Schematic Diagram - Main Section (3/3) - Sony STR-DG520 Service Manual

5-10. SCHEMATIC DIAGRAM – MAIN Section (3/3) –
1 2
A
MAIN BOARD (3/3)
B
C
D
EXCEPT US,CND MODEL
CNP500
(Page 35)
3P
+7V 1
DCAC
P
BOARD GND 2
CN2001
-7V 3
(EXCEPT US,CND)
E
CN500
3P
+15V 1
VIDEO
E
BOARD GND 3
CNP203
-15V 4
(Page 32)
F
G
STR-DG520
3 4
(Page 23)
MAIN BOARD (1/3)
3
1 R510
330 (US,CND)
270 (EXCEPT US,CND)
R510
1
2 R511 2W
330 (US,CND)
470 (EXCEPT US,CND)
Q500
2SC1815GR-TPE2
-55.7
-54.8
R502 R501
470k 10k
IC350
+7V REG
R503
10k
-5.5
IC350
1.1
TA7807S
15.6 6.9
I O
G
1 3
C351 -6.9
2
C350
100
0.47
16V
C352 C353 D352
100 1SR154-400TE-25
0.47
1
16V
2 3
-16.5 -6.9
IC352
TA79007SB
IC352 OVERLOAD DETECT AMP
-7V REG
5 6
(Page 24)
MAIN BOARD (2/3)
4
R511
2 R546
1
2W
Q500,501
B- SWITCH
-55.6
D500 Q501
RT1P241C-TP-1
MAZ8300GMLS0
6.2 6.3
D501
-5.5
MA2J1110GLS0
IC565
NJM4565M(TE2)
6.9
VCC
R506 R932
-5.5
33k
R507
220k
+ - -3.7
-5.5 C500
VEE
0.1
C933
0.1
R505 100V
10k
R504
10k
IC565
25 25
7 8 9
D940-943
RECT
D940
1SR154-400TE-25
R940
0.15
C940
D941
1/2W C904
0.47
1SR154-400TE-25
3300
D942
16V
1SR154-400TE-25
C941
0.47
D943
1SR154-400TE-25
Q930
2SB734-T-34
-20V REG
4.7
C930
D930
47
PTZ-TE25-5.6B
-55.6 -20.1
35V
R931
JS930
10k
-20.6
C932
R930
47
22k
35V
C931
47
35V
D921
D5SBA20-4003
~
RECT
C920
0.22
100V
C922
~
6800
71V
C923
6800 C921
71V 0.22
100V
STR-DG520
Ver. 1.1
10
CNP912
7P
1
R2 RETURN GND
2 HP_GND(NC)
STANDBY
3 -15V
G
BOARD
4 STBY GND
CN912
5 R2 GND
(Page 39)
6 +15V
7 NC
CN941
3P
DIGITAL
1 GND (R4)
D
BOARD
2 +7V (R4) (3/3)
CNP505
3 GND (R4)
(Page 30)
CNP940
6P
6 R4 +AC
5 R4 -AC
T901
4 F1
H
POWER TRANSFORMER
3 GND
(MAIN)
2 NC
(Page 39)
F2
1
CNP930
3P
3 F2
DISPLAY
F
BOARD
2 F1
CN104
1 -20V
(Page 37)
JS920
CNP921
3P
R1 (UPPER TAP)
5
T901
I
3 R1 GND POWER TRANSFORMER
(MAIN)
1 R1 (UPPER TAP)
JS922 (Page 39)