90
15.4. Power Amplifier
SA-AKX90PH/PR POWER AMPLIFIER (1/2) BLOCK DIAGRAM
TO POWER AMPLIFIER
SECTION (2/2)
P1
POWER AMPLIFIER
C1BA00000497
IC5900
HEX INVERTER
C0JBAB000902
IC5500
12
1
CN5902
CN2012
OUT1
10
BOOT1
VDDP1
VSSP1
VSSP2
VDDP2
9
8
13
11
16
VDDA1
VDDA2
VSSA1
VSSA2
4
6
20
18
VSSD
17
2
IN1+
1
OSC
INPUT
STAGE
PWM
MODULATOR
RELEASE1
ENABLE1
ENABLE2
SWITCH1
MUTE
DRIVER
HIGH
DRIVER
LOW
CONTROL
&
HANDSHAKE
OUT2
14
BOOT2
15
PROT
7
21
IN2-
SURROUND L
8
5
CN5902
CN2012
MUTE F
3
10
CN5902
CN2012
MOD DA
5
13
CN5050
CN2011
MUTE F
FRONT L HIGH
FRONT L LOW
FRONT R LOW
FRONT R HIGH
SUBWOOFER
1
17
CN5050
CN2011
MOD DA
4
9
CN5902
CN2012
1
CN2010
2
CN2010
DC DET
2
16
CN5050
CN2011
DC DET
-
+
10
3
CN5902
CN2012
SURROUND R
INPUT
STAGE
23
MODE
MODE
12
STABI
STABI
PWM
MODULATOR
OSCILLATOR
MANAGER
TEMP. SENSOR
CURRENT PROTECTION
VOLT. PROTECTION
RELEASE2
SWITCH2
MUTE
DRIVER
HIGH
DRIVER
LOW
CONTROL
&
HANDSHAKE
-30V
5V
5V
30V
-30V
-30V
-30V
30V
-30V
-30V
30V
Q5906,Q5907
DC DETECT
Q5101,Q5102
DC DETECT
Q5902,Q5903,Q5905
Q2027,Q2028,Q2029
Q2031,Q2032,Q2033
Q2034,Q2035
MUTING
CIRCUIT
Q5601,Q5603,Q5604
MUTING
CIRCUIT
QR5900,QR5901
X5500,X5501
D5501,D5502
INVERTER
Q5901
SWITCH
TH5900
POWER AMPLIFIER
C1BA00000497
IC5400
OUT1
10
BOOT1
VDDP1
VSSP1
VSSP2
VDDP2
9
8
13
11
16
VDDA1
VDDA2
VSSA1
VSSA2
4
6
20
18
VSSD
17
2
IN1+
1
OSC
INPUT
STAGE
PWM
MODULATOR
RELEASE1
ENABLE1
ENABLE2
SWITCH1
MUTE
DRIVER
HIGH
DRIVER
LOW
CONTROL
&
HANDSHAKE
OUT2
14
BOOT2
15
PROT
7
21
IN2-
INPUT
STAGE
23
MODE
MODE
12
STABI
STABI
PWM
MODULATOR
OSCILLATOR
MANAGER
TEMP. SENSOR
CURRENT PROTECTION
VOLT. PROTECTION
RELEASE2
SWITCH2
MUTE
DRIVER
HIGH
DRIVER
LOW
CONTROL
&
HANDSHAKE
-30V
30V
-30V
-30V
30V
-30V
-30V
30V
+
-
3
JK5901
4
JK5901
+
-
SURROUND (RIGHT)
SURROUND (LEFT)
1
JK5901
2
JK5901
+
-
2
JK5001
1
JK5001
+
-
FRONT (LEFT)
HIGH
FRONT (LEFT)
LOW
4
JK5001
3
JK5001
: AUDIO OUTPUT SIGNAL LINE
7
6
CN5902
CN2012
FHOP1
4
14
CN5050
CN2011
FHOP
OSC
MODE
FROM AUDIO
FROM/TO
SERVO/SYSTEM CONTROL
FROM AUDIO
SURROUND D-AMP P.C.B.
MAIN P.C.B.
MUTE F
MOD DA
F HOP
DC DET AMP
FAN
FAN
CIRCUIT
FAN
1
CN2009
2
CN2009
-
+
13
5
CN5050
CN2011
9
9
CN5050
CN2011
15
3
CN5050
CN2011
11
7
CN5050
CN2011
17
1
CN5050
CN2011
3
15
CN5050
CN2011
FAN
DC DET
OSC
MODE
FAN
FAN
CLOCK
GENERATOR
CIRCUIT
D-AMP P.C.B.
Содержание SA-AKX90PH
Страница 13: ...13 5 Location of Controls and Components 5 1 Main Unit Key Button Operation ...
Страница 14: ...14 5 2 Remote Control Key Button Operation ...
Страница 15: ...15 5 3 Media Information ...
Страница 20: ...20 6 4 Self Diagnostic Mode ...
Страница 24: ...24 7 2 2 Main P C B Fig 2 Main P C B Connector CN2014 Voltage Regulator IC IC2010 DC DC Converter IC IC2011 ...
Страница 26: ...26 7 2 4 Surround D Amp P C B Fig 4 Surround D Amp P C B D Amp IC IC5900 ...
Страница 32: ...32 9 2 Main Components and P C B Locations ...
Страница 84: ...84 ...
Страница 94: ...94 ...
Страница 96: ...96 ...
Страница 124: ...124 ...
Страница 129: ...129 21 1 2 Packaging ...
Страница 130: ...130 ...