Block Diagram - Amp Section - Sony STR-DN1050 Service Manual

STR-DN1050
6-4. BLOCK DIAGRAM – AMP Section –
FL
FR
SBL
SBR
>002B
ANALOG AUDIO
SECTION
(Page 27)
SL
SR
C
STR-DN1050
POWER AMP
BOOSTER
Q620
Q600
CURRENT
Q622
LIMITER
DETECT
Q602, Q603
Q624
Q604
BOOSTER
Q625
Q601
BOOSTER
Q670
Q650
Q672 CURRENT
LIMITER
DETECT
Q674 Q652, Q653
Q654
Q675 BOOSTER
Q651
POWER AMP
BOOSTER
Q820
Q800
CURRENT
Q822
LIMITER
DETECT
Q802, Q803
Q824
Q804
BOOSTER
Q825
Q801
BOOSTER
Q870
Q850
Q872 CURRENT
LIMITER
DETECT
Q874 Q852, Q853
Q854
Q875 BOOSTER
Q851
POWER AMP
BOOSTER
Q720 Q700
CURRENT
Q722
LIMITER
DETECT
Q702, Q703
Q824
Q704
BOOSTER
Q825
Q701
BOOSTER
Q770
Q750
Q772
CURRENT
LIMITER
DETECT
Q774
Q752, Q753
Q754
Q775 BOOSTER
Q751
POWER AMP
BOOSTER
Q570
Q550
CURRENT
Q572
LIMITER
DETECT
Q552, Q553
Q574
Q554
BOOSTER
Q575
Q551
TH251
TH252
67 68
CURRENT
RELAY
D600
DETECT
DRIVER
Q605
CURRENT
DETECT D650
Q655
CURRENT
DETECT D800
Q805
CURRENT
DETECT D850
Q855
CURRENT
DETECT D700
Q705
CURRENT
DETECT D750
Q755
CURRENT
DETECT D550
Q555
PROTECTOR
Q320 ~ Q321,
Q323 ~ Q325
92 66 86 90 88 91 89
SYSTEM CONTROL
IC2100 (3/6)
30 30
Q375
RY920
TB501 (1/2)
+
L
-
+
R
-
RELAY
DRIVER
Q350
RY350
TB503
+
L
-
+
R
-
RELAY
DRIVER
Q360
RY360
TB502
+
L
-
+
R
-
RELAY
DRIVER
Q355
RY355
TB501 (2/2)
+
-
RELAY
DRIVER
Q365
RY365
D2119
D2118
D2120
4
J101
PHONES
FRONT A
SURROUND BACK/
BI-AMP/ FRONT HIGH/
FRONT B/ ZONE 2
SURROUND
CENTER
: AUDIO