Onkyo TX-SR876 - Page 11

SCHEMATIC DIAGRAMS-5 (SD-5)
POWER SUPPLY SECTION-1
TX-SR876/SA876
A
1
2
3
4
5
BCDEFGH
IPRO
GNDDG
+3.3VDG
THERMAL_1
THERMAL_2
VOLH
C
S1L-
S1M+
S1M-
PROTECT
SEC1M
SEC1H
FANCTRL
VPRO
VOLH
GNDDG_2 +3.3V_2 THER_2
THER_1 +3.3V_1 GNDDG_1
S1H+
S1H-
S1L+
GND_AMP
+12V
FAN GND
SBL
SL
L
R
SR
SBR
-B1 +B1
GND_inputL
inputL
GND_NFL
GND_decupL
GND_polaL
GND_inputC
inputC
GND_NFC
GND_decupC
GND_polaC
GND_inputR
inputR
GND_NFR
GND_decupR
GND_polaR
GND_inputSL
inputSL
GND_NFSL
GND_decupSL
GND_polaSL
GND_inputSBR
inputSBR
GND_NFSBR
GND_decupSBR
GND_polaSBR
GND_inputSR
inputSR
GND_NFSR
GND_decupSR
GND_polaSR
GND_inputSBL
inputSBL
GND_NFSBL
GND_decupSBL
GND_polaSBL
COPPERBUS PLATE
P6400
+65V
-65V
FAN
FAN
MID-B
HI-B
NAETC-9042NAETC-9043
C
SR
SBR
FR
FL
SBL
SL
LO-B
Trans center tap
20A-UL-250V
20A-UL-250V
20A-UL-250V
20A-UL-250V
NAPS-9041
NAPS-9040
TO NAASP-9050(2/2)
SD-2:H3
TO NAAR-9075
SD-8:H2
TO NATRM-9055
SD-7:D2
TO POWER TRANS
SD-14:D3
TO NACLA-9065
SD-3:A5
TO NACLA-9067
SD-3:A4
TO NACLA-9069
SD-3:A3
TO NACLA-9064
SD-3:A1
TO NACLA-9063
SD-3:E1
TO NACLA-9068
SD-3:E2
TO NACLA-9066
SD-3:E4
TO NACLA-9066
SD-3:H3
TO NACLA-9068
SD-3:H2
TO NACLA-9063
SD-3:H1
TO NACLA-9064
SD-3:D1
TO NACLA-9069
SD-3:D2
TO NACLA-9067
SD-3:D4
TO NACLA-9065
SD-3:D5
TO NAAMP-9062
SD-4:D1
TO NAAMP-9061
SD-4:G1
TO NAAMP-9062
SD-4:D5
NAAF-9039
C6701
100/25
+
C6706
10/50
+
JL6402B
1
2
3
Q6701
2SC2240-BL
D6701
1SS133
D6702
1SS133
Q6702
2SC2240-BL
D6704
MTZJ3.3B
JL6403B
1
2
3
P6140D (BLU)
P6140F (BRN)
Q6226
2SB1240-R
D6222
1SS133
D6221
1SS133
C6902
+
R6710
2.7K
R6709
5.6K
R6708
33K
Q6381
LM61CIZ
1
G
2
O
3
V
Q6380
LM61CIZ
1
G
2
O
3
V
P6140A (WHT)
P6140B (RED)
P6140C (GRN)
P6140A-G(SOCKET AS)
TO NATRM-9055
SD-7:D2 (P6140H)
R6613
(1/2W)
2.2
C6611
102J
D6612
1SS133
D6602
1SS133
C6601
102J
R6603
(1/2W)
2.2
R6602
4.7K
Q6611
2SC1740S
Q6601
2SC1740S
RL6602
3
41
2
RL6612
3
41
2
C6704
1/50
+
C6703
223J
D6703
MTZJ3.3B
R6704
33K
R6706
22K
R6701
22K
R6702
10K
Q6703
2SA970-BL
Q6551
2SA950
Q6560
2SC1815
R6560
4.7K
C6222
220/25
Q6561
2SA950
Q6550
2SC1815
R6550
4.7K
P6601E
P6601F
P6601G
C6901
15000/75
15000/75
+
RL6601
4
3
2
1
P6601H
JL6602B
1
2
3
4
F6602
F6601
F6603
F6604
P6500
7
6
5
4
3
2
1
RL6611
4
3
2
1
P6340
P6340B
P6350B
1 2
1 2 1 2
3 4
P7210A
1
2
3
4
5
6
7
8
9
R6222
(1W)
JL6403A
3 2 1
JL6402A
3 2 1
R6612
4.7K
R6611
1K
R6601
1K
R6223
5.6K
JL6602A
4
3
2
1
P6140G (YEW)
P6401
JL6041A
1
2
3
P6601A
P6601
SOCKET AS
7
6
5
4
3
2
1
P6601D
P6603B
P6602B
P6602
P6603
D6611
LN25XB60
4
3
1
2
D6621
LN25XB60
4
3
1
CONTACT BY SCREW
CONTACT BY SCREW
2
P6140E (GRY)
D6601
LN25XB60
4
3
1
2
JL6900A
1
2
3
P6601C
P6601I
C6602
334J/250V
C6612
334J/100V
C6622
334J/100V
P6560
1
2
P6550
1
2
R6564
22K
R6563
1.2K
R6561
330
R6562
1.8K
R6554
22K
R6553
1.2K
R6552
1.8K
R6551
330
P5000A
1
2
3
4
5
6
7
8
9
10
11
12
13
P5020B
C6030
(50V)
473J
R6130
(1W)
8.2
Q6000
2SC1740S-S
P5022B
P6012B
4
3
2
1
C6032
(50V)
473J
R6132
(1W)
8.2
Q6002
2SC1740S-S
P5012B
1
2
3
P5021B
P6011B
4
3
2
1
C6031
(50V)
473J
R6131
(1W)
8.2
Q6001
2SC1740S-S
P5011B
1
2
3
P5023B
C6033
(50V)
473J
R6133
(1W)
8.2
Q6003
2SC1740S-S
P5026B
P6016B
4
3
2
1
C6036
(50V)
473J
R6136
(1W)
8.2
Q6006
2SC1740S-S
P5016B
1
2
3
P5024B
P6014B
4
3
2
1
C6034
(50V)
473J
R6134
(1W)
8.2
Q6004
2SC1740S-S
P5014B
1
2
3
P5025B
C6035
(50V)
473J
R6135
(1W)
8.2
Q6005
2SC1740S-S
P5010B
1
2
3
P6010B
4
3
2
1
P5015B
1
2
3
P6015B
4
3
2
1
P5013B
1
2
3
P6013B
4
3
2
1
U01
AMPLIFIER PC BOARD
U03
POWER SUPPLY
PC BOARD
U04
THERMAL
SENSOR
PC BOARD
THERMAL
SENSOR
PC BOARD
U05
U02
POWER SUPPLY
PC BOARD
<Note>
SD-x:XY is short for Shcematic Diagram-x and
each socket's location, X=A to H, Y=1 to 5.