11.7. Digital Audio Amp (4CH)
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
SBL-
SBL+
OUT2
IC5400
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
FL-
FL+
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
SBR+
SBR-
MODE 1
FR -
FR+
MODE 2
SURROUND BACK L
FRONT L
MUTE F, MUTE SB
MOD DA
SURROUND BACK R
FRONT R
SBL +
SBL -
FL +
FL -
IC5500
INVERTER GATE
(CLOCK GENERATOR)
C0JBAB000902
X5500
X5501
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 (4CH) BLOCK DIAGRAM
DC DET
FAN DC
Q5640,
Q5642,
Q5644
FAN MOTOR
DRIVE
M
D5645
DC DETECT
Q5101,Q5102
Q5641
FAN LOCK
DETECT
QR5991
FAN LOCK
DETECT
FAN LOCK
FAN DC OUT
FAN GND
3
FAN
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
- 30V SENSE
- 30V SENSE
+ 30V SENSE
3
15
FHOP
CN5050
CN8003
12,13
6,5
CN5050
CN8003
17
1
CN5050
CN8003
1
17
CN5050
CN8003
4
JW4602
CN5550
6
JW4602
CN5550
7
JW4602
CN5550
9
JW4602
CN5550
1
JW4602
CN5550
3
JW4602
CN5550
10
JW4602
CN5550
12
JW4602
CN5550
1
CN5501
3
CN5501
2
CN5501
JW5993
JW5993
JW5993
1
CN5991
3
CN5991
2
CN5991
11
7
CN5050
CN8003
14
4
CN5050
CN8003
1
CN5500
H5801
16
2
CN5050
CN8003
15
3
CN5050
CN8003
5
13
CN5050
CN8003
D5502
: MAIN SIGNAL LINE
OSC2
OSC2
TO
DIGITAL AUDIO
AMP (3CH)
SA-BX500PP
74
Summary of Contents for SA-BX500PP
Page 28: ...7 2 Main Components and P C B Locations 28 SA BX500PP ...
Page 64: ...SA BX500PP 64 ...
Page 82: ...82 SA BX500PP ...
Page 114: ...SA BX500PP 114 ...
Page 124: ...SA BX500PP 124 ...
Page 129: ...CN5501 Fig 3 Fan Connector 129 SA BX500PP ...
Page 134: ...SA BX500PP 134 ...
Page 136: ...136 SA BX500PP ...
Page 137: ...18 Exploded Views 18 1 Cabinet Parts Location SA BX500PP 137 ...
Page 138: ...SA BX500PP 138 ...
Page 139: ...SA BX500PP 139 ...
Page 140: ...18 2 Packaging SA BX500PP 140 ...