Onkyo TX SR875 - AV Receiver User manual

TX-SR875
SERVICE MANUAL
Ref. No. 3996
062007
AV RECEIVER
MODEL TX-SR875
TX-SR875 Black, Golden and Silver models
220-240V AC, 50Hz
220-240V AC, 50/60Hz
B UMP, S UMP, B UMB, S UMB
B MMP, S MMP, B MMB, S MMB
G UMK, G UMT
RC-690M
SAFETY-RELATED COMPONENT
WARNING!!
COMPONENTS IDENTIFIED BY MARK ON THE
SCHEMATIC DIAGRAM AND IN THE PARTS LISTARE
CRITICAL FOR RISK OF FIRE AND ELECTRIC SHOCK.
REPLACE THESE COMPONENTS WITH ONKYO
PARTS WHOSE PART NUMBERS APPEAR AS SHOWN
IN THIS MANUAL.
MAKE LEAKAGE-CURRENT OR RESISTANCE
MEASUREMENTS TO DETERMINE THAT EXPOSED
PARTS ARE ACCEPTABLY INSULATED FROM THE
SUPPLY CIRCUIT BEFORE RETURNING THE
APPLIANCE TO THE CUSTOMER.
B UDC, S UDC, B MDC, S MDC
G UDT 120V AC, 60Hz
STANDBY/ON
MASTER VOLUME
CDTUNER
TAPECBL/SAT GAME/TV AUX 1 AUX 2VCR/DVR
DVDAUDIO SELPURE AUDIO PHONO DISPLAY
PUSH TO OPEN
STANDBY
READY
ZONE 2
ZONE 3
INPUT SELECTOR
LISTENING MODE
ON STANDBY
GNITUMYALPSID
RC- 690 M
G
U
I
D
E
E
X
I
T
PREV
CH
DIMMER
CDR/MD
SAT TAPE/AMP
SLEEP
MACRO
REMOTE MODE
SUBTITLE
AUDIO
REPEAT
PLAY MODE
--
/
---
10 11 12
VIDEO OFFOPEN/CLOSE
TV
TV CH
TV VOL
PLAYLIST RANDOM
DVD
AUX1AUX 2
GAME/TV
CBL/SATVCR/DVR
D. TUN
CD TUNER TAPE
PHONO
VCRVCR DVDDVD HDDHDD
S. RESTORE
REC
ENTER
TEST TONE
AUDIO SEL
CH SEL
SURR
DIRECT THX PURE A
STEREO
LEVEL
+
LEVEL
-
L NIGHT
ALL ST
T
O
P
M
E
N
U
M
E
N
U
VOL
CH
DISC
ALBUM
TV
VCR
CABLE DOCK
DVD
RECEIVER
CD
+
-
123
ZONE 3
ZONE 2
INPUT
+
-
+10 0
CLEAR
123
456
789
S
E
T
U
P
R
E
T
U
R
N
Re-EQ
TX-SR875

TX-SR875
EXPLODEDVIEWS-1
TX-SR875
A070 x 4 pcs.
P6800 x 18 pcs.
A008 x 3 pcs.
A008 x 3 pcs.
A008 x 3 pcs.
A008 x 2 pcs.
A008 x 15 pcs.
A008 x 2 pcs.
A008 x 2 pcs.
A008 x 2 pcs.
A402 A404 x 6 pcs.
A406 A408 x 3 pcs.
A321 x 2 pcs.
A113
A008 x 5 pcs.
A068 x 4 pcs. A075
x 3 pcs.
A076 x 4 pcs.
A112 x 51 pcs.
A112 x 8 pcs.
A112 x 2 pcs.
A112 x 2 pcs.
A112 x 5 pcs.
A112 x 2 pcs.
A112 x 4 pcs.
A114 x 2 pcs.
A094 x 2 pcs.
A078 x 3 pcs.
A066
A400
A412
A411
A410
A137
A270
A086
A087
A205
A219A239
A223
A112
A112
A221
A209
A211
A213
A215
A259
A311
A313
A315
P9008
DT,MP,MA
MK,MQ,MT
type only
A207
A217
A201
A261
A008
A253
A251
A255
A301
A303
A281
A104
A100
A110
P101
P2801
P7501
U33
U38
U41
U39
U34
U35
U36U40
A119
F2501
F2502
U14 U017
U06
U09
U10
U26
U31
U32
A120
U11
U13
U12
U42
U25
U28
U27
U07
U08
U30
P102
F9100
F9000
F9101
F9102
A116
A118
A067
A106
A096
A092
A090
A098
A008
A105
A139
Refer to <Fig-1> in EXPLODED VIEWS-2
DC type only

TX-SR875
EXPLODEDVIEWS-2
TX-SR875
A001
U04
U05
T901
A022 A021
A021
A058
A062 A048
A022
6093
6083
6063
6053
6051
6081
6061
6091
6056
6066
6086
6096
6084
6094
6054
6064
6082
6092
6052
6062
6095
6085
6065
6055
6090
6080
6060
6050
A015
A001
A022 A022
U37
A040
A049
F9301
P062
P061
A044
A014
A120 F6601
F6603
F6602
F6604
A120
A005 x 4 pcs. A007 x 4 pcs.
A011 x 2 pcs.
A008 x 8 pcs.
A008 x 4 pcs.
A008 x 3 pcs. A008 x 2 pcs.
A025
U03
U01
U18
U23
U21
U19
U24 U20
U22
U02
U16
U17
A008 x pcs.
A060 x 2 pcs.
A042 x 4 pcs. A090
x 4 pcs.
A018
A004
A008
A046 x 4 pcs.
A056 x 4 pcs.
A008 x 2 pcs.
A120
A120
A008 x 2 pcs.
A008 x 6 pcs.
A013 x 2 pcs.
6080A
x 2 pcs.
6050A
x 2 pcs.
A013 x 2 pcs.
A005 x 4 pcs. A007 x 4 pcs.
A009 x 12 pcs.
A009 x 16 pcs.
<Fig-1>
A064

LO DIA RA -1
AUDIO SE TIO
TX-SR875
A
1
2
3
4
5
D
SPDIF
RX0
RX5
MCH SR
RX6
RX7
DAC_FL DAC_SL DAC_SR DAC_SBR DAC_SBL
V_OUT_L V_OUT_R
DAC_FR
DAC FL
MIX L
MIX R
DAC FR
DAC_CT DAC_SW
MCH C
DAC C
MCH SW
DAC SW
MCH SL
MAIN L
MAIN R
DAC SL
DAC CT2 DAC SW2 MCH_SBR MCH_SBL MCH_SR MCH_SL MCH_SW MCH_CT
VCR/DVR OUT
TAPE OUT
TAPE
VCR/DVR IN
CBL/SAT
GAME/TV
DVD
OUT
IN 4
IN 1
IN 2
IN 3
ch3
ch4
ch14
OPTICAL IN 1
DIGITAL IN
(FRONT)
COAX IN 2
COAX IN 1
HDMI
HDMI
I/F
FLASH ROM
SD_RAM
I2S
DSD
I2S
I2S
DSD
PHONO
OPTICAL IN 2
CD
(DC Type Only)
TUNER UNIT
AM ANTENNA
FM
ANTENNA
ADC
-6dB -6dB
Q3041
CS42516
MAIN B
Z2
Z3
RL
Q4305
NJU7313A
(DVD audio,etc)
0dB
Video REC
0dB -6dB
-6dB
VIDEO IN
AUX 2
AUX 1
Q4029
TC94A46CFG
ch13
ch12
ch11
ch10
ch9
ch8
ch2
RIAA
XM
Sirrus
MAIN A
DIR
NJU7313A
ch7
ch6
ch5
Q
4
NJ
U
NJU7312A
.
.
..
.
.
SETUP MIC
3
2
1
OPTICAL OUT
COAX IN 3
MULTI CHANNEL INPUT
FL
FR
C
SW
SL
SR
SBL
SBR
L
R
L
R
L
R
L
R
L
R
L
R
L
R
L
R
L
R
L
R
L
R
2nd DSP Q3501 D708E001BRFP
(SD-11)
DSP BLOCK
1st DSP Q3401 D710E001BZDH
(SD-10)
3rd DSP Q3601 D707E001BRFP
(SD-11)
I2S/DSD
MULTIPLEXER
TC74VHC157FT
Q3001
TC74VHC157FT
< ote>
Refer to SC EMATIC DIA RAM- n -2 SD- n SD-2
for igit l io sign l flo e for s.

TX-SR875
EF
DA
C FL
MIX
L
MIX
R
DA
C FR
MC
H C
DA
C C
H
SW
C
SW
CH
SL
MA
IN L
MA
IN R
AC
SL
CENTER
SURR LEFT
SURR RIGHT
ZONE2 RIGHT
SUUR BACK
FRONT RIGHT
FRONT LEFT
- FRONT RIGHT(BTL) +
- FRONT LEFT(BTL) +
SUUR BACK
or Bi-AMP LEFT
or Bi-AMP RIGHT
RS-232
TRANCEIVER
RS-232
Q3031 ICL3221E
RIex
RI
Q7001
MAIN MICROPROCESSOR
INTERFACE
IR OUT
IR IR IN
12V TRIGGER/Z2
12V TRIGGER
CONTROL
REMOTE
SENSOR
SPEAKER TERMINALS
7 CH
POWER
AMPLIFIERS
C
SBL
FL
FR
SL
SR
+20dB
SW2
I2S
DS
D
+29dB
+29dB
+29dB
+29dB
+29dB
+29dB
+29dB
ZONE2 LEFT
SBR
LFRONT
SURR
SURR
BACK
R
SUBWOOFER
CENTER
L
R
L
R
PRE OUT
SW
R
L
R
L
ZONE2 PREOUT/LINEOUT
TONE
Q4204 R2S15211FP
0dB FIX
ZONE3 PREOUT/LINEOUT
41
516
C2
FL
FR
C
SW
SL
SR
SBL
SBR
HEADPHONES
Q4306
NJU7311A
Q4405
CS3318
TONE
0dB FIX
Q4304
N
JU7312A
0dB FIX
0dB FIX
1
2
3
.
PCM1796
DAC PCM1796
DAC
Q3701 Q3721 Q3741 Q3761 Q3781
PCM1796
DAC PCM1796
DAC PCM1796
DAC
TC74VHC157FT MULTIPLEXER
. . . .

LO DIA RA -2
VIDEO SE TIO
TX-SR875
A
1
2
3
4
5
D
CBL/SAT
VCR/DVR
AUX 1
DVD
GAME/TV
AUX 2
(FRONT)
CBL/SAT
VCR/DVR
AUX 1
DVD
GAME/TV
AUX 2
(FRONT)
C
C
C
C
C
C
CB1
CR1
2
CB2
CR2
CR3
3
CB3
1
IN 1
IN 2
IN 3
CB
CR
S VIDEO INPUT
COMPOSITE VIDEO
COMPONENT VIDEO VIDEO BOARD (NAVD- 2 SD- )
C-DET
MAIN
MAIN
Z2
Z2
NOTE
MMP is short or MAIN MICROPROCESSOR.
S-DET
Z2 S-DET
CB
CR
MAIN
Z2
Q2201
NJW1321
74HC4051 Q2012,Q2013
NJM2587
MM1512
HDAP
HDAPB
HDAPR
LPF(12MH )
LPF(12MH )
LPF(6MH )
LPF(6MH )
LPF(12MH )
BPF(140K-6MH )
6dB DRV
DRV
MMP
6dB DRV
.
6dB
.
6dB
.
.
6dB
6dB
6dB
.
.
6dB
6dB DRV
6dB DRV
6dB DRV
6dB DRV
6dB
MMP
MMP

TX-SR875
EF
MONITOR OUT
VCR/DVR OUT
MONITOR OUT
VCR/DVR OUT
S VIDEO
ZONE2 OUT
COMPOSITE VIDEO
COMPOSITE VIDEO
CB
CR
COMPONENT VIDEO
C
CB
CR
CB CR
CVBS
C
HDBSC
CVBS
HDBP
HDBPB HDBPB
24MH MAX
HDMI BOARD
(NAHDM- 114 SD-11111)
C
C
HDBCV
12MH MAX
HDBS
MONITOR OUT
VCL VDATA VSTB
CONTROL
NJU7312AM
VCL VDATA VSTB
CONTROL
NJU7313AM
LPF(12MH )
LPF(12MH )
LPF(12MH )
LPF(6MH )
VMUT
Q2012,Q2013
NJM2587
BPF(140K-6MH )
LPF(6MH )
HDACV
HDASC
HDAS
Q2206
NJM2586A 100MH -3dB
6dB DRV
6dB DRV
6dB DRV
DRV6dB
6dB
6dB
6dB
6dB DRV
6dB DRV
75 75 75
75 75 75
P
MMPV
MMP

LO DIA RA -3
D I SE TIO
TX-SR875
A
1
2
3
4
5
D
HDAS
HDAPR
HDAPB
HDAP
HDACV
HDASC
SDA_VDVE
SCL_VDVE
INT_VD
VD_RST
OERX
OEDEC
SCL_RX
SDA_RX
RX_RST
MUTEOUT
INT_RX
SCDT
DDCSDA1
DDCSCL1
(O14-O23)
CB(O2-O11)
+3.3VHD
+3.3VHD
+3.3VHD
PRODDC1
HPR_R1
VIDEO BOARD
NAVD-9052
Q8405
SN74CB3Q
330
HDMI RECIEVER
Q8501
SiI9135
EVNODD
HDMI INPUT MULTIPLEX
Q8101
AD8196
VIDEO DECODER
R0X2
R0X1
R0X0
R0XC
PRESET
SCDT
INT
CSDA
CSCL MUTEOUT
MCLKOUT
MCLKIN
SCK
WS
SD0-7
SPDIF
(O12-O23)
CB(O0-O11)
CR(O24-035)
DE
HS NC
VS NC
ODCK
DSCL0
DSDA0
R0PWR5V
R1X2
R1X1
R1X0
R1XC
DSCL1
DSDA1
R0PWR5V
Q8800
ADV7401
71 HDAS
75 HDASC
73 HDACV
76_77 HDAP
74 HDAPB
72 HDAPR
3INTREQ
19_81 SDA1_2 16_82 SCLK1_2
78 RESET
(P10-19)
CB(P0-P9)
CR(P20-29)
98
FIELD/DE
4
HC/CS
99
VS
36
LLC
15
SFL/S NCOUT
11OE
11OE
D2+/-
D1+/-
D0+/-
CK+/-
CERe ote
DDC CLK
DDC DATA
+5V
HP DET
D2+/-
D1+/-
D0+/-
CK+/-
CERe ote
DDC CLK
DDC DATA
+5V
HP DET
HDMI IN 1 HDMI IN 2 HDMI IN 3 HDMI IN 4
D2+/-
D1+/-
D0+/-
CK+/-
CERe ote
DDC CLK
DDC DATA
+5V
HP DET
D2+/-
D1+/-
D0+/-
CK+/-
CERe ote
DDC CLK
DDC DATA
+5V
HP DET
1K
47K
Q8175
BR24L02FV-W
5SDA
6SCL
7WP
8VCC 1
A0
2
A1
3
A2
4
GND
0
47K
5.6K
5.6K 0
Q8174
47K
4.7K
104Z
10K
4.7K
10K
10K
4.7K
104Z
10K
10K
10K
4.7K
AUX_D0
AUX_D1
AUX_D2
AUX_D3
IN/P_D0
IN/P_D1
IN/P_D2
IN/P_D3
AUX_C0
AUX_C1
AUX_C2
AUX_C3
IN/P_C0
IN/P_C1
IN/P_C2
IN/P_C3
AUX_B0
AUX_B1
AUX_B2
AUX_B3
IN/P_B0
IN/P_B1
IN/P_B2
IN/P_B3
AUX_A0
AUX_A1
AUX_A2
AUX_A3
IN/P_A0
IN/P_A1
IN/P_A2
IN/P_A3
I2C_SCL
I2C_SDA
RESET
AUX_COM1
AUX_COM0
AUX_COM3
AUX_COM2
AUX_COM1
AUX_COM0
AUX_COM3
AUX_COM2
ON0/OP0
ON1/OP1
ON2/OP2
ON3/OP3
ON0/OP0
ON1/OP1
ON2/OP2
ON3/OP3
TC7
4VC
20
it
TC7
4VC
20
it
SN74CB3T3306DCT
11OE
21A
52A
4GND 6
2B
3
1B
7
2OE
8
VCC
DDCSDA2
DDCSCL2
+3.3VHD
PRODDC2
HPR_R2
1K
47K
Q8155
BR24L02FV-W
5SDA
6SCL
7WP
8VCC 1
A0
2
A1
3
A2
4
GND
0
47K
5.6K
5.6K 0
Q8154
47K
SN74CB3T3306DCT
11OE
21A
52A
4GND 6
2B
3
1B
7
2OE
8
VCC
DDCSDA3
DDCSCL3
+3.3VHD
PRODDC3
HPR_R3
1K
47K
Q8125
BR24L02FV-W
5SDA
6SCL
7WP
8VCC 1
A0
2
A1
3
A2
4
GND
0
47K
5.6K
5.6K 0
Q8124
47K
SN74CB3T3306DCT
11OE
21A
52A
4GND 6
2B
3
1B
7
2OE
8
VCC
DDCSDA4
DDCSCL4
+3.3VHD
PRODDC4
HPR_R4
1K
47K
Q8105
BR24L02FV-W
5SDA
6SCL
7WP
8VCC 1
A0
2
A1
3
A2
4
GND
0
47K
5.6K
5.6K 0
Q8104
47K
SN74CB3T3306DCT
11OE
21A
52A
4GND 6
2B
3
1B
7
2OE
8
VCC
Q8151
AD8196
I2C_SCL
I2C_SDA
RESET
HDMI BOARD
(NAHDM- 114 SD-11111)

TX-SR875
EF
VDOFF
HDBS
HDBCV
HDBSC
HDBPR
HDBPB
HDBP
SCL_VDVE
RST_VE
SDA_VDVE
OEDECTH
VS NC
HS NC
FIELD/DE
(P10-19)ITU656
CR(P20-29)
CB(P0-09)
LLC
RTC
VD_SCK
VD_SI
VD_STB
VS SRST
VD_SO
TXMUTE
RXMUTE
CEC_IO
VS NC
VOCLK
HS NC
FIELD/DE
HS NC
VS NC
CR(P0,9)
(0,9)
CB(0,9)
VICLK
VIFLD1
VIDEN1
27MH
CR(O26-O35)
(O14-O23)
CB(O2-O11)
CR(O24-O35)
CB(O0-O11)
(O12-O23)
FIELD/DE
HS NC
MCLK
VS NC
ICDK
CR
CB
SD0_3
LRCK_HDMI
BCK_HDMI
SCL_TX SDA_TX
RST_TX INT_TX
ODDC_SDA
ODDC_SCL
HPLGDET
HDMI_POW
OETX
OERXTH
CR
CB
TXDB
RXDB
RESET
VSPREQ/BOOT
OE444
OEEN
Q8701
MPD70F3716GC
VIDEO MICROPROCESSOR
TO MAIN
MICROPROCESSOR
TO MAIN
MICROPROCESSOR
405
B3Q
3305
256 M it SDRAM X4
TO DSP BOARD
U8001
VX-50
IP con ersion
Scaler OSD
U8031
128 M it
FLASH MEMOR
T
N
K
S
7
F
)
)
)
E
C
C
K
W1 VICLK1
U5 VICNTL0_VS
V3 VICNTL1_HS
/RESET
24
TXDB/DATA16
23
RXDB
21
TXDA
22
RXDA
26
TWIBDAT
U21
TWIBCLK
25
TWIADAT
V21
TWIACLK
U22
VOFIELD
VODAT(20,29)
VODAT(10,19)
VODAT(0,9)
V22
VOACT
W24
VOHS
W23
VOVS
W26
VOCLK
FLASH_CS(0,1) PCI_CBE(1.3) PCI_AD(0-31) GPIO(16,22)
W2 VICNTL3_DEN
V4 VICNTL2_FIELD
VIDAT(0,9)
VIDAT(10,19)
VIDAT(20,29)
AB11 REFCLK
Q8901
ADV7320
VIDEO ENCODER
1RTC
2LLC
3VS NC
4HS NC
5FIELD/DE
8(P10-19)
21 SDA 22 SCLK
33 RESETB
9
10
11
HDBSC
12
HDBCV
13
HDBS
14
HDBPR
15
HDBPB
16
HDBP
E
E
11OE
R8514
33
1
1OE
+3_3V
Q8401
Sil9134
IDCK
VS NC
HS NC
DE
D16-23
D0-7
D8-15
SD0-3
WS
SCK
MCLK
SPDIF
DSDCLK
DSDDA
INT
RESET
CSCL CSDA
HPD
DSDA
DSCL
TXC+/-
TX0+/-
TX1+/-
TX2+/-
HDMI TRANSMITTER
4.7K
4.7K
+3_3V
47K
+3_3V
32
1
+13VS
Q8305
S-812C50BUC
1
SW
2
GND
3
NC
4
VO
5
VIN
2K
2K
TC74VCX162827FT X2
20 it BUS BUFFER
TC
74VCX162827FT X2
2
0 it BUS BUFFER
TC
74VCX162827FT X2
2
0 it BUS BUFFER
TC74VCX162827FT X2
20 it BUS BUFFER
16 it BUS BUFFER
1
1OE
TC74VCX162244 X2 1
1OE
HDMI OUT
D2+/-
D1+/-
D0+/-
CK+/-
CERe ote
DDC CLK
DDC DATA
+5V
HP DET
16 it BUS BUFFER
TC74VCX162244
VIDEO BOARD
NAVD-9052

SCHEMATIC DIAGRAM-1 (SD-1)
AUDIO SECTION
TX-SR875
A
1
2
3
4
5
BCD
XM_R XM_L
MCH_SR
MCH_SBL
MCH_SBR
MCH_SW
MCH_C
+15V
G
MCH_SL
SURROUND
SURROUND
BACK
FRONT
MULTI CH
INPUT
PHONO
TAPE
TAPE OUT
CD
AUX1
GAME/TV
DVD
CBL/SAT
VCR/DVR OUT
VCR/DVR IN
NAASP-9051
R4606
330
R4616
56K
R4607
330
R4617
56K
C4614
47/50
R4604
330
R4614
56K
R4624
220K
C4615
47/50
R4605
330
R4615
56K
R4625
220K
C4624
47/50
R4634
220K
C4625
47/50
R4635
220K
R4602
330
R4612
56K
R4622
220K
R4603
330
R4613
56K
R4623
220K
R4632
220K
R4633
220K
R4601
330
R4611
56K
R4621
220K
C4043
47/50
R4033
330
R4035
56K
R4073
220K
C4044
47/50
R4034
330
R4036
56K
R4074
220K
C4039
47/50
R4029
330
R4031
56K
R4069
220K
C4040
47/50
R4030
330
R4032
56K
R4070
220K
C4089
102J
C4088
102J
C4015
221J
C4016
221J
C4601
221J
C4602
221J
C4603
221J
C4604
221J
C4605
221J
C4606
221J
C4607
221J
C4019
47/50
R4037
220K
C4020
47/50
R4038
220K
C4023
47/50
R4009
330
R4011
56K
R4047
220K
C4024
47/50
R4010
330
R4012
56K
R4048
220K
C4005
221J
C4006
221J
C4087
102J
R4004
56K
R4006
330
R4041
10 R4045
220
R4042
10
R4046
220
C4003
221J
C4616
47/50
R4626
220K
C4617
47/50
R4627
220K
C4626
47/50
R4636
220K
C4627
47/50
R4637
220K
R4043
100
R4044
100
R4007
220K
R4008
220K
R4005
330
R4003
56K
C4623
47/50
C4613
47/50
C4612
47/50
C4611
47/50
R4600
330
C4600
221J
C4610
47/50
R4620
220K
R4610
56K
C4017
221K
C4018
221K C4001
221K
C4002
221K
Q4002B
NE5532
5
67
8
Q4002A
NE5532
2
3
4
1
Q4014B
NE5532
5
67
8
Q4014A
NE5532
2
3
4
1
Q4015B
NE5532
5
67
8
Q4015A
NE5532
2
3
4
1
Q4001B
NE5532
5
67
8
Q4001A
NE5532
2
3
4
1
Q4040B
NE5532
5
67
8
Q4040A
NE5532
2
3
4
1
Q4041B
NE5532
5
67
8
Q4041A
NE5532
2
3
4
1
Q4042B
NE5532
5
67
8
Q4042A
NE5532
2
3
4
1
Q4043B
NE5532
5
67
8
Q4043A
NE5532
2
3
4
1
R4080
56K R4079
56K
C4622
47/50
C4055
221K
C4056
221K
P4030A
9
8
7
C4081
100/50
C4083
100/50
C4085
100/50
C4027
47/50
R4019
56K
R4057
220K
C4028
47/50
R4018
330
R4020
56K
R4058
220K
C4009
221J
C4010
221J
Q4011A
NE5532
2
3
4
1
Q4011B
NE5532
5
67
8
R4017
330
C4031
47/50
R4021
330
R4023
56K
R4061
220K
C4032
47/50
R4022
330
R4024
56K
R4062
220K
C4011
221J
C4012
221J
Q4012A
NE5532
2
3
4
1
Q4012B
NE5532
5
67
8
C4035
47/50
R4025
330
R4027
56K
R4065
220K
C4036
47/50
R4026
330
R4028
56K
R4066
220K
C4013
221J
C4014
221J
Q4013B
NE5532
5
67
8
Q4013A
NE5532
2
3
4
1
R4015
220K
R4016
220K
R4051
10 R4053
100
R4052
10 R4054
100
C4007
221J
C4008
221J
R4056
220
R4055
220
R4014
47
R4013
47
C4090
102J
P4007
P4001
P4004
P4005
R4001
330
R4002
330
R4115
22(1/2W)
R4116
22(1/2W)
R4118
22(1/2W)
R4119
22(1/2W)
R4120
22(1/2W)
P4006 P4003
Q4029
ANALOG SW ARRAY
TC94A46CFG
80
80 S04
79
79 NC
78 S03
77 NC
76 S02
75 NC
74 S01
73 NC
72 NC
71 S01
70 NC
69 S02
68 NC
67 S03
66
66 NC
65
65 S04
64 NC 63 S05 62 NC 61 S06 60 NC 59 S07 58 NC 57 S08 56 NC 55 S09 54 NC 53 S10 52 NC 51 S11 50 NC 49 S12 48 NC 47 S13 46 NC
45
38
39
40
27
26
25
20
19
NC 18
S13 17
NC 16
S12 15
NC 14
S11 13
NC 12
S10 11
NC 10
S09 9
NC 8
S08 7
NC 6
S07 5
NC 4
S06 3
NC 2
S05 1
NC
R4117
22(1/2W)
C4004
221J
R4176
220
C4176
152J
R4175
220
Q4018
2SC2240-BL
Q4017
2SC2240-BL
R4089
3.3K
Q4023B
NE5532
2
31
Q4023A
NE5532
5
6
4
7
8
R4084
22K R4083
22K
R4090
3.3K
R4092
3.3K
C4060
47/50 C4059
47/50
R4087
2.7K
R4095
470K
R4097
820
R4091
3.3K
R4085
220K
R4088
2.7K
Q4022
2SC2712
R4096
470K
R
39K
R4098
820
R4086
220K
Q4021
2SC2712
D4002
UDZS5.6B
D4001
UDZS5.6B
R4133
220
R4134
220
R4135
220
R4136
220
C406
5
182J
C4064
682JC406
6
182
J
C4061
220/25
C4062
220/25
C4063
682J
C4
0
22
/
C4
0
Q4019
2SC2240-BL
Q4020
2SC2240-BL
R4081
2.7K(1/2W)
R4082
2.7K(1/2W) P4030B
7
8
9
C4057
47/50
C4058
47/50
C4213
47/50
C4240
47/50
C4214
47/50
C4233
47/50
C4236
47/50
C4235
47/50
C4238
47/50
C4237
47/50
C4239
47/50
R4256 10K
R4255 10K
Q4204
SELECTOR
VOL, TONE
R2S15211FP
40 MONO
39 SUBL
38 SUBR
37 ADCR
36 ADCL
35 FRIN2
34 FLIN2
33 SRIN2
32 SLIN2
31 SWIN2
30 CIN2
29 SBRIN2
28 SBLIN2
27
27 TRE_R
26 BASS_R2
25
25 BASS_R1
24 AVCC 23 TRE_L 22 BASS_L2 21
20 BASS_L1
FRC
19 FROUT 18 AGND 17 FLOUT 16 FLC 15 6-C
14 6-OUT
13 AGND 12 5-OUT
11 5-C
10 4-C
94-OUT 8AGND 73-OUT 63-C 52-C 42-OUT 3AGND 21-OUT 11-C
80 SBRIN1
79 SBLIN1
SRIN
SLIN
SWIN
CIN
1
FRIN
FLIN
RECL
3
RECR
3
INL11/RECL
5
69 INR11/RECR5
68 INL10/RECL4
67 INR10/RECR4
66 INLB/RECL2
65 INRB/RECR2
64
INL9 63
INR9 62
INLA/RECL1 61
INRA/RECR1 60
INL8 59
INR8 58
INL7 57
INR7 56
INL6 55
INR6 54
INL5 53
INR5 52
INL4 51
INR4 50
INL3 49
INR3 48
INL2 47
INR2 46
INL1 45
INR1 44
AVEE 43
CLOCK 42
42 DATA
41
41 DGND
R4078
1K
R4077
1K C4175
152J R4093
39K
R4180
1.2K
C4091
221K
+14.4V
-14.4V
-14.4V
+14.4V
C4232
474J
R4254
1.8K
C4228
223J
C4230 823J
C4227
223J
C4229
823J
C4234
47/50
R4253 1.8KC4231
474J R4177
1K
C4177
221J
R4178
1K
C4178
221J
NAASP-9050(1/2) U06 AMPLIFIER PC BOARD U07 PHONO
P
L
R
L
R
L
R
L
R
L
R
L
R
L
R
L
R
L
R
CENTER
SUB WOOFER
L
R
L
R
L
RL
R
-14.
0
+14.0
V

TX-SR875
EFGH
Z3MUTE
Z2MUTE
BTLR
BTLL
MainBR
MainBL
MainAR
SELSTB
SELSDO
SELCLK
TU_R
XM_R
XM_L
TU_L
PZ2R
PZ2L
Z2VOLCLK
Z2VOLSDO
-15V
MainAL
TUMUTE
-15VCD
MCH_SBR
MCH_SBL
MCH_SR
MCH_SL
MCH_SW
MCH_C
VIDEO5R
VIDEO5L
TAPEOUTL
TAPEOUTR
VIDEOOUTL
VIDEOOUTR
GND
SR_R
SR_L
+15V
GND
Z2R
Z2L
Z3R
Z3L
LZONE 2 PRE OUT/LINE OUT
R
LZONE 3 PRE OUT/LINE OUT
R
TX-SR805 Only
R4122
0
Q4026
R4161
10K
R4162
10K
R4164
220K
C4112
47/50
R4160
10K
C4111
47/50 R4163
220K
R4159
10K
R4126
220K
R4125
220K
R4121
0
Q4025
R4257 220K
R4158
220K R4157
220K
C4108
47/50
C4107
47/50
R4156
220K
C4106
47/50
R4155
220K
C4105
47/50
R4154
220K R4153
220K
C4104
47/50
C4103
47/50
C4102
47/50
R4151
220K
R4152
220K
C4101
47/50
Q4030B
NE5532AP
6
5
4
7
R4220
220 Q4206
RN1441
R4218
220K
Q4205
RN1441
R4219
220
Q4210
RN1441
C4219
47/50
C4220
47/50
R4221
100
R4222
100 R4224
10
Q4208
RN1441
R4223
10
Q4207
RN1441
R4236
10
Q4212
RN1441
R4234
100
R4235
10
Q4211
RN1441
R4233
100
R4226
220K
C4217
221J
R4225
220K
C4222
221J
R4238
220K
C4221
221J
R4237
220K
R4239
47
R4240
47
R4227
47
C4243
102J
R4232
220
R4231
220
R4230
220K R4229
220K
R4228
47
R4217
220K
C4216
47/50
C4215
47/50
C4218
221J
Q4209
RN1441
R4258
220K
R4123
2.2K
R4124
2.2K
R4166
100
R4167
100K R4168
100K
R4169
47K
R4171
100K
R4165
100
R4170
100
C4119
47/50
C4120
47/50
Q4031A
NE5532AP
3
21
8
Q4031B
NE5532AP
6
5
4
7
RN1441
RN1441
C4094
100/50
P4008
P4033A
1
2
3
4
5
6
7
8
9
10
11
12
13
R4129
10K
R4130 10K R4131
10K
R4128
22(1/2W)
R4127
22(1/2W)
RA
G
48 NC
47 S13 46 NC 45 S14 44 NC 43 COM1 42 NC 41 COM2
40
38 NC
39
39 COM3 38
40 NC 37
VDD 36
NC 35
CS2 34
STB 33
DATA 32
CK 31
GND 30
CS1 29
NC 28
VSS 27
27 NC
26
26 COM3
25
25 NC
24
COM2 23
NC 22
COM1 21
NC 20
S14 19
NC 18
S13
17
NC
P4032A
1
2
3
4
5
6
7
8
Q4030A
NE5532AP
3
21
8
Q4032A
NE5532AP
2
31
8
Q4032B
NE5532AP
5
6
4
7
P4030A
1
2
3
4
5
6
2
A
2
6
K
R4094
39K
C4065
182J
64
82J
C4066
182J
3
2J
R4099
820
C4067
22/50
R4102
220K
C4070
222J
C4080
220/25
R4100
820
C4068
22/50
C4069
222J
R4114
100(1/2W)
P4030B
6
5
4
3
2
1
C4079
220/25
R4101
220K
Q4291
2SC2120
D4292
UDZS7.5B
D4291
UDZS7.5B
C4291
220/25
R4294
1.5K R4293
1.5K
R4291
47(1/2W)
C4292
220/25
C4293 47/50
C4294 47/50
R4292
47(1/2W)
C4295 220/25
C4296 220/25
C4239
47/50
Q4292
2SA950
P4033B
1
2
3
4
5
-14.4V
6
7
8
9
10
11
12
13
21-OUT
11-C
80
79
78
SRIN1 77
SLIN1 76
SWIN1 75
CIN1 74
FRIN1 73
FLIN1 72
RECL3 71
R
ECR3 70
11/
RECL5 69
5
68
67
4
66
65
64
INL9
63
INR9
C4206
47/50
Q4202B
NE5532AP
6
5
4
7
Q4202A
NE5532AP
3
21
8
Q4201B
NE5532AP
6
5
4
7
Q4201A
NE5532AP
3
21
8
C4205
47/50
C4201
47/50
R4201
220K
C4202
47/50
R4202
220K
C4203
47/50
C4204
47/50
R4203
220K
R4204
220K
R4205
220K
R4206
220K
C4207
47/50
C4208
47/50
R4207
220K
R4208
220K
P4032B
8
7
6
5
4
3
2
1
R4
093
3
9K
R4179
1.2K
R4180
1.2K
+6.9V
-6.9V
+14.4V
-14.4V
R4113
100(1/2W)
U32 AMPLIFIER PC BOARD
O
PC BOARD
NAASP-9080
TO NAASP-9050(2/2)
SD-2
TO NAASP-9050(2/2)
SD-2
Note
SD- X is short or Shce atic Dia ra - and
each soc ets location, X A to H, 1 to 5.
+14.4V
-14.4V
-14.4V
-14.0V
+14.4V
+14.4V
+
14.0V

S E ATI DIA RA -2 SD-2
AUDIO SE TIO
TX-SR875
A
1
2
3
4
5
D
BTLR
MCH_SBR
PZ2R
BTLL MCH_SBL
PZ2L
VIDEO5R
MainAR
MainAL
VIDEO5L
-15V
MCH_SW
VIDEOOUTL
TAPEOUTL
MCH_SL
MCH_C
MCH_SR
MainBL
MainBR
VIDEOOUTR
TAPEOUTR
MIXL
MIXR
MIC
ADR
ADL
GNDAUX2
GNDA
GNDA
AUX2_L AUX2_R
-15VA +15VA
DACFL DACFR DACC DACSW DACSL DACSR DACSBL DACSBR DACSWR DACCR
ASWSTB
GNDA GNDDG HPDET
HPRL
VOLCS VOLSDO VOLCLK
AMUTE
SBZ2MUTE
ASWSDO ASWCLK
VOLMUTE VOLRST
SELSTB SELSDO SELCLK Z2VOLCLK Z2VOLSDO Z2MUTE
TU_L
SR_R
SR_L
XM_L
TU_R
TUMUTE RECMUTE Z3MUTE
GND
XM_R GNDXM
SPRLF SPRLSB
+15V
FR
_S
L
_S
BL
FL
_F
L
_F
R
_C
_S
W
_S
BR
_S
R
TO NADG-9075
SD-8 F4 TO NADG-907
SD-8 G4
C4316
47/50
R4330
220K
R4306 1.5K
R4304
180
R4303
180
Q4306
NJU7311A
ANALOG SW
1
VEE
L1 L2
L-COM1
L3 L4
L-COM2
L5 L6
L-COM3
L7
L-COM4
NC
ST
VSS
CK DATA NC
R-COM4 R7 R-COM3 R6
R5
R-COM2 R4
R3
R-COC1 R2
R1 VDD
C4315
47/50
R4337 10K
R4339
10K
R4338
10K
R4340
10K
R4341
10K
R4342
10K
R4344
10K
R4345
10K
R4307 12K
R4308 12K
R4309 2.2K
R4310 2.2K
R4311
12K
R4312
12K
R4313
2.2K
R4314 2.2K
Q4403
2SC271
2
R4305
1.5K
C
4
Q4304
NJU7312A
VSS
ST
NC
L-COM3
L8 L7
L-COM2
L6 L5 L4
L-COM1
L3 L2 L1 1
VEE
VDD R1 R2 R3
R-COM1R4
R5 R6
R-COM2 R7
R8
R-COM3 NC
DATA CK
Q4305
NJU7313A
VSS
ST
NC L-COM3
L8 L7 L-COM2 L6 L5 L-COM1 L4 L3 L2 L1 1
2
3 4 5 6 7
8 9
10
11
12 13 14 15
16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 VEE
VDD R1 R2 R3 R4 R-COM1 R5 R6 R-COM2 R7 R8 R-COM3 NC DATA CK
R4335
10K
C4321
47/50
R4331
10K
R4336
10K C4322
47/50
R4332
10K
R4347
220K
R4348
220K
Q4401
2SA950
R4343
10K
R4403
2.2K
R4405
330
C4
405
22
0/2
C4320
102J
C4319 102J
R4329
220K
C44
01
100
/25
C4302
100/50
Q
NE
1
Q
NE
Q4303A
NE5532AP
3
2
4
1
Q4303B
NE5532AP
6
5
7
8
P4021A
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26
P4020A
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26
D
UD
ZS
R4302
22(1/2W)
R4301
22(1/2W)
R4401
22(1/2W)
-14.4V
+14.4V
-8.5V
NAASP-9050(2/2) U06 A PLIFIER P OARD
P4110
10
9
8
7
6
5
4
3
2
1-15V
+15V
P4111
10
9
8
7
6
5
4
3
2
1
TO NAETC-9073
SD-14 F2
TO NAETC-9073
SD-14 H2
TO NAASP-9050(1/2) SD-1
TO NAASP-9050(1/2) SD-1
ANALOG SW ANALOG SW
+14.4V
+14.4V
-14.4V
-14.4V
+14.4V
+14.4V
-14.4V
-14.4V
2
3 4 5 6 7
8 9
10
11
12 13 14 15
16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

TX-SR875
EF
VOLSDO
VOLCS
HPDET
GND
GNDDG
C
SR
SBR
R
L
SBL
SL
_SL
_SBL
_FL
_FR
_C
_SW
_SBR
_SR
HP_R
HP_L
VOLMUTE VOLCLK VOLRST
Do n Mi
HEADPHONE AMP
PRE OUT
TO NATRM-9055
SD-7 C2
+12V
RLGND
GND
+15V
+14.4V
-15V
-14.4V
TO NAAF-9039
SD-5 A1 TO NADIS-9088(JL4103B)
SD-13 G2
C4
316
47
/50
R4330
R4324
10K
R4321
10K
R4322
10K
R4328
10K
R4327
10K R4323
10K
C4
315
47
/50
R4641
220K
R4642
220K
R4643
220K
R4644
220K
R4645
220K
Q4621
RN1441
R4661
100
R4651
220 Q4611
RN1441
Q4622
RN1441
R4662
100
Q4612
RN1441
Q4623
RN1441
R4663
100
R4653
220
R4652
220
Q4613
RN1441
Q4624
RN1441
R4664
100
Q4614
RN1441 Q4625
RN1441
R4665
100
R4655
220
R4654
220
Q4615
RN1441
R4504
220K
D4504
D4502
1SS352
D4508
1SS352
D4506
1SS352
R4502
1.8K
C4502
47/50
R4503
220K
D4503
1SS352
D4507
D4505
1SS352
R4507
5.6K
C4407
47/50
R4319
10K
R4320
10K
R4316
10K
R4646
220K
R4647
220K
Q4626
RN1441
R4666
100
Q4616
RN1441 Q4627
RN1441
R4667
100
R4657
220
R4656
220
Q4617
RN1441
R4505
2.2K
R4506
2.2K
R4508
5.6K
R4417
1.8K
R4415
220K
C4653
47/50
R4416
2.2K
C4420
47/50
R4414
220K
R4413
220K
R4315
10K
R4418
18K
Q44
03
SC
2712 Q4404
2SA1162
D4403
UDZ3.3B
R4501
1.8K
C4501
47/50
D4501
C4505
104
D4509
1SS352
R4640
220K
R4650
220 R4660
100
Q4610
RN1441 Q4620
RN1441
Q4406A
NE5532AP
4
1
8
3
2
Q4406B
NE5532AP
76
5
C4415
10/50
C4414
10/50
C4413
10/50
C4403
47/50 C4404
47/50
Q4506
2SC2712
Q4505B
NE5532AP
6
57
Q4505A
NE5532AP
3
2
4
1
8
C4631
221J
R4682
220K
R4683
220K
C4632
221J
C4633
221J
R4684
220K
R4685
220K
C4634
221J
C4635
221J
R4681
220K
R4686
220K
R4687
220K
C4636
221J
C4637
221J
R4696
47
R4697
47
R4695
47
R4694
47
R4693
47
R4692
47
R4691
47
C4421
102J
C4423
104
C4424
104
D4404 1SS352
D4405 1SS352
R4680
220K
R4690
47
C4630
221J
Q4408
2SC2712
Q4407
2SC2712
R4421
1.8K
R4422
1.8K
C4650
47/50
C4655
47/50
C4651
47/50
C4652
47/50
R4517
1.8K
Q4402
2SC2120
R4671
10
R4670
10
R4672
10
R4673
10
R4674
10
R4675
10
R4676
10
R4677
10
C4416
10/50
C4654
47/50
C4656
47/50
C4657
47/50
03
2K
R4404
2.2K
R4406
330
R4405
330
C4405
220/25
RL4401
12
8
10
3
54
9
1
RL4402
12
8
10
3
54
9
1
RL4403
12
8
10
3
54
9
1
RL4404
12
8
10
3
54
9
1
P5000
13
12
11
10
9
8
7
6
5
4
3
2
1
C4311 102J
C4503
102J
C4504
102J
R4329
R4407
1.2K(1/2W)
C4406
220/25
C4401
1
00/25 C4402
100/25
C4419 102J
C4417
100/50
Q4302A
NE5532AP
1
4
2
3
Q4302B
NE5532AP
75
6
8
Q4301A
NE5532AP
1
4
2
3
Q4301B
NE5532AP
75
6
8
C4313 102J
D4401
UDZS9.1B
D4402
UDZS9.1B
P4009
C4422
102J
P4010
C4314 102J C4312 102J
P4100
5
4
1
6
2
7
3
8
P4101
8
6
7
4
5
3
1
2
JL4013B
1
2
3
4
5
JL4014B
6
5
4
3
2
1
Q4405
CS3318
VOLUME
37 OUT3
38 REFO3
39 IN3
40 REFI3
41 REFI2
42 IN2
43 REFO2
44 OUT2
45 VA+
46 VA-
47 OUT1
48 REFO1
1IN1 2REFI1 3RESET 4MUTE 5SCL/CCLK 6SDA/MOSI 7AD0/CS 8ENOut 9DGND
10 VD 11 REFI8 12 IN8
13
REFO8 14
OUT8 15
VA+ 16
VA- 17
OUT7 18
REFO7 19
IN7 20
REFI7 21
REFI6 22
IN6 23
REFO6 24
OUT6
25
VA+ 26
VA- 27
OUT5 28
REFO5 29
IN5 30
REFI5 31 REFI4 32
IN4 33
REFO4 34
OUT4 35
VA+ 36
VA-
R4420
22(1/2W)
RL4501
25
34
1
6
R4518
100K
R4519
39
Q4503
2SA965-
Q4504
2SA965-
Q4501
2SC2235-
Q4502
2SC2235-
R4409 2.2K R4410 330 R4411 330 R4412 2.2K
C4412 101J
C4411 101J
C4410 101J
C4409 101J
R4419
22(1/2W)
R4513
47(1/2W)
R4515
47(1/2W)
R4516
47(1/2W)
R4514
47(1/2W)
R4408 330
C4408 104Z
R4402
22(1/2W)
R4509
2.7K
R4511
2.7K
R4512
2.7K
R4510
2.7K
+14.4V
-14.4V
+8.5V
V
SURROUND
SURROUND
BACK
FRONT
L
R
CENTER
SUB WOOFER
L
R
L
R
Note
SD- X is short or Shce atic Dia ra - and
each soc ets location, X A to H, 1 to 5.
T E COMPO E TS IDE TIFIED MARK ARE CRITICAL FOR SAFET .
REPLACE O L WIT PART M ER SPECIFIED.
VOLTA E MEAS RED WIT VOLTMETER IS DC VOLTA E. O I P T SI AL .
ALL P P TRA SISTORS ARE EQ IVALE T TO 2SA1 15- R LESS OT ERWISE OTED.
ALL P TRA SISTORS ARE EQ IVALE T TO 2SC1815- R LESS OT ERWISE OTED.
ALL DIODES ARE EQ IVALE T TO 1SS133 LESS OT ERWISE OTED.
ELECTROL TIC CAPACITORS ARE I F WV.
ALL CAPACITORS ARE I pF 5 WV LESS OT ERWISE OTED.
EX 3 - 3pF, 33 - 33pF, 331- 33 pF, 333- . 33 F
ALL RESISTORS ARE I O MS 1 4WATTS LESS OT ERWISE OTED.
T E T ICK LI ES O PC OARD ARE T E PRI TI SIDE OF T E PARTS.
EX PRI TI SIDE
CIRC IT IS S ECT TO C A E FOR IMPROVEME T.
NOTE
+8.5V
-8.5V
.4V
V
+12.0V

S E ATI DIA RA -3 SD-3
POWER A PLIFIER SE TIO -1
TX-SR875
A
1
2
3
4
5
D
+BR
-BR
+B1R
-B1R
NFR
+B2R
-B2R
+BSBR
-BSBR
+B1SBR
-B1SBR
NFSBR
+B2SBR
-B2SBR
+BSR
-BSR
+B1SR
-B1SR
NFSR
+B2SR
-B2SR
+BC
-BC
+B1C
-B1C
+B2C
-B2C
SURROUND
BACK R
SURROUND
R
CENTER
FRONT R
NACLA-9064
NACLA-9069
NACLA-9067
NACLA-9065
NACLA-9064,65,67,69
are ully co pati le ith each other.
TO NAAF-9039
SD-5 H3
TO NAAF-9039
SD-5 H3
TO NAAMP-9062
SD-4 B1
TO NAAMP-9062
SD-4 B2
TO NAAMP-9062
SD-4 B3
TO NAAMP-9062
SD-4 B4 TO NAAF-9039
SD-5 H3
TO NAAF-9039
SD-5 H2
TO NAAF-9039
SD-5 H1
TO NAAF-9039
SD-5 H2
TO NAAF-9039
SD-5 H2
TO NAAF-9039
SD-5 H1
-59.3V -11.0V -1.1V
P6031B
1
2
3
4
5
6
P6011A
1
2
3
4
P6036B
1
2
3
4
5
6
P6016A
1
2
3
4
P6034B
1
2
3
4
5
6
P6014A
1
2
3
4
P6032B
1
2
3
4
5
6
P6012A
1
2
3
4
P5011A
1
2
3
P5016A
1
2
3
P5014A
1
2
3
P5012A
1
2
3
R5141
(1/4W)
820
R5041
330
R5011
56K
R5291
100K
D5001 MTZJ5.6B
Q5001
2SC2240-BL
R5031
330
R5071
100K
R5061
2.7K
Q5011
2SC2240-BL
R5051
5.6K
Q5021
2SC2240-BL
C5021
221K
R5001
1K
R5171
(1/4W)
820
R5121
2.2K
R5111
2.2K
Q5061
2SC2240-BL
Q5071
2SC2240-BL
Q5041
2SA949
C5081 22/63
+
R5221
18K
C5101
101K
R5181
(1/4W)
33
R5131
(1/4W)
820
R5161
(1/4W)
1K
R5211
18K
C5131
100/100
+
Q5031
2SA949
C5121
100/100
+
C5071
10/100
+
R6051
2.7K
R6011
4.7K
R6021
3.3K
R6111
10K C6001
102J
R6031
1.8K
Q6021
2SA933
R6291
(1/4W)
2.2
R6301
(1/4W)
2.2
Q6101
2SA1930
R6251
(1/4W)
120
R6261
(1/4W)
120
Q6041
2SA949
Q6011
2SC1740S_S
R5231(1/4W)
15
R5021
330
Q6111
2SC5171
Q6031
2SC2229
P5021A
R5091
1.8K
R5301
(1/4W)
82
R5331
(1/4W)
82
C5011
47/50
+
C5041
220/25
+
C5051
10/50
+
R6281
(1/4W)
18 R6271
(1/4W)
18
R6311
(1/4W)
10
R6061
(1/4W)
120
R5241 (1/4W)
15
C6021
47/50
R5261
270K
R5251
56K
C6011
47/50
R5361
560K
R5371
120K
C5111
010D
R5281
(1/2W)
10K
R5151
(1/2W)
10K
R6041
1K
Q5051
2SA1360
Q5081
2SC3423-
R6071
(1/4W)
82
R5146
(1/4W)
820
R5046
330
R5016
56K
R5296
100K
D5006
MTZJ5.6B
Q5006
2SC2240-BL
R5036
330
R5076
100K
R5066
2.7K
Q5016
2SC2240-BL
R5056
5.6K
Q5026
2SC2240-BL
C5026
221K
R5006
1K
R5176
(1/4W)
820
R5126
2.2K
R5116
2.2K
Q5066
2SC2240-BL
Q5076
2SC2240-BL
Q5046
2SA949
C5086 22/63
+
R5226
18K
C5106
101K
R5186
(1/4W)
33
R5136
(1/4W)
820
R5166
(1/4W)
1K
R5216
18K
C5136
100/100
+
Q5036
2SA949
C5126
100/100
+
C5076
10/100
+
R6056
2.7K
R6016
4.7K
R6026
3.3K
R6116
10K C6006
102J
R6036
1.8K
Q6026
2SA933
R6296
(1/4W)
2.2
R6306
(1/4W)
2.2
Q6106
2SA1930
R6256
(1/4W)
120
R6266
(1/4W)
120
Q6046
2SA949
Q6016
2SC1740S_S
R5236
(1/4W)
15
R5026
330
Q6116
2SC5171
Q6036
2SC2229
P5026A
R5096
1.8K
R5306
(1/4W)
82
R5336
(1/4W)
82
C5016
47/50
+
C5046
220/25
+
C5056
10/50
+
R6286
(1/4W)
18
R6276
(1/4W)
18
R6316
(1/4W)
10
R6066
(1/4W)
120
R5246 (1/4W)
15
C6026
47/50
R5266
270K
R5256
56K
C6016
47/50
R5366
560K
R5376
120K
C5116
010D
R5286
(1/2W)
10K
R5156
(1/2W)
10K
R6046
1K
Q5056
2SA1360
Q5086
2SC3423-
R6076
(1/4W)
82
R5144
(1/4W)
820
R5044
330
R5014
56K
R5294
100K
D5004
MTZJ5.6B
Q5004
2SC2240-BL
R5034
330
R5074
100K
R5064
2.7K
Q5014
2SC2240-BL
R5054
5.6K
Q5024
2SC2240-BL
C5024
221K
R5004
1K
R5174
(1/4W)
820
R5124
2.2K
R5114
2.2K
Q5064
2SC2240-BL
Q5074
2SC2240-BL
Q5044
2SA949
C5084 22/63
+
R5224
18K
C5104
101K
R5184
(1/4W)
33
R5134
(1/4W)
820
R5164
(1/4W)
1K
R5214
18K
C5134
100/100
+
Q5034
2SA949
C5124
100/100
+
C5074 10/100
+
R6054
2.7K
R6014
4.7K
R6024
3.3K
R6114
10K C6004
102J
R6034
1.8K
Q6024
2SA933
R6294
(1/4W)
2.2
R6304
(1/4W)
2.2
Q6104
2SA1930
R6254
(1/4W)
120
R6264
(1/4W)
120
Q6044
2SA949
Q6014
2SC1740S_S
R5234
(1/4W)
15
R5024
330
Q6114
2SC5171
Q6034
2SC2229
P5024A
R5094
1.8K
R5304
(1/4W)
82
R5334
(1/4W)
82
C5014
47/50
+
C5044
220/25
+
C5054
10/50
+
R6284
(1/4W)
18
R6274
(1/4W)
18
R6314
(1/4W)
10
R6064
(1/4W)
120
R5244 (1/4W)
15
C6024
47/50
R5264
270K
R5254
56K
C6014
47/50
R5364
560K
R5374
120K
C5114
010D
R5284
(1/2W)
10K
R5154
(1/2W)
10K
R6044
1K
Q5054
2SA1360
Q5084
2SC3423-
R6074
(1/4W)
82
R5142
(1/4W)
820
R5042
330
R5012
56K
R5292
100K
D5002
MTZJ5.6B
Q5002
2SC2240-BL
R5032
330
R5072
100K
R5062
2.7K
Q5012
2SC2240-BL
R5052
5.6K
Q5022
2SC2240-BL
C5022
221K
R5002
1K
R5172
(1/4W)
820
R5122
2.2K
R5112
2.2K
Q5062
2SC2240-BL
Q5072
2SC2240-BL
Q5042
2SA949
C5082 22/63
+
R5222
18K
C5102
101K
R5182
(1/4W)
33
R5132
(1/4W)
820
R5162
(1/4W)
1K
R5212
18K
C5132
100/100
+
Q5032
2SA949
C5122
100/100
+
C5072 10/100
+
R6052
2.7K
R6012
4.7K
R6022
3.3K
R6112
10K C6002
102J
R6032
1.8K
Q6022
2SA933
R6292
(1/4W)
2.2
R6302
(1/4W)
2.2
Q6102
2SA1930
R6252
(1/4W)
120
R6262
(1/4W)
120 Q6042
2SA949
Q6012
2SC1740S_S
R5232
(1/4W)
15
R5022
330
Q6112
2SC5171
Q6032
2SC2229
P5022A
R5092
1.8K
R5302
(1/4W)
82
R5332
(1/4W)
82
C5012
47/50
+
C5042
220/25
+
C5052
10/50
+
R6282
(1/4W)
18
R6272
(1/4W)
18
R6312
(1/4W)
10
R6062
(1/4W)
120
R5242
(1/4W)
15
C6022
47/50
R5262
270K
R5252
56K
C6012
47/50
R5362
560K
R5372
120K
C5112
010D
R5282
(1/2W)
10K
R5152
(1/2W)
10K
R6042
1K
Q5052
2SA1360
Q5082
2SC3423-
R6072
(1/4W)
82
U19
DRIVER A P
P OARD
U24
DRIVER A P
P OARD
U22
DRIVER A P
P OARD
U20
DRIVER A P
P OARD
+65V
-0.6V
+0.6V
-65V
-1.1V
+1.1V
+64.8V
+62.8V
+53.3V
+62.8V
+52.7V
-0.6V
-0.9V
+64.0V
+63.4V
0.0V
-63.3V
-64.8V
+65V
-0.6V
+0.6V
-65V
-1.1V
+1.1V
+64.8V
+62.8V
+53.3V
+62.8V
+52.7V
-0.6V
-0.9V
+64.0V
+63.4V
0.0V
-63.3V
-64.8V
+65V
-0.6V
+0.6V
-65V
-1.1V
+1.1V
+64.8V
+62.8V
+53.3V
+62.8V
+52.7V
-0.6V
-0.9V
+64.0V
+63.4V
0.0V
-63.3V
-64.8V
-59.3V -11.0V
-59.3V -11.0V
+65V
-0.6V
+0.6V
-65V
-1.1V
+1.1V
+64.8V
+62.8V
+53.3V
+62.8V
+52.7V
-0.6V
-0.9V
+64.0V
+63.4V
0.0V
-63.3V
-64.8V
-59.3V -11.0V

TX-SR875
EF
+BSL
-BSL
+B1SL
-B1SL
+B2SL
-B2SL
+BSBL
-BSBL
+B1SBL
-B1SBL
+B2SBL
-B2SBL
+BL
-BL
+B1L
-B1L
+B2L
-B2L
FRONT L
SURROUND
BACK L
SURROUND
L
NACLA-9063
NACLA-9068
NACLA-9066
NACLA-9063,66,68
are ully co pati le ith each other.
TO NAAF-9039
SD-5 H4
TO NAAF-9039
SD-5 H4
TO NAAF-9039
SD-5 H5
TO NAAF-9039
SD-5 H4
TO NAAMP-9061
SD-4 F1
TO NAAF-9039
SD-5 H4
TO NAAMP-9061
SD-4 F2
TO NAAF-9039
SD-5 H5
TO NAAMP-9061
SD-4 F3
-11.0V
P5010A
1
2
3
P5015A
1
2
3
P5013A
1
2
3
P6013A
1
2
3
4
P6033B
1
2
3
4
5
6
P6015A
1
2
3
4
P6035B
1
2
3
4
5
6
P6030B
1
2
3
4
5
6
P6010A
1
2
3
4
R5143
(1/4W)
820
R5043
330
R5013
56K
R5293
100K
D5003
MTZJ5.6B
Q5003
2SC2240-BL
R5033
330
R5073
100K
R5063
2.7K
Q5013
2SC2240-BL
R5053
5.6K
Q5023
2SC2240-BL
C5023
221K
R5003
1K
R5173
(1/4W)
820
R5123
2.2K
R5113
2.2K
Q5063
2SC2240-BL
Q5073
2SC2240-BL
Q5043
2SA949
C5083 22/63
+
R5223
18K
C5103
101K
R5183
(1/4W)
33
R5133
(1/4W)
820
R5163
(1/4W)
1K
R5213
18K
C5133
100/100
+
Q5033
2SA949
C5123
100/100
+
C5073 10/100
+
R6053
2.7K
R6013
4.7K
R6023
3.3K
R6113
10K C6003
102J
R6033
1.8K
Q6023
2SA933
R6293
(1/4W)
2.2
R6303
(1/4W)
2.2
Q6103
2SA1930
R6253
(1/4W)
120
R6263
(1/4W)
120
Q6043
2SA949
Q6013
2SC1740S_S
R5233
(1/4W)
15
R5023
330
Q6113
2SC5171
Q6033
2SC2229
P5023A
R5093
1.8K
R5303
(1/4W)
82
R5333
(1/4W)
82
C5013
47/50
+
C5043
220/25
+
C5053
10/50
+
R6283
(1/4W)
18
R6273
(1/4W)
18
R6313
(1/4W)
10
R6063
(1/4W)
120
R5243 (1/4W)
15
C6023
47/50
R5263
270K
R5253
56K
C6013
47/50
R5363
560K
R5373
120K
C5113
010D
R5283(1/2W)
10K
R5153
(1/2W)
10K
R6043
1K
Q5053
2SA1360
Q5083
2SC3423-
R6073
(1/4W)
82
R5145
(1/4W)
820
R5045
330
R5015
56K
R5295
100K
D5005
MTZJ5.6B
Q5005
2SC2240-BL
R5035
330
R5075
100K
R5065
2.7K
Q5015
2SC2240-BL
R5055
5.6K
Q5025
2SC2240-BL
C5025
221K
R5005
1K
R5175
(1/4W)
820
R5125
2.2K
R5115
2.2K
Q5065
2SC2240-BL
Q5075
2SC2240-BL
Q5045
2SA949
C5085 22/63
+
R5225
18K
C5105
101K
R5185
(1/4W)
33
R5135
(1/4W)
820
R5165
(1/4W)
1K
R5215
18K
C5135
100/100
+
Q5035
2SA949
C5125
100/100
+
C5075
10/100
+
R6055
2.7K R6015
4.7K
R6025
3.3K
R6115
10K C6005
102J
R6035
1.8K
Q6025
2SA933
R6295
(1/4W)
2.2
R6305
(1/4W)
2.2
Q6105
2SA1930
R6255
(1/4W)
120
R6265
(1/4W)
120
Q6045
2SA949
Q6015
2SC1740S_S
R5235
(1/4W)
15
R5025
330
Q6115
2SC5171
Q6035
2SC2229
P5025A
R5095
1.8K
R5305
(1/4W)
82
R5335
(1/4W)
82
C5015
47/50
+
C5045
220/25
+
C5055
10/50
+
R6285
(1/4W)
18
R6275
(1/4W)
18
R6315
(1/4W)
10
R6065
(1/4W)
120
R5245 (1/4W)
15
C6025
47/50
R5265
270K
R5255
56K
C6015
47/50
R5365
560K
R5375
120K
C5115
010D
R5285
(1/2W)
10K
R5155
(1/2W)
10K
R6045
1K
Q5055
2SA1360
Q5085
2SC3423-
R6075
(1/4W)
82
R5140
(1/4W)
820
R5040
330
R5010
56K
R5290
100K
D5000 MTZJ5.6B
Q5000
2SC2240-BL
R5030
330
R5070
100K
R5060
2.7K
Q5010
2SC2240-BL
R5050
5.6K
Q5020
2SC2240-BL
C5020
221K
R5000
1K
R5170
(1/4W)
820
R5120
2.2K
R5110
2.2K
Q5060
2SC2240-BL
Q5070
2SC2240-BL
Q5040
2SA949
C5080 22/63
+
R5220
18K
C5100
101K
R5180
(1/4W)
33
R5130
(1/4W)
820
R5160
(1/4W)
1K
R5210
18K
C5130
100/100
+
Q5030
2SA949
C5120
100/100
+
C5070 10/100
+
R6050
2.7K
R6010
4.7K
R6020
3.3K
R6110
10K C6000
102J
R6030
1.8K
Q6020
2SA933
R6290
(1/4W)
2.2
R6300
(1/4W)
2.2 Q6100
2SA1930
R6250
(1/4W)
120
R6260
(1/4W)
120
Q6040
2SA949
Q6010
2SC1740S_S
R5230
(1/4W)
15
R5020
330
Q6110
2SC5171
Q6030
2SC2229
P5020A
R5090
1.8K
R5300
(1/4W)
82
R5330
(1/4W)
82
C5010
47/50
+
C5040 220/25
+
C5050
10/50
+
R6280
(1/4W)
18
R6270
(1/4W)
18
R6310
(1/4W)
10
R6060
(1/4W)
120
R5240 (1/4W)
15
C6020
47/50
R5260
270K
R5250
56K
C6010
47/50
R5360
560K
R5370
120K
C5110
010D
R5280
(1/2W)
10K
R5150
(1/2W)
10K
R6040
1K
Q5050
2SA1360
Q5080
2SC3423-
R6070
(1/4W)
82
U18
DRIVER A P
P OARD
U23
DRIVER A P
P OARD
U21
DRIVER A P
P OARD
Note
SD- X is short or Shce atic Dia ra - and
each soc et s location, X A to H, 1 to 5.
T E COMPO E TS IDE TIFIED MARK ARE CRITICAL FOR SAFET .
REPLACE O L WIT PART M ER SPECIFIED.
VOLTA E MEAS RED WIT VOLTMETER IS DC VOLTA E. O I P T SI AL .
ALL P P TRA SISTORS ARE EQ IVALE T TO 2SA1 15- R LESS OT ERWISE OTED.
ALL P TRA SISTORS ARE EQ IVALE T TO 2SC1815- R LESS OT ERWISE OTED.
ALL DIODES ARE EQ IVALE T TO 1SS133 LESS OT ERWISE OTED.
ELECTROL TIC CAPACITORS ARE I F WV.
ALL CAPACITORS ARE I pF 5 WV LESS OT ERWISE OTED.
EX 3 - 3pF, 33 - 33pF, 331- 33 pF, 333- . 33 F
ALL RESISTORS ARE I O MS 1 4WATTS LESS OT ERWISE OTED.
T E T ICK LI ES O PC OARD ARE T E PRI TI SIDE OF T E PARTS.
EX PRI TI SIDE
CIRC IT IS S ECT TO C A E FOR IMPROVEME T.
NOTE
+65V
-0.6V
+0.6V
-65V
-1.1V
+1.1V
+64.8V
+62.8V
+53.3V
+62.8V
+52.7V
-0.6V
-0.9V
+64.0V
+63.4V
0.0V
-63.3V
-64.8V
-59.3V -11.0V
+65V
-0.6V
+0.6V
-65V
-1.1V
+1.1V
+64.8V
+62.8V
+53.3V
+62.8V
+52.7V
-0.6V
-0.9V
+64.0V
+63.4V
0.0V
-63.3V
-64.8V
-59.3V -11.0V
+65V
-0.6V
+0.6V
-65V
-1.1V
+1.1V
+64.8V
+62.8V
+53.3V
+62.8V
+52.7V
-0.6V
-0.9V
+64.0V
+63.4V
0.0V
-63.3V
-64.8V
-59.3V -11.0V

S E ATI DIA RA -4 SD-4
POWER A PLIFIER SE TIO -2
TX-SR875
A
1
2
3
4
5
D
+B
-B
NFR
-B1R
+B1R
SPR
NFSBR
-B1SBR
+B1SBR
SPSBR
NFSR
-B1SR
+B1SR
SPSR
NFC
-B1C
+B1C
SPC
+B POWER SUPPL
-B POWER SUPPL
(COPPERBUS PLATE)
SURROUND R
SURROUND BACK
R
FRONT R
CENTER
VOLH VPRO IPRO
NAAMP-9062
TO NACLA-9064
SD-3 D2
TO NAAF-9039
SD-5 F3
TO NACLA-9069
SD-3 D3
TO NACLA-9067
SD-3 D4
TO NACLA-9065
SD-3 D5
TO NATRM-9055
SD-7 D5
TO NATRM-9055
SD-7 D5
TO NATRM-9055
SD-7 D5
TO NATRM-9055
SD-7 D5
TO NAAF-9039
SD-5 E3
ID-
ID+
IPRO
VPRO
VOLH
ID-
ID+
IPRO
VPRO
VOLH
ID-
ID+
IPRO
VPRO
VOLH
ID-
ID+
IPRO
VPRO
VOLH
P6250A
P6250D P6250B
P6250C
JL6042B
1
2
3
JL6041B
1 2 3
P6350B
P6350C
P6031A
6
5
4
3
2
1
P6036A
6
5
4
3
2
1
P6034A
6
5
4
3
2
1
P6032A
6
5
4
3
2
1
P6350A
1 2
R6231
47K
R6211
47K
R6171
33K
Q6071
2SC2240
R6661
R6161
R6151
100
(1/4W)
100
(1/4W)
100
(1/4W)
100
(1/4W) 100
(1/4W)
100
(1/4W)
100
(1/4W) 100
(1/4W)
100
(1/4W) 100
(1/4W)
100
(1/4W)
100
(1/4W)
100
(1/4W)
100
(1/4W) 100
(1/4W)
100
(1/4W)
R6651
C6041
223J
R6341
R6361
R6351
R6331
0.22(1/2W)
0.22(1/2W)
0.22(1/2W)
0.22(1/2W)
0.22(1/2W)
0.22(1/2W)
0.22(1/2W)
0.22(1/2W)
0.22(1/2W)
0.22(1/2W)
0.22(1/2W)
0.22(1/2W)
0.22(1/2W)
0.22(1/2W)
0.22(1/2W)
0.22(1/2W)
P6071
1
R6091
R6181
12K
L6001
L6011
R6401 0.22(5W)
R6411 0.22(5W)
D6001
1SS133
R6081
10(1/4W)
10(1/4W)
10(1/4W)
10(1/4W)
10(1/4W)
10(1/4W)
10(1/4W)
10(1/4W)
R6191
5.6K
P6051
2SC5242
1
P6081
2SC5242
1
P6061
2SA1962
1
P6091
2SA1962
1
R6236
47K
R6216
47K
R6176
33K
Q6076
2SC2240
R6666
R6166
R6156
R6656
C6046
223J
R6346
R6366
R6356
R6336
P6076
1
R6096
R6186
12K
L6006
L6016
R6406 0.22(5W)
R6416 0.22(5W)
D6006
1SS133
R6086
R6196
5.6K
P6056
2SC5242
1
P6086
2SC5242
1
P6066
2SA1962
1
P6096
2SA1962
1
R6234
47K
R6214
47K
R6174
33K
Q6074
2SC2240
R6664
R6164
R6154
R6654
C6044
223J
R6344
R6364
R6354
R6334
P6074
1
R6094
R6184
12K
L6004
L6014
R6404 0.22(5W)
R6414 0.22(5W)
D6004
1SS133
R6084
R6194
5.6K
P6054
2SC5242
1
P6084
2SC5242
1
P6064
2SA1962
1
P6094
2SA1962
1
R6232
47K
R6212
47K
R6172
33K
Q6072
2SC2240
R6662
R6162
R6152
R6652
C6042
223J
R6342
R6362
R6352
R6332
P6072
1
R6092
R6182
12K
L6002
L6012
R6402 0.22(5W)
R6412 0.22(5W)
D6002
1SS133
R6082
R6192
5.6K
P6052
2SC5242
1
P6082
2SC5242
1
P6062
2SA1962
1
P6092
2SA1962
1
U17 POWER A P
P OARD +65V
-65V
+0.6V
-0.6V
0.0V
+65V
-65V
+0.6V
-0.6V
0.0V
+65V
-65V
+0.6V
-0.6V
0.0V
+65V
-65V
+0.6V
-0.6V
0.0V

TX-SR875
EF
NFL
-B1L
+B1L
SPL
NFSBL
-B1SBL
+B1SBL
SPSBL
NFSL
-B1SL
+B1SL
SPSL
+B POWER SUPPL
-B POWER SUPPL
(COPPER BUS PLATE)
FRONT L
SURROUND BACK
L
SURROUND L
VOLH VPRO IPRO
NAAMP-9061
TO NACLA-9063
SD-3 H2
TO NACLA-9068
SD-3 H3
TO NACLA-9066
SD-3 H4
TO NAAF-9039
SD-5 F3
TO NATRM-9055
SD-7 D5 TO NATRM-9055
SD-7 D5
TO NATRM-9055
SD-7 D5
ID-
ID+
IPRO
VPRO
VOLH
ID-
ID+
IPRO
VPRO
VOLH
ID-ID+
IPRO
VPRO
VOLH
P6240C P6240B P6240A
P6042A
3 2 1
P6340B
P6340C
P6030A
6
5
4
3
2
1
P6035A
6
5
4
3
2
1
P6033A
6
5
4
3
2
1
P6340A
1 2
R6230
47K
R6210
47K
R6170
33K
Q6070
2SC2240
R6660
R6160
R6150
100
(1/4W)
100
(1/4W)
100
(1/4W)
100
(1/4W) 100 (1/4W)
100
(1/4W)
100
(1/4W) 100
(1/4W)
100
(1/4W)
100
(1/4W)
100
(1/4W)
100
(1/4W)
R6650
C6040
223J
R6340
R6360
R6350
R6330
0.22(1/2W)
0.22(1/2W)
0.22(1/2W)
0.22(1/2W)
0.22(1/2W)
0.22(1/2W)
0.22(1/2W)
0.22(1/2W)
0.22(1/2W)
0.22(1/2W)
0.22(1/2W)
0.22(1/2W)
P6070
1
R6090
R6180
12K
L6000
L6010
R6400 0.22(5W)
R6410 0.22(5W)
D6000
1SS133
R6080
10(1/4W)
10(1/4W)
10(1/4W)
10(1/4W)
10(1/4W)
10(1/4W)
R6190
5.6K
P6050
2SC5242
1
P6080
2SC5242
1
P6060
2SA1962
1
P6090
2SA1962
1
R6235
47K
R6215
47K
R6175
33K
Q6075
2SC2240
R6665
R6165
R6155
R6655
C6045
223J
R6345
R6365
R6355
R6335
P6075
1
R6095
R6185
12K
L6005
L6015
R6405 0.22(5W)
R6415 0.22(5W)
D6005
1SS133
R6085
R6195
5.6K
P6055
2SC5242
1
P6085
2SC5242
1
P6065
2SA1962
1
P6095
2SA1962
1
R6233
47K
R6213
47K
R6173
33K
Q6073
2SC2240
R6663
R6163
R6153
R6653
C6043
223J
R6343
R6363
R6353
R6333
P6073
1
R6093
R6183
12K
L6003
L6013
R6403 0.22(5W)
R6413 0.22(5W)
D6003
1SS133
R6083
R6193
5.6K
P6053
2SC5242
1
P6083
2SC5242
1
P6063
2SA1962
1
P6093
2SA1962
1
U16 POWER A P
P OARD
Note
SD- X is short or Shce atic Dia ra - and
each soc et s location, X A to H, 1 to 5.
T E COMPO E TS IDE TIFIED MARK ARE CRITICAL FOR SAFET .
REPLACE O L WIT PART M ER SPECIFIED.
VOLTA E MEAS RED WIT VOLTMETER IS DC VOLTA E. O I P T SI AL .
ALL P P TRA SISTORS ARE EQ IVALE T TO 2SA1 15- R LESS OT ERWISE OTED.
ALL P TRA SISTORS ARE EQ IVALE T TO 2SC1815- R LESS OT ERWISE OTED.
ALL DIODES ARE EQ IVALE T TO 1SS133 LESS OT ERWISE OTED.
ELECTROL TIC CAPACITORS ARE I F WV.
ALL CAPACITORS ARE I pF 5 WV LESS OT ERWISE OTED.
EX 3 - 3pF, 33 - 33pF, 331- 33 pF, 333- . 33 F
ALL RESISTORS ARE I O MS 1 4WATTS LESS OT ERWISE OTED.
T E T ICK LI ES O PC OARD ARE T E PRI TI SIDE OF T E PARTS.
EX PRI TI SIDE
CIRC IT IS S ECT TO C A E FOR IMPROVEME T.
NOTE
+65V
-65V
+0.6V
-0.6V
0.0V
+65V
-65V
+0.6V
-0.6V
0.0V
+65V
-65V
+0.6V
-0.6V
0.0V

S E ATI DIA RA -5 SD-5
POWER SUPPL SE TIO
TX-SR875
A
1
2
3
4
5
D
IPRO
GNDDG
+3.3VDG
THERMAL_1
THERMAL_2
VOLH
C
S1L-
S1M+
S1M-
PROTECT
SEC1M
SEC1H
FANCTRL
VPRO
VOLH
THER_1 +3.3V_1 GNDDG_1
S1H+
S1H-
S1L+
GND_AMP
+12V
FAN GND
SBL
SL
L
R
SR
SBR
FAN
FAN
NAETC-9042
NAETC-9043
20A-UL-250V
20A-UL-250V
20A-UL-250V
20A-UL-250V
NAPS-9040
TO NAASP-9050(2/2)
SD-2 H3
TO NADG-9075
SD-8 H2
TO NATRM-9055
SD-7 D2
TO POWER TRANS
SD-14 D3
NAAF-9039
C6701
100/25
+
C6706
10/50
+
JL6402B
1
2
3
Q6701
2SC1740S
D6701
1SS133
D6702
1SS133
Q6702
2SC1740S
D6704
MTZJ3.3B
JL6403B
1
2
3
Q6226
2SB1068-U
D6222
1SS133
D6221
1SS133
R6710
2.7K
R6709
5.6K
R6708
33K
LM6
1C
Q6380
LM61CIZ
1G
2O
3
V
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
2SA992-E
Q6551
2SA950
Q6560
2SC1815
R6560
4.7K
C6222
220/25
Q6561
2SA950
Q6550
2SC1815
R6550
4.7K
RL6601 4
3
2
1
JL6602B
1
2
3
4F6602
F6601
F6603
F6604
P6500
7
6
5
4
3
2
1
RL6611
4
32
1
P7210A
1
2
3
4
5
6
7
8
9
R6222
(1W)
JL64
03A
JL6402A
3 2 1
R6612
4.7K
R6611
1K
R6601
1K
R6223
5.6K
JL6602A
4
3
2
1
P6601A
7
6
5
4
3
2
1
JL6900A
1
2
3
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
U01 A PLIFIER P OARD
U04
TERAL
SE SOR
P OARD
TERAL
SE SOR
P OARD
U05
U02 POWER SUPPL
P OARD

TX-SR875
EF
GNDDG_2 +3.3V_2 THER_2
-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
MID-B
HI-B
2
C
SR
SBR
FR
FL
SBL
SL
LO-B
Trans center tap
NAPS-9041
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
P6140D (BLU) P6140F
(BRN)
C6902
+
Q6381
L
M61CIZ
1G
2O
3
V
P6140A (WHT) P6140B
(RED) P6140C
(GRN)
P6140A-G(SOCKETAS)
TO NATRM-9055
SD-7 D2 (P6140H)
P6601E
P6601F
P6601G
C6901
15000/71
15000/71
+
P6601H
P6340
P6340B
P6350B
1 2
1 2 1 2
3 4
JL6
403A
3 2 1
P6140G ( EW)
P6401
JL6041A
1
2
3
P6601A
P6601
SOCKETAS
7
6
5
4
3
2
1
P6601D
P6603B
P6602B
P6602 P6603
D6611
LN25XB60
4
3
1
2
D6621
LN25XB60
43
1CONTACT B SCREW
CONTACT B SCREW
2
P6140E (GR )
D6601
LN25XB60
4
3
1
2
P6601C
P6601I
334J/250V
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
U03 POWER SUPPL
P OARD
Note
SD- X is short or Shce atic Dia ra - and
each soc et s location, X A to H, 1 to 5.

S E ATI DIA RA -6 SD-6
VIDEO SE TIO
TX-SR875
A
1
2
3
4
5
D
DACS DACCV DACSC
V4SC
V4S
V4CV
V3S
V3CV
V3SC
V2SC
V2CV
V2S
V1CV
V1S
V1SC
DVDS
DVDCV
DVDSC
CV_M
V1CV
DVDCV
V3CV V2CV V4CV
V5CV
V4S
V5S
V3S
V2S V1S
DVDS
V4SC
V5SC
V3SC V2SC V1SC
DVDSC
RS3 RS2 RS1
RS1 RS2 RS3
RS1 RS2 RS3
RS4 RS5 RS6
LS1
CVDET
SDET
P DET
P OUT
DACPB
R
S7
DACPR
PBOUT
DACP
S_M
CV_M
SC_M
PROUT1
PBOUT1
P OUT1
PROUT
C
C
C
C
C
C
C
MAIN C
MAIN
MAIN V
Co o e
OUT
D
S
G
G
D
S
Co o e
2 IN
Co o e
OUT
IN
DVD
MONITOR
OUT
Co o e
1 IN
3 IN
VCR/DVR
CBL/SAT
GAME/TV
AUX1
R2217
100
C2227
1/50
R2218
100
C2232
104Z
R2001 75 R2002 75 R2003 75
C2002
10/50
C2001
104Z
C2003
10/50
C2005
10/50
C2006
10/50
C2004
104Z
R2004 75 R2005 75 R2006 75
C2007
102K
C2011
102K
R2019 75
R2020 75
R2021 75
R2038 100K
R2039 100K
R2041
100K
R2042
100K
R2043
100K
C2027
104Z
C2028
104Z
C2031
104Z
C2032
104Z
C2035
104Z
C2036
104Z
C2009
10/50
C2010
10/50
R2007 75 R2008 75 R2009 75
R2029 100K
R2032
10K
R2031
10K R2030
10K
C2024 104Z
C2013
10/50
C2014
10/50
C2017
10/50
C2018
10/50
R2023
75
R2024
75
R2022 75
C2019 102K
C2044
104Z
C2052
104Z
C2051
104Z
P2004
4
2
5
1
3
C2008
104Z
R2010
75
R2011
75
R2012
75
C2012
104Z
C2016
104Z
R2025
100K
R2026
100K
R2027
100K
R2013 100K R2014 100K R2015
100K
P2002
1
2
8
9
10 3
12
11
5
4
P2003
1
2
8
9
10 3
12
11
5
4
R2016 75 R2017 75 R2018 75
C2202 104Z
C2204
104Z
C2203 1/50
C2208 104Z
C2207 1/50
C2210
104Z
C2209 1/50
C2205 1/50
C2206 104Z
R2202
75
R2203
75
R2204
75
R2205
75
R2206
75
C2015
102K
R2207
75
C2211 1/50
C2212 104Z
C2214
1/50
C2215 104Z
C2216 1/50
C2217
104Z
C2218 1/50
C2219 104Z
C2221
102K
R2201
75
R2208
75
R2209
75
C2222
104Z
C2223
104Z
C2224
104Z
R2216 10K
C2225
104Z
C2226
104Z
C2233
104Z
C2234
104Z
Q2204
2SK3019 Q2205
2SK3019
C2201 1/50
C2236 104Z
C2237
10/50
C2043
104Z
C2240
104Z
C224110/50
C2243
10/50
Q2006
74HC4051
14 26 3COM 47 55 6INH 7VEE 8VSS 9
C10
B11 A12
313 014 115 216
VDD
Q2008
74HC4051
14 26 3COM 47 55 6INH 7VEE 8VSS 9
C10
B11 A12
313 014 115 216
VDD
Q2010
74HC4051
14 26 3COM 47
8 CH MULTIPLEXER
8 CH MULTIPLEXER
8 CH MULTIPLEXER
55 6INH 7VEE 8VSS 9
C10
B11 A12
313 014 115 216
VDD
Q2013
NJM2587
1SC IN
2NC
3V IN
4GND in
5S IN
6V+1
7V-1
8IN
9V+2
10 GND in
11 C IN
12 GND in C
13 Cr IN
14 V-2
15 GND in Cr
16 PS2
17
NC
18
GND out Cr
19
V-3
20
GND out C
21
Cr OUT
22
GND out
23
C OUT
24
V+3
25
OUT
26
V-4
27
S OUT
28
V+4
29
V OUT
30
GND out
31
SC OUT
32
PS1
Q2201
NJW1321
VIDEO SW
1V+
2P IN2
3GND
4Pr IN2
5GND
6IN1
7V+
8P IN1
9V+
10 Pr IN1
11 GND
12 PORT3
13 PORT2
14 ADR
15 SCL 16 SDA 17 GND 18 DGND
19 VREF
20 V+ 21 Pr OUT2 22 PORT1 23 PORT0 24 P OUT2
25
AUX0 26
AUX1 27
OUT2 28
AUX2 29
AUX3 30
Pr OUT3 31
GND 32
P OUT1 33
GND 34
OUT1 35
V+ 36
IN4 37
V+ 38
P IN4
39
GND 40
Pr IN4 41
V+ 42
IN3
43
GND 44
P IN3 45
V+ 46
Pr IN3 47
GND 48
IN2
P2001
1
2
8
9
10 3
12
11
5
4
P2201
Cr/Pr
C/P
Cr/Pr
C/P
R2246 2.2
C2248 220/6.3
R2046 2.2
C2025
470/6.3
C2026
470/6.3
C2054
104Z
C2053
104Z
C2046
104Z
C2045
104Z
C2228
104Z
C2229
10/50 C2230
104Z
C2231
10/50
R2219
2.2
R22231K
R2040 100K
R2227
10K
R2220
1K
R2221
1K
R22221K
Q2012
NJM2587
VIDEO AMP
1SC IN
2NC
3V IN
4GND in
5S IN
6V+1
7V-1
8IN
9V+2
10 GND in
11 C IN
12GND in C
13 Cr IN
14 V-2
15 GND in Cr
16 PS2
17
NC
18
GND out Cr
19
V-3
20
GND out C
21
Cr OUT
22
GND out
23
C OUT
24
V+3
25
OUT
26
V-4
27
S OUT
28
V+4
29
V OUT
30
GND out
31
SC OUT
32
PS1
C2245
104Z
R2271
10K
R2230
1K
C2244
104Z
C2242 104Z
R2247
1K
C2249
104Z
Q2206
NJM2586A
VIDEO AMP
1CH1 IN1
2SW1
3CH1 IN2
4SW2
5CH1 IN3
6GND
7V+1
8CH2 IN1
9GND
10 CH2 IN2
11 GND
12 CH2 IN3 13
CH3 IN3
14
GND
15
CH3 IN2
16
V-1
17
CH3 IN1
18
V-2
19
GND
20
CH3 OUT
21
V+2
22
CH2 OUT
23
PS
24
CH1 OUT
R2231 2.2
C2246
220/6.3
P2202
Cr/Pr
C/P
Cr/Pr
C/P
C2235
220/16
C2239
10/50
R2228 2.2K
R2229
2.2K
D2203
UDZ3.3B
C2250
10/50
R2250
270
Q2003
RN1444
Q2002
RN1444
Q2001
RN1444
R2237
75
R2241
75
R2242
75
R2238
3.3
R2239
3.3
R2240
3.3
AVD- 52
U08 VIDEO P OARD
VIDEO AMP
+9.0V
+9.0V
+5.0V
-5.0V
+5.0V
-5.0V
+5.0V
-5.0V
LS2
LS3
Z2OUT R2028
75
R2034
100K
R2035
10K
R2036
10K
R2033
100K
R2054
150
R2053
150
R2055
150
R2052
150
C2065
1/50
C2066
103Z
C2063
22/50
C2064
100/16
C2067 220/6.3
C2068 104Z
R2056
4.7
C2020
102K
Q2014
MM1512
1SAG
2OUT
3VCC 4
CIN
5
GND
6
IN
C2078 470/6.3
Q2004
RN1444
Q2005
RN1444
P2005
V3CV
V2CV V1CV
DVDCV
V4S V5S
V3S V2S V1S
DVDS
V4SC
V5SC
V3SC V2SC V1SC
DVDSC
RS4 RS5 RS6
RS4 RS5 RS6
Z2 V
Z2 C
C2029
104Z
C2030
104Z
C2033
104Z
C2034
104Z
C2037
104Z
C2038
104Z
Q2007
74HC4051
14 26 3COM 47 55 6INH 7VEE 8VSS 9
C10
B11 A12
313 014 115 216
VDD
Q2009
74HC4051
14 26 3COM 47 55 6INH 7VEE 8VSS 9
C10
B11 A12
313 014 115 216
VDD
Q2011
74HC4051
14 26 3COM 47 55 6INH 7VEE 8VSS 9
C10
B11 A12
313 014 115 216
VDD