D-Amp Block Diagram - Panasonic SA-AKX72PH Service Manual

14.2. D-Amp Block Diagram

FROM
SMPS
+/-VCC = 35V, DIGITAL AMP IC
(NXP)
IC2010
17V 12V
+18V
Regulator
(11.5V ~ 19V)
(403mA)
+12V
1A Max
BACKUP
+3.3V
5.2V (1080mA)
IC2011
Regulator
+5V
DC-DC
(85mA )
MCU SYSTEM (50mA)
280mA
KEY LINE (15mA) Reg 3
FL DC-DC
REMOTE IR (15mA)
CONVERTER
EEPROM (5mA)
Subwoofer
AMP (15mA)
Headphone
Amp (15mA)
Bi-AMP filter
(15mA)
245mA
Reg4
200mA 9.9V 7.5V CD module motor
+7.5V
(200mA)
discrete
P =480mW
D
470uF
60mA
MIC IC (15mA)
68
1000uF
MIC MIXING AMP (15mA)
ASP IC (30mA)
CD OPU
JUPITAR MODULE (500mA + 40mA)
dimmer 4.5V
LEDs 10pcs
switch 170mA
IC2009
Regulator Silicon TUNER (23mA)
(145mA)
+3.3V LDO
JUPITER / USB MODULE (50mA)
CD +3.3V (75mA)
FL +3.3V (20mA)
FL1 / FL2 (250mA)
-Vp (30mA)
86