STR-DG810
21
21
STR-DG810
5-7. BLOCK DIAGRAM — POWER SECTION —
POWER AMP
Q701-704
CURRENT
DETECT
Q705,706
RY701
PRE DRIVER
IC701
R
L
AUDIO
OUT
SUB
WOOFER
CENTER
SURROUND
BACK
SURROUND
R-CH
R
L
R-CH
R
L
R-CH
L-CH
R-CH
SL-CH
C-CH
R-CH
SR-CH
R-CH
RY901
D804
D1001
+3.3V
F1
F2
-20V
+3.3V
(STBY)
-7V
+7V
TU+9V
-20V
RECT
D910-913
D914
D924
D915
(SUB)
D1107
D1110
OVERLOAD
DETECT
D740,Q740
POWER AMP
Q501-504
CURRENT
DETECT
Q505,506
-20V REG
Q801
B-SWITCH
Q691,692
RELAY
DRIVER
Q901
AC IN
DETECT
Q921
SUB TRANSFORMER
VOLTAGE CONTROL
Q922,923
PRE DRIVER
IC501
OVERLOAD
DETECT
D540,Q540
POWER AMP
Q651-654
CURRENT
DETECT
Q655,656
PRE DRIVER
IC601
OVERLOAD
DETECT
D640,Q640
RY601
RY560
BRIDGEABLE RY
PROTECTOR
D721,722,732,733
Q722,723,725,793,795
D1111
IC691
–45V
-B
+A5V
IC1001
IC1904
+1.2V
IC1002
IC1902
-15V
+15V
IC801
IC802
+B
R-CH
R-CH
R-CH
R-CH
R-CH
R-CH
RECT
D802
RECT
D920-923
RECT
D805-808
T901
POWER
TRANSFORMER
TB001 (2/2)
TB001 (1/2)
TM602
TM603
J309
(MAIN)
FRONT A
FRONT B
AC OUTLET
J911
RY791
PHONES
J790
R-CH
FRINT B RY
FRONT A RY
SW RY
C/SB/REAR RY
HP DETECT
FRONT A RY
HP DETECT
FRONT B RY
BRIDGEABLE RY
SW RY
C/SB/REAR RY
SW-CH
-45V
+B
SBL-CH
POWER AMP
Q533,534
571,572
CURRENT
DETECT
Q535,536
OVERLOAD
DETECT
D580,Q580
-45V
+B
-45V
+B
R810
R2 AC
R2 AC
HP RY
R811
R910
T903
POWER
TRANSFORMER
AC IN
~
F901
F902
SPEAKERS
IMPEDANCE
USE 8-16
Ω
RELAY
DRIVER
Q610
RY610
RELAY
DRIVER
Q612
RELAY
DRIVER
Q560
RY801
RELAY
DRIVER
Q809
RELAY
DRIVER
Q710
RY710
RELAY
DRIVER
Q611
RELAY
DRIVER
Q790
RELAY
SW
• Signal path
: TUNER (FM/AM)
• R-ch is omitted due to
same as L-ch.
w w w . x i a o y u 1 6 3 . c o m
Q Q 3 7 6 3 1 5 1 5 0
9
9
2
8
9
4
2
9
8
T E L
1 3 9 4 2 2 9 6 5 1 3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299