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

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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: Safety Precautions

    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 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: Front Panel

    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. 2. Front Panel...
  • Page 5 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 (1) Remove 3 screw to detach Pre-out Unit...
  • Page 6 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. 8. How to Check Power / Control Unit with...
  • Page 7 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 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 DA SCK 64fs (14) IC801 OPTICAL-1 (14) (5)DIN2 DA LRCK AD1854 LRCK(15) OPTICAL-2 (13) SD IN DATA (16) (12)
  • Page 9 AVR-2802/982 BLOCK DIAGRAM...
  • Page 10 AVR-2802/982 LEVEL DIAGRAMS (1/3)
  • Page 11 AVR-2802/982 LEVEL DIAGRAMS (2/3)
  • Page 12 AVR-2802/982 LEVEL DIAGRAMS (3/3)
  • Page 13 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 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 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. RE: Regulator P.W.B. 40 VDD Power supply EX: Exit in P.W.B.
  • Page 16 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 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 DATA1, EMAD1, GPIO1 CLKIN DATA0, EMAD0, GPIO0...
  • Page 18 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 X M C K D G N D...
  • Page 19 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 S Y N C S I G N A L D I S -...
  • Page 20 AVR-2802/982 AK4527BVQ (AU:IC602) 44 43 42 41 40 39 38 37 36 35 34 SDOS DZF2 RIN+ SMUTE RIN– LIN+ BICK LRCK LIN– SDTI1 ROUT1 SDTI2 LOUT1 Top View SDTI3 ROUT2 SDTO LOUT2 DAUX ROUT3 LOUT3 12 13 14 15 16 17 18 19 20 21 22...
  • Page 21 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 Video output switching CO: IC305 Port Symbol Function DIRECT/TONE DEFEAT DIRECT &...
  • Page 22 AVR-2802/982 TC9273N-004 (AU: IC108) TC9273N Terminal Function Function Pin No Symbol Name +Power Terminal Dual Power Use:VDD = 8.0~17 V Single Power Use:VDD = 8.0~18V GND=0V GND=0V Digital Ground Vss=-8.0~-17V +Power Terminal 2~12 I/O Terminal S1~S10 Input terminal of analog switch.
  • Page 23 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 Vss8 Z-COM X0 12...
  • Page 24 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 NONE RESET RESET I/O0 -I/O7 Data Inputs/Outputs...
  • Page 25 AVR-2802/982 KIA7905PI (RE: IC909) BA033T (AU: IC819) 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) 308~310, 701, 801~804) FRONT (AU: IC109, 701, 721, 741, 761)
  • Page 26 AVR-2802/982  TRANSISTORS 2SB/KTB778 (R/O) 2SK771 2SA970 (BL) 2SA1505Y 2SA988 (E/F) 2SC2412K (S) 2SA933S (S) FRONT 2SD601A FRONT VIEW 2SA1145 (O/Y) KTC2875B VIEW VIEW VIEW 2SC1740S (S) 2SC2705 (O/Y) 2SC3311A B C E 2SD2144STPU KTA1266 (GR) KTC2874B 2SC/KTC3200(BL) DTC114EK DTC114ES...
  • Page 27 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 −2 −1 −2 −3 −1 MULTI AUTO V.AUX TAPE PRO LOGIC...
  • Page 28 AVR-2802/982 PRINTED WIRING BOARDS 1U-3368 POWER P.W.B. Ass'y COMPONENT SIDE...
  • Page 29 AVR-2802/982 1U-3369 EXT IN P.W.B. Ass'y COMPONENT SIDE...
  • Page 30 AVR-2802/982 1U-3369 EXT IN P.W.B. Ass'y FOIL SIDE...
  • Page 31 AVR-2802/982 1U-3370 CONTROL P.W.B. Ass'y COMPONENT SIDE...
  • Page 32 AVR-2802/982 1U-3370 CONTROL P.W.B. Ass'y FOIL SIDE...
  • Page 33 AVR-2802/982 1U-3371 AMP CONNECT P.W.B. Ass'y COMPONENT SIDE...
  • Page 34 AVR-2802/982 1U-3371 AMP CONNECT P.W.B. Ass'y FOIL SIDE...
  • Page 35 AVR-2802/982 1U-3373 AUDIO DSP P.W.B. Ass'y COMPONENT SIDE...
  • Page 36 AVR-2802/982 1U-3373 AUDIO DSP P.W.B. Ass'y FOIL SIDE...
  • Page 37 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. When ordering of part, clearly indicate "1" and "I" (i) to avoid mis-supplying.
  • Page 38 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 EC: Canada model E1C: China model 1U-3368 POWER UNIT ASS'Y E2: Europe model EUT: Taiwan R.O.C.
  • Page 39 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 V06PB221T R237-240 241 2376 964 Carbon film 47 ohm 1/4W(NB)
  • Page 40 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) For EU,982,EC,EUT E1,E1H,E1C,EUT...
  • Page 41 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 IC102 262 2616 003 IC TC9184AP...
  • Page 42 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 D911,912 276 0432 903 Diode 1SS270A For EU,982,EC...
  • Page 43 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 RM73B--104JT R857 247 2009 983 Carbon chip 10 kohm 1/16W...
  • Page 44 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 CK73F1H103ZT C101,102 254 4524 956 Electrolytic 2.2 uF/50V...
  • Page 45 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 262 2549 002 IC LC75721E 254 4541 942 Electrolytic 100 uF/25V...
  • Page 46 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 RM73B--0R0KT R115 247 2006 973 Carbon chip 510 ohm 1/16W...
  • Page 47 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 CK73B1H102KT For E2 For EU,982,EC,E2 C398...
  • Page 48 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 FL101 393 8033 007 FLD (CM1690C)
  • Page 49 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 RM73B--471JT C501-504 254 4538 913 Electrolytic 22 uF/16V...
  • Page 50 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) IC107 262 2545 006 IC TC9274N-011 CW054-058 205 0885 008 5P connector socket (TUC-P)
  • Page 51 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) For E2,E1,E1H,E1C,EUT TR503 269 0082 902 Transistor DTC114EK R163,164 247 2015 964 Carbon chip 2.7 Mohm 1/16W...
  • Page 52 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 RM73B--103JT R337 247 2011 942 Carbon chip 47 kohm 1/16W...
  • Page 53 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 RM73B--470JT R763-770 247 2009 909 Carbon chip 4.7 kohm 1/16W...
  • Page 54 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 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 CK73F1H103ZT CW061 205 0942 019 6P connector socket (TUC-P) C856-859 257 0511 904 Ceramic chip 0.01 uF/50V...

  • Page 56: Exploded View

    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. EU : U.S.A. model...
  • Page 57 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 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 & ACCESSORIES E1: Asia model Ref.
  • Page 59 AVR-2802/982 WIRING DIAGRAM...
  • Page 60 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 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 SCHEMATIC DIAGRAMS (1/12)
  • Page 63 AVR-2802/982 + 12V...
  • Page 64 NOTICE ALL RESISTANCE VALU ALL CAPACITANCE VA EACH VOLTAGE AND C CONDITION. CIRCUIT AND PARTS A NOTICE. NOTICE.
  • Page 65 + 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 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. CAUTION: NOTICE 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 67 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. CAUTION: NOTICE 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 68 SCHEMATIC DIAGRAMS (2/12) + 2.5V...
  • Page 69 AVR-2802/982 + 5V + 5V + 5V...
  • Page 70 + 2.5V + 3.3V NOTICE ALL RESISTANCE VAL ALL CAPACITANCE VA EACH VOLTAGE AND C CONDITION. CIRCUIT AND PARTS A NOTICE.
  • Page 71 + 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. If the leakage NCE VALUES IN OHM.
  • Page 72 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. CAUTION: Before returning the unit to the customer, make sure you make either (1) a NOTICE leakage current check or (2) a line to chassis resistance check.
  • Page 73 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. CAUTION: Before returning the unit to the customer, make sure you make either (1) a NOTICE leakage current check or (2) a line to chassis resistance check.

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