75
15.3. Power Amplifier
SA-AKX10PH/PN POWER AMPLIFIER BLOCK DIAGRAM
POWER AMPLIFIER
C1BA00000497
IC5900
12
1
CN5902
CN2711
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-
FL IN
8
5
CN5902
CN2711
MUTE F
3
10
CN5902
CN2711
MOD DA
4
9
CN5902
CN2711
DC DET
10
3
CN5902
CN2711
FR IN
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
Q5906,Q5907
DC DETECT
Q5902,Q5903,Q5905
MUTING
CIRCUIT
QR5900,QR5901
SWITCH
Q5901
SWITCH
TH5900
+
-
3
JK5901
4
JK5901
+
-
FRONT (RIGHT)
FRONT (LEFT)
1
JK5901
2
JK5901
: AUDIO OUTPUT SIGNAL LINE
7
6
CN5902
CN2711
FHOP1
FROM AUDIO
FROM/TO
SERVO/SYSTEM CONTROL
D-AMP P.C.B.
MAIN P.C.B.
Summary of Contents for SA-AKX10PH
Page 14: ...14 5 2 Remote Control Key Button Operation ...
Page 15: ...15 5 3 Media Information ...
Page 25: ...25 7 2 3 D Amp P C B Fig 3 D Amp P C B D Amp IC IC5900 ...
Page 31: ...31 9 2 Main Components and P C B Locations ...
Page 57: ...57 Step 5 Detach 16P FPC at the connector CN7001 on CD Servo P C B ...
Page 78: ...78 ...
Page 80: ...80 ...
Page 104: ...104 ...