Block Diagram - Power Section - Sony STR-DG810 Service Manual

Q Q
3 7 6 3 1 5 1 5 0
5-7. BLOCK DIAGRAM — POWER SECTION —
PRE DRIVER
IN 2 PRE
L-CH 8
DRIVE
R-CH
R-CH
PRE DRIVER
IN 2 PRE
SL-CH 8
DRIVE
TUNER/
SR-CH R-CH
C
AUDIO
SECTION PRE DRIVER
(Page 15)
IN 2 PRE
C-CH 8
DRIVE
IN 1 PRE
SBL-CH
6
DRIVE
T E
L 1 3 9 4 2 2 9 6 5 1 3
SW-CH
PROTECTOR 61
Q722,723,725,793,795
D1110
FRONT_RY 17
D1107
C/SB/REAR RY
21
C/SB RY
23
SW_RY
SYSTEM
CONTROL D1111
IC1010 (7/7)
SP_BRY 20
8
HP DETECT
BRIDGEABLE RY
BRIDGEABLE RY 25
POWER_RY 9
w w w
STOP 81
SUB T 94
STR-DG810
IC701
VIDEO SECTION
+VOUT2
12
DRIVE -VOUT2
POWER AMP
11
Q701-704
-45V +B
R-CH
IC601
+VOUT2
12
DRIVE -VOUT2 POWER AMP
11
Q651-654
-45V +B
IC501
R-CH
+VOUT2
12
DRIVE -VOUT2 POWER AMP
11
Q501-504
+VOUT1
2
POWER AMP
DRIVE -VOUT1
3 Q533,534
571,572
-45V +B
PROTECTOR
D721,722,732,733
+B
-B
B-SWITCH
–45V
-20V
Q691,692
TU+9V
FRONT A RY
IC691
OVERLOAD
2 7
DETECT AMP
+7V
-7V
SW RY
+A5V
FRONT B RY
HP DETECT
+1.2V
+3.3V
(STBY)
x a o
y
. i
http://www.xiaoyu163.com
RELAY
H
HP RY
DRIVER
Q790
(Page 17)
RELAY
CURRENT OVERLOAD
DRIVER
DETECT DETECT
Q710
Q705,706 D740,Q740
R-CH R-CH
RELAY
DRIVER
Q611
CURRENT OVERLOAD
DETECT DETECT
RELAY
Q655,656 D640,Q640
DRIVER
Q610
R-CH R-CH
RELAY
CURRENT OVERLOAD
DRIVER
DETECT DETECT
Q612
Q505,506 D540,Q540
CURRENT OVERLOAD
DETECT DETECT
Q Q
3 7 6
Q535,536 D580,Q580
RELAY
DRIVER
Q560
RECT
D802
-20V REG
Q801
IC1902
+9V
3 1
REG
IC801 +15V
+7V
1 3
REG
-7V
3 2
REG
IC1001
IC802 -15V
+5V
3 1
REG
IC1002
+1.2V
3 1 +3.3V
REG
IC1904
D1001
+3.3V
3 1
REG
u 1 6 3
21 21
http://www.xiaoyu163.com
2 4
8 9 9
J790
R-CH
PHONES
RY791
TB001 (1/2)
L
RY701
FRONT A
R-CH
R
TM602
L
RY710
FRONT B
R-CH
R
TB001 (2/2)
SPEAKERS
IMPEDANCE
L
USE 8-16Ω
SURROUND
RY601
R-CH
R
TM603
RY610
CENTER
SURROUND
BACK
3 1 5 1 5 0 J309 8 9
AUDIO SUB
OUT WOOFER
T901
RY560
POWER
TRANSFORMER
BRIDGEABLE RY
(MAIN)
RY801
RELAY
RELAY
DRIVER
SW
Q809
TUNER/
R2 AC
AUDIO D
R2 AC
SECTION
R810
(Page 15)
RECT
D920-923
R811
R910
F901
RECT
D805-808
F1
F2
-20V
T903
D804
RY901
POWER
RELAY
TRANSFORMER
DRIVER
(SUB)
Q901
RECT
D910-913
m
D914 D915
AC IN
DETECT
Q921
D924
SUB TRANSFORMER
c o
VOLTAGE CONTROL
Q922,923
.
STR-DG810
2
8 9 9
• Signal path
: TUNER (FM/AM)
• R-ch is omitted due to
same as L-ch.
2 4 9 8 2 9 9
F902
J911
AC OUTLET
~
AC IN