Sharp DV-S15 (serv.man10) Service Manual ▷ View online
Audio Block Diagram
IC801 (AUDIO DAC)
7
8
12
11
11
DIGITAL
AUDIO OUT
AUDIO OUT
JK1201
AMP
Q1351
IC1201
Q1203
Q1201
Q1202
VREF
+3.3V
(AMP)
CN701
CN1601
CN701
CN1601
16
16
AUDIO-L
18
18
AUDIO-R
15
15
A-L-MUTE
17
17
A-R-MUTE
19
19
A-MUTE
AUDIO-L
OUT
OUT
1
2
3
2
3
13
14
15
14
15
16
FROM
VIDEO
BLOCK
DIAGRAM
VIDEO
BLOCK
DIAGRAM
SERIAL
PORT
SERIAL
CONTROL
4X/8X
OVERSAMPLING
DIGITAL FILTER
/FUNCTION
CONTROLLER
ENPHANCED
MULTI-LEVEL
MULTI-LEVEL
DELTA-SIGMA
MODULATOR
DAC
LPF+AMP
L-CH
R-CH
LPF+AMP
DAC
ZERO DETECT
SYSTEM CLOCK
1
2
6
7
5
AUDIO-R
OUT
OUT
PCM-BCK
SPDIF
PCM-DATA0
PCM-LRCLK
PCM-LRCLK
ADAC-MD
ADAC-MC
ADAC-ML
ADAC-MC
ADAC-ML
PCM-SCLK
AV CBA
DVD MAIN CBA UNIT
AUDIO SIGNAL
DATA(AUDIO) SIGNAL
21
21
SPDIF
A-MUTE
+3.3V
Q1204
WF6
3
WF4
WF5
JK1404
1
3
AUDIO-L
OUT
OUT
AUDIO-R
OUT
OUT
1-9-9
1-9-10
E56H0BLA
Power Supply Block Diagram
CAUTION !
Switching power supply circuit is used in this unit.
If Main Fuse (F1001) is blown, check to see that all components in the
power supply circuit are not defective before you connect the AC plug to
the AC power supply. Otherwise it may cause some components in the
power supply cir cuit to fail.
If Main Fuse (F1001) is blown, check to see that all components in the
power supply circuit are not defective before you connect the AC plug to
the AC power supply. Otherwise it may cause some components in the
power supply cir cuit to fail.
A V
AC1001
AC CORD
F1001
T1.6A L 250V
LINE
FILTER
L1001
D1001, D1002
D1004, D1005
D1004, D1005
Q1003
Q1008
Q1001
2
4
7
3
4
IC1001
ERROR
VOLTAGE DET
VOLTAGE DET
T1001
11
12
13
15
14
16
17
18
-FL
EV+3.3V
F1
F2
P-ON+5V
P-ON+3.3V
P-ON+12V
EV+5V
EV+5V
IC1006
(SHUNT REGULATOR)
SWITCHING
D1008
D1030
RECTIFIER
D1003
RECTIFIER
D1009
RECTIFIER
D1013
D1016
RECTIFIER
SWITCHING
CONTROL
SWITCHING
CONTROL
CONTROL
REG
1
2
6
BRIDGE
RECTIFIER
HOT
AV CBA
+1.8V
REG.
1
2
3
4
5
6
2
3
4
5
6
14
15
16
17
18
19
20
15
16
17
18
19
20
P-ON+1.8V
P-ON+1.8V
P-ON+1.8V
EV+2.5V
EV+2.5V
EV+2.5V
P-ON+5V
P-ON+5V
P-ON+5V
EV+9V
EV+9V
EV+9V
EV+3.3V
P-ON+3.3V
PWRCON
P-ON+3.3V
P-ON+3.3V
P-ON+3.3V
5V
REG.
Q1014
Q1006
Q1002
CN1001
Q1011
Q1005
Q1004
IC1002
IC1003
Q1007
REG
(SHUNT REGULATOR)
HOT CIRCUIT. BE CAREFUL.
E56H0BLP
1-9-12
1-9-11
CAUTION
FOR CONTINUED PROTECTION AGAINST FIRE HAZARD,
REPLACE ONLY WITH THE SAME TYPE T1.6A L 250V FUSE.
REPLACE ONLY WITH THE SAME TYPE T1.6A L 250V FUSE.
NOTE :
The voltage for parts in hot circuit is measured using
hot GND as a common terminal.
The voltage for parts in hot circuit is measured using
hot GND as a common terminal.
SCHOTTKY
BARRIER
SCHOTTKY
BARRIER
Power Supply Block Diagram
CAUTION !
Switching power supply circuit is used in this unit.
If Main Fuse (F1001) is blown, check to see that all components in the
power supply circuit are not defective before you connect the AC plug to
the AC power supply. Otherwise it may cause some components in the
power supply cir cuit to fail.
If Main Fuse (F1001) is blown, check to see that all components in the
power supply circuit are not defective before you connect the AC plug to
the AC power supply. Otherwise it may cause some components in the
power supply cir cuit to fail.
A V
AC1001
AC CORD
F1001
T1.6A L 250V
LINE
FILTER
L1001
D1001, D1002
D1004, D1005
D1004, D1005
Q1003
Q1008
Q1001
2
4
7
3
4
IC1001
ERROR
VOLTAGE DET
VOLTAGE DET
T1001
11
12
13
15
14
16
17
18
-FL
EV+3.3V
F1
F2
P-ON+5V
P-ON+3.3V
P-ON+12V
EV+5V
EV+5V
IC1006
(SHUNT REGULATOR)
SWITCHING
D1008
D1030
RECTIFIER
D1003
RECTIFIER
D1009
RECTIFIER
D1013
D1016
RECTIFIER
SWITCHING
CONTROL
SWITCHING
CONTROL
CONTROL
REG
1
2
6
BRIDGE
RECTIFIER
HOT
AV CBA
+1.8V
REG.
1
2
3
4
5
6
2
3
4
5
6
14
15
16
17
18
19
20
15
16
17
18
19
20
P-ON+1.8V
P-ON+1.8V
P-ON+1.8V
EV+2.5V
EV+2.5V
EV+2.5V
P-ON+5V
P-ON+5V
P-ON+5V
EV+9V
EV+9V
EV+9V
EV+3.3V
P-ON+3.3V
PWRCON
P-ON+3.3V
P-ON+3.3V
P-ON+3.3V
5V
REG.
Q1014
Q1006
Q1002
CN1001
Q1011
Q1005
Q1004
IC1002
IC1003
Q1007
REG
(SHUNT REGULATOR)
HOT CIRCUIT. BE CAREFUL.
E56H0BLP
1-9-12
1-9-11
CAUTION
FOR CONTINUED PROTECTION AGAINST FIRE HAZARD,
REPLACE ONLY WITH THE SAME TYPE T1.6A L 250V FUSE.
REPLACE ONLY WITH THE SAME TYPE T1.6A L 250V FUSE.
NOTE :
The voltage for parts in hot circuit is measured using
hot GND as a common terminal.
The voltage for parts in hot circuit is measured using
hot GND as a common terminal.
SCHOTTKY
BARRIER
SCHOTTKY
BARRIER
Power Supply Block Diagram
CAUTION !
Switching power supply circuit is used in this unit.
If Main Fuse (F1001) is blown, check to see that all components in the
power supply circuit are not defective before you connect the AC plug to
the AC power supply. Otherwise it may cause some components in the
power supply cir cuit to fail.
If Main Fuse (F1001) is blown, check to see that all components in the
power supply circuit are not defective before you connect the AC plug to
the AC power supply. Otherwise it may cause some components in the
power supply cir cuit to fail.
A V
AC1001
AC CORD
F1001
T1.6A L 250V
LINE
FILTER
L1001
D1001, D1002
D1004, D1005
D1004, D1005
Q1003
Q1008
Q1001
2
4
7
3
4
IC1001
ERROR
VOLTAGE DET
VOLTAGE DET
T1001
11
12
13
15
14
16
17
18
-FL
EV+3.3V
F1
F2
P-ON+5V
P-ON+3.3V
P-ON+12V
EV+5V
EV+5V
IC1006
(SHUNT REGULATOR)
SWITCHING
D1008
D1030
RECTIFIER
D1003
RECTIFIER
D1009
RECTIFIER
D1013
D1016
RECTIFIER
SWITCHING
CONTROL
SWITCHING
CONTROL
CONTROL
REG
1
2
6
BRIDGE
RECTIFIER
HOT
AV CBA
+1.8V
REG.
1
2
3
4
5
6
2
3
4
5
6
14
15
16
17
18
19
20
15
16
17
18
19
20
P-ON+1.8V
P-ON+1.8V
P-ON+1.8V
EV+2.5V
EV+2.5V
EV+2.5V
P-ON+5V
P-ON+5V
P-ON+5V
EV+9V
EV+9V
EV+9V
EV+3.3V
P-ON+3.3V
PWRCON
P-ON+3.3V
P-ON+3.3V
P-ON+3.3V
5V
REG.
Q1014
Q1006
Q1002
CN1001
Q1011
Q1005
Q1004
IC1002
IC1003
Q1007
REG
(SHUNT REGULATOR)
HOT CIRCUIT. BE CAREFUL.
E56H0BLP
1-9-12
1-9-11
CAUTION
FOR CONTINUED PROTECTION AGAINST FIRE HAZARD,
REPLACE ONLY WITH THE SAME TYPE T1.6A L 250V FUSE.
REPLACE ONLY WITH THE SAME TYPE T1.6A L 250V FUSE.
NOTE :
The voltage for parts in hot circuit is measured using
hot GND as a common terminal.
The voltage for parts in hot circuit is measured using
hot GND as a common terminal.
SCHOTTKY
BARRIER
SCHOTTKY
BARRIER
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