HCD-EC709iP/EC909iP
HCD-EC709iP/EC909iP
16
16
5-3.
BLOCK DIAGRAM - P
ANEL, POWER SUPPL
Y
Section -
SYSTEM CONTROLLER
IC301 (3/3)
M001
(F
AN)
I-RST
54
3
O-POWER
FA
N
M
O
T
O
R
DRIVE
Q052 - 054
FAN PROTECT
DETECT
Q071 - 073
4
O-CD-ON
11
O-5V
-ON
40
I-5V/9V
-DET
MAIN POWER
ON/OFF CONTROL
Q104
AC
DETECT
Q101, 102
+9V
REGULA
T
OR
IC61
1
+9V
VM7V
DC/DC
CONVER
TER
IC151,
Q151 - 155
VBUS_5V
UNREG
+3.3V
REGULA
T
OR
Q302, 303
VOL
TAGE
DETECT
Q305, 308
+4V
REGULA
T
OR
Q304, 306
D109
+9V
+9V
CD +3.3V
RESET
SWITCH
Q309
3.3V
D308
D304, 305
D31
1
D003
D1
10
D106, 107
MM
PROTECT
DETECT
Q103
R
Y001
PT001 (EC709iP: US, CND/EC909iP: US, CND)
PT002 (EC709iP:
AUS/EC909iP:
AUS)
SUB POWER
TRANSFORMER
PT004
MAIN POWER
TRANSFORMER
V
-STBY
+B
-B
(AC IN)
RECT
D001, 002
RECT
D102 - 105
RECT
D101
I-P-MONI
36
A
EEUHY
i
DW
i
RQ
AUS :
A
XVWUDO
i
DQ
PRGHO
CND :
C
DQDG
i
DQ
PRGHO
X302
6MHz
X1
X0
92
93
X301
32.768kHz
X1A
X0A
14
13
I-RMC
9
REMOTE CONTROL
RECEIVER
IC302
LED DRIVE
Q301
D303
(LCD BACKLIGHT)
D902, 906
(iP
RG
INDICA
T
OR)
O-LED
28
LCD301
LIQUID
CR
YST
AL
DISPLA
Y
ROT
AR
Y
ENCODER
S304
VOLUME
S301 (EC909iP),
S302 (EC709iP),
S310 - 314,
S315 (EC909iP),
S320 - 324
(FRONT
P
ANEL
KEYS)
I-KEY1, I-KEY2,
I-KEY
-W
AKE-UP/VOL
37, 38, 41
COM0, COM1,
CMO2, CMO3
59 - 62
SEG0 - SEG32
63, 64, 67 - 89, 94 - 100, 1
C
FAN-CONT
PROTECT
O-POWER
I-HOLD
42
+9V
DETECT
Q051
D
111
(EC909iP)
D
RF
k
IRU
iP
RG
(Page 15)