Read Sony STR-DA777ES / STR-V777ES / VUCD-777A Service Manual online
STR-DA777ES/V777ES
11
11
3-5. BLOCK DIAGRAM POWER SECTION
+B
240V
220V
120V
F1
F2
T902
JW902
JW903
JW901
F903
F901
F902
J901
AC IN
S901
VOL SEL
CED/CH/SP
MODEL
US/CND
MODEL
US/CND
MODEL
T901
E/PX MODEL
120V
0V
120V
110V
110V
0V
D909
D908
RELAY
DRIVE
Q901
+5V
REG
1
3
IC901
AC DET
Q902
D901-904
RY901
JW802
F806
F802
D804
D805
F801
JW801
D802
D801
F805
+18V
REG
3
F804
F803
1
-18V
REG
REG
3
2
D812-815
D811
D807
+38V
-9V
+9V
-20V
+20V
IC4002
IC4001
-B
RY24V
AMP/SPTM
SECTION
+15V
REG
3
1
-15V
REG
REG
3
2
IC3306
IC3305
+15V
REG
3
1
-15V
REG
REG
3
2
IC3455
IC3205
+5V
REG
3
1
IC3105
+5V
+15V
-15V
E VOL SECTION
+15V
-15V
-15V
+15V
VOLUME
SECTION
SECTION
AUDIO A/V
SECTION
+12V
REG
1
3
IC1402
+5V
REG
1
3
IC1401
+12V
+5V
+15V
-15V
-15V
TUNER
SECTION
PHONO
SECTION
CTRLA1 SECTION
RELAY
DRIVE
Q801
RY802
RY801
SWITCH
Q802
80HM
40HM
IMPEDANCE
SELECTOR
S801
SWITCH
Q303
+5V
REG
3
1
-5V
REG
3
2
SWITCHING
Q301,309
IC314-316
+3V
REG
3
1
IC309
+3V
REG
3
1
IC308
+5V
REG
3
1
IC310
IC326-328
-15V
+15V
SWITCHING
Q302
+5V
REG
3
1
IC312
-5V
REG
3
2
IC313
SWITCHING
Q306
SWITCH
Q304
SWITCH
Q305
+5V
REG
3
1
IC311
+35V SW
Q310
DIGITAL SECTION
+5D1
+5D2
+3D1
+3D2
+5VA
-5VA
S/C VIDEO
SECTION
+5VV
-5VV
-5V
+5VB
+5V
+35V
+5VB
AC3RF
SECTION
DISPLAY
SECTION
SECTION
D POWER
V POWER
PORY48
STOP OUT
POW CONT
E
(Page 10)
E/PX/CH
MODEL
E/PX
MODEL
MY/SP/AUS/
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