WX-7700MDX
28
28
CDM ON
6V
CD ON +5V
CD SECTION
B+
MD-ON, MDM-ON
MD-ON
MDM-ON
ILLON
PULL UP +5V,
D/D +5V
µ
COM +5V,
BACK UP +5V
D404
D411, 413
D405
D406
B+ 3.3V
5V
LO +12V
MD BACK UP
+5V
AUDIO +8V
AUDIO +10V
TUNER +5V
TUNER +8.5V
TUNER
BACK UP +5V
P ON
LED B+
ILL ON
LED B+
SUB ON
LED B+
ILL ON
LCD B+
D801-803,
LSW805-812
(FOR ILLUMINATION)
LSW801, 803
LSW804, 813
(FOR ILLUMINATION)
OSC
SWITCH
Q403
POWER CONTROL
IC400
TH401
TH400
D413
D414
D412
B+
BATT B+
AMP REM
ANT REM
6
5
VCC
ILLIN
ACCIN
ILL
CNP400 (2/2)
(POWER)
15
ACC
7
16
ANTENNA REMOTE
B+ SWITCH
Q313-2, 314-2
DIMMER DETECT
SWITCH
Q308
ACCESSORY CHECK
Q304
AMP REMOTE
B+ SWITCH
Q313-1, 314-1
DC/DC
CONVERTER
Q450, 451
B+ SWITCH
Q672, 673
B+ SWITCH
Q674, 675
B+ SWITCH
Q402, 403
B+ SWITCH
Q413, 414
REGULATOR
Q406, 407
+5V REGULATOR
Q373
REGULATOR
CONTROL SWITCH
Q372
+6V REGULATOR
Q375, 376
REGULATOR
CONTROL SWITCH
Q374
+12V REGULATOR
Q416
REGULATOR
CONTROL SWITCH
Q415
REGULATOR
CONTROL SWITCH
Q409, 410
BUS ON WAKE UP
SWITCH
Q402
B+ SWITCH
Q676
+5V REGULATOR
Q2
POWER CONTROL
IC401
1
2
SWITCHING
REGULATOR
Q408
SWITCHING
REGULATOR
Q405
B+ SWITCH
Q400
D820
Q820
DSP (IC500) B+
(FOR ANALOG)
DSP (IC500) B+
(FOR DIGITAL)
MD SECTION
B+
D400
D820, Q820
MD DISC IN
DETECT SENSOR
BUSON
TUNER
SECTION B+
D821-826
(FOR ILLUMINATION)
B+ SWITCH
Q417
B+ SWITCH
Q500
+5V B+
REGULATOR
Q310, 311
B+
B–
TO
LINE AMP
D422
5-5.
BLOCK DIAGRAM – POWER SUPPLY Section –