Block Diagram - Key Control/Power Supply Section - Sony HCD-M80 Service Manual

HCD-M80
6-5. BLOCK DIAGRAM – KEY CONTROL/POWER SUPPLY Section –
REMOTE CONTROL
RECEIVER
IC502
S503
S513, 514, 517 – 521,
S523 – 528, 530, 531,
S587, 590, 593, 594
D622
STANDBY
SWITCH
Q602, 603
D514
(STANDBY)
LED DRIVE
Q506
D505
LED DRIVE
CD SYNCHRO
Q505
D504
LED DRIVE
TAPE
Q504
D503
LED DRIVE
DSG
Q503
D502
LED DRIVE
TUNER
Q502
D501
LED DRIVE
CD
Q501
X601
32.768KHz
X602
16MHz
4 SIRCS LCD DATA 5
LIQUID CRYSTAL
LCD SCK 7
DISPLAY
LCD STB 6
+3.3V
LCD502
LCD RS 3
LCD B+
74 POWER KEY
U-COM +3.3V
AC-CUT 20
RESET SIGNAL
RESET SWITCH
RESET 12 GENERATOR
Q619
IC602
RESET SWITCH
Q618
BACK LIGHT 51
42 LED1
SYSTEM CONTROLLER
IC601 (4/4)
47 LED5
TUNER ON 40
46 LED4
45 LED3
49 LED7
CD-POWER 65
48 LED6
11 XCOUT
10 XCIN
13 XOUT
STBY-RELAY 82
15 XIN
BACKUP +4V
D500
B+ SWITCH
REGULATOR
Q507, 508
D604
B+ SWITCH
COM +8V
Q601
LED B+
B+ SWITCH
D506 – 509
REGULATOR
(LCD BACK LIGHT) Q635, 637
+5V
+5V REGULATOR
IC605
+3.3V
TC +3.3V REGULATOR
Q309
REGULATOR
TU +9.5V
TUNER ON
SWITCH
Q303, 304
+4.5V
CD +4.5V REGULATOR
Q201
+2.5V
+12V
CD +2.5V REGULATOR
REGULATOR
MIC AMP B+
IC201
+3.3V
CD +3.3V REGULATOR
IC202
+5V
CD +5V REGULATOR REGULATOR
IC606
CD ON
SWITCH
Q307, 308
D919
M+7V REGULATOR
20 20
D920, 922
T901
SUB POWER
TRANSFORMER
+4V
RECT
D910 – 913
IC904
D921
COM +12V
+8V
IC304
+14V
+9.5V +12V
REGULATOR
Q301 Q355
+12V
IC305
+9.5V
Q305
T902
MAIN POWER
TRANSFORMER
RECT
D906 – 909
+8V
RECT
D914 – 917
IC901
AMP +22.5V
RECT
D902 – 905
AMP – 22.5V
RY901
POWER ON/OFF
RELAY DRIVE
Q902
(Thai)
VOLTAGE
SELECTOR
S901
(Singapore, Saudi Arabia)
(AC IN)