Digital Audio Amp - Panasonic SA-BT100P Service Manual

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SA-BT100P / SA-BT100PC

17.10. Digital Audio Amp

: MAIN SIGNAL LINE
IC5000
C1BA00000487
AUDIO DIGITAL POWER AMP
IN1M
3
INPUT
IN1P
STAGE
CN503
CN5050
FRONT R
FROM AUDIO
2
3
15
MUTE
5
SGND1
OSC
1
MODE
MODE
23
19
SGND2
MUTE
IN2P
22
INPUT
STAGE
IN2M
21
Q5601,Q5602
Q5603,Q5604
CN503
CN5050
MUTE S
12
6
FROM
MODE 1
MUTING
CN503
CN5050
MUTE F
SYSTEM CONTROL
MODE 2
CIRCUIT
13
5
CN503
CN5050
MOD DA
17
1
IC5400
C1BA00000487
SW+5V
AUDIO DIGITAL POWER AMP
IN1M
3
INPUT
STAGE
FRONT L
CN503
CN5050
IN1P
2
1
17
MUTE
5
SGND1
OSC
1
MODE
MODE
23
FROM AUDIO
19
SGND2
MUTE
IN2P
22
INPUT
STAGE
IN2M
21
CN503
CN5050
CENTER
11
7
SUBWOOFER
CN503
CN5050
5
13
CN503
CN5050
FHOP
14
4
FROM/TO
SYSTEM CONTROL
CN503
CN5050
DC DET
16
2
FROM POWER
FAN DC
+ 30V SENSE
- 30V SENSE
12
7
16
8
BOOT1
RELEASE1
DRIVER
PWM
HIGH
MODULATOR
SWITCH1
CONTROL
AND
ENABLE1
HANDSHAKE
DRIVER
LOW
STABI
TEMPERATURE SENSOR
OSCILLATOR
MANAGER
CURRENT PROTECTION
VOLTAGE PROTECTION
BOOT2
ENABLE2
DRIVER
HIGH
CONTROL
SWITCH2
AND
HANDSHAKE
PWM
DRIVER
RELEASE2
MODULATOR
LOW
11
13
- 30V SENSE
+ 30V SENSE
- 30V SENSE
12
7
16
8
RELEASE1
DRIVER
PWM
HIGH
MODULATOR
SWITCH1
CONTROL
AND
ENABLE1
HANDSHAKE
DRIVER
LOW
STABI
TEMPERATURE SENSOR
OSCILLATOR
MANAGER
CURRENT PROTECTION
VOLTAGE PROTECTION
ENABLE2
DRIVER
HIGH
CONTROL
SWITCH2
AND
HANDSHAKE
PWM
DRIVER
RELEASE2
MODULATOR
LOW
13
11
- 30V SENSE
IC5500
C0JBAB000902
INVERTER GATE
(CLOCK GENERATOR)
1
2
3
4
5
6
11
10
9
8
D5501
14
X5501
X5500
D5502
SW+5V
IC5200
C1BA00000487
AUDIO DIGITAL POWER AMP
9
OUT1
FR +
10
IN1M
3
INPUT
MODULATOR
CENTER
IN1P
STAGE
2
MUTE
5
SGND1
OSC
1
15
OSCILLATOR
MANAGER
MODE
MODE 1
23
MODE
OUT2
FR-
14
19
SGND2
MUTE
IN2P
22
INPUT
STAGE
MODULATOR
IN2M
21
IC5300
C1BA00000487
BOOT1
AUDIO DIGITAL POWER AMP
9
OUT1
FL+
IN1M
10
3
INPUT
SUBWOOFER
MODULATOR
IN1P
STAGE
2
MUTE
5
SGND1
OSC
1
BOOT2
15
OSCILLATOR
MANAGER
MODE
MODE 2
23
MODE
OUT2
FL-
14
19
SGND2
MUTE
IN2P
22
INPUT
STAGE
MODULATOR
IN2M
21
IC5501
C0JBAF000716
D-TYPE FLIP-FLOP
3
CP1
O1
1
5
D1
O1 2
14
CD1
SD1
4
6
92
- 30V SENSE
+ 30V SENSE
12
7
16
8
BOOT1
9
RELEASE1
DRIVER
PWM
HIGH
SWITCH1
CONTROL
OUT1
AND
10
ENABLE1
HANDSHAKE
DRIVER
LOW
STABI
TEMPERATURE SENSOR
CURRENT PROTECTION
VOLTAGE PROTECTION
BOOT2
15
ENABLE2
DRIVER
HIGH
CONTROL
SWITCH2
OUT2
AND
14
HANDSHAKE
PWM
DRIVER
RELEASE2
LOW
C +
C -
11
13
- 30V SENSE
SW +
- 30V SENSE
+ 30V SENSE
SW -
12
7
16
8
BOOT1
9
RELEASE1
DRIVER
PWM
HIGH
SWITCH1
CONTROL
OUT1
AND
10
ENABLE1
HANDSHAKE
DRIVER
LOW
STABI
TEMPERATURE SENSOR
CURRENT PROTECTION
VOLTAGE PROTECTION
BOOT2
15
ENABLE2
DRIVER
HIGH
CONTROL
SWITCH2
OUT2
AND
14
HANDSHAKE
PWM
DRIVER
RELEASE2
LOW
11
13
- 30V SENSE
Q5101,Q5102
SA-BT100P/PC DIGITAL AUDIO AMP BLOCK DIAGRAM
SPEAKERS
FRONT L
FL +
JK5001
+
7
FL -
JK5001
-
8
FRONT R
FR +
JK5001
+
5
FR -
JK5001
-
6
CENTER
JK5001
+
3
JK5001
-
4
SUBWOOFER
JK5001
+
1
JK5001
-
2
DC DETECT
FAN
Q5641
FAN LOCK
FAN LOCK
CN5501
DETECT
3
D5645
Q5640,
Q5642,
Q5644
FAN DC OUT
CN5501
1
FAN MOTOR
M
DRIVE
FAN GND
CN5501
2

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