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

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3 7 6 3 1 5 1 5 0
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
T E
L 1 3 9 4 2 2 9 6 5 1 3
FRONT_SPK_A_RY
FRONT_SPK_A_RY 26
SYSTEM
CONTROL
IC2101 (5/5)
D2302
C/SL-SR_RY 23
D2302
25
PREOUT_SW_RY
D2303
HP_RY 22
HP_DET 94
SBL-SBR_RY 21
FUSE_DET(RESERVE) 67
POWER_RY 82
w w w
STOP 81
.
STR-DH510
IC701
+VOUT1
FL-CH
2
-VOUT2
POWER AMP
FR-CH
3
Q701-704,
DRIVE
+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
3 POWER AMP
Q851-854
PROTECTOR
D326-327
Q320,321,325
D2110
TU+9V
C/SL-SR_RY
+7V
PREOUT_SW_RY
-7V
HP_RY
HP_DET
+6V
D2303
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8
RELAY
DRIVER
Q375
CURRENT
DETECT RELAY
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
Q Q
3 7 6 3
RELAY
DRIVER
Q920
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)
u 1 6 3
.
17 17
2 4
9 9
J790
PHONES
RY375
TB601
L
RY350
FRONT
R
TB602
L
RY355
SPEAKERS
SURROUND
IMPEDANCE
USE 8-16Ω
R
TB602
CENTER
RY365
J405
AUDIO SUB
OUT WOOFER
RY301
1 5 1 5 0 8 9 2
T901
POWER
TRANSFORMER
(MAIN)
RY920
F912
F913
IC201
+15V
REG
F910
RECT
D910-913
F911
F940
RECT
D941
-15V
REG
IC202
T904
RY901
POWER
RELAY
DRIVER TRANSFORMER
Q901 (SUB)
RECT
D993-D994
m
AC IN
D990
DETECT
c o
Q990
STR-DH510
2
8 9 9
• Signal path
: TUNER (FM/AM)
• R-ch is omitted due to
same as L-ch.
4 9 8 2 9 9
~
AC IN