Block Diagram - Power Key Section - Sony STR-DH510 Service Manual

4-6. BLOCK DIAGRAM – POWER KEY Section –
PRE DRIVER
IN 1
FL-CH
6
PRE
DRIVE
IN 2
FR-CH 8
PRE DRIVER
IN 1
SL-CH 6
PRE
DRIVE
IN 2
SR-CH 8
TUNER/
AUDIO
PRE DRIVER
SECTION
(Page 12)
IN 1
PRE
C-CH 6
DRIVE
SW-CH
BRIDGEABLE_RY 24
PROTECTOR 20
FRONT_SPK_A_RY 26
SYSTEM
CONTROL
IC2101 (5/5)
D2302
23
C/SL-SR_RY
D2302
PREOUT_SW_RY 25
D2303
HP_RY 22
94
HP_DET
SBL-SBR_RY 21
67
FUSE_DET(RESERVE)
82
POWER_RY
STOP 81
STR-DH510
IC701
+VOUT1
FL-CH
2
-VOUT2
POWER AMP
FR-CH
3
DRIVE Q701-704,
+VOUT2
12
Q751-754
-VOUT2
11
IC801
+VOUT1
SL-CH
2
-VOUT2
POWER AMP
SR-CH
3
Q601-604,
DRIVE +VOUT2
12
Q651-654
-VOUT2
11
IC601
+VOUT2
2
DRIVE -VOUT2
POWER AMP
3
Q851-854
PROTECTOR
D326-327
Q320,321,325
D2110
FRONT_SPK_A_RY
TU+9V
C/SL-SR_RY
+7V
PREOUT_SW_RY
-7V
HP_RY
HP_DET
+6V
D2303
RELAY
DRIVER
Q375
CURRENT
RELAY
DETECT
DRIVER
Q711,712
Q350
CURRENT
DETECT
Q761,762
CURRENT
RELAY
DETECT
DRIVER
Q611,612
Q355
CURRENT
DETECT
Q661,662
RELAY
DRIVER
CURRENT
Q365
DETECT
Q861,862
RELAY
DRIVER
Q301
RELAY
DRIVER
RECT
D921
IC2201
+9V
3 1 +15V
REG
IC350
+15V
+7V
3 1
REG
-7V
3 2
REG
IC352 -15V
IC990
+6V
3 1 -15V
REG
IC980
+4V
3 1
+4V
REG
IC2103
+3.3V +3.3V
3 1
(STBY) REG
+5V
(STBY)
17 17
J790
PHONES
RY375
TB601
L
RY350
FRONT
R
TB602
L
RY355
SPEAKERS
SURROUND
IMPEDANCE
USE 8-16Ω
R
TB602
RY365 CENTER
J405
AUDIO SUB
OUT WOOFER
RY301
T901
POWER
TRANSFORMER
(MAIN)
RY920
Q920
F912
F913
IC201
+15V
REG
F910
RECT
D910-913
F911
F940
RECT
D941
-15V
REG
IC202
T904
RY901
POWER
RELAY
TRANSFORMER
DRIVER
(SUB)
Q901
RECT
D993-D994
AC IN D990
DETECT
Q990
STR-DH510
• Signal path
: TUNER (FM/AM)
• R-ch is omitted due to
same as L-ch.
~
AC IN