Schematic Diagrams; Power Amp. Section - Onkyo TX-SR606 Service Manual

A
SCHEMATIC DIAGRAMS-2 (SD-2)

POWER AMP. SECTION

<Note>
NC = No mount of parts.
SD-Z : XY
1
Location of connected terminal in schematic diagrams.
SD-Z = Schematic diagrams-Z. X = A to H, Y = 1 to 5.
Refer to following table about the parts displayed by mark " LIST ".
TX-SR606
DD, PP, GK,
DC PB GQ,
GR
Q6050 - 52
MN130S 2SC5242 MN130S
Q6060 - 62 MP130S 2SA1962 MP130S
Q6053 - 54
MN130S 2SC5242 MN130S
Q6063 - 64
MP130S 2SA1962 MP130S
Q6055 - 56
MN130S 2SC5242 MN130S
Q6065 - 66
MN130S 2SC5242 MN130S
Q5050 - 56
2SC2240
R5160 - 5166 100
R5170 - 5176
100
R6070 - 6072
82
R6073 - 6076 100
C6901, 6902 63/10000
69/10000
2
R6710
4.7K
NAAF-9424 (2/2)
U05
AMPLIFIER PC BOARD
GNDS1
+22V
VOLH
SEC1H
PROTECT
Q6701, 6702 : 2SC2712-GR
3
D6701, 6702 : KDS4148U
R6701
22K
Q6703
2SA1163-BL
Q6702
4
Q6707
2SC2712-GR
YELLOW
P6903B
S1H+
BLACK
P6900B
GREEN
P6904B
S1H-
1
2
F6901
3
4
5
5
F6902
To NAAF-9424 (1/2)
B
L
Front Lch
R5000 C5010
47/50
1K
TX-SA606X
WT,
JJ
WO,
WF
---
MN130S
---
MP130S
MN130S ---
---
MP130S
MN130S ---
MN130S ---
---
--
---
---
---
R
---
Front Rch
---
R5001 C5011
1K 47/50
C
Center ch
R5002 C5012
1K
47/50
Q6701
VOLH
VPRO
0V
IPRO
R6903 R6902
47K 1K
D6901
RL6902
D10XB60H
3
4 1
2
RL6901
S1L+
D6903
D10XB60H
2
1
4
3
S1L-
AMPLIFIER PCB
SD-1 : F5
C
GND_L
GND_R
P5509B
P5507B
53.8V
52.3V
Q5030
2SA949Y
1.1V
R5030
120K
R5020
330 0V R5230
120K
-0.65V
R5040
R5050
2.2K
4.7K
-48.2V
Q5050
1.1V
-52.9V
Q5040
2SC2229-Y
-53.8V
Q5000, 5010, 5050 : 2SC2240-BL
53.8V
52.3V Q5031
2SA949Y
1.1V
R5031
120K
R5021
0V
330 R5231
-0.65V
120K
R5041
2.2K R5051
4.7K
-48.2V
Q5051
1.1V
-52.9V
Q5041
2SC2229-Y
-53.8V
Q5001, 5011, 5051 : 2SC2240-BL
53.8V
R5182
(1/4W)
52.3V
Q5032
2SA949Y
1.1V
R5032
120K
R5022
330 0V R5232
-0.65V
120K
R5042
2.2K R5052
4.7K
-48.2V
Q5052
1.1V
-52.9V
Q5042
2SC2229-Y
R5192
(1/4W)
-53.8V
Q5002, 5012, 5051 : 2SC2240-BL
To P6901B
P6901A
GND_AMP
BLUE
P6011A
To P6902B
WHITE
P6902A
To NATRM-9468
R5180
10
(1/4W)
1.0V
NF 7
GND
IN -0.3V
-B1
+B1
+B
-B
IDLING
ADJ.
R6040
2K
-0.4V
R5190
-1.1V
10
(1/4W)
Q6000, 6010 : 2SC1740S_S
1.1V
R5181
10
(1/4W) 1.0V
NF 7
GND
IN -0.3V
-B1
+B1
+B
-B
IDLING
ADJ.
R6041
2K
-0.4V
R5191
10
(1/4W)
Q6001, 6011 : 2SC1740S_S
1.1V
10
1.0V
NF 7
GND
-0.3V
IN
-B1
+B1
+B
-B 1
IDLING
ADJ.
R6042
2K
-0.4V
10
Q6002, 6012 : 2SC1740S_S
P5503A
JL6603A P6600A
SP. TERMINAL PCB
AMPLIFIER PCB
To NAAF-9424
SD-5 : H2
SD-1 : H5
C6035 R6135
R6133 C6033
473J 8.2 (1W)
473J
C6030 R6130 8.2 (1W)
473J 8.2 (1W) R6132
C6032
C6031 R6131 8.2 (1W) 473J
473J 8.2 (1W)
R6134 C6034
8.2 (1W) 473J
C6036 R6136
473J 8.2 (1W)
TX-SR606
D
54.5V
1.1V
Q6030
2SC5171
R6020
2.2
Q6050
(1/4W) 0.6V
R6080 LIST
R6140
0.22
22K
(1/4W)
IDLING
CHECK
P6080
R6100
0.22(5W)
ID+
ID-
Q6060
R6090
LIST
0.22
R617
(1/4W)
47K
-0.6V
Q6040 D6000 R61
2SA1930 47
D6000, 601
-54.5V
54.5V
Q6031
2SC5171
R6021
2.2
Q6051
(1/4W)
LIST
0.6V
R6081
0.22
R6141
(1/4W)
22K
IDLING
CHECK
P6081 R6101
0.22(5W)
ID+
ID-
R6091
Q6061
LIST
0.22
-0.6V
R617
(1/4W)
47K
Q6041 D6001 R61
-1.1V 2SA1930 47
D6001, 60
-54.5V
54.5V
Q6032
2SC5171
R6022
2.2
Q6052
(1/4W)
LIST
0.6V R6082
0.22
R6142
(1/4W)
22K
IDLING
CHECK
P6082
R6102
0.22(5W)
ID+
ID-
R6092 Q6062
LIST
-0.6V 0.22
R617
(1/4W)
47K
Q6042 D6002 R61
2SA1930 47
-1.1V
D6002, 601
-54.5V
P6901B
BLUE P6
To P6901A
To
P5507 P5509
R L
PCB HOLD
SP. TERMINAL PCB
To NATRM-
SD-5 : E3
J