Denon AVR-2802 Service Manual
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Denon AVR-2802 Service Manual

Av surround receiver
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For U.S.A., Canada, Europe,
Asia, China, Hong Kong &
Taiwan R.O.C. model
Hi-Fi Component
SERVICE MANUAL
AVR-2802/982
MODEL
AV SURROUND RECEIVER
Some illustrations using in this service manual are slightly different from the actual set.
14-14, AKASAKA 4-CHOME, MINATO-KU, TOKYO 107-8011 JAPAN
Telephone: 03 (3584) 8111
X0119 1174 NC 0112

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  • Page 1 For U.S.A., Canada, Europe, Asia, China, Hong Kong & Taiwan R.O.C. model Hi-Fi Component SERVICE MANUAL AVR-2802/982 MODEL AV SURROUND RECEIVER Some illustrations using in this service manual are slightly different from the actual set. 14-14, AKASAKA 4-CHOME, MINATO-KU, TOKYO 107-8011 JAPAN...

  • Page 2: Specifications

    All manuals and user guides at all-guides.com AVR-2802/982 SAFETY PRECAUTIONS The following check should be performed for the continued protection of the customer and service technician. LEAKAGE CURRENT CHECK Before returning the unit to the customer, make sure you make either (1) a leakage current check or (2) a line to chassis resistance check.

  • Page 3: Wire Arrangement

    All manuals and user guides at all-guides.com AVR-2802/982 WIRE ARRANGEMENT If wire bundles are untied or moved to perform adjustment or parts replacement etc.,be sure to rearrange them neatly as they were originally bundled or placed afterward. Otherwise, incorrect arrangement can be a cause of noise generation.
  • Page 4 All manuals and user guides at all-guides.com AVR-2802/982 DISASSEMBLY (Follow the procedure below in reverse order when reassembling) 1. Top Cover Top Cover Remove 3 screws on the rear and 6 screws on both sides to detach the Top Cover as shown in the arrow direction.
  • Page 5 All manuals and user guides at all-guides.com AVR-2802/982 4. Inner Panel Ass'y (1) Remove 3 round and 1 square knobs, and unscrew 4 nuts. (2) Remove 15 screws fixing each P.W.B. Round Knob Square Knob Round Knob 5. Amp Connect Unit...
  • Page 6 All manuals and user guides at all-guides.com AVR-2802/982 7. Component-Video/S-Video / C-video / Audio & DSP / Ext-in VR / Digital-in / AM FM Tuner Unit (1) Remove 44 screws to detach the Rear Panel. Rear Panel (2) Take off the objective P.W.B. upward.

  • Page 7: Clock Flow & Wave Form In Digital Block

    All manuals and user guides at all-guides.com AVR-2802/982 CLOCK FLOW & WAVE FORM IN DIGITAL BLOCK Wave Form CH1: D-DATA (IC505 (5) ) CH1: DATA CH2: DA-LRCK(fs) CH3: DA-SCK(64fs) CH1: DATA CH2: fs CH3: 64fs CH4: 256fs...
  • Page 8 All manuals and user guides at all-guides.com AVR-2802/982 Clock Flow INPUT A/D SELECTOR SELECTOR IC505 IC800 IC804 SN74HC LC89055W 74LVX157 151NS 256fs MCLK D/A CONVERTER CKOUT(13) (15) COAXIAL 64fs DA SCK (14) IC801 OPTICAL-1 (14) (5)DIN2 DA LRCK AD1854 LRCK(15)

  • Page 9: Block Diagram

    All manuals and user guides at all-guides.com AVR-2802/982 BLOCK DIAGRAM...

  • Page 10: Level Diagrams

    All manuals and user guides at all-guides.com AVR-2802/982 LEVEL DIAGRAMS (1/3)
  • Page 11 All manuals and user guides at all-guides.com AVR-2802/982 LEVEL DIAGRAMS (2/3)
  • Page 12 All manuals and user guides at all-guides.com AVR-2802/982 LEVEL DIAGRAMS (3/3)

  • Page 13: Caution In Servicing

    All manuals and user guides at all-guides.com AVR-2802/982 CAUTION IN SERVICING Initializing AV SURROUND RECEIVER AV SURROUND RECEIVER initialization should be performed when the µcom, peripheral parts of µcom, and DSP P.W.B. are replaced. 1. Switch off the unit and remove the AC cord from the wall outlet.
  • Page 14 All manuals and user guides at all-guides.com AVR-2802/982 ADJUSTMENT Idling Current (1U-3368-1) Required measurement equipment : DC Voltmeter Preparation (1) Avoid direct blow from an air conditioner or an electric fan, and adjust the unit at normal room tempereture 15 °C ~ 30 °C (59 °F ~ 86 °F).
  • Page 15 All manuals and user guides at all-guides.com AVR-2802/982 SEMICONDUCTORS Name Symbol I/O Type Init Function IC’s 38 VASS VASS Ref. volt (GND) Note: Abbreviation ahead of IC No. indicates the name of P.W.B. 39 VAREF VAREF Ref. volt (VDD) PO: Power P.W.B.
  • Page 16 All manuals and user guides at all-guides.com AVR-2802/982 TMP93CS40F (AU: IC301) Name Symbol I/O Type Init Function  DEEMP DAC de-emphasis filter cont. out terminal (H:ON)   PA7/SCOUT 96k-DAC DAC control terminal (H: Sample frequency 96kHz)   (Address latch enable) ...
  • Page 17 All manuals and user guides at all-guides.com AVR-2802/982 CS493292-CL (AU: IC814) A0, SCCLK AUDATA2 DATA7, EMAD7, GPIO7 DATA6, EMAD6, GPIO6 DATA5, EMAD5, GPIO5 RESET DATA4, EMAD4, GPIO4 AGND Top View DGND2 FILT1 DATA3, EMAD3, GPIO3 FILT2 DATA2, EMAD2, GPIO2 CLKSEL...
  • Page 18 All manuals and user guides at all-guides.com AVR-2802/982 LC89055W (AU: IC800) A U D I O E M P H A X S E L X I N M O D E 0 X O U T M O D E 1...
  • Page 19 All manuals and user guides at all-guides.com AVR-2802/982 M35015-210SP (AU: IC453) O S C 1 O S C 2 V E R T * H O R * O S C 1 D D 1 S Y N C S I G N A L...
  • Page 20 All manuals and user guides at all-guides.com AVR-2802/982 AK4527BVQ (AU:IC602) 44 43 42 41 40 39 38 37 36 35 34 SDOS DZF2 RIN+ SMUTE RIN– BICK LIN+ LRCK LIN– SDTI1 ROUT1 SDTI2 LOUT1 Top View SDTI3 ROUT2 SDTO LOUT2...
  • Page 21 All manuals and user guides at all-guides.com AVR-2802/982 BU4094BCF (CO: IC304,305) CO: IC304 STROBE Port Symbol Function DATA Video input switching CLOCK Video input switching Video input switching Video output switching Video output switching Video output switching Video output switching...
  • Page 22 All manuals and user guides at all-guides.com AVR-2802/982 TC9273N-004 (AU: IC108) TC9273N Terminal Function Pin No Symbol Name Function +Power Terminal Dual Power Use:VDD = 8.0~17 V Single Power Use:VDD = 8.0~18V GND=0V Digital Ground GND=0V Vss=-8.0~-17V +Power Terminal 2~12 I/O Terminal Input terminal of analog switch.
  • Page 23 All manuals and user guides at all-guides.com AVR-2802/982 BU4053BCF (AU:IC256) SN74LV244APW (AU: IC818, 825) MM74HC4053SJ (AU: IC451) TOP VIEW FUNCTION TABLE TOP VIEW (each buffer) INH6 LEVEL INPUT OUTPUT BINARY TO 1 of 2 Y-COM CONVER DECODER WITH INHIBIT -TER X-COM  "...
  • Page 24 All manuals and user guides at all-guides.com AVR-2802/982 BU4052BCF (AU:IC255,509,510) AT49LV002T (AU:IC817) TOP VIEW TOP VIEW FUNCTION TABLE FUNCTION TABLE ON SWITCH Pin Name Function RESET A0 - A17 Addresses Common Chip Enable OUT/IN Output Enable Common OUT/IN Write Enable...
  • Page 25 All manuals and user guides at all-guides.com AVR-2802/982 BA033T (AU: IC819) KIA7905PI (RE: IC909) BA15218F (AU: IC112) KIA7805API (RE: IC901, 902, 907) KIA7912PI (RE: IC906) BA4510F (AU: IC811, 812) KIA7806API (PO: IC501) NJM2068MD (EX: IC103, 301, 302, KIA7812API (RE: IC905)
  • Page 26 All manuals and user guides at all-guides.com AVR-2802/982  TRANSISTORS 2SA1505Y 2SB/KTB778 (R/O) 2SK771 2SA970 (BL) 2SA988 (E/F) 2SC2412K (S) 2SA933S (S) FRONT 2SD601A VIEW FRONT KTC2875B 2SA1145 (O/Y) VIEW VIEW VIEW 2SC1740S (S) 2SC2705 (O/Y) 2SC3311A B C E...
  • Page 27 All manuals and user guides at all-guides.com AVR-2802/982  FL DISPLAY CM1690C (CO: FL101) TUNED STEREO PHONO TUNER −1 −2 −3 −1 −2 AUTO V.AUX TAPE MULTI PRO LOGIC DIGITAL DIGITAL ANALOG G2~G16 TUNED STEREO PHONO TUNER −1 −2 −3 −1...

  • Page 28: Printed Wiring Boards

    All manuals and user guides at all-guides.com AVR-2802/982 PRINTED WIRING BOARDS 1U-3368 POWER P.W.B. Ass'y COMPONENT SIDE...
  • Page 29 All manuals and user guides at all-guides.com AVR-2802/982 1U-3369 EXT IN P.W.B. Ass'y COMPONENT SIDE...

  • Page 30: Foil Side

    All manuals and user guides at all-guides.com AVR-2802/982 1U-3369 EXT IN P.W.B. Ass'y FOIL SIDE...
  • Page 31 All manuals and user guides at all-guides.com AVR-2802/982 1U-3370 CONTROL P.W.B. Ass'y COMPONENT SIDE...
  • Page 32 All manuals and user guides at all-guides.com AVR-2802/982 1U-3370 CONTROL P.W.B. Ass'y FOIL SIDE...
  • Page 33 All manuals and user guides at all-guides.com AVR-2802/982 1U-3371 AMP CONNECT P.W.B. Ass'y COMPONENT SIDE...
  • Page 34 All manuals and user guides at all-guides.com AVR-2802/982 1U-3371 AMP CONNECT P.W.B. Ass'y FOIL SIDE...
  • Page 35 All manuals and user guides at all-guides.com AVR-2802/982 1U-3373 AUDIO DSP P.W.B. Ass'y COMPONENT SIDE...
  • Page 36 All manuals and user guides at all-guides.com AVR-2802/982 1U-3373 AUDIO DSP P.W.B. Ass'y FOIL SIDE...

  • Page 37: Note For Parts List

    All manuals and user guides at all-guides.com AVR-2802/982 NOTE FOR PARTS LIST Part indicated with the mark " " are not always in stock and possibly to take a long period of time for supplying, or in some case supplying of part may be refused.

  • Page 38: Parts List Of P.w.b. Unit Ass'y

    All manuals and user guides at all-guides.com AVR-2802/982 Note : The symbols in the column “Remarks” indicate the following destinations. PARTS LIST OF P.W.B. UNIT ASS'Y EU: U.S.A. model E1: Asia model 982: AVR-982 (U.S.A.) model E1H: Hong Kong model...
  • Page 39 All manuals and user guides at all-guides.com AVR-2802/982 Ref. No. Part No. Part Name Remarks Ref. No. Part No. Part Name Remarks R229,230 241 2378 920 Carbon film 220 ohm 1/4W(NB) RD14B2E221JNBST VR401 211 6131 926 Semi fixed resistor 220 ohm...
  • Page 40 All manuals and user guides at all-guides.com AVR-2802/982 Ref. No. Part No. Part Name Remarks Ref. No. Part No. Part Name Remarks Q'ty C401 254 4538 939 Electrolytic 47 uF/16V CE04W1C470MT SMG/RE3 OTHER PARTS GROUP For EU,982,EC, AC501 203 3976 002 AC outlet (2P)
  • Page 41 All manuals and user guides at all-guides.com AVR-2802/982 1U-3369 EXT. IN UNIT ASS'Y Ref. No. Part No. Part Name Remarks Q'ty Ref. No. Part No. Part Name Remarks S751 212 4810 006 Slide switch For E1,E1H SEMICONDUCTORS GROUP S801 212 0373 000 Rotary encoder EC16B...
  • Page 42 All manuals and user guides at all-guides.com AVR-2802/982 Ref. No. Part No. Part Name Remarks Ref. No. Part No. Part Name Remarks 276 0432 903 Diode 1SS270A For E2,E1,E1H,E1C,EUT R417,418 247 2005 903 Carbon chip 100 ohm 1/16W RM73B--101JT D911,912...
  • Page 43 All manuals and user guides at all-guides.com AVR-2802/982 Ref. No. Part No. Part Name Remarks Ref. No. Part No. Part Name Remarks R725,726 247 2015 964 Carbon chip 2.7 Mohm 1/16W RM73B--275KT R855,856 247 2012 925 Carbon chip 100 kohm 1/16W...
  • Page 44 All manuals and user guides at all-guides.com AVR-2802/982 Ref. No. Part No. Part Name Remarks Ref. No. Part No. Part Name Remarks CAPACITORS GROUP C517 254 4524 985 Electrolytic 10 uF/50V CE04W1H100MT SMG/RE3 C518,519 257 0511 904 Ceramic chip 0.01 uF/50V...
  • Page 45 All manuals and user guides at all-guides.com AVR-2802/982 1U-3370 CONTROL UNIT ASS'Y Ref. No. Part No. Part Name Remarks Ref. No. Part No. Part Name Remarks C896,897 254 4525 900 Electrolytic 33 uF/50V CE04W1H330MT SMG/RE3 SEMICONDUCTORS GROUP For EU,982,EC IC101...
  • Page 46 All manuals and user guides at all-guides.com AVR-2802/982 Ref. No. Part No. Part Name Remarks Ref. No. Part No. Part Name Remarks R114 247 2006 928 Carbon chip 300 ohm 1/16W RM73B--301JT 247 2018 903 Carbon chip 0 ohm 1/16W...
  • Page 47 All manuals and user guides at all-guides.com AVR-2802/982 Ref. No. Part No. Part Name Remarks Ref. No. Part No. Part Name Remarks R407 247 2009 909 Carbon chip 4.7 kohm 1/16W RM73B--472JT (1608) C392 257 0509 929 Ceramic chip 1000 pF/50V...
  • Page 48 All manuals and user guides at all-guides.com AVR-2802/982 1U-3371 REGULATOR UNIT ASS'Y Ref. No. Part No. Part Name Remarks Q'ty Ref. No. Part No. Part Name Remarks FB304,305 235 0049 900 Beads inductor SEMICONDUCTORS GROUP IC901,902 263 1100 005 IC KIA7805API...
  • Page 49 All manuals and user guides at all-guides.com AVR-2802/982 Ref. No. Part No. Part Name Remarks Ref. No. Part No. Part Name Remarks R519,520 247 2010 969 Carbon chip 22 kohm 1/16W RM73B--223JT CAPACITORS GROUP R521-524 247 2006 960 Carbon chip 470 ohm 1/16W...
  • Page 50 All manuals and user guides at all-guides.com AVR-2802/982 1U-3373 DSP/VIDEO UNIT ASS'Y Ref. No. Part No. Part Name Remarks Q’ty Ref. No. Part No. Part Name Remarks OTHER PARTS GROUP SEMICONDUCTORS GROUP CW045 205 0885 082 4P connector socket (TUC-P)
  • Page 51 All manuals and user guides at all-guides.com AVR-2802/982 Ref. No. Part No. Part Name Remarks Ref. No. Part No. Part Name Remarks TR501 271 0300 904 Transistor KTA1266GR 247 2006 960 Carbon chip 470 ohm 1/16W RM73B--471JT TR502 269 0020 906 Transistor DTC114ES(10K-10K)
  • Page 52 All manuals and user guides at all-guides.com AVR-2802/982 Ref. No. Part No. Part Name Remarks Ref. No. Part No. Part Name Remarks R336 247 2009 983 Carbon chip 10 kohm 1/16W RM73B--103JT R549,550 247 2009 983 Carbon chip 10 kohm 1/16W...
  • Page 53 All manuals and user guides at all-guides.com AVR-2802/982 Ref. No. Part No. Part Name Remarks Ref. No. Part No. Part Name Remarks R761,762 247 2012 925 Carbon chip 100 kohm 1/16W RM73B--104JT R955-957 247 2004 920 Carbon chip 47 ohm 1/16W...
  • Page 54 All manuals and user guides at all-guides.com AVR-2802/982 Ref. No. Part No. Part Name Remarks Ref. No. Part No. Part Name Remarks C313 254 4524 943 Electrolytic 1 uF/50V CE04W1H010MT SMG/RE3 C622 257 0506 951 Ceramic chip 100 pF/50V CC73CH1H101JT C623 257 0512 903 Ceramic chip 0.1 uF/25V...
  • Page 55 All manuals and user guides at all-guides.com AVR-2802/982 Ref. No. Part No. Part Name Remarks Ref. No. Part No. Part Name Remarks Q'ty C838 254 4524 943 Electrolytic 1 uF/50V CE04W1H010MT SMG/RE3 OTHER PARTS GROUP C850,851 257 0511 904 Ceramic chip 0.01 uF/50V...

  • Page 56: Exploded View

    All manuals and user guides at all-guides.com AVR-2802/982 EXPLODED VIEW WARNING: Parts marked with this symbol have critical characteristics. Use ONLY r eplacement parts recommended by the manufacturer. E2,E1 model E1,E1H model EU,EC model E2,E1,E1C, E1H,EUT model E2,E1,E1C,E1H model The symbols indicate the following distinations.

  • Page 57: Parts List Of Exploded View

    For E1,E1H 203 2374 029 2P VA-VA cord For E2,E1,E1H,E1C,EUT Power unit 19 412 2814 031 Card spacer (L=4) 131 9004 013 DENON mark For Black model H/P unit 20 409 0052 019 Holder (A) 131 9004 068 DENON mark For Gold model P.SW-1 unit...

  • Page 58: Packing View

    All manuals and user guides at all-guides.com AVR-2802/982 PACKING VIEW Note: The symbols in the column "Remarks" indicate the following destinations. EU: U.S.A. model E1C: China model EC: Canada model E1H: Hong Kong model E2: Europe model EUT: Taiwan R.O.C. model PARTS LIST OF PACKING &...

  • Page 59: Wiring Diagram

    All manuals and user guides at all-guides.com AVR-2802/982 WIRING DIAGRAM...

  • Page 60: Schematic Diagrams

    All manuals and user guides at all-guides.com AVR-2802/982 SCHEMATIC DIAGRAMS (1/12) + 12V -12V + B LINE -B LINE SIGNAL LINE WARNING: Parts marked with this symbol have critical characteristics. Use ONLY replacement parts recommended by the manufacture. CAUTION: NOTICE Before returning the unit to the customer, make sure you make either (1) a ALL RESISTANCE VALUES IN OHM.
  • Page 61 All manuals and user guides at all-guides.com AVR-2802/982 SCHEMATIC DIAGRAMS (1/12) + 12V -12V + B LINE -B LINE SIGNAL LINE WARNING: Parts marked with this symbol have critical characteristics. Use ONLY replacement parts recommended by the manufacture. CAUTION: NOTICE Before returning the unit to the customer, make sure you make either (1) a ALL RESISTANCE VALUES IN OHM.
  • Page 62 All manuals and user guides at all-guides.com SCHEMATIC DIAGRAMS (1/12)
  • Page 63 All manuals and user guides at all-guides.com AVR-2802/982 + 12V...
  • Page 64 All manuals and user guides at all-guides.com NOTICE ALL RESISTANCE VALU ALL CAPACITANCE VA EACH VOLTAGE AND C CONDITION. CIRCUIT AND PARTS A NOTICE. NOTICE.
  • Page 65 All manuals and user guides at all-guides.com + 12V -12V + B LINE -B LINE SIGNAL LINE WARNING: Parts marked with this symbol have critical characteristics. Use ONLY replacement parts recommended by the manufacture. CAUTION: Before returning the unit to the customer, make sure you make either (1) a NCE VALUES IN OHM.
  • Page 66 All manuals and user guides at all-guides.com AVR-2802/982 SCHEMATIC DIAGRAMS (2/12) + 5V + 5V + 5V + 2.5V + 3.3V + B LINE SIGNAL LINE WARNING: Parts marked with this symbol have critical characteristics. Use ONLY replacement parts recommended by the manufacture.
  • Page 67 All manuals and user guides at all-guides.com AVR-2802/982 SCHEMATIC DIAGRAMS (2/12) + 5V + 5V + 5V + 2.5V + 3.3V + B LINE SIGNAL LINE WARNING: Parts marked with this symbol have critical characteristics. Use ONLY replacement parts recommended by the manufacture.
  • Page 68 All manuals and user guides at all-guides.com SCHEMATIC DIAGRAMS (2/12) + 2.5V...
  • Page 69 All manuals and user guides at all-guides.com AVR-2802/982 + 5V + 5V + 5V...
  • Page 70 All manuals and user guides at all-guides.com + 2.5V + 3.3V NOTICE ALL RESISTANCE VAL ALL CAPACITANCE VA EACH VOLTAGE AND C CONDITION. CIRCUIT AND PARTS A NOTICE.
  • Page 71 All manuals and user guides at all-guides.com + B LINE SIGNAL LINE WARNING: Parts marked with this symbol have critical characteristics. Use ONLY replacement parts recommended by the manufacture. CAUTION: Before returning the unit to the customer, make sure you make either (1) a leakage current check or (2) a line to chassis resistance check.
  • Page 72 All manuals and user guides at all-guides.com AVR-2802/982 SCHEMATIC DIAGRAMS (3/12) -12V +12V -12V +2.2V +2.2V +2.2V + B LINE - B LINE SIGNAL LINE WARNING: Parts marked with this symbol have critical characteristics. Use ONLY replacement parts recommended by the manufacture.
  • Page 73 All manuals and user guides at all-guides.com AVR-2802/982 SCHEMATIC DIAGRAMS (3/12) -12V +12V -12V +2.2V +2.2V +2.2V + B LINE - B LINE SIGNAL LINE WARNING: Parts marked with this symbol have critical characteristics. Use ONLY replacement parts recommended by the manufacture.
  • Page 74 All manuals and user guides at all-guides.com...

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Avr-982

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