Read Sony STR-DA3000ES Service Manual online
STR-DA3000ES
28
28
6-10. BLOCK DIAGRAM – POWER SUPPLY Section –
ERROR AMP
IC103
7
5
VOL-DC
VOL-SW
VOL-DC
TEMP (P)
+5V
–5VV
+12V
+5VB
+3.3VB
–12V
+9V
1
3
Q908
VOL-SW
V POWER
V+5V
THP901
1
2
3
DRIVER
Q101, 102
+6V REGULATOR
D203, Q202
V+B
DISCHARGE
Q909
+
+B
SWITCH
Q904
BUFFER
Q905, 906
D102
D006
D101
RECT
RECT
ISOLATOR
PC002
ISOLATOR
PC001
SWITCHING
Q001, 002
8
CS
4
2
GND
5 OUT
6 VCC
FB
D001
RECT
RECT
D009
RECT
RECT
D302, 303
RECT
ISOLATOR
PC004
ISOLATOR
PC004
Q003
TH001
Q201
D405
JL903
D202
RECT
RECT
D013
RECT
RECT
D021
RECT
RECT
D014, 019
RECT
D201
RECT
RECT
D401
RECT
RECT
V+12V
V–9V
A+5V
D204
RECT
RECT
D210
RECT
RECT
D301
RECT
RECT
SWITCHING
Q004
CS
2
GND
5 OUT
6 VCC
FB
SWITCHING REGULATOR
IC002
D002
RECT
RECT
TH002
8
4
Q005
D032
D015 – 018
RECT
ISOLATOR
PC003
+12V
REGULATOR
IC200
–9V
REGULATOR
IC202
–12V
REGULATOR
IC302
+5V DSP
+3.3V DSP
+5V
REGULATOR
IC910
+3.3V
REGULATOR
IC909
+9V
REGULATOR
IC905
+5V
REGULATOR
IC904
–5V
REGULATOR
IC906
2
3
4
1
5
6
+B SWITCH
Q913
+B/–B SWITCH
IC913
VOL-DC AMP
IC903
Q911
Q912
–10V
+10V
D402
ISOLATOR
PC005
ISOLATOR
PC006
SWITCHING
REGULATOR
IC003
POWER ON/OFF
RELAY DRIVER
Q401
POW RY
POW CHG
STOP
+3.3V
REGULATOR
IC911
+10V
REGULATOR
IC4001
+5V
REGULATOR
IC912
–10V
REGULATOR
IC4002
T001
POWER
TRANSFORMER
T002
POWER TRANSFORMER
T003
POWER TRANSFORMER
SWITCHING REGULATOR
IC001
SHUNT
REGULATOR
IC101
SHUNT
REGULATOR
IC301
SHUNT
REGULATOR
IC401
L010
RY001
L002
L001
+5V
REGULATOR
IC691
(Page 23)
X
(Page 21)
J
(Page 22)
Y
ISOLATOR
PC007
AC
OUTLET
~
AC IN
Click on the first or last page to see other STR-DA3000ES service manuals if exist.