Schematic Diagram - Main Board (3/4) - Sony STR-K685 Service Manual

4-14. SCHEMATIC DIAGRAM – MAIN BOARD (3/4) –
R449
1k
D449
1SS133T-72
(Page 25)
TP2
MAIN BOARD
20
(1/4)
(Page 25)
STR-K685
IC701
STK350-530T-E
POWER AMP
R700
47k
C754
C753
C701 100p
100p JW700
R701
4.7
1k
50V
C703 C706
C702 R702
100p 3p
100p 68k
JW753 500V
C756
R766 R753 R754 3p
22k
2.2k 68k R704
C700
C752 R752 68k
2.2
100p
68k C757
100V
R765 100
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
-5.5
Q852
DTA124ESA-TP
-B SWITCH R855
6.3 220k
D852
JW
PROTECT DET
Q851
2SC1815
GR-TPE2
SP,SP6,
R857
TH,MX -B SWITCH 10k
-37
-36.4 R852
R859
10k
270
-37
R851
AR,E51
R856 10k
470k
R858
*
R858
330:SP,SP6,
*
TH,MX
470:E51,AR
(Page 28)
Q701,Q702,Q751,Q752
LIMITER
Q705,Q706,Q755,Q756
CURRENT DETECT
C711
R708
37
47p
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
R716 R717
D701
47 1.5k R714
1SS133T-72 3.3k 15k
25V 15k
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 -36
-1.1 Q704 C729
0.01
MP1620 R720 R721
C712 -OPY-MK 68k
10
R709
47p
100
-37
500V
R770
68k
R759 -37 -36
C762
100 47p Q754 0 R771
Q756
MP1620 10
2SA1038S
-OPY-MK
-RSE-TP
-1.1 C766
0 -1.5 0.022
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
4.7k 220p
-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 26)
27 27
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
R740 100k 0.7
Q708
2SC1740S-QRT
R725
RELAY DRIVE 100
STR-K685
Ver. 1.2
L
SURROUND
(IMPEDANCE
USE 6-16 )
R
SPEAKERS
SUB WOOFER
(IMPEDANCE
USE 10-16 )
TM605
D
R479 2.2k
DIGITAL
CNP504 BOARD
5P
(4/5)
CNP506
(Page 21)
No mark:FM