Onkyo HT-R520 Service Manual page 43

A
PRINTED CIRCUIT BOARD VIEWS-9
U17
POWER SWITCH PC BOARD
1
(NASW-8246) Except MDD, MDC type
Component side
P917A
2
U19
POWER SUPPLY PC BOARD (NAPS-8248)
3
4
5
B
S906
P918A
S906
Component side
S902
S902
P922A
220V 120V
J6309
P921A
(JDPG)
25
(JD)
P917
T3.15AL250V
T902
1 2 3 4
P913
7
T902
P923
(PG)
7
J6317
8 7 5
9 8 7 6 5
R921 C921 D925
J6320
D923 D921 R924
Q921
E
B
D922
D924
R922
R923
+13VS
+13VS
C923
MPUGND
MPUGND
POWER
U20
TERMINAL PC BOARD (NAPS-8249)
Component side
19 18
C
U18
TERMINAL PC BOARD
(NAPS-8247)
Component side
7
L L N N
P902
P926
P925
() J6301
17
P911
P902
J6306
7
P918
C902
C902
J6314
30
P912
(P)
P922
P921
J6318
7
()
J6319
22
17 16 15
NCPS-8249
25138249
0
J6407
12
22
J6410
TX-SR502/E/8250/HT-R520
5 3 1
NCPS-8247
25138247
0
D