Onkyo TX-NR906 Service Manual page 13
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Also See for TX-NR906:
- Service manual (212 pages) ,
- User manual (150 pages) ,
- Brochure & specs (32 pages)
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A
B
SCHEMATIC DIAGRAMS-5 (SD-5)
POWER SUPPLY SECTION-1
NAAF-9039
U01
AMPLIFIER PC BOARD
1
13
C
12
11
SR
10
9
SBR
8
7
R
6
5
L
4
3
SBL
2
1
SL
2
2SC1815
Q6560
R6560
4.7K
3
2SC1815
Q6550
R6550
4.7K
C6222
220/25
R6223
5.6K
9
GNDDG
8
+3.3VDG
4
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
5
S1L+
6
S1L-
7
GND_AMP
C
NAETC-9043
LM61CIZ
Q6380
1
3
G
V
U05
1
THERMAL
2
3
SENSOR
PC BOARD
1
JL6402A
2
3
R6563
1.2K
Q6561
2SA950
2SC2240-GR
Q6701
IPRO
+
R6562
VPRO
COOLING
D6701
C6701
FAN
1SS133
100/25
VOLH
1.8K
1
2
2SC2240-GR
Q6702
D6702
1SS133
R6553
2SA970-GR
1.2K
Q6703
Q6551
33K
R6706
2SA950
22K
R6704
D6703
223J
R6552
C6703
COOLING
MTZJ3.3B
C6704
FAN
1.8K
R6702
+
1
1/50
R6701
10K
2
22K
2SC1740S
Q6601
R6601
4.7K
F6601
1K
R6602
20A-UL-250V
R6603
(1/2W)
2.2
2SC1740S
Q6611
4
4
4.7K
F6602
3
3
R6611
1K
2
2
R6612
20A-UL-250V
1
1
R6613
2.2
(1/2W)
F6603
20A-UL-250V
20A-UL-250V
D
E
LM61CIZ
NAETC-9042
Q6381
1
3
G
V
U04
THERMAL
SENSOR
PC BOARD
JL6403A
TO NAAMP-9062
SD-4:D1
3
P6350B
2
1
P6340
HIGH-B
+65V
NAPS-9041
RL6601
U03
POWER SUPPLY
1
4
PC BOARD
2
3
HIGH-B
P6601H
RL6602
4
1
2
3
1
4
P6601G
4
1
MID-B
3
2
P6601F
RL6611
4
1
3
2
4
1
P6601E
RL6612
LOW-B
2
P6601D
1
4
3
P6601C
7
6
5
4
3
F6604
2
1
Trans center tap
www.audiodna.sk
F
G
P6140A-G(SOCKET AS)
TO NATRM-9055
SD-7:D2 (P6140H)
inputC
GND_inputC
GND_NFC
GND_decupC
GND_polaC
C
inputSR
GND_inputSR
GND_NFSR
GND_decupSR
GND_polaSR
SR
inputSBR
GND_inputSBR
GND_NFSBR
GND_decupSBR
GND_polaSBR
TO NAAMP-9061
SD-4:G1
P6340B
SBR
P6401
inputR
GND_inputR
GND_NFR
GND_decupR
GND_polaR
P6400
COPPERBUS PLATE
inputL
GND_inputL
GND_NFL
GND_decupL
GND_polaL
HIGH-B
-65V
inputSBL
GND_inputSBL
GND_NFSBL
GND_decupSBL
GND_polaSBL
SBL
CONTACT BY SCREW
inputSL
GND_inputSL
GND_NFSL
GND_decupSL
GND_polaSL
CONTACT BY SCREW
SL
TX-NR906/NA906
H
<Note>
SD-x:XY is short for Shcematic Diagram-x and
each socket's location, X=A to H, Y=1 to 5.
3
2
1
P5022B
C6032
R6132
1
8.2
2
473J
(50V)
(1W)
3
4
3
2
1
P5024B
R6134
C6034
1
473J
2
8.2
(50V)
(1W)
3
4
3
2
1
P5026B
R6136
C6036
1
2
473J
8.2
(50V)
(1W)
3
4
3
2
1
P5021B
C6031
R6131
1
2
473J
8.2
(50V)
(1W)
3
4
FR
1
2
3
P5020B
R6130
C6030
4
473J
8.2
3
(50V)
(1W)
2
1
FL
1
2
3
P5025B
R6135
C6035
4
473J
8.2
3
(50V)
(1W)
2
1
1
2
3
P5023B
C6033
R6133
4
3
473J
8.2
(50V)
(1W)
2
1
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