Onkyo HT-R960 Service Manual page 7

A B
SCHEMATIC DIAGRAMS-2 (SD-2)
POWER AMPLIFIER SECTION
<Note>
1 1. NC = No mount of parts.
2. SD-x : XY is short for Schematic Diagrams-x and each sockets location, X = A to H, Y = 1 to 5.
Refer to following table about the parts displayed by mark " LIST ".
MODEL No.---> TX-SR506 HT-R518 HT-R560 TX-SR576
MDD, MPP, MGK, MWT, MDD, MPP MDD,
MPP
TYPE--->
MDC MPB MGQ, MWO, MDC MDC,
MGR MWF
MPA
A
Yes None Yes
Q6050 - 6052 MN130S 2SC5198 MN130S 2SC5242 2SC5242 MN130S
Q6060 - 6062 MP130S 2SA1941 MP130S 2SA1962 2SA1962 MP130S
Q6053 - 6054 MN130S 2SC5198 MN130S 2SC5242 MN130S
2SC5242
KTC5242A KTC5242A KTC5242A
Q6063 - 6064 MP130S 2SA1941 MP130S 2SA1962 MP130S
2SA1962
KTA1962A KTA1962A
KTA1962A
Q6055 - 6056 2SC5198 2SC5198 2SC5198 None 2SC5242 2SC5198
MN130S MN130S MN130S
Q6065 - 6066 2SA1941 2SA1941 2SA1941 None 2SA1962 2SA1941
MP130S MP130S MP130S
2
C6901, 6902 8200/63 10000/69 10000/63
Q5050 - 56 2SC1815 2SC2240 2SC2240
R5160 - 5166 100(1/4W) 150(1/4W) 150(1/4W)
100(1/4W) 150(1/4W)
R5170 - 5176 150(1/4W)
R6070 - 6072 82(1/4W) 120(1/4W) 120(1/4W)
R6073 - 6076 100(1/4W) 120(1/4W) 120(1/4W)
R6710 5.6K 5.6K 4.7K
AUDIO ANALOG SIGNAL
FRONT L
FRONT R
GNDS1
SD-1 : F5
+22V
AMPLIFIER PCB
To NAAF-9419(1/2)
VOLH
SD-1 :G1 SEC1H
Q6701, 6702 : 2SC2712-GR
3
PROTECT
D6701, 6702 : KDS4148U
R6701
22K
Q6703
2SA1163-BL
0V
4
YELLOW
P6903B S1H+
BLACK
P6900B
TRANS. SEC. TERMINAL PCB
To NAPS-9420
GREEN
P6904B
S1H-
SD-5 : D3
F6901
10A 125V
1
2
3
4
5
5
F6902
10A 125V
C
+61.0V
C
Center ch
Q5000, 5010 : 2SC2240
C5010
R5000
1K 47/50 R5020
+
330 -0.65V
R5050
HT-R667 HT-R960 4.7K
MPP
MDD MDC MPP
-56.0V
Yes Yes Yes
2SC5198 2SC5242 2SC5242
2SA1941 2SA1962 2SA1962
2SC5198 2SC5242 2SC5242
-61.0V
2SA1941 2SA1962 2SA1962
+61.0V
L
2SC5198 2SC5242 2SC5242
Front Left ch
2SA1941 2SA1962 2SA1962
10000/63 10000/63 10000/69
Q5001, 5011 : 2SC2240
2SC1815 2SC1815 2SC2240
100(1/4W) 100(1/4W) 150 (1/4W)
R5001 C5011
47/50
1K R5021
+
100(1/4W) 100(1/4W) 150 (1/4W)
330 -0.65V
82(1/4W) 82(1/4W) 120 (1/4W)
R5051
100(1/4W) 100(1/4W) 100(1/4W)
4.7K
5.6K 5.6K 4.7K
-56.0V
-61.0V
+61.0V
R
Front Right ch
+62.0V
Q5002, 5012 : 2SC2240
R5002 C5012
1K 47/50 R5022
+
-0.65V
330
Q6702 Q6701
R5052
4.7K
0V
-56.0V
-61.0V
VOLH
VPRO
0V
IPRO
R6902
SEC1H
Q6707
1K +2.1V
2SC2712-GR P6901A
+62.0V
RL6901
D10XB60H
D6901
GND
RL6902
S1L+
-62.0V
D10XB60H
D6903
P6902A
To P6902B
S1L-
AMPLIFIER PCB
To NAAF-9419(1/2)
SD-1 : F5
D E
Q6000 - 6010 : 2SC1740S-S
R5180
+62.0V
R6020
10 To P6901A
2.2 (1/4W)
(1/4W) +1.1V Q6030
2SC5171
IPRO
R6080
+60.0V
Q6050
+1.0V 0.22
(1/4W) LIST
+0.6V Q6070
R6140
2SC2240
22K
R5030
IDLING
120K
-0.3V
CHECK
0V SPC
P6080 R6100
R5230
120K 0.22(3W)
ID+
ID-
IDLING
ADJ.
R6090
0.22
R6040
(1/4W) Q6060
2K
-0.6V
LIST
-0.4V
R6170
VPRO
47K R6180
VOLH
D6000 47K
Q6040
-1.1V 2SA1930
D6000, 6010 : KDS4148U
R5190
10 (1/4W)
-62.0V
Q6001, 6011 : 2SC1740S-S
R5181 +62.0V
10 (1/4W)
R6021
+1.1V Q6031
2SC5171
2.2 IPRO
+60.0V (1/4W)
+1.0V Q6051
R6081 LIST
+0.6V Q6071
R6141
0.22 2SC2240
22K
(1/4W)
R5031
IDLING
120K
-0.3V
CHECK
0V SPL
P6081
R5231 R6101
120K ID+ 0.22(3W)
ID-
IDLING
ADJ.
R6091
R6041 0.22
2K (1/4W) Q6061
-0.6V LIST
-0.4V
R6171
VPRO
47K R6181
VOLH
D6001 47K
Q6041
-1.1V 2SA1930
D6001, 6011 : KDS4148U
R5191
10 (1/4W)
-62.0V
Q6002, 6012 : 2SC1740S-S
R5182
+62.0V
10
(1/4W) +1.1V R6022
Q6032
2SC5171 IPRO
2.2
(1/4W) R6082
+60.0V
Q6052
+1.0V 0.22
(1/4W) LIST
+0.6V
Q6072
R6142
2SC2240
22K
R5032
IDLING
120K -0.3V
CHECK
0V SPR
P6082
R5232 R6102
120K
ID+ 0.22(3W)
ID-
IDLING
ADJ.
R6092
R6042 0.22
(1/4W) Q6062
2K
-0.6V LIST
-0.4V
R6172
VPRO
47K R6182
VOLH
D6002 47K
Q6042
-1.1V 2SA1930
D6002, 6012 : KDS4148U
R5192
10 (1/4W)
-62.0V
To P6901B
BLUE
To NAAF-9419 (1/2)
SD-1 : H5
P6911B
VOLH
IPRO
VPRO
SPEAKER TERMINAL PCB
To NATRM-9468
SD-5 : H2
JL6603A
WHITE
SPEAKER TERMINAL PCB
To NATRM-9468
SD-5 : E3
JL6600A
1 SPSBL
2 SPSL
3 SPL
4 SPC
5 SPR
6 SPSR
7 SPSBR
F G
U01
P6901B
BLUE P6902B
R5183 Q6003, 6013 : 2SC1740S-S
+61.0V
SL
WHITE 10 (1/4W)
+1.1V
Sorround Left ch
To P6902A
+60.0V
Q5003, 5013 : 2SC2240
R5033
C5013 120K
R5003
1K 47/50 R5023
0V
+
330 -0.65V R5233
120K
R5053
4.7K
-56.0V
-1.1V
R5193
10 (1/4W)
-61.0V
Q6004, 6014 : 2SC1740S-S
SR R5184
+61.0V
10 (1/4W)
+1.1V
Sorround Right ch
+60.0V
Q5004, 5014 : 2SC2240
R5034
C5014 120K
R5004
47/50
1K R5024
+ 0V
330
-0.65V R5234
120K
R5054
4.7K
-56.0V
-1.1V
R5194
10 (1/4W)
-61.0V
R5185 Q6005, 6015 : 2SC1740S-S
+61.0V
SBL
10 (1/4W)
+1.1V
Sorround Back
Left ch +60.0V
Q5005, 5015 : 2SC2240
R5035
120K
R5005 C5015
1K 47/50 R5025
0V
+
330 -0.65V R5235
120K
R5055
4.7K
-56.0V
-1.1V
R5195
10 (1/4W)
-61.0V
Q6006, 6016 : 2SC1740S-S
SBR R5186
+61.0V
10 (1/4W)
+1.1V
Sorround Back
Right ch
+60.0V
Q5006, 5016 : 2SC2240
R5036
120K
R5006 C5016
47/50
1K R5026
+ 0V
330 R5236
-0.65V
120K
R5056
4.7K
-56.0V
-1.1V
LIST
R5196
10 (1/4W)
A
-61.0V
HT-R960
H
NAAF-9419 (2/2)
AMPLIFIER PC BOARD
+62.0V
R6023
Q6033
2SC5171
IPRO
2.2
(1/4W) R6083
+1.0V Q6053
0.22
(1/4W) LIST
+0.6V Q6073
R6143
2SC2240
22K
IDLING
-0.3V
CHECK
SPSL
P6083
R6103
ID+ 0.22(3W)
ID-
IDLING
ADJ.
R6093
R6043 0.22
(1/4W)
2K Q6063
-0.6V LIST
-0.4V
R6173
VPRO
47K R6183
VOLH
D6003 47K
Q6043
2SA1930
D6003, 6013 : KDS4148U
-62.0V
+62.0V
R6024
2.2 (1/4W)
Q6034
2SC5171
IPRO
R6084
Q6054
+1.0V 0.22
(1/4W) LIST
+0.6V Q6074
R6144
2SC2240
22K
IDLING
-0.3V
CHECK
SPSR
P6084
R6104
ID+ 0.22(3W)
ID-
IDLING
ADJ. R6094
0.22
R6044
(1/4W) Q6064
2K
-0.6V
LIST
-0.4V
R6174
VPRO
47K R6184
VOLH
47K
Q6044 D6004
2SA1930
D6004, 6014 : KDS4148U
-62.0V
+62.0V
R6025 Q6035
2SC5171
IPRO
2.2
R6085
(1/4W)
+1.0V Q6055
0.22
(1/4W) LIST
Q6075
+0.6V
R6145 2SC2240
22K
IDLING
-0.3V CHECK
SPSBL
P6085
R6105
ID+ 0.22(3W)
ID-
IDLING
ADJ. R6095
0.22
R6045
(1/4W) Q6065
2K
-0.6V LIST
-0.4V
R6175
VPRO
47K R6185
VOLH
47K
D6005
Q6045
2SA1930
D6005, 6015 : KDS4148U
-62.0V
+62.0V
R6026
Q6036
2.2 2SC5171 IPRO
(1/4W)
+1.0V Q6056
R6086 LIST
+0.6V Q6076
0.22 R6146 2SC2240
22K
(1/4W)
IDLING
-0.3V
CHECK
SPSBR
P6086
R6106
ID+ 0.22(3W)
ID-
IDLING
ADJ.
R6096
0.22
R6046
(1/4W) Q6066
2K
-0.6V LIST
-0.4V
R6176
VPRO
47K R6186
VOLH
D6006 47K
Q6046
2SA1930
D6006, 6016 : KDS4148U
-62.0V