Onkyo HT-R520 Service Manual

PRINTED CIRCUIT BOARD VIEWS-6
TX-SR502/E/8250/HT-R520
A
1
2
3
4
5
BCD
U07
COMPONENT VIDEO TERMINAL
PC BOARD (NAVD-8236)
U09
REGULATOR PC BOARD
(NAETC-8238)
Component side
Component side
U10
TERMINAL PC BOARD
(NAETC-8239)
Component side
DGND
COMPONENT
OUT COMPONENT1 COMPONENT2
+5V
CNPT
NCVD-8236
25138236
0
D241
C241
Q241
R249
P242A
CB
Y
CR
CB1
Y1
CR1
Y2
CR2
CB2
J242
J249
J250
J245
J244
C242
+5V
DGND
CPNT
J247
J246
J248
P243B
DGND
P241
P241
P250
C243
RL242
RL241
J251
J241
J243
P6931A
P7503B
P7503B
HPL
HPR
AGND
+24V
MPUGND
MPUGND
VOLH
SE1H
SPB
SPCS
SPF
PRO
POWER
+13VS
RLGND
R6932
C6933
D6933
C6932
D6932
R6935
P410A P411A
+24V
S2
S2
S2
S2
S3
S3GND
S3GND
S3
+5.6V
MPUGND
MPUGND
PRO
VOLH
SPB
SE1H
SPCS
SPF
POWER
+13VS
J5208
25138238
NCETC-8238
0
Q6931
J5209
C6931
C6931
JL9501A
R6933
J5218
J5216
J5217
J5207
J5202
J5203
J5204
J5205
J5206
FLAC1
FLAC2
MPUGND
MPUGND
HPL
HPR
AGND
+5.6V
J5210
J5201
J5215
J5214
J5213
J5211
S2 S2 S3 S3
S3E
S4 S4
OI
J5212
PROTHERM
PRO-
THERM
14 13 12 11 10 9 8
JL9501B
NCETC-8239
25138239
0
F9501B
F9501A
R9503
R9501
R9502
R9521
C9513
1.6A 125V
F9501
15
7
7
22
20
7
20
22
7
17
25
25
25
25
25
30
30
30
20
15
12
12

Onkyo HT-R520 Specifications

General

Brand	Onkyo
Model	HT-R520
Category	Receiver
Language	English