Block Diagram - Power Amp Supply Section - Sony STR-DA3100ES Service Manual

6-7. BLOCK DIAGRAM – POWER AMP, POWER SUPPLY SECTION –
IC501
POWER AMP
FL 6 INPUT +VE OUT 2
NF 5
-VE OUT 3
RV501
BIAS
ALIGNMENT
IC701
POWER AMP
SL 6 2
INPUT +VE OUT
5
NF
N
(Page 18)
-VE OUT 3
RV701
ALIGNMENT
IC651
POWER AMP
CENTER 6 INPUT +VE OUT 2
NF 5
3
-VE OUT
RV652
BIAS
ALIGNMENT
IC601
POWER AMP
12
+VE OUT
9
NF
SBL 8 INPUT 11
-VE OUT
RV651
BIAS
ALIGNMENT
HP-RY
FRA-RY
SURR-RY
C-RY
C SLB-RY
FRB-RY
(Page 15)
D.POWER
V.POWER
PROTECTOR
HP SW
K
PW RY
(Page 16)
STOP
STR-DA3100ES
IC502
+B
3
BOOSTER
1 4
2 5
RY504
Q599
RV501 RELAY
DRIVER
4 1
CURRENT
2
PROTECT
BOOSTER
5
3
RY503
Q508,509
-B
IC503
Q598
RELAY
DRIVER
IC702
Q621
+B RELAY
3
BOOSTER
DRIVER
1 4
2 5
RY702
Q707
RV701
RELAY
4 1 DRIVER
CURRENT
2
PROTECT
BOOSTER
5
3
Q708,709
-B
BIAS IC703
IC654
3 +B
BOOSTER
1 4
2 5
Q611
RV652
RELAY
DRIVER
4 1
CURRENT
2
PROTECT
5 BOOSTER
3
Q651,652
-B
IC655
IC652
3 +B
BOOSTER
1
4
2 5
Q661
RV651
RELAY
4 1 DRIVER
CURRENT
2
PROTECT
5 BOOSTER
Q710
3
Q658,659
LEVEL
-B
D548 DETECT
IC653
Q547-549
Q660
CURRENT
LEVEL
PROTECT
DETECT
DRIVE
Q640
D544
LEVEL
D545
DETECT
D541
D542
D543
D540
-15VA
R-CH
J1001
Q2991, 2992
PHONES
B+
V+9V
SWITCH
TM501
Q2901, 2902
AD/DA
B+
L
FRONT
+5V
SWITCH
A
R-CH R
L
FRONT
RY661
TUN+12V
B
R-CH
R
TM701 (1/2)
TUN+3.3V
L
SURROUND
R-CH
R
D+3.3V
SPEAKERS DEDODE
+3.3V
Q2911, 2912
DSW B+
+3.3V SWITCH
TM601
RY601
CENTER
D+5V
V+5
V-5V
Q2972
TM701 (2/2)
RY651
L
SURR BACK
R-CH
R
IC635
IC2961
LIMITTER
Q635 +3.3VB 3
REGULATOR
LIMITTER
+5VB
DETECT
Q591,593
+BV +B
REGULATOR
Q592
-BV REGULATOR -B
21 21
• Signal Path
IC313
-15V : AUDIO (ANALOG)
3 2
REGULATOR
• R-ch is omitted due to same as L-ch.
IC312
+15V
+15VA
3 1
REGULATOR
IC2991
+9V
3 1
REGULATOR
IC801
IC2901
+5V TRG+12V
3 1 IC310 REGULATOR
REGULATOR
IC802
+12V
RY+12V 3 1
REGULATOR
3
IC2061
REGULATOR
+12V
3 1
RECT
REGULATOR IC308
D803-806
+15V
+15V 3 1
IC2062 REGULATOR
+3.3V IC309
3 1
REGULATOR
-15V
-15V 3 2
REGULATOR
RECT
IC2931
Q2931
D807
+3.3V
B+
3 1
REGULATOR SWITCH
IC2911
+3.3V
4 2
REGULATOR
Q801
Q2942
+42V
+42V
REGULATOR
IC2941
Q2941
+5V B+
3 1
SWITCH
REGULATOR
IC2971
Q2971
B+ +5V
3 1
SWITCH REGULATOR
(Canadian)
IC2981
B- -5V
3 2
RECT
SWITCH REGULATOR
D801,802
Q2981, 2982
+B
IMPEDANCE
SELECTOR
-B
IC2951 D908
+3.3V +5V +9V
1 3 1
REGULATOR REGULATOR
Q902-904
D901-904
Q2801
AC
DETECT
STR-DA3100ES
T1
MAIN POWER
TRANSFORMER
D822
+12V
1
D824
+12V
1
F805
F806
F1
F2
(US)
D812
D813
F812
F811
F901
S902
Q901
RELAY
DRIVE
RY901
J901
AC
OUTLET
T902
SUB POWER
RECT
TRANSFORMER
D906
CNP904
~ AC IN
D907