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TX-SR876/SA876
Ref. No. 4094
082008
SERVICE MANUAL
AV RECEIVER
MODEL TX-SR876 ON STANDBY
TV
INPUT
MODEL TX-SA876
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
INPUT SELECTOR
MACRO
1 2 3 ZONE3
REMOTE MODE
DVD VCR CD ZONE2
CDR/MD
TV CABLE DOCK RECEIVER
SAT TAPE/AMP
DIMMER SLEEP
E NU ME N
PM U
TO
+
CH
DISC ENTER VOL
ALBUM
- GU
T
I DE EX I
PREV SE N
TUP R
CH RETU
DISPLAY MUTING
REC PLAYLIST RANDOM
LISTENING MODE
STEREO SURR
REPEAT AUDIO SUBTITLE PLAY MODE
PURE A DIRECT THX ALL ST
TEST TONE CH SEL LEVEL- LEVEL+
TX-SR876 OPEN/CLOSE VIDEO OFF S. RESTORE
AUDIO SEL L NIGHT Re-EQ
VCR DVD HDD
RC-690M
RC-690M
TX-SR876 Black, Golden and Silver models
B MDC, S MDD, GMDT 120V AC, 60Hz
B MMP, S MMP, B MMB, S MMB 220-240V AC, 50Hz
G MMT 220-240V AC, 50/60Hz
TX-SA876 Golden model
G MMR 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-SR876/SA876
EXPLODED VIEWS-1 U27 A139 A402
A406 x 6 pcs.
(MB Type) A094 x 3 pcs.
A150 A037 x 2 pcs. A410
A116 x 51 pcs. U25
U42 U28
A118 A110
A114 A113
x 2 pcs. P7501
Note-1 A270
U30 A400
A411
A096
A022 Refer to in A022
P101 EXPLODED VIEWS-2
Note-3
U017 A104 U12
A008 U14 F2501 A137 A008
x 2 pcs. F2502 x 2 pcs.
P2801 A261
A008 U39 A008
A132 P101 x 3 pcs.
x 15 pcs.
A008 A251
A133
U08 U41 A255
A037
U31 U07 U38 x 2 pcs.
A128 A008 A301
U43 A100 U33
x 2 pcs.
Note-1 A253
U34
A090
A281
U06 U35
U26 A259
U32 U10 P9008 A315
A076 Note-2
A008 U09 x 4 pcs. A092
A098 A008 A321
x 2 pcs. x 2 pcs. A201 A037
Note-2 F9101 U11
F9102 A313 A215
P6800 A067 U40 U36
x 18 pcs. A037
A008 x 8 pcs.
F9000 x 3 pcs. A049
A303
A086
A217
A066 A008
F9100 A106 x 5 pcs. A207
A239
TX-SR876/SA876
A105 A211
A120 A219
A008 A223 A311 A213
x 3 pcs.
U13 A070 A037
x 4 pcs. x 2 pcs.
Note-1: DC,DD type
A037
A068 A037 x 5 pcs.
Note-2: DT,MP,MB,MT type x 4 pcs. x 2 pcs. A209
A069 A205
Note-3: DT,MP,MB,MT, A037 A075 A078 A221
SA876 type x 4 pcs. x 4 pcs. x 3 pcs. x 3 pcs. A037
TX-SR876/SA876
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. A039
x 12 pcs. A007 Q6061 x 2 pcs.
x 4 pcs.
U05 Q6052 A038
A005
x 4 pcs. Q6082 A021
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. U37
A014 F6604
A011 A008 F9301 A090
x 2 pcs. x 4 pcs.
A008
A008 x 2 pcs. P061
x 2 pcs.
A008 A018
U02 x 7 pcs. U20
U22 A064 A120
A008 A008
U23 U19 x 3 pcs. x 2 pcs.
U18 U24
U21 A033
A022
A022
A008
x 4 pcs.
U01
TX-SR876/SA876
A008
x 3 pcs.
A008
x 2 pcs. A120
U03 A015
A060
A025 x 2 pcs.
A008
x 2 pcs.
TX-SR876/SA876
A B C D E F G H
BLOCK DIAGRAMS-1 FM
AUX 2
Analog Switch Array
Q4029
VIDEO IN TC94A46CFG
AUDIO SECTION ANTENNA
R L
SETUP MIC 7 CH
TUNER UNIT
1
2
POWER
3 AMPLIFIERS
AM LOOP
HD RADIO: HEADPHONES SPEAKER TERMINALS
ANTENNA Analog Switch Volume
DC,DD Type only 1
Q4304 Q4405 2
ch2 3
TUNER L NJU7312AM CS3318- +29dB
1 (TX-SA876 Only)
NJU7312A MAIN A CQZR FRONT LEFT
R
MAIN L
(DC,DD 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 SURROUND LEFT
TAPE ch6 +20dB
R Zone2
MCH SL
DAC SL SL
0dB
0dB
L +29dB
TAPE OUT ch7
MCH SR
SURROUND RIGHT
R SR
2 L
+29dB
AUX 1 ch8 SBL
R SURROUND BACK
Zone3 or Bi-AMP LEFT
L
GAME/TV ch9 +29dB
R
Analog Switch
NJU7313AM
SURROUND 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
NJU7311AM
VCR/DVR OUT NJU7313AM 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
SW2
SD-15 to 19 12V TRIGGER
SBR
SR
SBL
FR
SW
C2
SL
FL
12V TRIGGER
C
-6dB
-6dB
I2S/DSD CONTROL
OUT ZONE 2
I2S (DVD audio,etc)
IN 1-4
+6dB
+6dB