Thermal Sensor - Onkyo HT-R820THX Service Manual

A
PRINTED CIRCUIT BOARD VIEWS-8
U18
TERMINAL PC BOARD
(NAPS-8247)
1
Component side
7
NCPS-8247
25138247
U19
POWER SUPPLY PC BOARD (NAPS-8248)
Component side
2
3
4
U21
VIDEO PC BOARD
(NAVD-8250)
Component side
5
B
5 3 1
0
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
U282 U281
U283
U281
7
12
J252 U282
J244
U283
C289
C280 C287
C288
17
C282
R281
L283
NCVD-8250
25138250
15 J217
C286
J239
17
J216
C285 12
J236
J243
7
L282
L281
C240
12
J228
OPTOUT
COAX
+5V J229
OPT1 17
DGND
OPT2 17
C224
C219
C217
RI
VM1
C218
VM2
P253A
B
A
CNPT
GND
P253A
GND
+12V
U20
TERMINAL PC BOARD
(NAPS-8249)
Component side
L L N N
P902
P926
P925
() J6301
17
P911
P902
J6306
P918
C902
C902
J6314
30
P912
(P)
P922
P921
J6318
7
()
J6319
22
P282
P281
P282
P281
C281
J248
P201
R205
1
J223
7
R210
J227
J232
R207
J231
C222
J205
Q212
Q203
15
J203
J204
J207
12
C221 J206
C223
J210 J240
J211
J209
C
19 18 17 16
NCPS-8249
25138249
0
J6407
12
22
U26

THERMAL SENSOR

PC BOARD
(NAETC-8255)
Component side
TH1
R6380 R6381
TH1
+24V
TH2
P201 P203
P202
P203
P202
R215 R204
C220 R222
R220
R218
R203
R214
R216
R226
R225
J219
C226
J222
Q213
15 J202
C225
HT-R820THX
D
15
J6410
TH2
P6380
NCETC-8255
25138255
0
P204
C216
R217