Schematic Diagram - Main Board (3/3) - Sony STR-KG800 Service Manual

STR-KG800
Q Q
3 7 6 3 1 5 1 5 0
6-9.

SCHEMATIC DIAGRAM - MAIN Board (3/3) -

1 2 3
CN792 MAIN BOARD (3/3)
5P
HP_DETECT 1
A
E
NC 2 RY375
R-CH 3
-1
HEADPHONE
GND 4
BOARD
-2
CNP790 L-CH 5
(Page 33)
D375
MA2J1110GLS0
B
0
13
15
17
2 18
19
C
MAIN 20
BOARD
(1/3) 21
(Page 22)
22
23
24
0
D
Q320
2SA1163L-TE85L
PROTECT SWITCH
5
MAIN
BOARD
28
(2/3)
(Page 23)
R327
10k
D326
MA2J1110GLS0
E
T E
L 1 3 9 4 2 2 9 6 5 1 3
D327
MA2J1110GLS0
25
MAIN 3
BOARD 26
(1/3)
27
(Page 22)
29
F
6
MAIN
BOARD
30
(2/3)
31
(Page 23)
CN350
7P
HP_DETECT
1
F
NC 2
HP RY 3
DIGITAL
C/SUR/SB_RY 4
AB BOARD
(4/5) FRONT B RY (NC)
5
G
CNP504
SW PREOUT RY 6
(Page 28)
FRONT A RY 7
CN500
4P
(Page 39)
4
-15V
G 3
GND
2
NC
VIDEO 1
+15V
BOARD
H
CNP203
CNP500
3P
1SR154-400TE-25
H
-7V 3
2
GND
C353
100
DCAC 1
+7V 16V
BOARD
CN2000
(Page 33)
C351
100
16V
C471
I
4.7
50V
R304 R301
47k 2.2k
0.7
0.1
Q301
w w w 2SC3052EF-T1-LEF
7 JS470 JS471
MAIN RELAY DRIVE
BOARD 32
(2/3)
J
(Page 23)
STR-KG800
4 5 6
R392
680 2W
R393
680 2W
16
Q375
2SC3052EF-T1-LEF
RELAY DRIVE
R377 R376
47 33
D501
MA2J1110GLS0
Q321
2SC3052EF-T1-LEF
R320
C320
100k PROTECT SWITCH
220
10V 6.4
0 -5.5
JR320
0
3.3
Q501
6.4
RT1P241C-TP- 1
B- SWITCH
D320
MA2J1110GLS0
-44. 3
D325
R325 MA2J1110GLS0
6.8k
Q325
3.2
2SC3052EF-T1-LEF
LIMITER
-44. 8 R511 -44. 8 R501
100 22k
2W
R326 C325
39k 10
R328 -44. 8 -43. 8
50V
1k R510 R502
330 -44. 8 470k
2W
Q500
2SC1815GR-TPE2
B- SWITCH
IC352
-7V REGULATOR
IC352
TA79007SB
D352
2 1
O I
-6.9 G -16. 8
C352
3
0.47
C350
3 D301
0.47 R303 R302
MA2J1110GLS0
G 100 100
7 16
O I
2 1
IC350
TA7807S
RY301
IC350
+7V REGULATOR
x a o
. i
http://www.xiaoyu163.com
7 8 9 10
R506 R505
33k 10k
C500
0.1
R507
R360 R355
220k
1k 1k
R362
47
R363 R358
47k 47k
R504
10k
R361
33
8 7 6 5 0.8 0.8
0.2 0.2
D355
D360
MA2J1110GLS0
MA2J1110GLS0
1 2 3 4
RY360 RY355
12V 12V
-2 -2
Q Q
3 7
-1 -1
RR17 CC17
10 0.01
C923
6800
71V
IC565
PROTECT DETECT
R467
100k
R470 R466
47k
1k
JS472
JR406
C400 u 1 6 3
0
2200p
y
(CHASSIS) J405
AUDIO OUT
SUB WOOFER
24 24
2 4
8 9 9
11 12 13
R350
2.2k
R357 R352
47 47
R353
47k
C941
0.47
R356 R351
33 33
0.8
0.2
D350
MA2J1110GLS0
Q930
2SB734-T-34
-20V REGULATOR
-44. 8 -19. 8
RY350
C933
12V 0.1
100V R931 -20. 4
10k
-2
6 3 1 5 1 5 0 8 9
-1
C932
47
35V
D931
C920 MAZ8200GMLS0
C921
0.22
C922 0.22
100V
6800 100V
71V
D921
JS920
D5SBA20-4003
~
R932
4.7
~
JS922
CC12
0.01
RR12
10
m
c o
.
2
8 9 9
14 15 16
R940
CNP940
0.15
6P
1/2W
6 R4 +AC
J
5 R4 -AC
4 F2
MAIN POWER
3 GND
TRANSFORMER
T901
2 NC
(Page 45)
1 F1
CNP912
7P
1 R2 RETURN GND
2 NC
K
3 -15V
4 STBY GND
STANDBY
BOARD
5 R2 GND IN
CN912
6 +15V (Page 45)
D940
7 +15V (NC)
1SR154-400TE-25
CN941
3P
L
D941
1 GND (R4)
1SR154-400TE-25
2 +7V (R4)
C904 DIGITAL
3300 3 GND (R4) (NC)
AB BOARD
16V
(4/5)
CNP505
D942
(Page 28)
1SR154-400TE-25
D943 C900
ET902
1SR154-400TE-25 0.1
(CHASSIS)
C930
47
(Page 41)
35V
CNP930
3P
M
3 F2
D930 2
F1
PTZ-TE25-5.6B
DISPLAY
1 -20V
BOARD
2 4 9 8 2 9 9
CN108
C931 R930
(Page 23)
47 22k
35V
8
MAIN
BOARD
W001-002
(2/3)
CNP921
5P
N
5 R1 (UPPER TAP)
4 NC
MAIN POWER
3
R1 GND
TRANSFORMER
T901
2 NC
(Page 45)
1 R1 (UPPER TAP)
JS392
JS393
RR11 CC11
10 0.01
JS394
L
-
R
- TB601
FRONT
L
+
R
+
JS389
-
TB607
SPEAKERS
JS388
CENTER
+
L
+
CC16 0.01
L
- TB604
RR16 10
SURROUND
+ R
CC15 0.01
- R
RR15 10