Schematic Diagram - Main Board (3/4) - Sony STR-K790 Service Manual

4-16. SCHEMATIC DIAGRAM – MAIN BOARD (3/4) –
D449
1SS133T-72
(Page 27)
TP2
MAIN BOARD
20
(1/4)
(Page 27)
STR-K790
IC701
STK350-530T-E
POWER AMP
R700
47k
C754 C753
100p
C701 100p JW700
R701
4.7
1k
50V
C703 C706
C702 R702
100p 3p
100p
68k
JW753 500V
C756
R449
R766 R753 R754 3p
1k
22k
2.2k 68k R704
C700
C752 R752 68k
2.2
100p 68k C757
100V
100
R765
10V
2.2k
R703
D448 2.7k
C751 R751
1SS133T-72
1k
C707
50V
100
10V
JW751
C815
R816 10 R815
1 1
100V
C816
10
100V
D851
R853
ISS133T-72 10k
R854
33k C851
6.3
0.1
Q852 -5.5
DTA124ESA-TP
R855
6.3 220k
Q851,Q852
-B SWITCH D852
JW
PROTECT DET
Q851
2SC1815
GR-TPE2
R857
10k
-37
-36.4
R852
10k
-37
R851
R856 10k
470k
R858
470
(Page 30)
Q701,Q702,Q751,Q752
LIMITER
Q705,Q706,Q755,Q756
CURRENT DETECT
C711
R708
47p 37
100
500V
Q703
MN2488-OPY-MK
1.1
R705 R706
0
2.2k 82k
R710
0.22 R711 C713
4.7k 220p
0
Q705
0
2SA1038S
R715 C714 D702
-RSE-TP
Q701 1SS133T-72
22k 0.01
1.1 2SA1115TP-EF R712
6.2k -2
C708 0.4 R713
R717
D701 R716
47 1.5k R714
3.3k 15k
25V 15k 1SS133T-72
0.4
-1.1
Q702 -0.6
2SC3623
-ATP-LK
-1.5
Q706
-1.1 0 R729
2SA1038S
C716 R722 47k
-RSE-TP
0.022 47k
R707 0
560 -1.1 -36
Q704 C729
0.01
MP1620 R720 R721
C712 -OPY-MK 68k 10
R709
47p
100
-37
500V
R770
68k
R759 -37 -36
C762
100 Q754 R771
47p 0
Q756
MP1620 10
2SA1038S
-OPY-MK
-1.1 -RSE-TP
C766
0 0.022
-1.5
R757
R764
D751
560
R763 15k 1SS133T-72
1.5k
-1.1 R762 -1.5
6.2k
Q752 -0.6 0
Q755
2SC3623A
2SA1038S-RSE-TP
TP-LK
R760
0.4
0
0.22 R761 C763
220p
4.7k
-1.1
C758 0.4
47
25V
R755 R756 0
2.2k 82k
1.1 1.1
Q753
MN2488-OPY-MK
R758
Q751
C761
2SA1115TP-EF 100 37
47p
Q703,Q704,Q753,Q754
BOOSTER
(Page 28)
29 29
R718
R719
22k
22k
RY701
RELAY
4.1 12V
Q707
0
2SC1815 GR-TPE2
C715
AF POWER
10
PROTECT
50V
D703
R724
D729 1SS133T-72
1SS133T-72 82
0.2
0.7
R740 100k
Q708
2SC1740S-QRT
R725
RELAY DRIVE 100
STR-K790
CC14
RR14
0.01
10
CC15
RR15
0.01
10
CC16
RR16
0.01
10
L
SPEAKERS
SURROUND
IMPEDANCE
USE 6-16
R
SUB WOOFER
TM604
D
R479 2.2k
DIGITAL
CNP504
BOARD
5P
(4/5)
CNP506
(Page 21)
No mark:FM