Onkyo TXSR-876 Schematic
TX-SR876/SA876
http://receiverfaq.ru/
A
BLOCK DIAGRAMS-1
AUDIO SECTION
AM LOOP
ANTENNA
1
(DC,DD Type Only)
2
3
4
HDMI
5
<Note>
Refer to SCHEMATIC DIAGRAM-9 and -21 (SD-9 and SD-21)
for digital audio signal waveforms.
TUNER
(TX-SA876 Only)
XM
Sirrus
PHONO
TAP E
TAPE OUT
AUX 1
GAME/TV
CBL/SAT
VCR/DVR OUT
VCR/DVR IN
DVD
MULTI CHANNEL INPUT
IN 1-4
OUT
OPTICAL IN 1
OPTICAL IN 2
DIGITAL IN
(FRONT)
OPTICAL OUT
COAX IN 1
COAX IN 2
COAX IN 3
FM
ANTENNA
TUNER UNIT
HD RADIO:
DC,DD Type only
L
R
L
CD
R
L
R
L
R
L
R
L
R
L
R
L
R
L
R
L
R
L
R
FL
FR
C
SW
SL
SR
SBL
SBR
HDMI BOARD
NAHDM-9114
SD-15 to 19
HDMI
I/F
BCDEFGH
AUX 2
VIDEO IN
R
RIAA
I2S
(DVD audio,etc)
DSD
SPDIF
Q3001
TC74VHC157FT
L
NJU7312A
NJU7313AM
Analog Switch
SETUP MIC
1
2
3
TC74VHC157FT
MULTIPLEXER
FLASH ROM
SD_RAM
Analog Switch Array
Q4029
TC94A46CFG
ch2
ch3
ch4
ch5
ch6
ch7
ch8
ch9
ch10
ch11
ch12
ch13
ch14
MAIN A
MAIN B
Zone2
0dB -6dB
Zone3
Video REC
V_OUT_L
V_OUT_R
I2S
I2S/DSD
1st DSP Q3401 TMS320D790E001BZDH300
2nd DSP Q3501 TMS320D788E001BRFP266
3rd DSP Q3601 TMS320D707E001BRFP250
RX0
RX5
RX6
RX7
-6dB
DSP BLOCK
-6dB
SD-10, 11
(SD-10)
(SD-11)
(SD-11)
-6dB
RL
0dB
Q4305
NJU7313AM
Analog Switch
DAC CT2
DAC SW2
DAC_FL
DAC_FR
DAC_CT
DAC_SW
DAC_SL
DAC_SR
DAC_SBL
DAC_SBR
MCH_CT
MCH SR
MCH_SR
MCH_SL
MCH_SW
MCH_SBR
MCH_SBL
ADC
DIR
Q3041
CS42516
Analog Switch
Q4304
NJU7312AM
MAIN L
DAC FL
MIX L
MAIN R
DAC FR
MIX R
MCH C
DAC C
MCH SW
DAC SW
MCH SL
DAC SL
Q4306
NJU7311AM
Analog Switch
0dB FIX
0dB FIX
Q4204 R2S15211FP
Audio Selector, Volume, Tone
FL
VLSC
I2S
DSD
PCM1796
Vol um e
Q4405
CS3318-
CQZR
HEADPHONES
1
2
3
FL
FR
C
SW
+20dB
SL
SR
SBL
SBR
0dB FIX
TONE
0dB FIX
TONE
.
ZONE2 PREOUT/LINEOUT
L
R
ZONE3 PREOUT/LINEOUT
L
R
+6dB
C
VLSC
SW
+6dB
VLSC
FR
+6dB
VLSC
Q3701 Q3721 Q3741 Q3761 Q3781
DAC
PCM1796
DAC
.
TC74VHC157FT MULTIPLEXER
+6dB
SL
VLSC
PCM1796
+6dB
DAC
.
SR
VLSC
+6dB
SBL
VLSC
PCM1796
+6dB
DAC
+6dB
C2
VLSC
+6dB
PCM1796
DAC
.
SBR
VLSC
.
SW2
+6dB
VLSC
7 CH
POWER
AMPLIFIERS
+29dB
+29dB
+29dB
+29dB
+29dB
+29dB
+29dB
NAVD-9052 SD-6
12V TRIGGER
CONTROL
IR
REMOTE
SENSOR
NADG-9074 SD-9
RI
INTERFACE
Q3031 ICL3221E
RS-232
TRANCEIVER
Q7001
M3087BFKBGP
MAIN MICROPROCESSOR
SPEAKER TERMINALS
FRONT LEFT
FRONT RIGHT
CENTER
SURROUND LEFT
SURROUND RIGHT
SURROUND BACK
or Bi-AMP LEFT
SURROUND BACK
or Bi-AMP RIGHT
ZONE2 LEFT
ZONE2 RIGHT
PRE OUT
L
FRONT
R
CENTER
SUBWOOFER
L
SURR
R
L
SURR
BACK
R
12V TRIGGER
OUT ZONE 2
IR IN
IR OUT
RI
RS-232
- FRONT LEFT(BTL) +
- FRONT RIGHT(BTL) +
TX-SR876/SA876
A
BLOCK DIAGRAMS-2
VIDEO SECTION
1
COMPONENT VIDEO
IN 1
IN 2
2
IN 3
COMPOSITE VIDEO
VCR/DVR
3
CBL/SAT
GAME/TV
AUX 1
AUX 2
(FRONT)
DVD
Y1
CB1
CR1
Y2
CB2
CR2
Y3
CB3
CR3
BCDEFGH
VIDEO BOARD (NAVD-9052, SD-6)
TC74HC4051AF
MAIN
Z2
Video Amp
Q2012,Q2013
NJM2587V
LPF(12MHz)
LPF(6MHz)
6dB DRV
6dB DRV
Video Switch
Q2201
NJW1321FP1
6dB
6dB
6dB
6dB
6dB
6dB
C-DET
.
Y
.
.
CB
.
.
CR
.
MMP
HDBPY
Y
HDBPB
CB
HDBPB
CR
24MHz MAX
HDMI BOARD
(NAHDM-9114, SD-15 to 19)
HDAPY
HDAPB
HDAPR
Y
CB
CR
CVBS
Y
C
75
75
75
75
75
HDACV
HDASY
HDASC
12MHz MAX
75
CVBS
HDBCV
HDBSC
Y
HDBSY
C
Video Amp
Q2206
NJM2586AM
VMUT
MMP
Video Amp
Q2012,Q2013
NJM2587V
LPF(12MHz)
LPF(12MHz)
LPF(12MHz)
LPF(6MHz)
100MHz -3dB
6dB
6dB
6dB
6dB DRV
6dB DRV
6dB DRV
COMPONENT VIDEO
Y
CB
MONITOR OUT
CR
COMPOSITE VIDEO
MONITOR OUT
DRV6dB
VCR/DVR OUT
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, -17, -18 and -21 (SD-6, SD-17, SD-18 and SD-21)
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
MMP
LPF(6MHz)
Z2 S-DET
MMP
DRV
6dB DRV
Q2014
MM1512
Y/C Mix
Q2027
NJU7312AM
Analog switch
VCL
VDATA
VSTB
MMP
BPF(140K-6MHz)
6dB DRV
6dB DRV
Video Signal Flow
Analog Analog
1
(Through Mode)
HDMI HDMI
2
(Through Mode)
3
HDMI HDMI
Analog HDMI
4
Analog example is Component Video except
C
C
S VIDEO OUTPUT
Y
MONITOR OUT
Y
VCR/DVR OUT
COMPOSITE VIDEO
ZONE2 OUT
5
OSD HDMI
OSD Analog
6
Analog Analog
7
(Up-conversion)
Composite Composite
8
8
TX-SR876/SA876
A
BLOCK DIAGRAMS-3
HDMI SECTION
1
2
3
4
5
HDMI IN 1 HDMI IN 2 HDMI IN 3 HDMI IN 4
BCDEFGH
HDMI BOARD
(NAHDM-9114, SD-15 to 19)
<Note>
Refer to SCHEMATIC DIAGRAM-17, -18 and -21
(SD-17, SD-18 and SD-21) for HDMI signal waveforms.
4
GND
SDA
Q8104
Q8124
Q8154
Q8174
VCC
2OE
VCC
2OE
VCC
2OE
VCC
2OE
5
0
8
7
3
1B
6
2B
4
GND
SDA
5
0
8
7
3
1B
6
2B
4
GND
SDA
5
0
8
7
3
1B
6
2B
4
GND
SDA
5
0
8
7
3
1B
6
2B
HP DET
+5V
DDC DATA
DDC CLK
CERemote
CK+/-
D0+/ÂD1+/ÂD2+/-
HP DET
+5V
DDC DATA
DDC CLK
CERemote
CK+/-
D0+/ÂD1+/ÂD2+/-
HP DET
+5V
DDC DATA
DDC CLK
CERemote
CK+/ÂD0+/ÂD1+/ÂD2+/-
HP DET
+5V
DDC DATA
DDC CLK
CERemote
CK+/ÂD0+/ÂD1+/ÂD2+/-
1K
47K
1
47K
1K
47K
47K
1K
47K
47K
1K
47K
47K
1OE
2
1A
5
2A
4
GND
SN74CB3T3306DCT
BUS Switch
1
1OE
2
1A
5
2A
4
GND
SN74CB3T3306DCT
BUS Switch
1
1OE
2
1A
5
2A
4
GND
SN74CB3T3306DCT
BUS Switch
1
1OE
2
1A
5
2A
4
GND
SN74CB3T3306DCT
BUS Switch
3
2
A2
SCL
7
6
3
2
A2
SCL
7
6
3
2
A2
SCL
7
6
3
2
A2
SCL
7
6
1
A1
A0
Q8105
BR24L02FV-W
2 kbit EEPROM
WP
VCC
8
47K
5.6K
5.6K
1
A1
A0
Q8125
BR24L02FV-W
2 kbit EEPROM
WP
VCC
8
47K
5.6K
5.6K
1
A1
A0
Q8155
BR24L02FV-W
2 kbit EEPROM
WP
VCC
8
47K
5.6K
5.6K
1
A1
A0
Q8175
BR24L02FV-W
2 kbit EEPROM
WP
VCC
8
47K
5.6K
5.6K
2
0
0
0
0
3
+3.3VHD
+3.3VHD
+3.3VHD
+3.3VHD
HPR_R4
PRODDC4
DDCSDA4
DDCSCL4
HPR_R3
PRODDC3
DDCSDA3
DDCSCL3
HPR_R2
PRODDC2
DDCSDA2
DDCSCL2
HPR_R1
PRODDC1
DDCSDA1
DDCSCL1
HDASY
HDASC
HDACV
HDAPY
HDAPB
HDAPR
NAVD-9052
VIDEO BOARD
ADV7401
VIDEO DECODER
AUX_D0
AUX_D1
AUX_D2
AUX_D3
IN/P_D0
IN/P_D1
IN/P_D2
IN/P_D3
Q8101
AD8196
HDMI INPUT
MULTIPLEX
RESET
I2C_SDA
I2C_SCL
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
Q8151
AD8196
HDMI INPUT
MULTIPLEX
AUX_A0
AUX_A1
AUX_A2
AUX_A3
IN/P_A0
IN/P_A1
IN/P_A2
IN/P_A3
76_77
Q8800
ON0/OP0
ON1/OP1
ON2/OP2
ON3/OP3
AUX_COM2
AUX_COM3
AUX_COM0
AUX_COM1
ON0/OP0
ON1/OP1
ON2/OP2
ON3/OP3
AUX_COM2
AUX_COM3
AUX_COM0
AUX_COM1
RESET
I2C_SDA
I2C_SCL
71
75
73
74
72
HDASY
HDASC
HDACV
HDAPY
HDAPB
HDAPR
INTREQ
3
INT_VD
4.7K
10K
4.7K
10K
19_81
SDA_VDVE
SFL/SYNCOUT
LLC
HC/CS
FIELD/DE
CR(P20-29)
CB(P0-P9)
Y(P10-19)
RESET
SDA1_2
SCLK1_2
78
16_82
VD_RST
SCL_VDVE
+3.3VHD
4.7K
10K
10K
104Z
+3.3VHD
4.7K
10K
10K
104Z
15
36
99
VS
4
98
R0X2
R0X1
R0X0
R0XC
DSCL0
SII9135CTU or
DSDA0
SII9135ACTU
HDMI RECIEVER
R0PWR5V
R1X2
R1X1
R1X0
R1XC
DSCL1
DSDA1
R0PWR5V
SN74CB3Q3305
OEDEC
Q8501
SCDT
PRESET
SCDT
RX_RST
Q8405
BUS Switch
OERX
EVNODD
VSYNC
HSYNC
CR(O24-035)
CB(O0-O11)
Y(O12-O23)
MCLKIN
MCLKOUT
CSDA
INT
SDA_RX
SCL_RX
INT_RX
TC74VCX162827 x2
1
1OE
20 bit BUS BUFFER
3
TC74VCX162827 x2
1
1OE
20 bit BUS BUFFER
CB(O2-O11)
ODCK
DE
SPDIF
SD0-7
WS
SCK
CSCL
MUTEOUT
MUTEOUT
CR(O26-O35)
Y(O14-O23)
R8514
33
CEC_IO
20 bit BUS BUFFER
TC74VCX162827FT X2
1OE
1
OEDECTH
VICLK
W1
VSYNC
HSYNC
VIFLD1
CR(P0,9)
Y(0,9)
CB(0,9)
VIDEN1
27MHz
CR(O24-O35)
CB(O0-O11)
Y(O12-O23)
VICLK1
U5
VICNTL0_VS
V3
VICNTL1_HS
V4
VICNTL2_FIELD
VIDAT(0,9)
VIDAT(10,19)
VIDAT(20,29)
W2
VICNTL3_DEN
AB11
REFCLK
TC74VCX162244
OERXTH
1
1OE
16 bit BUS BUFFER
TO DSP BOARD
Q8701
MPD70F3716GC-8EA
VIDEO MICROPROCESSOR
256 Mbit SDRAM X4
U8001
VX-50
IP conversion
Scaler & OSD
FLASH_CS(0,1)
PCI_CBE(1.3)
PCI_AD(0-31)
GPIO(16,22)
U8031
128 Mbit
FLASH MEMORY
VD_SCK
VD_STB
VSYSRST
RXMUTE
TXMUTE
OSD
VODAT(10,19)
VODAT(20,29)
TXDB/DATA16
/RESET
RESET
RXDB
TXDB
2
VD_SI
VD_SO
TO MAIN
MICROPROCESSOR
RTC
LLC
VSYNC
HSYNC
FIELD/DE
CR(P20-29)
CB(P0-09)
Y(P10-19)ITU656
8
Up-covert route from
S-Video & Composite
to Component (C.C. OK)
VX-50 does not output
C.C. properly.
W26
VOCLK
W23
VOVS
W24
VOHS
V22
VOACT
VODAT(0,9)
U22
VOFIELD
V21
TWIACLK
Y25
TWIADAT
U21
TWIBCLK
Y26
TWIBDAT
Y22
RXDA
Y21
TXDA
Y23
RXDB
Y24
VSPREQ/BOOT
VOCLK
VSYNC
HSYNC
FIELD/DE
CR
Y
CB
ICDK
VSYNC
HSYNC
FIELD/DE
CR
CB
Y
TC74VCX162244FT x2
16 bit BUS BUFFER
TC74VCX162827 x2
20 bit BUS BUFFER
SD0_3
LRCK_HDMI
BCK_HDMI
MCLK
Video Signal Flow
Analog Analog
1
(Through Mode)
HDMI HDMI
2
(Through Mode)
3
HDMI HDMI
Analog HDMI
4
1OE
1OE
OEEN
1
OE444
OETX
1
IDCK
VSYNC
HSYNC
DE
D16-23
D0-7
D8-15
SD0-3
WS
SCK
MCLK
SPDIF
DSDCLK
DSDDA
VIDEO ENCODER
1
HDMI Transmitter
IDCK
VSYNC
HSYNC
DE
D16-23
D0-7
Q8451
D8-15
SIl9134CTU
HDMI
TRANSMITTER
SD0-3
WS
SCK
MCLK
SPDIF
DSDCLK
DSDDA
RESET#
INT
RST_TX
INT_TX
Q8401
SIl9134CTU
HDMI
TRANSMITTER
RESET#
INT
RST_TX
INT_TX
2
3
4
5
8
CSCL
SCL_TX
CSCL
SCL_TX
SDA_TX
RTC
LLC
VSYNC
HSYNC
FIELD/DE
Y(P10-19)
TX2+/ÂTX1+/ÂTX0+/ÂTXC+/-
CSDA
SDA_TX
TX2+/ÂTX1+/ÂTX0+/-
TXC+/-
DSCL
DSDA
CSDA
DSCL
DSDA
HPD
Q8901
ADV7320
SDA
21
SDA_VDVE
HPD
HDBPY
HDBPB
HDBPR
HDBSY
HDBCV
HDBSC
SCLK
RESETB
22
33
RST_VE
SCL_VDVE
+3.3V
4.7K
ODDC_SDA
ODDC_SCL
+3.3V
4.7K
ODDC_SCL
ODDC_SDA
4.7K
3
HPLGDET
4.7K
3
S-812C50BUC
HPLGDET
Analog example is Component Video except
VDOFF
HDBPY
HDBPB
HDBPR
HDBSY
HDBCV
HDBSC
16
15
14
13
12
11
10
9
TO MAIN
MICROPROCESSOR
+3.3V
+3.3V
1
2K
2K
2
47K
+13VS
2
1
VO
VIN
Q8355
BYP
GND
CONT
3
NJM2860F3-05
4
5
HDMI_POW
+3.3V
+3.3V
1
2K
2K
2
47K
+13VS
2
1
VO
VIN
Q8305
NC
SW
GND
4
3
5
HDMI_POW
8
5
OSD HDMI
OSD Analog
6
Analog Analog
7
(Up-conversion)
Composite Composite
8
NAVD-9052
VIDEO BOARD
D2+/ÂD1+/ÂD0+/ÂCK+/-
CERemote
DDC CLK
DDC DATA
+5V
HP DET
D2+/ÂD1+/ÂD0+/ÂCK+/-
CERemote
DDC CLK
DDC DATA
+5V
HP DET
SUB
HDMI OUT
MAIN
HDMI OUT
TX-SR876/SA876
A
SCHEMATIC DIAGRAMS-1 (SD-1)
AUDIO SECTION-1
TX-SA876 Only
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
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
<Note>
SD-x:XY is short for Shcematic Diagram-x and
each socket's location, X=A to H, Y=1 to 5.
NAASP-9050(1/2)
47/50
C4075
C4087
102J
C4088
102J
C4089
102J
102J
C4090
R4103
330
330
R4104
R4005
R4010
R4017
R4021
R4025
R4026
R4013
R4034
R4600
R4601
R4602
R4603
R4604
R4605
R4606
R4001
330
330
R4002
330
330
R4006
R4009
330
330
330
330
R4018
330
330
R4022
330
330
47
47
R4014
R4029
330
330
R4030
R4033
330
330
330
330
330
330
330
330
330
330
R4607
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
56K
221J
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
NE5532
8
Q4016:B
Q4016:A
4
8
Q4001:B
Q4001:A
4
100
8
Q4002:B
4
8
4
8
4
8
NE5532
NE5532
4
100
8
Q4014:B
4
8
Q4015:B
Q4015:A
4
8
Q4040:B
Q4040:A
4
8
NE5532
Q4041:B
Q4041:A
NE5532
4
8
NE5532
Q4042:B
Q4042:A
NE5532
4
8
NE5532
Q4043:B
Q4043:A
NE5532
4
U06
7
1
NE5532
NE5532
7
1
NE5532
NE5532
7
NE5532
1
Q4002:A
Q4011:B
7
NE5532
NE5532
1
Q4011:A
Q4012:B
7
NE5532
NE5532
1
Q4012:A
Q4013:B
7
1
Q4013:A
NE5532
7
1
Q4014:A
NE5532
NE5532
7
1
NE5532
NE5532
7
1
NE5532
7
1
7
1
7
1
AMPLIFIER PC BOARD
22(1/2W)
+14.4V
R4115
C4081
100/50
-14.4V
R4116
22(1/2W)
R4045
220
220
R4046
22(1/2W)
R4117
100/50
C4083
R4118
22(1/2W)
220
R4055
220
R4056
+14.4V
22(1/2W)
R4119
C4085
100/50
22(1/2W)
R4120
-14.4V
C4622
47/50
220K
R4632
47/50
220K
R4633
C4623
C4624
47/50
220K
R4634
220K
47/50
R4635
C4625
C4626
47/50
220K
R4636
47/50
220K
R4637
C4627
NAASP-9051
1K
R4077
221K
P4001
L
C4091
221K
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
9
8
7
R4080
C4056
42
41
AVCC23TRE_L22BASS_L2
24
223J
C4227
PHONO PC BOARD
U07
2SC2240-BL
2SC2240-BL
R4089
R4091
220
3.3K
3.3K
R4175
R4081
2.7K(1/2W)
152J
Q4017
C4057
47/50
1K
56K
C4177
R4177
221J
C4059
47/50
P4030B
R4083
P4030A
9
8
7
R4084
47/50
C4060
221J
56K
C4178
R4178
1K
C4058
47/50
Q4018
2SC2240-BL
R4082
R4176
220
2.7K(1/2W)
+15V
3NC2
1
80
79
NC
S05
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
65
S0562NC61S0660NC59S0758NC57S0856NC55S0954NC53S1052NC51S1150NC49S1248NC47S1346NC45S1444NC43COM142NC41COM2
64NC63
R4256
R4255
49
48
47
46
45
44
43
INL2
INL1
INR2
INR1
AVEE
CLOCK
Q4204
R2S15211FP
SELECTOR
42 DATA
41 DGND
VOL, TO NE
27 TRE_R
26 BASS_R2
25 BASS_R1
BASS_L1
FRC
FROUT18AGND17FLOUT16FLC156-C
20
21
19
47/50
C4231
C4233
C4229
47/50
C4234
1.8K
823J
474J
R4253
47/50
C4213
C4214
C4175
Q4019
220
220K
R4085
R4133
R4135
Q4021
2SC2712
22K
2.7K
D4001
R4087
UDZS5.6B
UDZS5.6B
2.7K
R4088
D4002
2SC2712
22K
Q4022
2SC2240-BL
220
R4134
R4086
R4136
220K
Q4020
C4176
152J
R4092
3.3K
R4090
3.3K
9NC8
7NC6
5NC4
S08
S07
S06
80 S04
79 NC
Q4029
TC94A46CFG
ANALOG SW ARRAY
66 NC
65 S04
10K
10K
56
55
54
53
52
51
50
INL5
INL4
INL3
INR6
INR5
INR4
INR3
65 INRB/RECR2
66 INLB/RECL2
67 INR10/RECR4
68 INL10/RECL4
69 INR11/RECR5
79 SBLIN1
80 SBRIN1
AGND125-OUT
4-C
6-OUT
5-C
4-OUT8AGND73-OUT63-C52-C42-OUT3AGND21-OUT11-C
9
11
14
13
10
C4238
C4235
C4236
47/50
47/50
47/50
5
6
220
2
3
S09
INL6
220
Q4023:B
11NC10
S10
58
57
INL7
INR7
47/50
47/50
NE5532
8
Q4023:A
7
4
470K
R4095
C4063
682J
820
R4097
C4061
220/25
C4062
220/25
820
C4064
R4098
470K
R4096
1
NE5532
15NC14
13NC12
S11
61
60
59
INL8
INR8
INL11/RECL5
C4240
C4237
+14.0V
22/50
C4067
R4093
39K
C4065
182J
-14.0V
682J
182J
C4066
39K
1.2K
C4068
17NC16
S13
S12
25 NC
26 COM3
27 NC
38 NC
39 COM3
40 NC
64
63
62
INL9
INR9
INLA/RECL1
INRA/RECR1
RECR3
RECL3
FLIN1
FRIN1
CIN1
SWIN1
SLIN1
SRIN1
47/50
GND
R4094
R4180
19NC18
C4239
22/50
R4179
S14
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
47/50
1.2K
21NC20
820
R4099
820
R4100
222J
23NC22
COM1
VSS
NC
CS1
GND
CK
DATA
STB
CS2
NC
VDD
C4069
C4070
24
Z3L
Z3R
R4101
222J
R4102
25
26
27
COM2
28
29
30
31
32
33
34
35
36
37
38
39
40
Z2R
Z2L
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
+6.9V
-6.9V
220/25
C4295
220/25
C4296
2SC2120
Q4291
47/50
C4293
47/50
C4294
Q4292
2SA950
C4101
47/50
47/50
C4102
C4105
47/50
47/50
C4106
R4293
D4291
D4292
R4294
1.5K
1.5K
R4151
R4152
R4155
R4156
47(1/2W)
R4291
47(1/2W)
R4292
220K
220K
220K
220K
+14.4V
C4291
C4292
NE5532AP
8
3
2
Q4030A
Q4030B
6
5
4
NE5532AP
NE5532AP
3
2
Q4031A
Q4031B
6
5
NE5532AP
220/25
UDZS7.5B
220/25
UDZS7.5B
C4103
1
47/50
220K
R4153
47/50
7
220K
R4154
C4104
R4161
8
C4107
1
47/50
220K
R4157
220K
47/50
R4158
7
C4108
4
-14.4V
+14.4V
-14.4V
22(1/2W)
R4128
C4094
100/50
22(1/2W)
R4127
+14.4V
P4033A
P4033B
1
1
2
2
3
3
4
4
-14.4V
5
5
6
6
7
7
8
8
9
9
10
10
11
11
12
12
13
13
R4257
R4258
220K
1
2
3
4
5
6
7
8
-15VCD
P4032A
220K
47/50
C4219
47/50
C4220
47/50
C4215
47/50
C4216
R4159
R4160
NE5532AP
10K
8
2
10K
10K
R4162
1
3
Q4032:A
5
Q4032:B
7
6
4
10K
NE5532AP
TX-SR876 Only
R4166
100
R4171
100K
100
R4165
R4167
NAASP-9080
1
2
3
4
5
6
7
8
P4032B
R4231
Q4209
220
220K
R4229
RN1441
RN1441
220K
R4230
220
Q4210
R4232
R4219
R4221
220
Q4205
220K
R4217
RN1441
RN1441
Q4206
220K
R4218
220
R4220
R4222
R4168
100
100
C4111
47/50
47/50
C4112
100K
100K
C4201
47/50
47/50
C4202
C4205
47/50
47/50
C4206
R4233
100
RN1441
RN1441
100
R4234
Q4207
RN1441
RN1441
Q4208
R4163
220K
R4164
220K
R4170
100
47/50
C4119
47/50
C4120
R4201
R4202
R4205
R4206
R4235
Q4211
Q4212
R4236
R4223
R4224
R4169
47K
R4124
2.2K
220K
R4126
2.2K
220K
R4125
R4123
SELCLK
SELSDO
SELSTB
MCH_C
MCH_SW
MCH_SL
MCH_SR
MCH_SBL
MCH_SBR
TAPEOUTL
TAPEOUTR
VIDEOOUTL
VIDEOOUTR
Z2VOLSDO
Z2VOLCLK
VIDEO5L
VIDEO5R
U32
AMPLIFIER PC BOARD
NE5532AP
3
8
C4203
1
2
47/50
220K
Q4201:A
Q4201:B
6
220K
5
NE5532AP
4
3
2
220K
Q4202:A
Q4202:B
6
220K
5
NE5532AP
10
10
10
10
7
NE5532AP
8
1
7
4
220K
R4237
220K
R4238
220K
R4225
220K
R4226
47/50
C4204
C4207
47/50
47/50
C4208
221J
221J
221J
221J
R4239
47
C4221
C4222
47
R4240
R4227
47
C4217
C4218
47
R4228
R4203
R4204
R4207
R4208
220K
220K
220K
220K
102J
C4243
P4008
R4122
0
Q4025
RN1441
RN1441
Q4026
R4121
0
L
ZONE 3 PRE OUT/LINE OUT
R
L
ZONE 2 PRE OUT/LINE OUT
R
MainAL
MainAR
MainBL
MainBR
BTLL
BTLR
TUMUTE
TU_R
TU_L
XM_R
XM_L
SR_R
SR_L
+15V
-15V
PZ2L
PZ2R
GND
Z3MUTE
Z2MUTE
SD-2
TO NAASP-9050(2/2)
SD-2
TO NAASP-9050(2/2)
TX-SR876/SA876
A
SCHEMATIC DIAGRAMS-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
P4111
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
<Note>
SD-x:XY is short for Shcematic Diagram-x and
AMPLIFIER PC BOARD
U06
R4331
10K
R4332
10K
C4319
-14.4V
R4335
10K
10K
R4336
C4320
102J
22(1/2W)
R4301
+14.4V
102J
2
3
5
6
22(1/2W)
R4302
4
Q4303:A
NE5532AP
NE5532AP
Q4303:B
8
100/50
1
7
C4302
C4321
47/50
C4322
47/50
220K
220K
R4347
R4348
R4303
R4307
R4311
R4312
R4308
R4304
180
12K
12K
180
1.5K
R4305
R4309
12K
R4313
2.2K
FL
-14.4V
NJU7312AM
ANALOG SW
+14.4V
R4314
12K
R4310
R4306
-14.4V
ANALOG SW
NJU7313AM
+14.4V
-14.4V
NJU7311AM
+14.4V
2.2K
1
VEE
Q4304
VDDR1R2
2.2K
2.2K
1.5K
1
2
VEE
Q4305
VDDR1R2R3R4
1
2
VEE
Q4306
30
29
L3L2L1
R3
FR
34567
L1
34567
L1
L2
L-COM1
R2R1VDD
27
28
R-COC1
L-COM1
R4R5R6
R-COM1
L-COM1
L4L3L2
R-COM1R5R6
L3
L4
R4
R3
L6L5L4
8
L6
L5
8
L5
L-COM2
R5
R-COM2
L7
L-COM2
R7
R-COM2
L-COM2
9
1011121314
L7
R-COM2R7R8
9
1011121314
L6
L-COM3
R6
R-COM3
L8
L-COM3
R8
R-COM3
L-COM3
L8
R-COM3NCDATA
L7
L-COM4
R7
R-COM4
ST
NC
NC
DATA
ST
NC
ST
NC
DATA
NC
VSS
CK
15
VSS
CK
161718192021222324252627282930
15
VSS
CK
ANALOG SW
1617181920212223242526
R4345
10K
R4337
R4339
10K
R4340
R4341
R4342
R4343
R4344
10K
10K
10K
10K
10K
10K
R4338
HEADPHONE AMP
+14.4V
1.8K
R4501
1.8K
100/50
C4417
2
R4417
18K
C4650
47/50
C4651
47/50
C4652
C4654
47/50
47/50
C4656
47/50
47/50
1.8K
R4418
47/50
220K
220K
R4504
3
102J
C4419
R4503
2.2K
2.2K
Q4406:A
NE5532AP
3
2
R4505
R4506
6
5
NE5532AP
R4416
2.2K
220K
220K
220K
220K
220K
220K
220K
220K
8
NE5532AP
4
C4503
Q4505:B
R4650
R4640
R4651
R4652
R4653
R4654
R4655
R4656
R4646
R4647
R4657
102J
R4321
10K
R4322
10K
R4407
1.2K(1/2W)
+8.5V
R4402
C4413
10/50
2SC2120
22(1/2W)
1
Q4301:A
NE5532AP
NE5532AP
Q4301:B
C4415
10/50
37
OUT3
38
REFO3
39
IN3
40
REFI3
41
REFI2
42
IN2
43
REFO2
44
OUT2
45
VA+
46
VA-
47
OUT1
48
REFO1
UDZ3.3B
Q4402
7
D4403
C4407
8
36
1
47/50
C4311
R4319
10K
4
C4312
2
3
5
6
R4320
R4315
10K
R4316
10K
10K
102J
Down Mix Circuit
28
29
30
32
33
34
35
IN5
IN4
VA-
VA+
OUT4
REFI531REFI4
REFO5
REFO4
Q4405
CS3318-CQZR
VOLUME
IN12REFI13RESET4MUTE5SCL/CCLK6SDA/MOSI7AD0/CS8ENOut9DGND
330
330
330
2.2K
2.2K
R4409
R4410
R4411
R4412
R4408
VOLCS
VOLSDO
VOLMUTE
VOLCLK
VOLRST
27
OUT5
10VD11
26
VA-
REFI812IN8
C4408
C4409
C4410
C4411
C4412
-8.5V
+8.5V
25
VA+
OUT6
REFO6
REFI6
REFI7
REFO7
OUT7
OUT8
REFO8
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
102J
47/50
C4315
R4329
R4330
C4316
47/50
Q4403
C4401
100/25
22(1/2W)
1
Q4302:A
NE5532AP
NE5532AP
Q4302:B
_FR
_SL
_FL
_SBL
_SBR
_SR
_C
_SW
220/25
C4405
47/50
C4403
D4401
330
R4405
UDZS9.1B
C4313
R4327
10K
R4323
4
2
10K
3
5
7
R4324
6
10K
8
R4328
10K
102J
C4314
220/25
C4406
2SA1162
Q4404
47/50
C4404
D4402
330
R4406
UDZS9.1B
R4404
2.2K
C4402
100/25
-14.4V
MIXL
10K
MIXR
+14.4V
-8.5V
Q4401
2SA950
R4403
220K
220K
2SC2712
2.2K
R4401
C4501
47/50
C4502
47/50
C4653
220K
5
NE5532AP
Q4406:B
47/50
47/50
R4415
-14.4V
R4502
418
6
7
C4420
C4655
C4657
5.6K
R4507
102J
102J
C4504
R4508
220
R4641
220
220
R4642
R4643
220
220
R4644
R4645
220
220
220
1
Q4505:A
5.6K
7
D4505
D4506
220K
R4413
R4414
220K
Q4610
RN1441
RN1441
Q4611
Q4612
RN1441
RN1441
Q4613
Q4614
RN1441
RN1441
Q4615
Q4616
RN1441
RN1441
1SS352
Q4617
R4509
D4501
D4503
D4507
R4511
R4512
D4508
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
1
1
1
9
4
9
4
9
4
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
12
10
12
10
8
3
5
8
3
5
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
13
12
11
10
9
8
7
6
5
4
3
2
1
5
4
3
2
1
SD-13:G2
JL4013B
TO NADIS-9088(JL4103B)
1.8K
R4422
SD-5:A1
TO NAAF-9039
P5000
P4009
L
FRONT
R
CENTER
SUB WOOFER
P4010
L
SURROUND
R
L
SURROUND
BACK
R
PRE OUT
+12V
1
RLGND
2
3
GND
4
5
+15V
-15V
6
5
-14.4V
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
AUX2_R
GNDAUX2
-15VA
+15VA
GNDA
P4020A
GNDA
12345678910111213141516171819202122232425
DACSW
DACSL
DACSR
GNDA
26
ASWSTB
ASWCLK
DACFL
DACFR
DACC
DACSBL
DACSBR
DACSWR
DACCR
TO NAAR-9075
AMUTE
ASWSDO
SBZ2MUTE
VOLCS
VOLSDO
VOLCLK
VOLMUTE
VOLRST
SPRLF
SPRLSB
P4021A
HPRL
HPDET
12345678910111213141516171819202122232425
GNDDG
SD-8:G4
JL4014B
SD-7:C2
TO NATRM-9055
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-SR876/SA876
A
SCHEMATIC DIAGRAMS-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
MTZJ5.6B
MTZJ5.6B
MTZJ5.6B
221K
MTZJ5.6B
C5011
47/50
D5001
C5016
47/50
D5006
C5014
47/50
D5004
C5012
47/50
D5002
100K
R5071
R5021
+
330
56K
R5011
1.8K
R5091
+
10/50
C5051
100K
R5076
R5026
+
330
56K
R5016
1.8K
R5096
+
10/50
C5056
100K
R5074
R5024
+
330
56K
R5014
R5094
1.8K
+
10/50
C5054
R5072
R5022
+
330
56K
R5012
R5092
1.8K
+
C5052
10/50
BCDEFGH
+62.8V
-59.3V
100K
R5291
+62.8V
-59.3V
100K
R5296
+62.8V
-59.3V
100K
R5294
+62.8V
100K
-59.3V
R5292
+52.7V
+52.7V
+52.7V
+52.7V
100K
R5111
Q5061
2SC2240-BL
-0.6V
Q5001
R5031
2SC2240-BL
-0.9V
-11.0V
R5116
2SC2240-BL
Q5066
-0.6V
Q5006
2SC2240-BL
-0.9V
R5036
-11.0V
R5114
Q5064
2SC2240-BL
-0.6V
Q5004
2SC2240-BL
-0.9V
R5034
-11.0V
R5112
Q5062
2SC2240-BL
-0.6V
Q5002
2SC2240-BL
-0.9V
R5032
-11.0V
2.2K
330
2.2K
2.2K
330
2.2K
330
330
560K
5.6K
560K
560K
560K
R5361
R5371
R5051
R5061
R5366
R5376
R5056
R5066
R5364
R5374
R5054
R5064
R5362
R5372
R5052
R5062
R5121
Q5071
+53.3V
120K
330
R5041
Q5021
2SC2240-BL
2.7K
R5126
+53.3V
120K
330
R5046
5.6K
Q5026
2SC2240-BL
2.7K
R5124
+53.3V
120K
330
R5044
5.6K
Q5024
2SC2240-BL
2.7K
R5122
+53.3V
120K
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
R5286
220/25
R5284
220/25
R5141
+63.4V
R5281
R5171
R5146
+63.4V
R5176
R5144
+63.4V
R5174
R5142
+63.4V
R5282
R5172
820
Q5041
(1/2W)
10K
-63.3V
820
820
Q5046
(1/2W)
10K
-63.3V
820
820
Q5044
(1/2W)
10K
-63.3V
820
820
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
+B2R
(1/4W)
(1/4W)
2SA949Y
+
C5071
101K
(1/4W)
-B2R
+B2SBR
(1/4W)
(1/4W)
R5186
2SA949Y
+
C5076
101K
(1/4W)
-B2SBR
+B2SR
(1/4W)
(1/4W)
2SA949Y
10/100
+
C5074
101K
(1/4W)
-B2SR
+B2C
(1/4W)
(1/4W)
Q5032
2SA949Y
10/100
+
C5072
101K
(1/4W)
-B2C
C5111
10/100
C5101
C5116
10/100
C5106
C5114
C5104
C5112
C5102
+64.0V
010D
+64.0V
010D
18K
+64.0V
010D
18K
+64.0V
010D
R5301
R5211
R5221
R5331
R5216
R5226
R5336
R5304
R5214
R5224
R5334
R5302
R5212
R5222
R5332
82
18K
18K
Q5081
82
R5306
Q5056
18K
Q5086
82
82
Q5054
18K
Q5084
82
82
Q5052
18K
18K
Q5082
82
(1/4W)
Q5051
+
C5121
+
2SC3423-Y
(1/4W)
82
2SA1360Y
+
C5126
+
C5136
-1.1V
2SC3423-Y
(1/4W)
(1/4W)
2SA1360Y
+
C5124
+
C5134
(1/4W)
(1/4W)
2SA1360Y
+
C5122
+
2SC3423-Y
(1/4W)
2SA1360Y
100/100
C5131
(1/4W)
100/100
100/100
100/100
100/100
2SC3423-Y
100/100
C5132
(1/4W)
15
+B1R
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
C6001
102J
(1/4W)
R5256
R5266
102J
(1/4W)
56K
R5254
R5264
C6004
(1/4W)
R5252
R5262
C6002
102J
(1/4W)
56K
270K
15
56K
270K
C6006
15
270K
102J
15
56K
270K
(1/4W)
(1/4W)
(1/4W)
R6061
120
(1/4W)
120
(1/4W)
R6062
Q6011
+B1SBR
Q6014
+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
47/50
(1/4W)
(1/4W)
(1/4W)
18
(1/4W)
Q6042
2SA949Y
120
(1/4W)
82
18
120
(1/4W)
120
(1/4W)
82
18
120
(1/4W)
120
(1/4W)
(1/4W)
18
(1/4W)
82
18
(1/4W)
120
(1/4W)
120
(1/4W)
(1/4W)
18
(1/4W)
82
R6282
120
(1/4W)
R6271
(1/4W)
R6281
R6076
R6286
R6074
R6072
R6251
Q6031
18
(1/4W)
+0.6V
-0.6V
R6071
2SA949Y
Q6041
R6261
R6256
Q6036
18
R6276
+0.6V
-0.6V
Q6046
2SA949Y
R6266
R6254
Q6034
2SC2229Y
R6274
+0.6V
-0.6V
R6284
2SA949Y
Q6044
R6264
R6252
Q6032
2SC2229Y
R6272
+0.6V
-0.6V
R6262
NACLA-9064,65,67,69
are fully compatible with each other.
2.2
2SC2229Y
2.2
2.2
2SC2229Y
(1/4W)
2.2
(1/4W)
2.2
2.2
2.2
2.2
(1/4W)
C6021
(1/4W)
(1/4W)
C6026
R6306
(1/4W)
C6024
(1/4W)
(1/4W)
C6022
(1/4W)
R6291
Q6101
2SA1930
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
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
560K
5.6K
560K
5.6K
560K
R5360
R5370
R5050
R5060
R5365
R5375
R5055
R5065
R5363
R5373
R5053
R5063
+53.3V
120K
330
Q5020
2.7K
+53.3V
120K
330
Q5025
2.7K
+53.3V
120K
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
+
220/25
R5140
+63.4V
R5280
-63.3V
R5170
R5145
+63.4V
R5285
-63.3V
R5175
R5143
+63.4V
R5283
-63.3V
R5173
NACLA-9063
U18
POWER AMP
PC BOARD
C5010
R5000
+
1K
P5020A
C5020
221K
47/50
MTZJ5.6B
D5000
R5010
+
C5050
1
2
3
P5010A
SD-5:H4
TO NAAF-9039
FRONT L
NACLA-9068
U23
POWER AMP
PC BOARD
C5015
R5005
+
1K
P5025A
C5025
221K
47/50
D5005
MTZJ5.6B
R5015
+
C5055
1
2
3
P5015A
SD-5:H4
TO NAAF-9039
SURROUND
BACK L
NACLA-9066
U21
POWER AMP
PC BOARD
C5013
R5003
+
1K
P5023A
C5023
221K
MTZJ5.6B
47/50
D5003
R5013
+
C5053
1
2
3
P5013A
SD-5:H5
TO NAAF-9039
SURROUND
L
<Note>
SD-x:XY is short for Shcematic Diagram-x and
each socket's location, X=A to H, Y=1 to 5.
10/50
10/50
10/50
R5070
56K
1.8K
R5075
R5025
56K
1.8K
R5095
R5073
56K
1.8K
100K
R5020
330
R5090
R5290
100K
330
R5295
100K
R5023
330
R5093
R5293
+62.8V
+52.7V
-59.3V
100K
+62.8V
+52.7V
2SC2240-BL
-59.3V
100K
+62.8V
+52.7V
-59.3V
100K
R5110
Q5060
2SC2240-BL
-0.6V
Q5000
R5030
2SC2240-BL
-0.9V
-11.0V
R5115
Q5065
2SC2240-BL
-0.6V
Q5005
R5035
-0.9V
-11.0V
R5113
Q5063
2SC2240-BL
-0.6V
Q5003
R5033
-0.9V
2SC2240-BL
-11.0V
2.2K
330
2.2K
330
2.2K
330
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.
!
820
(1/4W)
Q5040
2SA949Y
22/63
+
(1/2W)
10K
C5080
820
(1/4W)
820
(1/4W)
Q5045
2SA949Y
22/63
+
(1/2W)
10K
C5085
820
(1/4W)
820
(1/4W)
Q5043
2SA949Y
22/63
+
(1/2W)
10K
C5083
820
(1/4W)
R5130
R5150
R5160
R5135
R5155
R5165
R5133
R5183
33
R5153
R5163
820
R5180
33
Q5030
0.0V
(1/2W)
10K
1K
820
33
R5185
Q5035
0.0V
(1/2W)
10K
1K
820
(1/4W)
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)
2SA949Y
C5115
+
C5075
101K
(1/4W)
-B2SBL
+B2SL
(1/4W)
2SA949Y
10/100
+
C5073
101K
(1/4W)
-B2SL
+64.0V
C5110
C5100
+64.0V
10/100
C5105
+64.0V
C5113
C5103
010D
18K
010D
18K
010D
R5300
R5210
R5330
R5305
R5215
R5225
R5335
R5303
R5213
R5223
R5333
82
Q5050
18K
R5220
Q5080
82
82
Q5055
18K
Q5085
82
82
Q5053
18K
18K
Q5083
82
(1/4W)
C5120
(1/4W)
(1/4W)
C5125
C5135
(1/4W)
(1/4W)
C5123
C5133
(1/4W)
2SA1360Y
+
100/100
+
C5130
100/100
2SC3423-Y
2SA1360Y
+
100/100
+
100/100
2SC3423-Y
2SA1360Y
+
100/100
+
100/100
2SC3423-Y
(1/4W)
15
+B1L
(1/4W)
(1/4W)
R6060
+B1SBL
120
Q6015
-BSBL
-B1SBL
+B1SL
120
Q6013
+BL
120
(1/4W)
Q6020
Q6010
2SC1740S_S
-BL
-65V
-B1L
+BSBL
R6065
2SC1740S_S
-65V
+BSL
R6063
Q6023
2SC1740S_S
-BSL
-65V
-B1SL
+65V
(1/4W)
R6310
C6010
2SA933
+65V
(1/4W)
R6315
C6015
Q6025
+65V
(1/4W)
R6313
C6013
2SA933
10
47/50
10
47/50
2SA933
10
47/50
(1/4W)
(1/4W)
(1/4W)
(1/4W)
120
(1/4W)
(1/4W)
18
(1/4W)
82
18
R6280
120
(1/4W)
R6255
(1/4W)
82
18
R6285
(1/4W)
120
(1/4W)
82
(1/4W)
18
R6283
120
(1/4W)
R6070
18
R6075
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
R6010
R6020
R6030
R6110
R6040
R6050
R5240
R6015
R6025
R6035
R6115
R6045
R6055
R5245
R6013
R6023
R6033
R6043
R6053
R5243
+1.1V
4.7K
3.3K
1.8K
10K
1K
IDLING
2.7K
-1.1V
+1.1V
4.7K
3.3K
1.8K
10K
1K
IDLING
2.7K
-1.1V
15
+1.1V
4.7K
3.3K
1.8K
R6113
10K
1K
IDLING
2.7K
-1.1V
R5230
ADJ.
15
R5235
ADJ.
R5233
ADJ.
R5250
R5260
C6000
102J
(1/4W)
(1/4W)
R5255
R5265
C6005
(1/4W)
R5253
R5263
C6003
102J
15
56K
270K
56K
270K
102J
15
56K
270K
15
(1/4W)
(1/4W)
NACLA-9063,66,68
are fully compatible with each other.
R6290
Q6100
47/50
Q6110
2.2
(1/4W)
R6295
Q6105
47/50
Q6115
R6305
R6293
Q6103
47/50
Q6113
R6303
2SA1930
2SC5171
2SA1930
2SC5171
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
TX-SR876/SA876
A
SCHEMATIC DIAGRAMS-4 (SD-4)
POWER AMPLIFIER SECTION-2
NAAMP-9062
U17
1
2
3
4
5
POWER AMP
PC BOARD
TO NACLA-9069
TO NACLA-9067
BCDEFGH
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
SURROUND R
6
5
4
3
2
1
P6034A
SD-3:D4
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)
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
0.22(1/2W)
R6332
R6352
0.22(1/2W)
0.22(1/2W)
R6342
R6362
+B1R
-B1R
-B1SR
+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
2SC5242
ID+
-65V
+65V
ID+
2SA1962
-65V
+65V
2SC5242
ID+
-65V
+65V
2SC5242
ID+
2SA1962
-65V
Q6051
R6161
100
(1/4W)
P6071
1
R6661
100
(1/4W)
Q6061
2SA1962
Q6056
2SC5242
R6166
100
(1/4W)
P6076
1
100
(1/4W)
R6666
Q6066
Q6054
R6164
100
(1/4W)
P6074
1
100
(1/4W)
R6664
Q6064
2SA1962
Q6052
R6162
100
(1/4W)
P6072
1
100
(1/4W)
R6662
Q6062
P6081
1
Q6081
2SC5242
R6181
12K
0.22(5W)
ID-
R6411
R6191
Q6091
2SA1962
1
P6091
P6086
1
Q6086
2SC5242
R6186
12K
0.22(5W)
ID-
R6416
R6196
Q6096
2SA1962
1
P6096
P6084
1
Q6084
2SC5242
R6184
12K
0.22(5W)
ID-
R6414
R6194
Q6094
2SA1962
1
P6094
P6082
1
Q6082
2SC5242
R6182
12K
0.22(5W)
ID-
R6412
R6192
Q6092
2SA1962
1
P6092
When VOLH turns high,
the unit goes into
Protect Mode.
TO NAAF-9039
SD-5:F3
P6350A
1
2
-B
+B
P6350B
IPRO
33K
R6171
Q6071
2SC2240
0.0V
SPR
P6250A
VPRO
VOLH
VPRO
VOLH
VPRO
VOLH
VPRO
VOLH
JL6041B
SD-7:D5
TO NATRM-9055
P6250B
P6250C
P6250D
VOLH
VPRO
123
TO NATRM-9055
TO NATRM-9055
TO NATRM-9055
IPRO
223J
C6041
5.6K
C6046
5.6K
C6044
5.6K
C6042
5.6K
R6176
223J
R6174
223J
R6172
223J
33K
Q6076
33K
Q6074
33K
Q6072
D6001
1SS133
2SC2240
D6006
1SS133
2SC2240
D6004
1SS133
2SC2240
D6002
1SS133
47K
R6211
R6231
47K
IPRO
0.0V
SPSBR
47K
R6216
R6236
47K
IPRO
0.0V
SPSR
47K
R6214
R6234
47K
IPRO
0.0V
SPC
47K
R6212
R6232
47K
SD-7:D5
SD-7:D5
+B POWER SUPPLY
SD-7:D5
P6350C
-B POWER SUPPLY
(COPPERBUS PLATE)
1
2
3
JL6042B
TO NAAF-9039
SD-5:E3
NAAMP-9061
U16
POWER AMP
PC BOARD
FRONT L
1
2
3
4
5
P6030A
6
SD-3:H2
TO NACLA-9063
SURROUND BACK
L
1
2
3
4
5
P6035A
6
SD-3:H3
TO NACLA-9068
SURROUND L
1
2
3
4
P6033A
5
6
SD-3:H4
TO NACLA-9066
+65V
+B1L
0.22(1/2W)
P6050
1
R6330
L6000
R6350
R6080
10(1/4W)
10(1/4W)
R6090
L6010
L6005
R6085
10(1/4W)
10(1/4W)
R6095
L6015
L6003
R6083
10(1/4W)
10(1/4W)
R6093
L6013
0.22(1/2W)
NFL
0.22(1/2W)
0.22(1/2W)
R6355
0.22(1/2W)
NFSBL
0.22(1/2W)
0.22(1/2W)
NFSL
0.22(1/2W)
0.22(1/2W)
R6340
R6360
R6335
0.22(1/2W)
R6345
R6365
R6333
R6353
0.22(1/2W)
0.22(1/2W)
R6343
R6363
+0.6V
-0.6V
+0.6V
-0.6V
+0.6V
-0.6V
<Note>
SD-x:XY is short for Shcematic Diagram-x and
each socket's location, X=A to H, Y=1 to 5.
-B1L
+B1SBL
-B1SBL
+B1SL
-B1SL
R6150
100
(1/4W)
0.22(5W)
R6400
100
(1/4W)
R6650
1
P6060
P6055
1
R6155
100
(1/4W)
0.22(5W)
R6405
100
(1/4W)
R6655
1
P6065
P6053
1
R6153
100
(1/4W)
0.22(5W)
R6403
100
(1/4W)
R6653
1
P6063
2SC5242
ID+
2SA1962
-65V
+65V
ID+
-65V
+65V
2SC5242
2SA1962
-65V
Q6050
R6160
100
(1/4W)
P6070
1
100
(1/4W)
R6660
Q6060
Q6055
2SC5242
R6165
100
(1/4W)
P6075
1
100
(1/4W)
R6665
Q6065
2SA1962
Q6053
R6163
100
(1/4W)
P6073
1
100
(1/4W)
R6663
Q6063
ID-
ID-
ID-ID+
P6080
1
R6180
0.22(5W)
R6410
1
P6090
P6085
1
R6185
0.22(5W)
R6415
1
P6095
P6083
1
R6183
0.22(5W)
R6413
1
P6093
Q6080
2SC5242
12K
R6190
Q6090
2SA1962
Q6085
2SC5242
12K
R6195
Q6095
2SA1962
Q6083
2SC5242
12K
R6193
Q6093
2SA1962
IPRO
33K
R6170
Q6070
2SC2240
0.0V
SPL
223J
C6040
5.6K
C6045
5.6K
C6043
5.6K
R6175
223J
R6173
223J
33K
Q6075
2SC2240
33K
Q6073
D6000
1SS133
D6005
1SS133
2SC2240
D6003
1SS133
0.0V
0.0V
47K
R6210
R6230
47K
R6215
R6235
47K
R6213
R6233
47K
IPRO
SPSBL
47K
IPRO
SPSL
47K
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.
TO NAAF-9039
P6240A
TO NATRM-9055
VPRO
VOLH
P6240B
VPRO
VOLH
P6240C
VPRO
VOLH
VOLH
VPRO
P6042A
SD-5:F3
P6340A
1
SD-7:D5
SD-7:D5
TO NATRM-9055
SD-7:D5
TO NATRM-9055
IPRO
321
2
P6340B
P6340C
-B POWER SUPPLY
+B POWER SUPPLY
(COPPER BUS PLATE)
!
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