Onkyo HT-R520 Service Manual

U21
VIDEO PC BOARD (NAVD-8250)
U25
OUTLET TERMINAL PC BOARD
(NAETC-8254) MGK type only
U26
THERMAL SENSOR PC BOARD
(NAETC-8255)
Component side
Component side
Component side
Q281 Q281
1
C201
C202
C203 C204
C205
C206
C207
C208
C209
C210
C211
C212
C213
C214
C215
C216
C217
C218
C219
C220
C221
C222
C223
C224
C225
C226
C227
C281
C282
C283
C284
C285
C286
C287
C288
C289
D201
D202
L282
P201
P201
P203
P203
P204
P204
P253A
P253A
P206B
P281
P281
Q201
Q202
Q203
Q204 Q205
Q206
Q207
Q208
Q209
Q210
Q211
Q212
Q213
R201
R202
R203
R204
R205
R206
R207
R208
R209
R210
R211
R212
R213
R214
R215
R216
R217
R218
R219
R220
R221
R222
R223
R224
R225
R226
R227
R228
R229
R230
R281
R282
L283
R284
U281
U281
U282
U282
U283
U283
J202
J203
J204
J206
J209
J211
J212
J213
J215
J217
J219
J220
J221
J222
J223
J224
J225
J226
J227
J229
J232
J233
J236
J237
J238
J239
J240
J241
J242
+12V
GND
CNPT
A
B
OPTOUT
COAX
OPT2
OPT1
DGND
+5V
RI
VM1
VM2
NCVD-8250
25138250
1
J243
P299
J244
J246
Q281
1
L281
P282
P282
GND
P202
P202
J247
J228
J231
J205
J207
J210
J230
J216
J250
J251
J254
J255
J253
J249
C280
J252
BB
B
B
B
B
B
B
BE
E
E
E
E
E
E
E
E
E
B
J248
C240
P902A
P926A
P925A
NCETC-
25138254
8254
1
R6381R6380
NCETC-8255
0
25138255
TH1 TH2
JL6402B
TH1
+24V
TH2
P6380
1515
12
20
15
12
15
17
7
15
7
7
17
12
7
17
7
7
7
12
17
15
7
12
7
12
17
PRINTED CIRCUIT BOARD VIEWS-10
TX-SR502/E/8250/HT-R520
A
1
2
3
4
5
BCD

Onkyo HT-R520 Specifications

General

Brand	Onkyo
Model	HT-R520
Category	Receiver
Language	English