HCD-M80
20
20
6-5.
BLOCK DIAGRAM – KEY CONTROL/POWER SUPPLY Section –
LIQUID CRYSTAL
DISPLAY
LCD502
D500
D604
D514
(STANDBY)
LED DRIVE
Q505
LED DRIVE
Q503
LED DRIVE
Q502
TUNER
D502
LED DRIVE
Q501
CD
D501
LED DRIVE
Q506
RECT
D906 – 909
RECT
D902 – 905
AMP +22.5V
AMP – 22.5V
D921
RECT
D910 – 913
D506 – 509
(LCD BACK LIGHT)
TU +9.5V
COM +8V
COM +12V
U-COM +3.3V
+3.3V
LCD B+
T902
MAIN POWER
TRANSFORMER
T901
SUB POWER
TRANSFORMER
RY901
(Singapore, Saudi Arabia)
(Thai)
(AC IN)
VOLTAGE
SELECTOR
S901
4V
S513, 514, 517 – 521,
S523 – 528, 530, 531,
S587, 590, 593, 594
X601
32.768KHz
X602
16MHz
POWER ON/OFF
RELAY DRIVE
Q902
+5V
D920, 922
D622
RESET SWITCH
Q618
B+ SWITCH
Q635, 637
LED B+
+14V
TC +3.3V
+3.3V
REGULATOR
Q309
M+7V
RECT
D914 – 917
S503
B+ SWITCH
Q601
B+ SWITCH
Q507, 508
LED DRIVE
Q504
TAPE
D504
CD SYNCHRO
D505
DSG
D503
D919
STANDBY
SWITCH
Q602, 603
CD +5V
+12V
REGULATOR
Q355
+12V
MIC AMP B+
+9.5V
REGULATOR
Q305
CD ON
SWITCH
Q307, 308
CD +3.3V
CD +2.5V
CD +4.5V
+4.5V
REGULATOR
Q201
+9.5V
REGULATOR
Q301
RESET SWITCH
Q619
TUNER ON
SWITCH
Q303, 304
Содержание HCD-M80
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