Onkyo TX-8255 Service Manual page 9

E
J102
NC
RL450
J101
Q452
DTC123JS
D450
C459
103J
C415
220/16
+12V
C416
C411
R411 220/16
Q491
47/25
1.2K
R409 Q402:A
RN1241-A
2
100K
1
3
2
C433
-12V
103J
R413
100K
C435
NC
C443
C423 NC
223Z
RN1241-A
Q492
C424
223Z
R435 R436
220K 2.2K
C442
4.7/50
C436
R414
NC
D491
100K
1SS133
C434
7
Q402:B
103J
6
5
7
6
C412 R412
47/25 1.2K
NAAF-8888
E PC BOARD
VOLUME
6
P641
7 5
WS-CLAMP
R644
8.2K
P642
WS-CLAMP
C915, 916 :
8200/56
R904 R906
NC NC
SE1H
D918A
C915
D918
901 R900 C918A D3SBA20
P918
NC NC NC
BUS
C924
334J
C916
C918
902 J900
1000/35
NC NC
C919 P917A
3
NC
330/35
C925
334J
D915,D921: RL1N4003
1SR139-100
RLGND
1
GP104003E
R919
1(1/2W)
D986
NC
D920
RL1N4003
C983
C928
GP104003E NC
00/50
J903
R935
D921
C926
L1N4003
100/50
P104003E
R924
560(1/2W)
F
POWER AMP. L ch
Q507
C527
47/63
C501
R501
470 47/50 R505
+
10
R503
27K
-0.6V
C507 NC
R511
5.6K
-22.8V
R529
C528 47
(1/2W)
47/63 Q505
-55.8V
D511
+
C513
1SS133
47/25
R561
270
Q529
2SC2458-GR BL
R518 R520
1K
1K Q508
R578
R566
120K C512
120K
NC
R502 C502
470 47/50 R506
+
10
R504
27K
-0.6V
Q493
C508 NC
KRA102M
R512
5.6K
-22.8V
R530
47
C941
Q506
(1/2W)
10/50
-55.8V
D512
+
C514 1SS133
47/25
R562
270
Q530
2SC2458-GR BL
POWER AMP. R ch
Q481
MOTOR DRIVE
TA7291SG
C441
100/16
NAPS-8889
D912
8A/125V
JL918A D10XB60H
F911
J911
J912
JL918B
JL917B
P919
F912
D911
D10XB60H
R925
RL921 NC
2 10(1/2W)
1 4
C912 P916B
3
334J/50V
J591
P915B
D951
J592
NC
P914B
C911
334J/50V
Q925
NC
RL922 NC
JL913B
FLAC2
FLAC1
D982
D984 NC
D985
NC D981
NC
C982 C981
D983
NC
222J
P917C
NC
E591
P917D
NC
E593
C953
4.7/50 NC
+
D954
R953
100K MTZJ4.7B
Q501-504 : 2SC2240-BL Q515, 516 : 2SC2229-Y
Q531 - 534 : 2SC1740S-S
Q505, 506 : 2SC2240-GR, -BL
Q507 - 510, 513, 514 : 2SA949-Y
+57.6V
R521
R523
82
82
(1/2W)
(1/2W)
R591
Q517
2.2
+56.3V
2SC5171 2SC2229-Y
(1/4W)
+1.2V
Q521
R581
2SC5197
Q513
5.6K
+0.6V R545
R579
C523
22K
R539
100
020C
2.2
(1/2W)
R513
R583
ID+
3.9K 56K
R515 P511
ID-
1.5K
0V
R533
56K R547
+ 0.22(5W)
C595
+ R543
NC C509
C529 P597A P597B
220
10/50
NC NC
(1/2W)
NC
Q509
R541
R587
-55.7V
-0.6V
2.2
2K
Q523
(1/2W)
Q515
2SA1940
R589
3.3K
R525 R527
Q519
-1.2V
68 82
2SA1930
-57.6V
(1/2W) (1/2W)
R587 :
IDLING ADJUST
+57.6V
R522
R524
82
82
(1/2W)
(1/2W)
R592
+56.3V Q518
2.2
2SC5171
(1/4W)
Q532
+1.2V
Q522
R582
2SC5197
Q514
5.6K
+0.6V
R546
C524 R580
R540
020C 100 22K
2.2
(1/2W)
R584 R514
ID+
56K
3.9K
R516 P512
ID-
1.5K
0V
R534
56K R548
0.22(5W)
+
C596 C530
+
R544
NC C510 P598A P598B
NC
220
NC NC
10/50
(1/2W)
Q510
R550
R542
3.3K
R588
-55.7V
-0.6V
2.2
2K
(1/2W) Q524
Q516
R590 2SA1940
3.3K
R526
R528 Q520
68
-1.2V
82 (1/2W) 2SA1930
(1/2W)
-57.6V
R588 :
IDLING ADJUST
NC
NAPS-8887
JL917A
18
17
C991
J991
104J 16
C992
15
P915A
104J
14
J992
13
P914A
R922 0.47(1/2W)
12 To POWER TRANS.
F913
4A125V (NC) 11
F914
4A125V (NC)
10
R921
0.47(1/2W)
9
C995
NC
8
R923
JL913A
5.6(1/2W)
U09
TRANS. SEC.
TERMINAL PC BOARD
G
C525 C525A
R593
NC NC
2.2 (1/2W)
+ + R573 C582
10K 223Z
L
Q527
R
R551
-O R572
Q583
33K 22K
2SA970
J691
NC
L501
R567
22
R569 C533
102J
22
R549 R553
3.3K 47K
C519
104J
+ +
R594
2.2
(1/2W)
C526 C526A
NC NC
Q528
2SC2229-Y
-O
R552
33K
J692
NC
L502
R568
22
R570
22
R554
R556
47K
8.2
(1W)
C520
104J
R571
33K
Q582 R574
2SC2240
47K
R575
220K
C581
0V
100/16
Q581
2SC2240
MPUGND
D571
C583
MTZJ5.1B 1/50
R598 R599
390(1W)
390(1W)
JL711B
NAETC-8882
U07
HEADPHONE JACK
PC BOARD
L853
220M
1
2
3
L855
220M
SD-4 : E1
TX-8255
H
SPEAKERS
A B
P501
L
R
C532
C531
102J
102J
C536
C534
102J 102J
C535
102J
RL591 RL592
4 5 4 5
3 2 3 2
6 1 6 1
D591 D592
C591 C592
103J
103J
Q591 Q592
DTC123JS
DTC123JS
PROTECT
3
L854
2
PHONES
220M
1
104Z
C876
P504