11.8. Digital Audio Amp (3CH)
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
SL-
SL+
OUT2
IC5000
C1BA00000487
AUDIO DIGITAL POWER AMP
5
19
23
1
21
22
9
10
15
14
13
11
8
16
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
8
16
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
8
16
12
7
C+
C-
MODE 1
SR -
SR+
MODE 2
SURROUND L
MUTE C, MUTE S
MOD DA
CENTER
SURROUND R
SL +
SL -
IC5500
INVERTER GATE
(CLOCK GENERATOR)
C0JBAB000902
D5501
D-TYPE FLIP-FLOP
C0JBAF000716
CP1
1A
1Y
2A
2Y
3A
3Y
4A
4Y
5A
5Y
O1
IC5501
6
8
10
9
14
14
11
3
D1
VCC
5
4
6
O1 2
1
5
4
3
2
1
CD1
SD1
MUTING
CIRCUIT
Q5601,Q5602
Q5603,Q5604
MODE 1
MODE 2
SA-BX500PP DIGITAL AUDIO AMP (3CH) BLOCK DIAGRAM
DC DET
FAN DC
Q5640,
Q5642,
Q5644
FAN MOTOR
DRIVE
DC DETECT
Q5101,Q5102
FAN DC OUT
FAN GND
3
FROM AUDIO
FROM AUDIO
TO
SPEAKER CHANNEL
FROM POWER
FROM
SYSTEM CONTROL
FROM/TO
SYSTEM CONTROL
- 30V SENSE
- 30V SENSE
+ 30V SENSE
- 30V SENSE
- 30V SENSE
+ 30V SENSE
- 30V SENSE
- 30V SENSE
+ 30V SENSE
3
15
FHOP
CN5050
CN8004
12,13
6,5
CN5050
CN8004
17
1
CN5050
CN8004
4
JW4603
CN5550
6
JW4603
CN5550
7
JW4603
CN5550
9
JW4603
CN5550
1
JW4603
CN5550
3
JW4603
CN5550
1
CN5501
2
CN5501
11
7
CN5050
CN8004
14
4
CN5050
CN8004
15
3
CN5050
CN8004
1
CN5500
H5802
16
2
CN5050
CN8004
5
13
CN5050
CN8004
D5502
: MAIN SIGNAL LINE
OSC2
OSC2
FROM
DIGITAL AUDIO
AMP (4CH)
SA-BX500PP
75
Содержание SA-BX500PP
Страница 28: ...7 2 Main Components and P C B Locations 28 SA BX500PP ...
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Страница 129: ...CN5501 Fig 3 Fan Connector 129 SA BX500PP ...
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Страница 137: ...18 Exploded Views 18 1 Cabinet Parts Location SA BX500PP 137 ...
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Страница 140: ...18 2 Packaging SA BX500PP 140 ...