STR-DG510
20
20
STR-DG510
5-6. BLOCK DIAGRAM — POWER SECTION —
(Page 15)
8
12
11
DRIVE
POWER AMP
Q501-504
CURRENT
DETECT
Q505,506
RY501
RY601
PRE DRIVER
IC501
IN 2
+VOUT2
-VOUT2
R
L
L
AUDIO
OUT
SUB
WOOFER
CENTER
SURROUND
R
R-CH
R-CH
L-CH
R-CH
SL-CH
C-CH
R-CH
SR-CH
R-CH
TUNER/
AUDIO
SECTION
C
RY901
D802
F1
F2
-20V
+3.3V
(STBY)
+1.8V
+5V
-7V
+7V
TU+9V
-20V
RECT
D910-913
D914
D915
(SUB)
D1109
D1107
D1110
OVERLOAD
DETECT
D502,Q507
8
61
12
11
DRIVE
POWER AMP
Q701-704
CURRENT
DETECT
Q705,706
-20V REG
Q801
B-SWITCH
Q851,852
RELAY
DRIVER
Q901
AC IN
DETECT
Q911
PRE DRIVER
IC701
IN 2
+VOUT2
-VOUT2
OVERLOAD
DETECT
D702,Q707
8
12
11
DRIVE
POWER AMP
Q601-604
CURRENT
DETECT
Q605,606
PRE DRIVER
IC601
IN 2
+VOUT2
-VOUT2
OVERLOAD
DETECT
D602,Q607
RY701
RY702
67
PROTECTOR
D881-884
Q881-883
58
48
66
D1118
+9V
(STBY)
OVERLOAD
DETECT AMP
7
2
IC850
–50V
-B
+3.3V/+1.8V
REG
4
5
+3.3V
2
IC1901
+A5V
+5V
REG
1
3
IC1001
+3.3V
REG
1
3
IC1904
+9V
REG
1
3
IC1902
-16V
+16V
+7V
REG
3
1
IC821
-7V
REG
2
3
IC822
+5V
REG
1
3
IC1031
+B
R-CH
R-CH
R-CH
R-CH
R-CH
R-CH
RECT
D811
RECT
D920-923
RECT
D804-807
T901
POWER
TRANSFORMER
TM603 (2/2)
TM603 (1/2)
TM607
J403
(MAIN)
FRONT A
RY551
R
L
R-CH
TM601
FRONT B
RY502
PHONES
J790
R-CH
RELAY
DRIVER
Q509
FRT B RY
FRT A RY
HP RY
C/SUR RY
SW RY
HP DET
FRONT_A_RY
FRONT_B_RY
PROTECTOR
HP DETECT
STOP
55
HP_RY 62
POWER_RY
70
SW_RY
69
C/REAR/SB_RY
FRT A RY
FRT B RY
HP DETECT
HP RY
SW RY
C/SUR RY
SYSTEM
CONTROL
IC1101 (6/6)
PRE
DRIVE
PRE
DRIVE
SW-CH
-50V +BV
-50V +BV
-50V +BV
PRE
DRIVE
R810
R812
R910
T902
POWER
TRANSFORMER
AC IN
~
F901
SPEAKERS
IMPEDANCE
USE 8-16
Ω
RELAY
DRIVER
Q708
RELAY
DRIVER
Q560
RELAY
DRIVER
Q608
RELAY
DRIVER
Q508
• Signal path
: TUNER (FM/AM)
• R-ch is omitted due to
same as L-ch.