Block Diagram - Power Section - Sony DG510 - STR AV Receiver Service Manual

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