Block Diagram - Power Supply Section - Sony STR-DA3200ES Service Manual

6-10. BLOCK DIAGRAM – POWER SUPPLY Section –
AMP B+
AMP B–
LIMITTER
PRE DRIVE B– DETECT
Q1901 – 1903
RELAY DRIVE
Q1401
TEMP
18
(Page 32) PROTECT
LIMITTER
13
PROTECT
BUS SWITCH +5V
(Page 36)
H +1.8V
REGULATOR
IC3516, 3517, 3519
+2.5V
IC3516 +2.5V REGULATOR
IC3515
+1.8V
IC3526
REGULATOR
D +1.8V
IC3524
+1.8V
IC3526
REGULATOR
P +1.8V
IC3525
+2.5V
IC3519
REGULATOR
D +2.5V
IC3520
+2.5V
IC3519
REGULATOR
A +2.5V
IC3521
+1.2V
IC3519
REGULATOR
+1.2V
IC3522
+3.3V
XM +3.3V REGULATOR
IC3801
5
V-POW
(Page 30)
STR-DA3200ES/DG1000
RY1402
MIC +3.3V
LIMITTER +5V
A +9V
+3.3V
REGULATOR
A +3.3V
IC6308
A +5V
+5V
REGULATOR
IC3511
A +15V
H +3.3V
+1.8V +3.3V
REGULATOR
IC3510 IC3513
+3.3V
A –5V
+3.3V
REGULATOR
IC3514
IC3526
D +3.3V
A –15V
+3.3V
REGULATOR
(DA3200ES: AEP, UK)
IC3523
IC3526
A +3.3V
TU +3.3V
+3.3V
REGULATOR
IC3527
TU +9V
D +2.5V
+5.6V
XM +5.6V
REGULATOR
D +3.3V
IC3807
H +6V
XM +5V
+5V
REGULATOR
IC3806
STBY +3.3V
STBY +5V
LIMITTER TEMPERETURE
DETECT SENSOR
Q1910, 1911 IC1903
LIMITTER
IC1902
LIMITTER TEMPERETURE
DETECT SENSOR
Q1912, 1913 IC1905
+3.3V
REGULATOR
IC702
+5V
REGULATOR
IC1904
+9V
B+ SWITCH
REGULATOR
Q1406, 1408
IC1408
+5V
REGULATOR
IC1406
REGULATOR
IC1401
–5V
B– SWITCH
REGULATOR
Q1404
IC1407
REGULATOR
IC1402
+3.3V
REGULATOR
IC2050
RY +24V
+9V +12V
REGULATOR REGULATOR
IC2052 IC1404
+2.5V
REGULATOR
Q5211
+3.3V
REGULATOR
IC1405
+6.5V
REGULATOR
IC1403
REGULATOR
CONTROL
Q1409
Q1410
+3.3V
REGULATOR
IC2053
+5V
REGULATOR
IC51
39 39
T01
MAIN POWER
TRANSFORMER
RECT
D1411
RECT
D1401
+15V
F1403
RECT
–15V
D1405 – 1408
F1404
(DA3200ES: US, Canadian, AEP/DG1000)
F1405
RECT
D1409
RELAY DRIVE
POW-RY
Q52
(Page 32) 10
AC DETECT
STOP
Q51
D56, 57
B+ SWITCH RECT
Q54 D52 – 55
D51
POWER
SWITCHING
Q55, 56
D61
TU +12V
STR-DA3200ES/DG1000
(DA3200ES: AEP)
J02
AC OUTLET
F02
F01
(DA3200ES: US, Canadian/DG1000)
J02
AC OUTLET
RY01
17
POWER KEY
(Page 38)
J01
AC IN
T02
SUB POWER
TRANSFORMER