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TX-SR875
Ref. No. 3996
062007
SERVICE MANUAL
AV RECEIVER
MODEL TX-SR875
ON STANDBY
TV
INPUT
DVD VCR/DVR CBL/SAT
1 2 3 +
GAME/TV AUX1 AUX2 TV CH
4 5 6 -
TAPE TUNER CD
7 8 9
PHONO D. TUN TV VOL
+10 0 CLEAR
--/--- 10 11 12
MASTER VOLUME INPUT SELECTOR
MACRO
1 2 3 ZONE3
REMOTE MODE
DVD VCR CD ZONE2
STANDBY/ON
CDR/MD
TV CABLE DOCK RECEIVER
SAT TAPE/AMP
DIMMER SLEEP
STANDBY
E NU ME N
PM U
TO
READY
+
ZONE 2
CH
DISC ENTER VOL
ALBUM
ZONE 3
- GU
T
I DE EX I
PREV SE
TUP RN
CH RETU
DISPLAY MUTING
PURE AUDIO AUDIO SEL DVD VCR/DVR CBL/SAT GAME/TV AUX 1 AUX 2 TAPE TUNER CD PHONO DISPLAY
PUSH TO OPEN
REC PLAYLIST RANDOM
LISTENING MODE
STEREO SURR
REPEAT AUDIO SUBTITLE PLAY MODE
PURE A DIRECT THX ALL ST
TX-SR875
TEST TONE CH SEL LEVEL- LEVEL+
OPEN/CLOSE VIDEO OFF S. RESTORE
AUDIO SEL L NIGHT Re-EQ
VCR DVD HDD
RC-690M
RC-690M
TX-SR875 Black, Golden and Silver models
B UDC, S UDC, B MDC, S MDC 120V AC, 60Hz
G UDT
B UMP, S UMP, B UMB, S UMB 220-240V AC, 50Hz
B MMP, S MMP, B MMB, S MMB
G UMK, G UMT 220-240V AC, 50/60Hz
SAFETY-RELATED COMPONENT
WARNING!!
COMPONENTS IDENTIFIED BY MARK ON THE
SCHEMATIC DIAGRAM AND IN THE PARTS LIST ARE
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.
TX-SR875
EXPLODED VIEWS-1 U27 A139 A402
A406 x 6 pcs.
A118 A094 x 3 pcs.
A116 A112 x 2 pcs. A410
x 51 pcs. U25
A114 U28
x 2 pcs. A110
U42 P7501
A270
A400
A411
A096
A119 Refer to in A412
P101 EXPLODED VIEWS-2
A008 U017 A104 U12
x 2 pcs. U14 A137
F2501 A008
A113 F2502 A261 x 2 pcs.
P2801 A008
A008 U39
x 15 pcs. x 3 pcs.
A008 A251
U08 U41 A255
A112
U31 U07 U38 x 2 pcs.
P102 A301
A100 A008
U30 x 2 pcs. U33
DC type U34 A253
A090
A281
U06 DT,MP,MB U35
U26 MT,MK type A259
U32 U10 P9008 A315
A076
A008 U09 x 4 pcs. A092
A098 A008 A321
DT,MP,MB, F9101 x 2 pcs. x 2 pcs. A201 A112
MT,MK type U11 A313 A215
F9102 A067
P6800 U40 U36
x 18 pcs. A112
A008 x 8 pcs.
F9000 x 3 pcs. A087
A303
A086
A217
A066 A008
F9100 A106 x 5 pcs. A207
A239 A211
A105 A219
A120 A311
A008 A223 A213
A070 x 3 pcs.
U13 A112
x 4 pcs. x 2 pcs.
TX-SR875
A112
A068 A112 x 5 pcs.
x 4 pcs. x 2 pcs. A209
A205
A112 A075 A078 A221
x 4 pcs. x 3 pcs. x 3 pcs. A112
TX-SR875
EXPLODED VIEWS-2 A009
x 16 pcs. A058
T901
Q6092 A056
Q6064 x 4 pcs.
U04 Q6094 Q6062
Q6096 A120
Q6066 Q6080A
A009 Q6091 U17 x 2 pcs.
x 12 pcs. A007 Q6061 A021
x 4 pcs.
U05 A005 Q6052
x 4 pcs. Q6082
Q6090 Q6054
Q6065 A001 A008
Q6084
Q6095 Q6060 Q6086 x 6 pcs.
Q6063 Q6056 A062
Q6093 U16 Q6081 A022 A048
A007 Q6051 A021
x 4 pcs. P062
Q6050 Q6050A
A005 Q6080
x 4 pcs. x 2 pcs.
Q6055
Q6085
Q6083 Q6053 A001
A044
A120 F6601 A022
A040
F6602 A046
F6603 A042 x 4 pcs. A049
A004 x 4 pcs.
A014 F6604
A011 A008 F9301 A090
x 2 pcs. x 4 pcs.
A013
A013 x 2 pcs. P061
x 2 pcs. U37
A008 A018
U02 x 7 pcs. U20
U22 A064 A120
A008
U23 U19 x 2 pcs.
U18 U24 A008
U21 x 8 pcs.
A060
x 2 pcs.
A022
A022
A008
x 4 pcs.
U01
A008
x 3 pcs.
A008
x 2 pcs. A120
TX-SR875
U03 A015
A025
A008
x 2 pcs.
TX-SR875
A B C D E F G H
BLOCK DIAGRAMS-1 AUX 2
Analog Switch Array
Q4029
VIDEO IN TC94A46CFG
AUDIO SECTION FM
ANTENNA
R L
SETUP MIC 7 CH
1
2
POWER
3 AMPLIFIERS
AM ANTENNA TUNER UNIT HEADPHONES SPEAKER TERMINALS
Analog Switch Volume
1
Q4304 2
Q4405
ch2 NJU7312A CS3318
3
+29dB
1 NJU7312A MAIN A FRONT LEFT
MAIN L
(DC Type Only)
XM ch3 MAIN B DAC FL
MIX L FL
+29dB
Sirrus
FRONT RIGHT
MAIN R
L DAC FR
- FRONT RIGHT(BTL) +
FR
- FRONT LEFT(BTL) +
CD ch4 MIX R
R
MCH C +29dB
-6dB
-6dB
L
DAC C
C CENTER
PHONO RIAA ch5
R L R MCH SW
DAC SW
SW +29dB
L SURR LEFT
TAPE ch6 +20dB
R Z2
MCH SL
DAC SL SL
0dB
0dB
L +29dB
TAPE OUT ch7
MCH SR
SURR RIGHT
R SR
2 L
+29dB
AUX 1 ch8 SBL
R SURR BACK
Z3 or Bi-AMP LEFT
L
GAME/TV ch9 +29dB
R
Analog Switch
NJU7313A
SURR BACK
Q4305
Video REC or Bi-AMP RIGHT
ch10
SBR
ZONE2 LEFT
L
CBL/SAT ch11
R
Q4306
MCH_SBR
MCH_SBL
DAC_SBR
ZONE2 RIGHT
DAC SW2
DAC_SBL
MCH_SW
MCH_SR
DAC CT2
DAC_SW
MCH_CT
MCH_SL
L
DAC_SR
DAC_FR
DAC_CT
DAC_SL
DAC_FL
NJU7311A
VCR/DVR OUT NJU7313A ch12 Analog Switch
R Analog Switch
.
L
PRE OUT
V_OUT_R
ZONE2 PREOUT/LINEOUT
V_OUT_L
0dB FIX
VCR/DVR IN ch13
3 R 0dB FIX
TONE
L
L L
0dB FIX
DVD ch14 R FRONT
R
0dB FIX TONE R
FL CENTER
MULTI CHANNEL INPUT
FR SUBWOOFER
ZONE3 PREOUT/LINEOUT
C L L
SURR
SW R R
L SURR
SL
Q4204 R2S15211FP
R BACK
SR Audio Selector, Volume, Tone
SBL
NAVD-9052 SD-6
SBR
4 HDMI BOARD
NAHDM-9114 I2S
SD-15 to 19 12V TRIGGER
12V TRIGGER
-6dB
-6dB
I2S/DSD CONTROL
OUT ZONE 2
I2S (DVD audio,etc)
IN 1-4
HDMI HDMI TC74VHC157FT
DSD
SW2
SPDIF
SBR
SBL
I/F
SW
MULTIPLEXER
SR
FR