Block Diagram - Panel, Power Supply Section - Sony HCD-EC69i Service Manual

HCD-EC69i/EC79i/EC99i
Ver. 1.1
Q Q
3 7 6 3 1 5 1 5 0
6-3.

BLOCK DIAGRAM - PANEL, POWER SUPPLY Section -

14 X1A
X301
32.768kHz
13 X0A
92 X1
X302
6MHz
93 X0
COM0, COM1,
CMO2, CMO3
LCD301
LIQUID
CRYSTAL
DISPLAY
SEG0 - SEG32
D305 LED DRIVE
28 O-LED
T E
(STANDBY) L Q301 1 3 9 4 2 2 9 6 5 1 3
REMOTE CONTROL
I-RMC
RECEIVER 9
IC302
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
ROTARY
VOLUME ENCODER
S301
w w w
HCD-EC69i/EC79i/EC99i
SP-L
C
(Page 25)
OVER LOAD DETECT
RELAY PROTECT
O-POWER
CD +1.5V
CD +3.3V
TUNER +3V
TUNER +5V
+9V
O-CD-ON 4
I-5V/9V-DET 40
VBUS +5V
SYSTEM CONTROLLER
IC301 (3/3)
D902, 906
(iPod INDICATOR)
RELAY B+
5V-ON 11
SYSTEM +3.3V
I-HOLD 42
I-RST 54
I-P-MONI 36
O-POWER 3
x a o
y
. i
http://www.xiaoyu163.com
D601
R-CH FAN MOTOR
PROTECT
+9V DETECT
Q607
D605
D628
PROTECT
DETECT +9V
Q618
+1.5V
REGULATOR
IC201
D631
+3.3V
REGULATOR
Q622, 624
+3V D617
REGULATOR
Q801
+5V
REGULATOR
Q802
+9V
REGULATOR
IC601
Q Q
3 7 6
DC/DC
CONVERTER
IC701,
Q706 - 710
D303
+4V
REGULATOR
Q302, 303
VOLTAGE
DETECT
Q304, 305
RESET
SWITCH
Q306
u 1 6 3
.
26 26
2 4
8 9 9
DRIVE
Q601, 602
D602, 606
AC
DETECT
Q605, 606
PROTECT
M601
M M
DETECT
(FAN)
Q603
PT005 (EC79i/EC99i)
RECT
+VH
D607 - 610 (EC69i/EC79i)
-VH
D613 (EC99i)
3 1 5 1 5 0 8 9 2
(EC69i)
D629, 630
RECT
D611, 612
(EC79i/EC99i)
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
RECT
VSTBY
D001, 002
D003
m
c o
2
8 9 9
• Abbreviation
AUS : Australian model
CND : Canadian model
PT004 (EC69i)
MAIN POWER
TRANSFORMER
4 9 8 2 9 9
RY001
(AC IN)
MAIN POWER
ON/OFF CONTROL
Q619