14
14
HCD-DF1
HCD-DF1
7-2. BLOCK DIAGRAM – PANEL/POWER SUPPLY Section –
LCD1
LIQUID
CRYSTAL
DISPLAY
LIQUID CRYSTAL
DISPLAY DRIVER
IC2
SYSTEM CONTROLLER
U1 (2/2)
RESET SWITCH
Q1
B+ SWITCH
Q5, 7
LED3
STANDBY
LED1, 2
(LCD BACK LIGHT)
2
3
XT1
4.19MHz
+4V
KEY1 – KEY11
(AC IN)
D4
D39
D36, 37
D17
D34
F2
RECT
D24 – 27
F3
RECT
D20 – 23
F1
DVD+5V
T1
POWER
TRANSFORMER
Abbrivation
: Hong Kong model
HK
: Singapore model
SP
: Australian model
AUS
D1
SW1
POWER
SW1
POWER
(EXCEPT AUS)
(AUS)
(E, HK, SP)
(EXCEPT E, HK, SP)
(AUS)
VOLTAGE
SELECTOR
SW2
+4V
+9V
DVD+9V
B+ SWITCH
Q21
+4V
REGULATOR
Q8
POWER OFF
MUTING
Q6
POWER OFF
MUTING
Q19
POWER
CONTROL
Q9
POWER
CONTROL
Q20
FAN MOTOR
DRIVE
QT2, QT4
M1
(FAN)
M
FAN MOTOR
DETECT
QT3
Q2
B+ SWITCH
Q22
Содержание CMT-DF1
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