P 0.1
20BSB-T26 20BSB-T26
H I
*
TU301 TUNER UNIT
1
C306 C305
10/50V 0.1
C302 C303
0.1
330
/10V
C309
0.1
C830
C829
0.47
0.1
R811 OPEN
C825 C826
L804
0.1 1000P C832 3.3/50V
33uH
C833 0.1
C818
C824 R812 OPEN 0.1
1
0 0 6.5 6.5 13.6 13.6 19.1 9.3 5.1 5.4 0
33 32 31 30 29 28 27 26 25 24 23
RAMP CLOCK
GENERATOR CONTROL
PROTECTIONS
& LOGIC
MUTE
CONTROL
NU NU
12 13 14 15 16 17 18 19 20 21 22
0 6.5 6.5 13.6 13.6 19.1 0 0 7.7
R817
100K
R807 R808
0 OPEN
C806
1
R805 R806
C813 R809
L802 OPEN 4.7K
OPEN OPEN
33uH
7.8
R820 7.8
C807 C808 Q802
C811 22K
0 0.1
0.1 1000P
0.47 KTC3198
-Y-AT/P
0 0 Q801
(AUDIO-MUTE)
KTC3198
-Y-AT/P
D806
(AUDIO-MUTE)
1SS133
C847
C814
0.1
OPEN
C810
0.1
J
10-4
VIDEO SIGNAL AUDIO SIGNAL
R819
22K
C819 D807
10/50V OPEN
R818
10K
BC806 BC807
OPEN WIRE
POWER SUPPLY CBA
K L
FL11.3SCM2