Panasonic SA-PT750PC - Audio Digital Amp

18.6. Audio Digital Amp
FHOP
IN1M
IN2M
IN1P
IN2P
SGND1
SGND2
OSC
MODE
INPUT
STAGE
INPUT
STAGE
PWM
MODULATOR
CONTROL
AND
HANDSHAKE
CONTROL
AND
HANDSHAKE
DRIVER
HIGH
DRIVER
LOW
DRIVER
HIGH
DRIVER
LOW
TEMPERATURE SENSOR
CURRENT PROTECTION
VOLTAGE PROTECTION
PWM
MODULATOR
OSCILLATOR
MANAGER
STABI
RELEASE1
RELEASE2
SWITCH1
SWITCH2
ENABLE1
ENABLE2
MUTE
MUTE
MODE
2
3
STABI
PROT
VDDP2
VSSP2
VDDP1
VSSP1
BOOT1
BOOT2
OUT1
FL +
FR +
OUT2
IC5000
C1BA00000487
AUDIO DIGITAL POWER AMP
5
19
23
1
21
22
9
10
15
14
13
11
816
12 7
IN1M
IN2M
IN1P
IN2P
SGND1
SGND2
OSC
MODE
INPUT
STAGE
INPUT
STAGE
PWM
MODULATOR
CONTROL
AND
HANDSHAKE
CONTROL
AND
HANDSHAKE
DRIVER
HIGH
DRIVER
LOW
DRIVER
HIGH
DRIVER
LOW
TEMPERATURE SENSOR
CURRENT PROTECTION
VOLTAGE PROTECTION
PWM
MODULATOR
OSCILLATOR
MANAGER
STABI
RELEASE1
RELEASE2
SWITCH1
SWITCH2
ENABLE1
ENABLE2
MUTE
MUTE
MODE
2
3
STABI
PROT
VDDP2
VSSP2
VDDP1
VSSP1
BOOT1
BOOT2
OUT1
OUT2
IC5200
C1BA00000487
AUDIO DIGITAL POWER AMP
5
19
23
1
21
22
9
10
15
14
13
11
816
12 7
IN1M
IN2M
IN1P
IN2P
SGND1
SGND2
OSC
MODE
INPUT
STAGE
INPUT
STAGE
PWM
MODULATOR
CONTROL
AND
HANDSHAKE
CONTROL
AND
HANDSHAKE
DRIVER
HIGH
DRIVER
LOW
DRIVER
HIGH
DRIVER
LOW
TEMPERATURE SENSOR
CURRENT PROTECTION
VOLTAGE PROTECTION
PWM
MODULATOR
OSCILLATOR
MANAGER
STABI
RELEASE1
RELEASE2
SWITCH1
SWITCH2
ENABLE1
ENABLE2
MUTE
MUTE
MODE
2
STABI
PROT
VDDP2
VSSP2
VDDP1
VSSP1
BOOT1
BOOT2
OUT1
OUT2
IC5300
C1BA00000487
AUDIO DIGITAL POWER AMP
5
19
23
1
21
22
9
10
15
14
13
11
816
12 7
CENTER
C +
C -
MODE 1
SUBWOOFER
SW -
SW +
MODE 2
FRONT R
FRONT L
MUTE C S
MUTE F SW
MOD DA
CENTER
SUBWOOFER
FL +
FR +
+
-
+
-
+
-
+
-
IC5500
INVERTER GATE (CLOCK GENERATOR)
C0JBAB000902
X5501
D-TYPE FLIP-FLOP
C0JBA000716
CP1 Q1
IC5501
X5500
1
5
6
2
4
8
10
9
11
3
D1
5
46
Q1
2
1
3
CD1
SD1
MUTING
CIRCUIT
Q5601,Q5602
Q5603,Q5604
MODE 1
MODE 2
CENTER
SUBWOOFER
FRONT L
FRONT R
SPEAKERS
SA-PT750P/PC AUDIO DIGITAL AMP BLOCK DIAGRAM
DC DET
Q5640,
Q5642,
Q5644
FAN MOTOR
DRIVE
M
Q5101,
Q5102
DC DETECT
Q5641
FAN LOCK
DETECT
FAN LOCK
FAN DC OUT
FAN GND
FAN DC
3
FAN
FROM DVD (VIDEO/AUDIO)
FROM SYSTEM CONTROL
FROM DVD (VIDEO/AUDIO)
TO SYSTEM CONTROL
- 30V SENSE
- 30V SENSE
+ 30V SENSE
- 30V SENSE
- 30V SENSE
+ 30V SENSE
- 30V SENSE
- 30V SENSE
+ 30V SENSE
14 4
CN5050
CN2009
315
117
11 7
CN5050
CN2009
513
CN5050
CN2009
16 2
CN5050
CN2009
CN5050
CN2009
CN5050
CN2009
12 6
CN5050
CN2009
3
JK5001
7
JK5001
8
JK5001
5
JK5001
6
JK5001
4
JK5001
1
JK5001
2
JK5001
13 5
CN5050
CN2009
17 1
CN5050
CN2009
1
CN5501
3
CN5501
2
CN5501
:MAIN SIGNAL LINE
SA-PT750P / SA-PT750PC
96