Onkyo TXSR-805 Schematic
TX-SR805/SA805
A
BLOCK DIAGRAM-1
AUDIO SECTION
AM ANTENNA
1
(DC Type Only)
2
TUNER
(TX-SA805 Only)
XM
Sirrus
CD
PHONO
TAP E
TAPE OUT
AUX 1
GAME/TV
FM
ANTENNA
L
R
L
R
L
R
L
R
L
R
L
R
L
R
TUNER UNIT
TX-SR805 Only
.
.
BCDEFGH
Analog Switch Array
TC94A46CFG
ch2
ch1
ch6
ch4
ch3
ch7
ch5
ch8
ch9
ch10
Q4029
MAIN A
MAIN B
Z2
Z3
0dB -6dB
video REC
-6dB
RL
0dB
MCH SR
NJU7312A
MAIN L
DAC FL
MIX L
MAIN R
DAC FR
MIX R
MCH C
DAC C
MCH SW
DAC SW
MCH SL
DAC SL
Q4304
VIDEO IN
.
.
AUX 2
R
.
RIAA
.
L
SETUP MIC
1
2
3
NJU7312A
CBL/SAT
VCR/DVR OUT
3
VCR/DVR IN
DVD
MULTI CHANNEL INPUT
4
IN 1
IN 2
IN 3
HDMI
IN 4
OUT
OPTICAL IN 1
OPTICAL IN 2
DIGITAL IN
(FRONT)
OPTICAL OUT
5
<Note>
Refer to SCHEMATIC DIAGRAM-9 and -17 (SD-9 and SD-17)
for digital audio signal flow wave forms.
COAX IN 1
COAX IN 2
COAX IN 3
FL
FR
SW
SL
SR
SBL
SBR
L
R
L
R
Q4305
NJU7313A
L
R
L
R
ch11
ch12
ch14
ch13
V_OUT_L
V_OUT_R
Q4305 NJU7313A
DAC_FL
DAC_FR
DAC CT2
DAC SW2
DAC_CT
DAC_SW
DAC_SL
DAC_SR
DAC_SBR
DAC_SBL
MCH_CT
MCH_SR
MCH_SL
MCH_SW
MCH_SBR
MCH_SBL
C
I2S
HDMI
I/F
I2S
(DVD audio,etc)
SPDIF
Q3001
TC74VHC157FT
DSD
TC74VHC157FT
MULTIPLEXER
FLASH ROM
SD_RAM
I2S/DSD
1st DSP Q3401 TMS320D790E001BZDH275
2nd DSP Q3501 TMS320D788E001BRFP266
3rd DSP Q3601 TMS320D707E001BRFP250
RX0
RX5
RX6
RX7
-6dB
-6dB
DSP BLOCK
DSD
ADC
DIR
Q3041
CS42516
I2S
Q4304
NJU7312A
Q4405
CS3318
HEADPHONES
1
2
3
7 CH
POWER
AMPLIFIERS
+29dB
TX-SR805/SA805
SPEAKER TERMINALS
FRONT LEFT
Q4306
NJU7311A
0dB FIX
0dB FIX
Q4204
R2S15211FP
TONE
TONE
FL
FR
C
SL
SR
SBL
SBR
+20dB
0dB FIX
0dB FIX
SW
+29dB
+29dB
+29dB
+29dB
+29dB
FRONT RIGHT
CENTER
SURR LEFT
SURR RIGHT
SUUR BACK
or Bi-AMP LEFT
+29dB
SUUR BACK
or Bi-AMP RIGHT
ZONE2 LEFT
ZONE2 RIGHT
.
ZONE2 PREOUT/LINEOUT
L
R
PRE OUT
L
FRONT
R
CENTER
ZONE3 PREOUT/LINEOUT
L
R
SUBWOOFER
L
SURR
R
L
SURR
BACK
R
FL
PCM1796
Q3701
DAC
12V TRIGGER
CONTROL
FR
C
PCM1796
SW
Q3721
DAC
.
TC74VHC157FT MULTIPLEXER
SL
Q3741
PCM1796
DAC
.
SR
SBL
PCM1796
Q3761
DAC
.
SBR
C2
Q3781
PCM1796
DAC
.
SW2
MAIN MICROPROCESSOR
IR
REMOTE
SENSOR
RI
INTERFACE
RS-232
INTERFACE
Q7001
M3087BFKBGP
12V TRIGGER OUT
/ZONE 2
IR IN
IR OUT
RI
RS-232C
TX-SR805/SA805
A
BLOCK DIAGRAM-2
VIDEO SECTION
1
COMPONENT VIDEO
IN 1
IN 2
2
IN 3
COMPOSITE VIDEO
3
Y
CB
CR
Y
CB
CR
Y
CB
CR
DVD
VCR/DVR
CBL/SAT
GAME/TV
AUX 1
AUX 2
(FRONT)
BCDEFGH
VIDEO BOARD
NAVD-9052(SD-6)
74HC4051
MAIN
Z2
Q2012,Q2013
LPF(12MHz)
LPF(6MHz)
NJM2587
6dB DRV
6dB DRV
Q2201
NJW1321
C-DET
.
6dB
6dB
6dB
6dB
6dB
6dB
Y
.
.
CB
.
.
CR
.
HDAPY
HDAPB
HDAPR
MMP
Y
CB
CR
S VIDEO INPUT
C
Y
DVD
VCR/DVR
YC
4
CBL/SAT
YC
C
Y
GAME/TV
AUX 1
AUX 2
(FRONT)
YC
YC
NOTE
MMP is short for MAIN MICROPROCESSOR.
5
<Note>
Refer to SCHEMATIC DIAGRAM-6, -15 and -17 (SD-6, SD-15 and SD-17)
for video and HDMI signal waveforms.
MAIN
Z2
MAIN
Z2
LPF(12MHz)
LPF(6MHz)
LPF(12MHz)
BPF(140K-6MHz)
6dB DRV
6dB DRV
6dB
6dB DRV
S-DET
MMPV
Z2 S-DET
MMPV
DRV
MM1512
6dB DRV
TX-SR805/SA805
MMP
Q2206
NJM2586A
100MHz -3dB
6dB
6dB
6dB
VMUT
COMPONENT VIDEO
Y
CB
MONITOR OUT
CR
MMP
HDBPY
HDBPB
HDBPB
Y
CB
CR
24MHz MAX
Q2012,Q2013
NJM2587
Y
CB
CR
HDMI BOARD
NAHDM-9107
(SD-15, 16)
Y
C
75
75
75
75
75
HDASY
HDASC
CVBS
HDACV
12MHz MAX
75
CVBS
HDBCV
HDBSC
Y
HDBSY
C
LPF(12MHz)
LPF(12MHz)
LPF(12MHz)
6dB DRV
6dB DRV
6dB DRV
COMPOSITE VIDEO
MONITOR OUT
LPF(6MHz)
DRV6dB
VCR/DVR OUT
CONTROL
NJU7312AM
VCL
VDATA
VSTB
CONTROL
NJU7313AM
VCL
VDATA
VSTB
MMP
LPF(6MHz)
BPF(140K-6MHz)
6dB DRV
6dB DRV
C
Y
MONITOR OUT
C
Y
VCR/DVR OUT
COMPOSITE VIDEO
S VIDEO OUTPUT
ZONE2 OUT
TX-SR805/SA805
A
SCHEMATIC DIAGRAM-1 (SD-1)
AUDIO SECTION-1
L
CD
P4001
R
L
P4003
R
L
R
L
R
L
P4004
R
L
R
L
R
L
P4005
R
L
R
L
R
L
P4006
R
L
P4007
R
L
R
1
TUNER
(TX-SA805 Only)
TAPE OUT
2
TAP E
AUX1
GAME/TV
3
CBL/SAT
VCR/DVR OUT
VCR/DVR IN
4
DVD
FRONT
CENTER
SUB WOOFER
MULTI CH
INPUT
5
SURROUND
SURROUND
BACK
BCDEFGH
NAASP-9050(1/2)
47/50
330
TX-SA805 Only
C4087
102J
C4088
102J
C4089
102J
102J
C4090
R4103
R4104
R4001
330
R4002
R4005
330
330
R4006
R4009
330
330
R4010
R4017
330
R4018
R4021
330
330
R4022
R4025
330
330
R4026
R4013
47
47
R4014
R4029
R4030
R4033
330
330
R4034
R4600
330
330
R4601
R4602
330
330
R4603
R4604
330
R4605
R4606
330
R4607
330
330
330
330
330
330
330
221J
221J
221K
221K
221J
221J
221J
221J
221J
221J
221J
221J
221J
221K
221K
221J
221J
221J
221J
221J
221J
221J
221J
C4073
C4074
C4001
C4002
C4003
C4004
C4005
C4006
C4009
C4010
C4011
C4012
C4013
C4014
C4007
C4008
C4015
C4016
C4017
C4018
C4600
C4601
C4602
C4603
C4604
C4605
C4606
C4607
C4075
56K
R4105
56K
R4106
47/50
C4076
C4019
47/50
56K
R4003
56K
R4004
47/50
C4020
R4041
10
221J
220K
R4007
221J
220K
R4008
10
R4042
C4023
47/50
56K
R4011
56K
R4012
47/50
C4024
C4027
47/50
56K
R4019
56K
R4020
47/50
C4028
C4031
47/50
56K
221J
R4023
56K
221J
R4024
47/50
C4032
C4035
47/50
56K
R4027
56K
221J
R4028
47/50
C4036
R4051
10
220K
R4015
220K
R4016
R405210R4054
C4039
47/50
56K
R4031
56K
R4032
47/50
C4040
C4043
47/50
56K
R4035
56K
R4036
47/50
C4044
C4610
47/50
56K
R4610
56K
R4611
47/50
C4611
C4612
47/50
56K
R4612
56K
R4613
47/50
C4613
C4614
47/50
56K
R4614
56K
R4615
47/50
C4615
C4616
47/50
56K
R4616
56K
R4617
47/50
C4617
R4107
R4108
R4037
R4038
R4047
R4048
R4057
R4058
R4061
R4062
R4065
R4066
R4069
R4070
R4073
R4074
R4620
R4621
R4622
R4623
R4624
R4625
R4626
R4627
220K
220K
220K
220K
R4043
R4044
220K
220K
220K
220K
220K
220K
220K
220K
R4053
220K
220K
220K
220K
220K
220K
220K
220K
220K
220K
220K
220K
5
6
2
3
5
6
2
3
100
5
6
2
3
5
6
2
3
5
6
2
3
5
6
2
3
100
5
6
2
3
5
6
2
3
5
6
2
3
5
6
2
3
5
6
2
3
5
6
2
3
8
Q4016B
Q4016A
4
8
Q4001B
Q4001A
4
100
8
4
8
4
8
4
8
4
100
8
4
8
Q4015B
Q4015A
4
8
Q4040B
Q4040A
4
8
Q4041B
Q4041A
4
8
Q4042B
Q4042A
4
8
Q4043B
Q4043A
4
NE5532
NE5532
NE5532
NE5532
NE5532
Q4002B
NE5532
Q4002A
Q4011B
NE5532
NE5532
Q4011A
Q4012B
NE5532
NE5532
Q4012A
Q4013B
NE5532
NE5532
Q4013A
NE5532
Q4014B
Q4014A
NE5532
NE5532
NE5532
NE5532
NE5532
NE5532
NE5532
NE5532
NE5532
NE5532
NE5532
AMPLIFIER PC BOARD
U06
7
1
22(1/2W)
+14.4V
220
R4046
220
R4045
220
220
R4632
R4633
R4634
R4635
R4636
R4637
220K
220K
220K
220K
220K
220K
R4115
R4116
22(1/2W)
22(1/2W)
R4117
C4083
R4118
22(1/2W)
+14.4V
22(1/2W)
R4119
C4085
22(1/2W)
R4120
C4081
100/50
100/50
100/50
-14.4V
-14.4V
7
1
7
1
7
1
7
1
7
1
R4055
R4056
7
1
7
1
7
1
C4622
7
47/50
47/50
1
C4623
C4624
7
47/50
47/50
1
C4625
C4626
7
47/50
47/50
1
C4627
NAASP-9051
1K
R4077
221K
C4091
P4001
L
R
PHONO
221K
1K
R4078
XM_R
XM_L
MCH_C
MCH_SW
MCH_SL
MCH_SR
MCH_SBL
MCH_SBR
40
MONO
39
SUBL
38
SUBR
37
ADCR
36
ADCL
35
FRIN2
34
FLIN2
33
SRIN2
32
SLIN2
31
SWIN2
30
CIN2
29
SBRIN2
223J
28
SBLIN2
C4228
27
C4230
823J
25
R4254
C4232
1.8K
474J
R4079
C4055
221K
R4080
C4056
41
AVCC23TRE_L22BASS_L2
24
223J
U07
2SC2240-BL
R4089
220
3.3K
R4175
R4081
C4175
2.7K(1/2W)
152J
Q4017
C4057
47/50
1K
56K
9
8
7
56K
42
C4227
43
C4229
823J
P4030A
CLOCK
41 DGND
44
27 TRE_R
26 BASS_R2
25 BASS_R1
21
R4253
220K
C4177
R4085
R4177
221J
22K
C4059
47/50
P4030B
R4083
9
8
UDZS5.6B
UDZS5.6B
7
R4084
22K
47/50
C4060
221J
C4178
R4086
220K
R4178
1K
C4058
47/50
Q4018
2SC2240-BL
C4176
152J
R4082
R4176
220
2.7K(1/2W)
+15V
R4090
3.3K
5NC4
3NC2
1
80
79
NC
S06
S05
78
S03
80 S04
77
NC
79 NC
76
S02
75
NC
74
S01
73
NC
72
NC
71
S01
70
NC
69
S02
68
66 NC
NC
67
65 S04
S03
66
65
S0562NC61S0660NC59S0758NC57S0856NC55S0954NC53S1052NC51S1150NC49S1248NC47S1346NC
64NC63
R4256
10K
R4255
10K
52
51
50
49
48
47
46
45
INL3
INL2
INL1
INR4
INR3
INR2
INR1
AVEE
Q4204
R2S15211FP
SELECTOR
42 DATA
VOL, TONE
BASS_L1
FROUT18AGND17FLOUT16FLC156-C
6-OUT
FRC
14
20
19
13
47/50
C4231
C4233
C4236
47/50
C4234
474J
C4214
47/50
C4213
47/50
47/50
1.8K
PHONO PC BOARD
2SC2240-BL
R4091
3.3K
Q4019
220
R4133
Q4021
2SC2712
2.7K
D4001
R4087
2.7K
R4088
D4002
2SC2712
Q4022
2SC2240-BL
220
R4134
R4136
R4092
3.3K
9NC8
7NC6
S08
S07
TC94A46CFG
ANALOG SW ARRAY
55
54
53
INL5
INL4
INR6
INR5
65 INRB/RECR2
66 INLB/RECL2
67 INR10/RECR4
68 INL10/RECL4
69 INR11/RECR5
79 SBLIN1
80 SBRIN1
AGND125-OUT
4-C
5-C
11
10
C4235
47/50
NE5532
8
Q4023A
5
7
4
6
470K
R4093
R4095
C4063
682J
220
R4135
820
R4097
C4061
220/25
C4062
220/25
820
682J
C4064
220
R4098
470K
Q4020
R4096
2
1
3
Q4023B
NE5532
15NC14
13NC12
11NC10
S11
S12
S10
S09
Q4029
62
61
60
59
58
57
56
INL8
INL7
INL6
INR8
INR7
INLA/RECL1
INRA/RECR1
INL11/RECL5
4-OUT8AGND73-OUT63-C52-C42-OUT3AGND21-OUT11-C
9
C4240
C4238
C4237
47/50
47/50
47/50
+14.0V
39K
C4065
182J
-14.0V
182J
C4066
39K
1.2K
C4068
17NC16
64
63
INR9
RECR3
RECL3
FLIN1
FRIN1
CIN1
SWIN1
SLIN1
SRIN1
22/50
C4067
GND
R4094
22/50
R4180
19NC18
S13
25 NC
26 COM3
27 NC
38 NC
39 COM3
40 NC
INL9
C4239
TX-SR805/SA805
<Note>
SD-x:XY is short for Shcematic Diagram-x and
each socket's location, X=A to H, Y=1 to 5.
+14.0V
820
22/50
C4067
R4099
1.2K
R4179
39K
C4065
182J
-14.0V
GND
182J
C4066
39K
R4094
22/50
820
1.2K
R4180
R4100
C4068
21NC20
19NC18
17
NC
S14
S13
25 NC
26 COM3
27 NC
38 NC
39 COM3
40 NC
S1346NC45S1444NC43COM142NC41COM2
48NC47
222J
23NC22
COM1
VSS
CS1
GND
DATA
STB
CS2
VDD
C4069
C4070
NC
CK
NC
24
R4101
222J
R4102
25
26
27
COM2
28
29
30
31
32
33
34
35
36
37
38
39
40
100(1/2W)
R4113
C4079
220/25
220K
220/25
C4080
R4114
100(1/2W)
220K
10K
10K
R4130
R4129
R4131
10K
P4030B
6
5
4
3
2
1
P4030A
6
5
4
3
2
1
-14.4V
+14.4V
C4101
47/50
47/50
C4102
C4105
47/50
47/50
C4106
R4151
R4152
R4155
R4156
220K
220K
220K
220K
3
2
6
5
3
2
6
5
NE5532AP
8
Q4030A
Q4030B
4
NE5532AP
NE5532AP
8
Q4031A
Q4031B
4
NE5532AP
C4103
1
47/50
220K
R4153
47/50
7
220K
R4154
C4104
R4161
NE5532AP
C4107
1
47/50
220K
R4157
220K
47/50
R4158
7
C4108
-14.4V
+14.4V
-14.4V
22(1/2W)
R4128
C4094
100/50
22(1/2W)
R4127
+14.4V
10K
R4159
10K
R4160
10K
10K
R4162
-15VCD
NAASP-9080
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
P4032A
P4032B
2
3
5
6
R4171
100K
R4165
8
Q4032A
Q4032B
4
NE5532AP
R4166
100
100
1
7
R4168
R4167
C4111
47/50
47/50
C4112
100K
100K
C4201
47/50
47/50
C4202
C4205
47/50
47/50
C4206
R4163
220K
R4164
220K
R4170
100
47/50
C4120
C4119
47/50
R4201
R4202
R4205
R4206
R4124
2.2K
2.2K
R4123
MCH_SW
MCH_SL
MCH_SR
MCH_SBL
MCH_SBR
TAPEOUTL
TAPEOUTR
VIDEOOUTL
VIDEOOUTR
220K
220K
220K
220K
SELCLK
SELSDO
SELSTB
MCH_C
Z2VOLSDO
Z2VOLCLK
VIDEO5L
VIDEO5R
TX-SR805 Only
Q4025
RN1441
RN1441
Q4026
R4169
47K
220K
R4126
220K
R4125
U32
AMPLIFIER PC BOARD
NE5532AP
3
8
C4203
1
2
47/50
220K
Q4201A
R4203
Q4201B
6
47/50
R4204
7
220K
5
C4204
NE5532AP
4
NE5532AP
3
8
C4207
1
2
47/50
220K
Q4202A
R4207
Q4202B
6
47/50
7
220K
5
4
NE5532AP
C4208
R4208
R4122
0
0
R4121
MainAL
MainAR
MainBL
MainBR
BTLL
BTLR
TUMUTE
TU_R
TU_L
XM_R
XM_L
SR_R
SR_L
SD-2
TO NAASP-9050(2/2)
63
INR9
RECR3
RECL3
FLIN1
FRIN1
SWIN1
SLIN1
SRIN1
1-OUT11-C
2
64
CIN1
INL9
47/50
C4239
+15V
-15V
PZ2L
PZ2R
GND
Z3MUTE
Z2MUTE
R4257
220K
220K
R4258
Z2R
65
Z2L
66
67
68
69
70
71
72
73
74
75
Z3L
76
Z3R
77
78
79
80
+6.9V
-6.9V
220/25
C4295
220/25
C4296
2SC2120
Q4291
47/50
C4293
47/50
C4294
2SA950
Q4292
R4293
D4291
D4292
R4294
1.5K
1.5K
+14.4V
47(1/2W)
R4291
C4291
220/25
C4292
220/25
47(1/2W)
R4292
UDZS7.5B
UDZS7.5B
-14.4V
1
2
3
4
5
6
7
8
9
10
11
12
13
P4033B
P4033A
1
2
3
4
5
6
7
8
9
10
11
12
13
47/50
C4219
47/50
C4220
47/50
C4215
47/50
C4216
220K
220K
220K
220K
R4231
220
R4229
R4230
220
R4232
R4219
220
R4217
R4218
220
R4220
Q4209
RN1441
RN1441
Q4210
RN1441
RN1441
R4221
Q4205
Q4206
R4222
R4235
R4233
100
10
Q4211
RN1441
RN1441
Q4212
10
100
R4236
R4234
R4223
Q4207
100
100
RN1441
RN1441
Q4208
10
10
R4224
220K
220K
220K
220K
R4237
R4238
R4225
R4226
221J
221J
221J
221J
R4239
47
C4221
C4222
47
R4240
R4227
47
C4217
C4218
47
R4228
102J
C4243
P4008
L
ZONE 3 PRE OUT/LINE OUT
R
L
ZONE 2 PRE OUT/LINE OUT
R
SD-2
TO NAASP-9050(2/2)
TX-SR805/SA805
A
SCHEMATIC DIAGRAM-2 (SD-2)
AUDIO SECTION-2
1
2
3
4
NAASP-9050(2/2)
VIDEO5L
-15V
MainAL
GND
MainAR
+15V
VIDEO5R
TO NAASP-9050(1/2) SD-1
MCH_C
MCH_SL
MainBL
TAPEOUTL
VIDEOOUTL
10
9
8
7
6
5
4
3
2
-15V
SD-14:F2
1
+15V
P4110
TO NAETC-9073
10
9
8
7
6
5
4
3
2
SD-14:H2
1
P4 111
TO NAETC-9073
PZ2L
BTLL
BTLR
MCH_SBR
PZ2R
TO NAASP-9050(1/2) SD-1
VIDEOOUTR
TAPEOUTR
MainBR
MCH_SR
MCH_SW
MCH_SBL
BCDEFGH
AMPLIFIER PC BOARD
U06
22(1/2W)
-14.4V
R4331
10K
R4332
R4302
100/50
C4302
22(1/2W)
R4301
+14.4V
C4319
102J
R4335
10K
2
4
1
3
C4321
47/50
Q4303A
NE5532AP
220K
R4347
220K
R4348
NE5532AP
5
Q4303B
6
7
C4322
10K
10K
R4336
C4320
102J
47/50
8
R4303
R4307
R4311
R4312
R4308
R4304
12K
12K
180
180
+14.4V
1.5K
R4305
R4309
12K
R4313
2.2K
FL
-14.4V
Q4304
NJU7312A
ANALOG SW
+14.4V
R4314
12K
R4310
R4306
-14.4V
Q4305
NJU7313A
ANALOG SW
-14.4V
Q4306
NJU7311A
+14.4V
2.2K
1
VEE
VDDR1R2
2.2K
2.2K
1.5K
FR
34567
1
2
L1
VEE
VDDR1R2R3R4
34567
1
2
L1
L2
VEE
R2R1VDD
27
30
28
29
R-COC1
L3L2L1
L-COM1
R3
R-COM1
L4L3L2
L3
L-COM1
R3
R4R5R6
L-COM1
L5
R-COM1R5R6
L4
L-COM2
R4
R-COM2
L6L5L4
8
L6
8
L5
R5
R-COM2
L-COM2
9
9
L8
L7
L-COM2
R7
R8
R-COM3
L-COM3
1011121314
L8
L7
R-COM2R7R8
1011121314
L6
L7
L-COM3
R7
R6
R-COM4
R-COM3
NC
L-COM3
NC
NC
R-COM3NCDATA
NC
L-COM4
NC
ST
VSS
DATA
CK
15
ST
VSS
CK
161718192021222324252627282930
15
ST
VSS
CK
DATA
1617181920212223242526
R4345
R4337
R4338
10K
R4339
10K
R4340
10K
10K
R4341
10K
R4342
R4343
10K
ANALOG SW
R4344
10K
10K
-14.4V
47/50
C4315
MIXL
10K
MIXR
+14.4V
-8.5V
Q4401
2SA950
R4403
220K
R4329
220K
R4330
C4316
47/50
2SC2712
Q4403
2.2K
R4401
22(1/2W)
_FR
_SL
_FL
_SBL
_SBR
_SR
_C
_SW
220/25
C4405
330
R4405
UDZS9.1B
C4401
100/25
Q4302A
NE5532AP
NE5532AP
Q4302B
47/50
C4403
D4401
5
MIC
ADL
Z2VOLCLK
Z2VOLSDO
Z2MUTE
TUMUTE
RECMUTE
Z3MUTE
26
TO NAAR-9075
TU_L
TU_R
XM_L
SR_L
SD-8:F4
SR_R
XM_R
SELSTB
GNDXM
SELSDO
SELCLK
ADR
AUX2_L
GNDAUX2
AUX2_R
-15VA
P4020A
+15VA
GNDA
GNDA
12345678910111213141516171819202122232425
GNDA
26
DACSL
DACSR
DACC
DACSW
ASWSTB
AMUTE
ASWSDO
ASWCLK
DACFL
DACFR
DACSBL
DACSBR
DACSWR
DACCR
SBZ2MUTE
TO NAAR-9075
VOLCS
VOLSDO
VOLCLK
VOLMUTE
VOLRST
SPRLF
HPRL
SPRLSB
P4021A
GNDDG
HPDET
12345678910111213141516171819202122232425
SD-8:G4
R4330
_FR
_SL
_FL
_SBL
_SBR
_SR
_C
_SW
220/25
C4405
330
R4405
UDZS9.1B
C4401
100/25
1
Q4302A
NE5532AP
NE5532AP
Q4302B
7
47/50
C4403
D4401
C4313
R4327
4
2
3
5
6
8
R4328
10K
C4314
47/50
C4404
D4402
UDZS9.1B
10K
220/25
C4406
2SA1162
C4402
100/25
102J
102J
Q4404
R4323
10K
R4324
10K
330
R4404
R4406
2.2K
R4321
10K
R4322
10K
C4413
10/50
R4407
1.2K(1/2W)
+8.5V
2SC2120
R4402
22(1/2W)
Q4301A
NE5532AP
NE5532AP
C4415
10/50
37
38
39
40
41
42
43
44
45
46
47
48
UDZ3.3B
Q4402
1
Q4301B
7
OUT3
REFO3
IN3
REFI3
REFI2
IN2
REFO2
OUT2
VA+
VAÂOUT1
REFO1
D4403
C4407
47/50
8
36
1
102J
C4311
R4319
10K
10K
102J
32
33
34
OUT4
REFO4
Q4405
CS3318
VOLUME
330
330
2.2K
R4409
R4408
VOLMUTE
VOLCLK
VOLRST
IN4
330
R4410
R4411
VOLSDO
29
30
REFI531REFI4
2.2K
R4412
VOLCS
R4315
R4316
28
IN5
REFO5
4
2
3
5
6
R4320
C4312
35
VA-
VA+
IN12REFI13RESET4MUTE5SCL/CCLK6SDA/MOSI7AD0/CS8ENOut9DGND
10K
10K
27
OUT5
10VD11
Down Mix
-8.5V
+8.5V
25
26
VA-
VA+
OUT6
REFO6
REFI6
REFI7
REFO7
OUT7
OUT8
REFO8
REFI812IN8
C4408
C4409
C4410
C4411
C4412
TX-SR805/SA805
<Note>
SD-x:XY is short for Shcematic Diagram-x and
HEADPHONE AMP
+14.4V
1.8K
R4501
1.8K
100/50
C4417
2
R4417
18K
C4650
47/50
C4654
47/50
47/50
C4656
47/50
47/50
1.8K
R4418
C4651
47/50
C4652
47/50
220K
220K
R4504
3
102J
C4419
R4503
2.2K
2.2K
Q4406A
NE5532AP
3
2
6
5
R4416
2.2K
R4505
R4506
8
NE5532AP
4
R4507
C4503
Q4505B
NE5532AP
R4650
220K
R4640
220K
R4641
R4651
R4652
220K
R4642
220K
R4643
R4653
R4654
220K
R4644
220K
R4645
R4655
R4656
220K
R4646
220K
R4647
R4657
C4501
47/50
-14.4V
R4502
C4502
22(1/2W)
R4419
R4420
22(1/2W)
10/50
C4416
24
23
22
IN6
21
20
19
IN7
18
17
16
VA-
15
VA+
14
13
10/50
C4414
104Z
101J
101J
101J
101J
+14.4V
47/50
C4653
220K
5
Q4406B
NE5532AP
47/50
47/50
R4415
418
6
7
C4420
C4655
C4657
Q4505A
5.6K
102J
102J
C4504
R4508
5.6K
220
220
220
220
220
220
220
220
1
7
D4505
D4506
220K
R4413
R4414
220K
Q4610
RN1441
RN1441
Q4611
Q4612
RN1441
RN1441
Q4613
Q4614
RN1441
RN1441
Q4615
Q4616
RN1441
RN1441
Q4617
R4509
D4501
D4503
D4507
R4511
R4512
D4508
1SS352
D4504
D4502
R4510
2.7K
1SS352
1SS352
2.7K
2.7K
1SS352
1SS352
2.7K
R4660
100
RN1441
RN1441
100
R4661
R4662
100
Q4622
RN1441
RN1441
Q4623
100
R4663
R4664
100
RN1441
RN1441
100
R4665
R4666
100
RN1441
RN1441
100
R4667
Q4501
47(1/2W)
R4515
R4516
47(1/2W)
R4514
Q4502
2SC2235-Y
2SC2235-Y
R4513
47(1/2W)
Q4503
2SA965-Y
Q4504
2SA965-Y
47(1/2W)
R4670
10
Q4620
Q4621
10
R4671
R4672
10
10
R4673
R4674
10
Q4624
Q4625
10
R4675
R4676
10
Q4626
Q4627
10
R4677
Q4506
R4518
RL4501
2
3
6
D4509
1SS352
C4505
2SC2712
100K
5
4
1
104
1.8K
R4517
R4519
P4100
P4101
5
2
4
1
1
3
6
5
2
4
7
7
3
6
8
8
each socket's location, X=A to H, Y=1 to 5.
39
1.8K
Q4407
2SC2712
C
SR
SBR
R
L
SBL
SL
104
+12.0V
C4423
1SS352
D4404
RL4401
12
1
9
4
1
9
4
1
9
4
1
9
4
220K
220K
220K
220K
220K
220K
1SS352
220K
220K
R4680
R4681
R4682
R4683
R4684
R4685
R4686
R4687
221J
221J
221J
221J
221J
221J
221J
221J
R4690
C4630
C4631
R4691
R4692
C4632
C4633
R4693
R4694
C4634
C4635
R4695
R4696
C4636
C4637
R4697
47
47
47
47
47
47
47
47
10
12
10
8
10
3
5
12
8
10
3
5
12
8
3
5
8
3
5
RL4402
RL4403
104
C4424
D4405
RL4404
R4421
C4421
102J
C4422
102J
HP_L
GND
HP_R
HPDET
GNDDG
Q4408
2SC2712
5
4
3
2
1
SD-13:G2
JL4013B
TO NADIS-9088(JL4103B)
1.8K
R4422
13
12
11
10
9
8
7
6
5
4
SD-5:A1
3
2
1
TO NAAF-9039
P5000
P4009
L
FRONT
R
CENTER
SUB WOOFER
P4010
L
SURROUND
R
L
SURROUND
BACK
R
PRE OUT
-14.4V
+12V
RLGND
GND
+15V
-15V
1
2
3
4
5
6
JL4014B
TO NATRM-9055
SD-7:C2
NOTE
THE COMPONENTS IDENTIFIED BY MARK ARE CRITICAL FOR SAFETY.
REPLACE ONLY WITH PART NUMBER SPECIFIED.
VOLTAGE (MEASURED WITH VOLTMETER) IS DC VOLTAGE.(NO INPUT SIGNAL).
ALL PNP TRANSISTORS ARE EQUIVALENT TO 2SA1015-GR UNLESS OTHERWISE NOTED.
ALL NPN TRANSISTORS ARE EQUIVALENT TO 2SC1815-GR UNLESS OTHERWISE NOTED.
ALL DIODES ARE EQUIVALENT TO 1SS133 UNLESS OTHERWISE NOTED.
ELECTROLYTIC CAPACITORS ( ) ARE IN uF/WV.
ALL CAPACITORS ARE IN pF/50WV UNLESS OTHERWISE NOTED.
EX) 030- 3pF, 330- 33pF, 331- 330pF, 333- 0.033uF
ALL RESISTORS ARE IN OHMS 1/4WATTS UNLESS OTHERWISE NOTED.
THE THICK LINES ON PC BOARD ARE THE PRINTING SIDE OF THE PARTS.
EX) PRINTING SIDE
CIRCUIT IS SUBJECT TO CHANGE FOR IMPROVEMENT.
!
TX-SR805/SA805
A
SCHEMATIC DIAGRAM-3 (SD-3)
POWER AMPLIFIER SECTION-1
1
2
3
4
5
NACLA-9064
U19
POWER AMP
PC BOARD
3
2
1
P5011A
SD-5:H3
TO NAAF-9039
FRONT R
NACLA-9069
U24
POWER AMP
PC BOARD
3
2
1
P5016A
SD-5:H2
TO NAAF-9039
SURROUND
BACK R
NACLA-9067
U22
POWER AMP
PC BOARD
3
2
1
P5014A
SD-5:H2
TO NAAF-9039
SURROUND
R
NACLA-9065
U20
POWER AMP
PC BOARD
3
2
1
P5012A
SD-5:H1
TO NAAF-9039
CENTER
P5021A
P5026A
P5024A
P5022A
R5001
C5021
221K
R5006
C5026
221K
R5004
C5024
221K
R5002
C5022
1K
1K
1K
1K
221K
C5011
+
47/50
MTZJ5.6B
D5001
C5016
+
47/50
D5006
MTZJ5.6B
C5014
+
47/50
D5004
MTZJ5.6B
C5012
+
47/50
D5002
MTZJ5.6B
R5011
+
C5051
R5016
+
C5056
R5014
+
C5054
R5012
+
C5052
10/50
10/50
BCDEFGH
R5071
56K
10/50
56K
56K
56K
10/50
330
1.8K
R5091
R5076
R5026
1.8K
R5096
R5074
R5024
R5094
1.8K
R5072
R5022
R5092
100K
R5021
-59.3V
R5291
100K
330
-59.3V
R5296
100K
330
-59.3V
R5294
100K
330
1.8K
-59.3V
R5292
+62.8V
2SC2240-BL
+52.7V
2SC2240-BL
100K
+62.8V
+52.7V
2SC2240-BL
100K
+62.8V
+52.7V
2SC2240-BL
100K
+62.8V
+52.7V
2SC2240-BL
100K
2.2K
R5111
Q5061
-0.6V
Q5001
330
R5031
-0.9V
-11.0V
2.2K
R5116
2SC2240-BL
Q5066
-0.6V
330
Q5006
-0.9V
R5036
-11.0V
2.2K
R5114
Q5064
2SC2240-BL
-0.6V
330
Q5004
-0.9V
R5034
-11.0V
2.2K
R5112
Q5062
2SC2240-BL
-0.6V
330
Q5002
-0.9V
R5032
-11.0V
120K
5.6K
120K
120K
120K
R5361
R5371
R5051
R5061
R5366
R5376
R5056
R5066
R5364
R5374
R5054
R5064
R5362
R5372
R5052
R5062
R5121
Q5071
+53.3V
560K
330
R5041
Q5021
2SC2240-BL
2.7K
R5126
+53.3V
560K
330
R5046
5.6K
Q5026
2SC2240-BL
2.7K
R5124
+53.3V
560K
330
R5044
5.6K
Q5024
2SC2240-BL
2.7K
R5122
+53.3V
560K
330
R5042
5.6K
Q5022
2SC2240-BL
2.7K
+64.8V
2.2K
+62.8V
2SC2240-BL
Q5011
2SC2240-BL
-64.8V
+64.8V
2.2K
+62.8V
Q5076
2SC2240-BL
Q5016
2SC2240-BL
-64.8V
+64.8V
2.2K
+62.8V
Q5074
2SC2240-BL
Q5014
2SC2240-BL
-64.8V
+64.8V
2.2K
+62.8V
Q5072
2SC2240-BL
Q5012
2SC2240-BL
-64.8V
C5041
C5046
C5044
C5042
+
220/25
+
220/25
+
220/25
+
220/25
R5141
R5281
R5171
R5146
R5286
R5176
R5144
R5284
R5174
R5142
R5282
R5172
820
+63.4V
Q5041
(1/2W)
10K
-63.3V
820
820
+63.4V
Q5046
(1/2W)
10K
-63.3V
820
820
+63.4V
Q5044
(1/2W)
10K
-63.3V
820
820
+63.4V
Q5042
(1/2W)
10K
-63.3V
820
R5131
(1/4W)
2SA949Y
22/63
+
R5151
C5081
R5161
(1/4W)
R5136
(1/4W)
2SA949Y
22/63
+
R5156
C5086
R5166
(1/4W)
R5134
(1/4W)
2SA949Y
22/63
+
R5154
C5084
R5164
(1/4W)
R5132
(1/4W)
2SA949Y
22/63
+
R5152
C5082
R5162
(1/4W)
820
R5181
33
Q5031
0.0V
(1/2W)
10K
1K
820
33
Q5036
0.0V
(1/2W)
10K
1K
820
R5184
33
Q5034
0.0V
(1/2W)
10K
1K
820
R5182
33
0.0V
(1/2W)
10K
1K
(1/4W)
(1/4W)
2SA949Y
+
(1/4W)
-B2R
(1/4W)
(1/4W)
R5186
2SA949Y
+
(1/4W)
-B2SBR
(1/4W)
(1/4W)
2SA949Y
10/100
+
C5074
(1/4W)
-B2SR
(1/4W)
(1/4W)
Q5032
2SA949Y
10/100
+
C5072
(1/4W)
-B2C
+B2R
+64.0V
C5111
10/100
C5071
101K
C5101
+B2SBR
+64.0V
C5116
C5076
10/100
101K
C5106
+B2SR
+64.0V
C5114
101K
C5104
+B2C
+64.0V
C5112
101K
C5102
010D
010D
18K
010D
18K
010D
R5301
R5211
R5221
R5331
R5216
R5226
R5336
R5304
R5214
R5224
R5334
R5302
R5212
R5222
R5332
82
(1/4W)
Q5051
18K
C5121
18K
Q5081
82
(1/4W)
R5306
Q5056
18K
C5126
C5136
Q5086
82
(1/4W)
82
Q5054
18K
C5124
C5134
Q5084
82
82
(1/4W)
Q5052
18K
C5122
18K
Q5082
82
(1/4W)
2SA1360Y
+
100/100
+
C5131
2SC3423-Y
82
2SA1360Y
+
100/100
+
100/100
-1.1V
2SC3423-Y
(1/4W)
2SA1360Y
+
100/100
+
100/100
2SC3423-Y
(1/4W)
2SA1360Y
+
100/100
+
C5132
2SC3423-Y
(1/4W)
100/100
100/100
R6011
R6021
R6031
R6041
R6051
R5241
R6016
R6026
R6036
R6046
R6056
R5246
R6014
R6024
R6034
R6114
R6044
R6054
R5244
R6012
R6022
R6032
R6042
R6052
R5242
+1.1V
4.7K
3.3K
1.8K
R6111
10K
1K
IDLING
2.7K
-1.1V
+1.1V
4.7K
3.3K
1.8K
R6116
10K
1K
IDLING
2.7K
-1.1V
+1.1V
4.7K
3.3K
1.8K
10K
1K
IDLING
2.7K
-1.1V
+1.1V
4.7K
3.3K
1.8K
R6112
10K
1K
IDLING
2.7K
-1.1V
15
R5231
ADJ.
15
R5236
ADJ.
15
R5234
ADJ.
15
R5232
ADJ.
R5251
R5261
102J
(1/4W)
R5256
R5266
102J
(1/4W)
56K
R5254
R5264
(1/4W)
R5252
R5262
C6002
102J
(1/4W)
15
56K
270K
C6001
15
56K
270K
C6006
15
270K
C6004
102J
15
56K
270K
(1/4W)
(1/4W)
(1/4W)
(1/4W)
R6061
120
(1/4W)
120
(1/4W)
R6062
Q6011
+B1SBR
Q6014
+B1R
+BR
120
(1/4W)
NFR
2SC1740S_S
-BR
-B1R
+BSBR
R6066
NFSBR
Q6016
2SC1740S_S
-BSBR
-B1SBR
+B1SR
+BSR
R6064
NFSR
2SC1740S_S
-BSR
-B1SR
+B1C
+BC
120
(1/4W)
Q6012
2SC1740S_S
-BC
-B1C
Q6021
47/50
47/50
47/50
+65V
(1/4W)
R6311
2SA933
-65V
+65V
(1/4W)
R6316
C6016
Q6026
2SA933
-65V
+65V
(1/4W)
R6314
C6014
2SA933
Q6024
-65V
+65V
(1/4W)
R6312
C6012
2SA933
Q6022
-65V
10
C6011
10
10
10
120
47/50
82
18
(1/4W)
120
120
(1/4W)
18
(1/4W)
(1/4W)
120
(1/4W)
82
(1/4W)
120
120
(1/4W)
18
(1/4W)
Q6042
2SA949Y
120
(1/4W)
(1/4W)
(1/4W)
82
120
(1/4W)
(1/4W)
18
18
(1/4W)
(1/4W)
(1/4W)
18
82
R6282
(1/4W)
R6271
(1/4W)
R6281
R6076
R6286
R6074
R6072
R6251
Q6031
18
R6071
Q6041
R6261
R6256
Q6036
R6276
Q6046
R6266
R6254
Q6034
R6274
R6284
Q6044
R6264
R6252
Q6032
R6272
R6262
(1/4W)
+0.6V
-0.6V
+0.6V
-0.6V
+0.6V
-0.6V
+0.6V
-0.6V
2.2
2SC2229Y
2SA949Y
2.2
2.2
2SC2229Y
18
(1/4W)
2SA949Y
2.2
(1/4W)
2.2
2SC2229Y
2SA949Y
2.2
2.2
2SC2229Y
2.2
(1/4W)
C6021
(1/4W)
(1/4W)
C6026
R6306
(1/4W)
C6024
(1/4W)
(1/4W)
C6022
(1/4W)
R6291
Q6101
47/50
Q6111
2SC5171
R6301
R6296
Q6106
2SA1930
47/50
Q6116
2SC5171
R6294
2SA1930
Q6104
47/50
Q6114
2SC5171
R6304
R6292
Q6102
2SA1930
47/50
Q6112
2SC5171
R6302
2SA1930
1
2
3
4
P6011A
6
5
4
3
2
1
P6031B
1
2
3
4
P6016A
6
5
4
3
2
1
P6036B
1
2
3
P6014A
4
6
5
4
3
2
1
P6034B
1
2
3
P6012A
4
6
5
4
3
2
1
P6032B
SD-5:H3
TO NAAF-9039
SD-4:B1
TO NAAMP-9062
SD-5:H3
TO NAAF-9039
SD-4:B2
TO NAAMP-9062
SD-5:H2
TO NAAF-9039
SD-4:B3
TO NAAMP-9062
SD-5:H1
TO NAAF-9039
SD-4:B4
TO NAAMP-9062
NACLA-9064,65,67,69
are fully compatible with each other.
TX-SR805/SA805
NACLA-9063
U18
POWER AMP
PC BOARD
1
2
3
P5010A
SD-5:H4
TO NAAF-9039
FRONT L
NACLA-9068
U23
POWER AMP
PC BOARD
1
2
3
P5015A
SD-5:H4
TO NAAF-9039
SURROUND
BACK L
NACLA-9066
U21
POWER AMP
PC BOARD
1
2
3
P5013A
SD-5:H5
TO NAAF-9039
SURROUND
L
P5020A
P5025A
P5023A
R5000
1K
C5020
R5005
C5025
221K
R5003
C5023
1K
1K
221K
MTZJ5.6B
221K
MTZJ5.6B
C5010
+
47/50
MTZJ5.6B
C5050
D5000
C5015
+
47/50
D5005
C5055
C5013
+
47/50
D5003
C5053
R5010
+
R5015
+
R5013
+
10/50
10/50
10/50
R5070
56K
R5075
56K
R5073
56K
R5020
330
1.8K
R5090
R5025
330
1.8K
R5095
R5023
1.8K
R5093
+62.8V
100K
-59.3V
R5290
100K
-59.3V
R5295
+62.8V
100K
330
-59.3V
R5293
+52.7V
2SC2240-BL
100K
+62.8V
2SC2240-BL
+52.7V
Q5005
2SC2240-BL
100K
2SC2240-BL
+52.7V
2SC2240-BL
100K
2.2K
R5110
Q5060
2SC2240-BL
-0.6V
Q5000
330
R5030
-0.9V
-11.0V
2.2K
R5115
120K
Q5065
-0.6V
330
R5035
-0.9V
-11.0V
2.2K
R5113
120K
Q5063
-0.6V
Q5003
330
R5033
-0.9V
-11.0V
120K
5.6K
5.6K
R5360
R5370
R5050
R5060
R5365
R5375
R5055
R5065
R5363
R5373
R5053
R5063
+53.3V
560K
330
Q5020
2.7K
+53.3V
560K
330
Q5025
2.7K
+53.3V
560K
330
5.6K
-11.0V
Q5023
2.7K
+64.8V
2.2K
R5120
+62.8V
Q5070
2SC2240-BL
R5040
Q5010
2SC2240-BL
2SC2240-BL
-64.8V
+64.8V
2.2K
R5125
+62.8V
Q5075
2SC2240-BL
R5045
Q5015
2SC2240-BL
2SC2240-BL
-64.8V
+64.8V
2.2K
R5123
+62.8V
Q5073
2SC2240-BL
R5043
Q5013
2SC2240-BL
2SC2240-BL
-64.8V
+
C5045
C5043
220/25
C5040
220/25
+
+
R5140
R5280
R5170
R5145
R5285
R5175
R5143
220/25
R5173
+63.4V
+63.4V
+63.4V
R5283
820
Q5040
(1/2W)
10K
-63.3V
820
820
Q5045
(1/2W)
10K
-63.3V
820
820
Q5043
(1/2W)
10K
-63.3V
820
R5130
(1/4W)
2SA949Y
22/63
+
R5150
C5080
R5160
(1/4W)
R5135
(1/4W)
2SA949Y
22/63
+
R5155
C5085
R5165
(1/4W)
(1/4W)
R5133
2SA949Y
22/63
+
R5153
C5083
R5163
(1/4W)
820
R5180
33
Q5030
0.0V
(1/2W)
10K
1K
820
33
0.0V
(1/2W)
10K
1K
820
R5183
33
Q5033
0.0V
(1/2W)
10K
1K
+B2L
(1/4W)
(1/4W)
2SA949Y
10/100
+
C5070
101K
(1/4W)
-B2L
+B2SBL
(1/4W)
(1/4W)
R5185
Q5035
2SA949Y
+
101K
(1/4W)
-B2SBL
+B2SL
(1/4W)
(1/4W)
2SA949Y
10/100
+
C5073
101K
(1/4W)
-B2SL
C5110
C5100
C5115
C5075
10/100
C5105
C5113
C5103
+64.0V
010D
18K
+64.0V
010D
18K
+64.0V
010D
R5300
R5210
R5330
R5305
R5215
R5225
R5335
R5303
R5213
R5223
R5333
82
Q5050
18K
C5120
R5220
Q5080
82
82
Q5055
18K
C5125
C5135
Q5085
82
82
Q5053
18K
C5123
18K
C5133
Q5083
82
(1/4W)
(1/4W)
(1/4W)
(1/4W)
(1/4W)
(1/4W)
2SA1360Y
+
100/100
+
C5130
100/100
2SC3423-Y
2SA1360Y
+
100/100
+
100/100
2SC3423-Y
2SA1360Y
+
100/100
+
100/100
2SC3423-Y
R6010
R6020
R6030
R6110
R6040
R6050
R5240
R6015
R6025
R6035
R6115
R6045
R6055
R6013
R6023
R6033
R6043
R6053
R5243
+1.1V
4.7K
3.3K
1.8K
10K
1K
2.7K
-1.1V
+1.1V
4.7K
3.3K
1.8K
10K
1K
2.7K
-1.1V
R5245
+1.1V
4.7K
3.3K
1.8K
R6113
10K
1K
2.7K
-1.1V
(1/4W)
15
R5230
R5250
IDLING
ADJ.
(1/4W)
(1/4W)
15
R5235
R5255
R5265
IDLING
ADJ.
(1/4W)
15
R5233
R5253
R5263
IDLING
ADJ.
56K
R5260
270K
C6000
102J
15
56K
270K
C6005
102J
15
56K
270K
C6003
102J
15
(1/4W)
(1/4W)
R6060
120
(1/4W)
120
(1/4W)
+B1L
+BL
120
Q6010
-BL
-B1L
+B1SBL
+BSBL
R6065
Q6015
-BSBL
-B1SBL
+B1SL
+BSL
R6063
Q6013
-BSL
-B1SL
+65V
(1/4W)
(1/4W)
R6310
2SA933
Q6020
2SC1740S_S
-65V
+65V
(1/4W)
R6315
Q6025
2SC1740S_S
-65V
+65V
(1/4W)
R6313
2SA933
Q6023
2SC1740S_S
-65V
10
C6010
10
C6015
2SA933
10
C6013
47/50
47/50
47/50
120
18
(1/4W)
(1/4W)
18
(1/4W)
(1/4W)
18
(1/4W)
(1/4W)
(1/4W)
18
(1/4W)
R6070
82
R6280
120
(1/4W)
R6255
(1/4W)
18
82
R6075
R6285
120
(1/4W)
120
(1/4W)
82
(1/4W)
R6283
120
(1/4W)
18
R6250
Q6030
2SC2229Y
R6270
+0.6V
-0.6V
Q6040
2SA949Y
R6260
120
(1/4W)
Q6035
2SC2229Y
R6275
+0.6V
-0.6V
Q6045
2SA949Y
R6265
R6253
Q6033
2SC2229Y
R6273
+0.6V
-0.6V
R6073
2SA949Y
Q6043
R6263
2.2
(1/4W)
(1/4W)
(1/4W)
(1/4W)
(1/4W)
C6020
R6300
2.2
C6025
2.2
2.2
C6023
2.2
R6290
Q6100
47/50
Q6110
2.2
(1/4W)
R6295
Q6105
47/50
Q6115
2SC5171
R6305
R6293
Q6103
47/50
Q6113
R6303
2SA1930
2SC5171
2SA1930
2SA1930
2SC5171
4
3
2
1
P6010A
1
2
3
4
5
P6030B
6
4
3
2
1
P6015A
1
2
3
4
5
P6035B
6
4
3
2
1
P6013A
1
2
3
4
5
P6033B
6
SD-5:H4
TO NAAF-9039
SD-4:F1
TO NAAMP-9061
SD-5:H4
TO NAAF-9039
SD-4:F2
TO NAAMP-9061
SD-5:H5
TO NAAF-9039
SD-4:F3
TO NAAMP-9061
<Note>
SD-x:XY is short for Shcematic Diagram-x and
each socket's location, X=A to H, Y=1 to 5.
NOTE
THE COMPONENTS IDENTIFIED BY MARK ARE CRITICAL FOR SAFETY.
REPLACE ONLY WITH PART NUMBER SPECIFIED.
VOLTAGE (MEASURED WITH VOLTMETER) IS DC VOLTAGE.(NO INPUT SIGNAL).
ALL PNP TRANSISTORS ARE EQUIVALENT TO 2SA1015-GR UNLESS OTHERWISE NOTED.
ALL NPN TRANSISTORS ARE EQUIVALENT TO 2SC1815-GR UNLESS OTHERWISE NOTED.
ALL DIODES ARE EQUIVALENT TO 1SS133 UNLESS OTHERWISE NOTED.
ELECTROLYTIC CAPACITORS ( ) ARE IN uF/WV.
ALL CAPACITORS ARE IN pF/50WV UNLESS OTHERWISE NOTED.
EX) 030- 3pF, 330- 33pF, 331- 330pF, 333- 0.033uF
ALL RESISTORS ARE IN OHMS 1/4WATTS UNLESS OTHERWISE NOTED.
THE THICK LINES ON PC BOARD ARE THE PRINTING SIDE OF THE PARTS.
EX) PRINTING SIDE
CIRCUIT IS SUBJECT TO CHANGE FOR IMPROVEMENT.
!
NACLA-9063,66,68
are fully compatible with each other.
TX-SR805/SA805
A
SCHEMATIC DIAGRAM-4 (SD-4)
POWER AMPLIFIER SECTION-2
NAAMP-9062
U17
1
2
3
4
5
POWER AMP
PC BOARD
BCDEFGH
TO NAAF-9039
SD-5:F3
P6350A
1
2
-B
+B
SD-7:D5
TO NATRM-9055
TO NATRM-9055
TO NATRM-9055
TO NATRM-9055
VOLH
VPRO
IPRO
123
P6350B
SD-7:D5
SD-7:D5
+B POWER SUPPLY
SD-7:D5
(COPPER BUS PLATE)
P6350C
-B POWER SUPPLY
1
2
3
JL6042B
FRONT R
6
5
4
3
2
P6031A
1
SD-3:D2
TO NACLA-9064
SURROUND BACK
R
6
5
4
3
2
1
P6036A
SD-3:D3
TO NACLA-9069
SURROUND R
6
5
4
3
2
1
P6034A
SD-3:D4
TO NACLA-9067
CENTER
6
5
4
3
2
1
P6032A
SD-3:D5
TO NACLA-9065
+0.6V
-0.6V
+0.6V
-0.6V
+0.6V
-0.6V
+0.6V
-0.6V
L6001
R6081
10(1/4W)
10(1/4W)
R6091
L6011
L6006
R6086
10(1/4W)
10(1/4W)
R6096
L6016
L6004
R6084
10(1/4W)
10(1/4W)
R6094
L6014
L6002
R6082
10(1/4W)
10(1/4W)
R6092
L6012
NFR
0.22(1/2W)
0.22(1/2W)
NFSBR
0.22(1/2W)
0.22(1/2W)
NFSR
0.22(1/2W)
0.22(1/2W)
NFC
0.22(1/2W)
0.22(1/2W)
R6331
R6351
0.22(1/2W)
0.22(1/2W)
R6341
R6361
+B1SBR
R6336
R6356
0.22(1/2W)
0.22(1/2W)
R6346
R6366
-B1SBR
+B1SR
R6334
R6354
0.22(1/2W)
0.22(1/2W)
R6344
R6364
-B1SR
R6332
R6352
0.22(1/2W)
0.22(1/2W)
R6342
R6362
+B1R
-B1R
+B1C
-B1C
P6051
1
R6151
100
(1/4W)
0.22(5W)
R6401
R6651
100
(1/4W)
1
P6061
P6056
1
R6156
100
(1/4W)
0.22(5W)
R6406
100
(1/4W)
R6656
1
P6066
P6054
1
R6154
100
(1/4W)
0.22(5W)
R6404
100
(1/4W)
R6654
1
P6064
P6052
1
R6152
100
(1/4W)
0.22(5W)
R6402
100
(1/4W)
R6652
1
P6062
+65V
ID+
-65V
+65V
ID+
-65V
+65V
ID+
-65V
+65V
ID+
-65V
Q6051
2SC5242
R6161
100
(1/4W)
P6071
1
R6661
(1/4W)
Q6061
2SA1962
Q6056
2SC5242
R6166
100
(1/4W)
P6076
1
100
(1/4W)
R6666
Q6066
2SA1962
Q6054
2SC5242
R6164
100
(1/4W)
P6074
1
100
(1/4W)
R6664
Q6064
2SA1962
Q6052
2SC5242
R6162
(1/4W)
P6072
1
100
(1/4W)
R6662
Q6062
2SA1962
P6081
1
33K
Q6071
2SC2240
1SS133
33K
Q6076
2SC2240
33K
Q6074
2SC2240
33K
Q6072
2SC2240
1SS133
D6001
D6006
1SS133
D6004
1SS133
D6002
0.0V
0.0V
0.0V
0.0V
47K
R6211
R6231
R6216
R6236
R6214
R6234
R6212
R6232
47K
47K
47K
47K
47K
47K
47K
IPRO
SPR
P6250A
VPRO
VOLH
IPRO
SPSBR
P6250B
VPRO
VOLH
IPRO
SPSR
P6250C
VPRO
VOLH
IPRO
SPC
P6250D
VPRO
VOLH
Q6081
2SC5242
R6171
R6181
12K
0.22(5W)
ID-
R6411
223J
C6041
R6191
100
100
5.6K
Q6091
2SA1962
1
P6091
P6086
1
Q6086
2SC5242
R6176
R6186
12K
0.22(5W)
ID-
R6416
223J
C6046
R6196
5.6K
Q6096
2SA1962
1
P6096
P6084
1
Q6084
2SC5242
R6174
R6184
12K
0.22(5W)
ID-
R6414
223J
C6044
R6194
5.6K
Q6094
2SA1962
1
P6094
P6082
1
Q6082
2SC5242
R6172
R6182
12K
0.22(5W)
ID-
R6412
223J
C6042
R6192
5.6K
Q6092
2SA1962
1
P6092
JL6041B
TO NAAF-9039
SD-5:E3
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