HCD-EC69i/EC79i/EC99i
HCD-EC69i/EC79i/EC99i
26
26
6-3. BLOCK DIAGRAM - PANEL, POWER SUPPLY Section -
M601
(FAN)
FAN MOTOR
DRIVE
Q601, 602
PROTECT
DETECT
Q603
MAIN POWER
ON/OFF CONTROL
Q619
AC
DETECT
Q605, 606
CD +1.5V
+9V
VBUS +5V
RELAY B+
+3.3V
REGULATOR
Q622, 624
VOLTAGE
DETECT
Q304, 305
+4V
REGULATOR
Q302, 303
D631
+9V
+9V
CD +3.3V
+3V
REGULATOR
Q801
TUNER +3V
+5V
REGULATOR
Q802
RESET
SWITCH
Q306
TUNER +5V
3.3V
D601
R-CH
D303
D003
D629, 630
D617
D628
D605
D602, 606
M
M
PROTECT
DETECT
Q618
RY001
PT001 (EC69i: US, CND/EC79i: US, CND/EC99i: US, CND)
PT002 (EC69i: UK/EC79i: UK/EC99i: UK)
PT003 (EC69i: AUS/EC79i: AUS/EC99i: AUS)
SUB POWER TRANSFORMER
PT004 (EC69i)
PT005 (EC79i/EC99i)
MAIN POWER
TRANSFORMER
VSTBY
+VH
-VH
(AC IN)
RECT
D001, 002
RECT
D607 - 610 (EC69i/EC79i)
D613 (EC99i)
RECT
D611, 612
• Abbreviation
AUS : Australian model
CND : Canadian model
X302
6MHz
X301
32.768kHz
LED DRIVE
Q301
D305
(STANDBY)
D902, 906
(iPod INDICATOR)
LCD301
LIQUID
CRYSTAL
DISPLAY
SW301, 302 (EC79i: UK, AUS/EC99i),
SW303 (EC69i/EC79i: US, CND),
SW311, 313 - 316,
SW317 (EC79i: UK, AUS/EC99i),
SW318 (EC99i), 321 - 325,
SW326 (EC79i: UK, AUS/EC99i)
(FRONT PANEL KEYS)
I-KEY1, I-KEY2,
I-KEY-WAKE-UP/VOL
SP-L
OVER LOAD DETECT
O-POWER
RELAY PROTECT
(EC79i/EC99i)
(EC69i)
PROTECT
DETECT
Q607
w w w . x i a o y u 1 6 3 . c o m
Q Q 3 7 6 3 1 5 1 5 0
9
9
2
8
9
4
2
9
8
T E L
1 3 9 4 2 2 9 6 5 1 3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299