Onkyo TX-SR876 Service Manual page 25

A
SCHEMATIC DIAGRAMS-5 (SD-5)
POWER SUPPLY SECTION-1
1
2
3
4
5
B
NAAF-9039
U01 AMPLIFIER PC BOARD
13 C
12
11 SR
10
9 SBR
8
7 R
6
5 L
4
3 SBL
2
1 SL
R6563
2SC1815
1.2K
Q6560
R6560
4.7K
R6562
1.8K
R6553
2SC1815
1.2K
Q6550
R6550
4.7K
R6552
1.8K
C6222
220/25
R6223
5.6K
9 GNDDG
8 +3.3VDG
7 THERMAL_1
6 THERMAL_2
5 PROTECT
4 VOLH
3 SEC1H
2 SEC1M
1 FANCTRL
3 FAN GND
2 +12V
1
NAPS-9040
U02 POWER SUPPLY
PC BOARD
1 S1H+
2 S1H-
3 S1M+
4 S1M-
5 S1L+
6 S1L-
7 GND_AMP
C
NAETC-9043
U05
1
THERMAL
2
3
SENSOR
PC BOARD
1
2
3
Q6561
2SA950
2SC2240-BL
Q6701
D6701
1SS133
1
2
2SC2240-BL
Q6702
FAN D6702
1SS133
2SA970-BL
Q6703
Q6551 33K
2SA950
R6704
223J
C6703
FAN
R6702
1
R6701
10K
2
22K
2SC1740S
Q6601
R6601
1K
R6602
2SC1740S
Q6611
4 4
R6611
3 3
1K
2 2
R6612
1 1
2.2
TX-SR876/SA876
D
LM61CIZ
NAETC-9042
Q6380
1 3
G V
U04
THERMAL
SENSOR
PC BOARD
JL6402A
IPRO
+
VPRO
C6701
100/25
VOLH
R6706
22K
D6703
MTZJ3.3B
C6704
+
1/50
4.7K
F6601
20A-UL-250V
R6603
(1/2W)
2.2
F6602
4.7K
20A-UL-250V
R6613
(1/2W)
F6603
20A-UL-250V
F6604
20A-UL-250V
LM61C
JL6403
RL6601
1 4
2 3
RL6602
2 3
1 4
4 1
3
2
RL6611
3
2
4 1
RL6612
7
6
5
4
3
2
1