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Onkyo TX-SR875 Service Manual
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SERVICE MANUAL
AV RECEIVER
MODEL
STANDBY/ON
STANDBY
READY
ZONE 2
ZONE 3
PURE AUDIO
AUDIO SEL
DVD
VCR/DVR
CBL/SAT
TX-SR875 Black, Golden and Silver models
B UDC, S UDC, B MDC, S MDC
G UDT
B UMP, S UMP, B UMB, S UMB
B MMP, S MMP, B MMB, S MMB
G UMK, G UMT
SAFETY-RELATED COMPONENT
WARNING!!
COMPONENTS IDENTIFIED BY MARK
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
GAME/TV
AUX 1
AUX 2
TAPE
TUNER
CD
PHONO
DISPLAY
120V AC, 60Hz
220-240V AC, 50Hz
220-240V AC, 50/60Hz
ON THE
Ref. No. 3996
062007
ON
STANDBY
TV
INPUT
DVD
VCR/DVR
CBL/SAT
+
1
2
3
TV CH
GAME/TV
AUX 1
AUX 2
-
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
ZONE
3
REMOTE MODE
DVD
VCR
CD
ZONE
2
CDR/MD
TV
CABLE
DOCK
RECEIVER
SAT
TAPE/AMP
DIMMER
SLEEP
+
CH
VOL
DISC
ENTER
ALBUM
-
PREV
CH
D
S I
P
L
A
Y
M
U
T
N I
G
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
VCR
DVD
DVD
HDD
HDD
RC-
690
M
RC-690M
TX-SR875

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Summary of Contents for Onkyo TX-SR875

  • Page 1 VIDEO OFF S. RESTORE AUDIO SEL L NIGHT Re-EQ 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...
  • Page 2 TX-SR875...
  • Page 3 TX-SR875...
  • Page 4 TX-SR875 DIA RA -1 AUX 2 Q4029 VIDEO IN TC94A46CFG AUDIO SE TIO SETUP MIC ANTENNA TUNER UNIT AM ANTENNA MAIN A NJU7312A MAIN L MAIN B DAC FL (DC Type Only) MIX L Sirrus MAIN R DAC FR MIX R...
  • Page 5 TX-SR875 7 CH POWER AMPLIFIERS HEADPHONES SPEAKER TERMINALS Q4304 Q4405 NJU7312A CS3318 +29dB FRONT LEFT AIN L AC FL IX L +29dB FRONT RIGHT AIN R AC FR IX R +29dB CH C CENTER AC C H SW +29dB SURR LEFT...
  • Page 6: Video Board

    TX-SR875 DIA RA -2 VIDEO SE TIO VIDEO BOARD (NAVD- 2 SD- ) COMPONENT VIDEO Q2201 C-DET NJW1321 IN 1 IN 2 IN 3 Q2012,Q2013 74HC4051 NJM2587 HDAP COMPOSITE VIDEO MAIN HDAPB LPF(12MH ) HDAPR VCR/DVR CBL/SAT LPF(6MH ) GAME/TV...
  • Page 7: Hdmi Board

    TX-SR875 COMPONENT VIDEO Q2206 NJM2586A 100MH -3dB MONITOR OUT MMPV 24MH MAX Q2012,Q2013 HDMI BOARD NJM2587 (NAHDM- 114 SD-1 1 1 1 1 ) 12MH MAX HDBCV LPF(12MH ) CVBS HDBSC LPF(12MH ) HDBS LPF(12MH ) COMPOSITE VIDEO MONITOR OUT...
  • Page 8 TX-SR875 DIA RA -3 D I SE TIO HDMI BOARD HDAS SFL/S NCOUT HDAS (NAHDM- 114 SD-1 1 1 1 1 ) HDASC HDASC HDACV HDACV HDAP 76_77 HDAP HC/CS HDAPB HDAPB FIELD/DE HDAPR HDAPR CR(P20-29) CB(P0-P9) (P10-19) Q8800 ADV7401...
  • Page 9 TX-SR875 VIDEO ENCODER HDBP Q8901 HDBP HDBPB HDBPB ADV7320 VS NC HDBPR VS NC HDBPR HS NC HDBS HS NC HDBS FIELD/DE HDBCV FIELD/DE HDBCV CR(P20-29) HDBSC HDBSC CB(P0-09) (P10-19)ITU656 (P10-19) TC74VCX162827FT X2 256 M it SDRAM X4 TC74VCX162244 X2...
  • Page 10: Audio Section

    TX-SR875 SCHEMATIC DIAGRAM-1 (SD-1) AUDIO SECTION NAASP-9050(1/2) NAASP-9051 AMPLIFIER PC BOARD PHONO P 2SC2240-BL 2SC2240-BL +14.0V R4089 R4091 NE5532 3.3K 3.3K R4175 Q4023A C4175 152J 470K Q4017 R4077 C4057 R4095 R4093 47/50 Q4019 C4063 C4065 682J 22(1/2W) 182J R4001 C4019 +14.4V...
  • Page 11 TX-SR875 Note SD- X is short or Shce atic Dia ra - and each soc et s location, X A to H, 1 to 5. O PC BOARD +14.0V 100(1/2W) R4113 22/50 NE5532AP C4067 R4099 C4101 C4103 MainAL 47/50 4093...
  • Page 12 TX-SR875 E ATI DIA RA -2 SD-2 AUDIO SE TIO NAASP-9050(2/2) A PLIFIER P OARD VIDEO5L 22(1/2W) -14.4V R4302 1.5K -15V R4303 R4305 -14.4V R4307 R4309 2.2K R4311 R4313 MainAL 2.2K C4315 MIXL R4337 10K -14.4V R4338 +14.4V R4339 MIXR...
  • Page 13 TX-SR875 Note SD- X is short or Shce atic Dia ra - and each soc et s location, X A to H, 1 to 5. HEADPHONE AMP +14.4V C4501 1.8K C4311 102J NE5532AP C4313 102J 47/50 R4501 R4319 Q4505A R4327...
  • Page 14 TX-SR875 E ATI DIA RA -3 SD-3 POWER A PLIFIER SE TIO -1 +64.8V NACLA-9064 (1/4W) +B2R +B1R R5231 +65V +1.1V +62.8V R5181 +62.8V +63.4V DRIVER A P (1/4W) (1/4W) OARD R6311 +52.7V 0.0V R5001 C5011 R5021 47/50 -0.6V C5021...
  • Page 15 TX-SR875 NACLA-9063 +64.8V (1/4W) +B2L +B1L R5230 +65V +1.1V +62.8V R5180 +62.8V +63.4V DRIVER A P (1/4W) (1/4W) OARD R6310 +52.7V C5010 0.0V R5000 R5020 47/50 -0.6V C5020 R5250 221K +0.6V R5260 1.8K -0.9V -0.6V R6110 270K 10K C6000 R5090 102J -11.0V...
  • Page 16 TX-SR875 E ATI DIA RA -4 SD-4 POWER A PLIFIER SE TIO -2 TO NAAF-9039 SD-5 F3 P6350A NAAMP-9062 POWER A P +65V +B1R FRONT R OARD P6081 0.22(1/2W) P6051 R6331 IPRO L6001 2SC5242 R6351 2SC5242 +0.6V 0.22(1/2W) R6181 R6081...
  • Page 17 TX-SR875 TO NAAF-9039 SD-5 F3 P6340A NAAMP-9061 POWER A P +65V FRONT L +B1L OARD P6080 0.22(1/2W) P6050 R6330 IPRO L6000 R6350 2SC5242 0.22(1/2W) 2SC5242 +0.6V R6180 R6080 R6150 R6160 10(1/4W) (1/4W) (1/4W) 0.0V P6070 (1/4W) (1/4W) -0.6V 10(1/4W) R6660...
  • Page 18 TX-SR875 E ATI DIA RA -5 SD-5 POWER SUPPL SE TIO NAAF-9039 A PLIFIER P OARD LM61C LM61CIZ NAETC-9042 NAETC-9043 Q6380 T ER AL T ER AL SE SOR SE SOR OARD OARD JL6402A JL6403A R6563 2SC1815 1.2K Q6560 Q6561...
  • Page 19 TX-SR875 Note SD- X is short or Shce atic Dia ra - and each soc et s location, X A to H, 1 to 5. P6140A-G(SOCKET AS) TO NATRM-9055 SD-7 D2 (P6140H) inputC GND_inputC GND_NFC GND_decupC P5022B GND_polaC R6132 C6032...
  • Page 20 TX-SR875 E ATI DIA RA -6 SD-6 VIDEO SE TIO AVD- VIDEO P OARD C2201 1/50 R2201 Cr/Pr C2202 104Z C2203 1/50 C /P 3 IN R2202 Q2204 Q2205 R2227 C2204 2SK3019 2SK3019 104Z C2205 1/50 C2206 104Z P OUT1...
  • Page 21 TX-SR875 Note TO NADG-9075 SD- X is short or Shce atic Dia ra - and SD-8 G3 each soc et s location, X A to H, 1 to 5. P2010A +SUB GNDSUB ADINCV POFF GNDVD +12V ADINS APOWER2 GNDVD APOWER1...
  • Page 22 TX-SR875 E ATI DIA RA -7 SD-7 SP TER I AL SE TIO NATRM-9055 SP TER I AL P OARD 2SB1565-E 0.22(1/2W) Q4901 R4901 +14.4V F9101 D3SBA20 D9105 Q4905 2SK365-GR Q4906 2SK365-GR F9102 JL4014A +15V -14.4V P9104 -15V R4902 Q4902 0.22(1/2W)
  • Page 23 TX-SR875 SPEAKER TERMINALS C6810 C6811 R6900 +13.5V 15(1W) 102J 102J P6800 P6801 GND_SPSL R6901 GND_SPSBL 15(1W) GND_SPL FRONT L FRONT R GND_SPR GND_SPSBR GND_SPSR GND_SPC C6816 C6815 102J FAN_GND 102J +12V_FAN P6805 P6806 FAN_GND SURROUND SURROUND BACK L BACK R...
  • Page 24 TX-SR875 E ATI DIA RA -8 SD-8 I ROPRO ESSOR SE TIO NAAR-9075 I ROPRO ESSOR P OARD MPOWER GNDDG FTXD FBUS +3.3VST R7290 FCLK FRXD CNVSS RESET R7289 +3.3V R7213 R7213 R7212 DC Type only R7211 R7210 C7016 102K...
  • Page 25 TX-SR875 C7152 100/16 DIGSDO DIGCLK C7151 104Z FLD1CS +5.0V SIOSTB C7027 NC FLD2CS SIOSDO FLDRST ASWSTB KE 0 R7151 R7154 47 SELSDO KE 1 SIOCLK KE 2 SELSTB KE 3 R7152 7 GND R7153 47 SELCLK LEDLATCH KE INT1 Q7151 +3.3VST...
  • Page 26 TX-SR875 E ATI DIA RA -9 SD-9 DA SE TIO NADG-9074 DA P OARD R3782-3788 220/10 C3781 1 ZEROL 2 ZEROR R3037 R3781 R3031 10K LBC2518T470M 3 MSEL FORCEOFF +3.3V L3031 C3031 1/50 LRCK4/GND R3782 4 LRCK R3032 C3032 1/50...
  • Page 27 TX-SR875 NE5532APSR Q3814 A +14.4V Q3824 A Q3834 A R3978 Q3808 A +OP5 R3808 560 NE5532APSR Resistor Value R3898 R3908 R3928 R3948 R3820-R3839 3.3K C3789 104J C3808 272J R3888 1.5K R3828 R3848 R3688 C3788 R3860-R3879 4.7K VCC2L DACCR R3938 220/10...