Panasonic SB-PF960 - Block Diagram: Audio Digital Amp; Audio Digital Amp Block Diagram

3.7. Audio Digital Amp
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
SUR R
SUR L
OUT2
IC5400
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
FL R
FR L
OUT2
IC5300
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
LOW
CENT
BOOT2
OUT1
OUT2
IC5100
C1BA00000487
AUDIO DIGITAL POWER AMP
5
19
23
1
21
22
9
10
15
14
13
11
816
12 7
SW L
SUBWOOFER
CENTER
SURROUND L
SURROUND R
FRONT L
FRONT R
MUTE S
MUTE F
MOD DA
CENTER
F HOP
SUBWOOFER
SUR L
SUR R
FR L
FR R
+
-
+
-
+
-
+
-
+
-
+
-
IC5500
INVERTER GATE
(CLOCK GENERATOR)
C0JBAB000011
X5500
375KHz
X5501
Q5500
Q5501
415KHz
2
10
4
11
3
5
6
1
MUTING
CIRCUIT
Q5600,Q5602
Q5603
SUBWOOFER R
SUBWOOFER L
SURROUND L
SURROUND R
FRONT L
FRONT R
SPEAKERS
SA-VK960GCP AUDIO DIGITAL AMP BLOCK DIAGRAM
DC DET
DC DET
Q2900
Q2902,
Q2904
FAN MOTOR
DRIVE
M
Q5550,
Q5551
DC DETECT
DC DETECT
D5556
Q2906
Q2907
+VE
SIGNAL
-VE
3
FAN
FROM AUDIO
FROM SYSTEM CONTROL
FROM AUDIO
FROM/TO SYSTEM CONTROL
FROM POWER
- 30V
- 30V
- 30V
- 30V
+ 30V
+ 30V
- 30V
- 30V
+ 30V
- 30V
- 30V
+ 30V
715
69
5
3
6
CN5603
CNP2370
1
CN5603
CNP2370
12
CN5603
CNP2370
11
CN5502
H5903
11
CN5603
CNP2370
CN5603
CNP2370
CN5603
CNP2370
3
CN2810
CNP2810
CN5603
CNP2370
CN5603
CNP2370
3
JK5301
7
JK5302
8
JK5302
5
JK5302
6
JK5302
4
JK5301
5
JK5301
6
JK5301
+
-
FRONT LOWER L
5
JK5302
6
JK5302
+
-
CENTER
5
JK5304
6
JK5304
+
-
FRONT LOWER R
1
JK5301
2
JK5301
1
JK5304
2
JK5304
3
JK5304
4
JK5304
4
CN2810
CNP2810
2
CN2810
CNP2810
1
CNP2913
CNP2913
2
Q2901
Q2903,
Q2905
FAN MOTOR
DRIVE
M
DC DETECT
+VE
-VE
FAN
1
CNP2914
CNP2914
2
D5557
10
CNP2370
CN5603
6
HW5604
CN5604
8
HW5604
CN5604
10
HW5604
CN5604
12
HW5604
CN5604
3
HW5604
CN5604
5
HW5604
CN5604
1
HW5604
CN5604
9
HW5604
CN5604
:MAIN SIGNAL LINE
SA-VK960GCP
21
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