Denon AVR-1882 Service Manual
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Denon AVR-1882 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-1802/882
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
X0117 1174 NC 0109

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Summary of Contents for Denon AVR-1882

  • Page 1: Service Manual

    For U.S.A., Canada, Europe, Asia, China, Hong Kong & Taiwan R.O.C. model Hi-Fi Component SERVICE MANUAL AVR-1802/882 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 X0117 1174 NC 0109...

  • Page 2: Safety Precautions

    AVR-1802/882 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: Top Cover

    AVR-1802/882 DISASSEMBLY (To reassemble reverse disassenbly) Top Cover Top Cover Remove 6 screws and 3 screws , detach the Top Cover in the arrow direction. Front Panel 1. Remove 2 screws 2. Remove 4 screws 3. Detach the Front Panel in the arrow direction. Front Panel Rear Panel 1.

  • Page 4: Tuner Section

    AVR-1802/882 ADJUSTMENT Tuner Section CONNECTION DIAGRAM OF MEASURING INSTRUMENTS T402 T403 STEREO R471 MODULATOR IC402 75ohm FM SSG VR402 Digital Voltmeter TUNER B'D FM ALIGNMENT Input Output Adjustment Tuning Alignment Step Frequency Input Item Type Frequency Modulation Coupling Type Connect to Points Adjust to Setting...

  • Page 5: Audio Section

    AVR-1802/882 Audio Section Idling Current 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). (2) Presetting G POWER (Power sourse switch) →...

  • Page 6: Level Diagram

    AVR-1802/882 LEVEL DIAGRAM...
  • Page 7 AVR-1802/882 SEMICONDUCTORS CS493263-CL (AU: IC812) A0,SCCLK AUDATA2 DATA7,EMAD7,GPIO7 DATA6,EMAD6,GPIO6 DATA5,EMAD5,GPIO5 RESET DATA4,EMAD4,GPIO4 AGND DGND2 FILT1 DATA3,EMAD3,GPIO3 FILT2 DATA2,EMAD2,GPIO2 CLKSEL DATA1,EMAD1,GPIO1 CLKIN DATA0,EMAD0,GPIO0 CMPREQ,LRCLKN2 18 19 20 21 22 CS493263-CL Terminal Function Function Pin Name Digital positive supply DGND1 Digital supply ground AUDATA3, XMT958 SPDIF transmitter output, Digital audio output 3 WR, DS, EMWR, GPIO10...
  • Page 8 AVR-1802/882 LC89055W (IC810) LC89055W Terminal Function Pin Name Function DISEL Data input terminal (select input pin of DIN0, DIN1) DOUT Input bi-phase data through output terminal DIN0 Amp built-in coaxial/optical input correspond data input terminal DIN1 Amp built-in coaxial/optical input correspond data input terminal DIN2 Optical input correspond data input terminal DGND...
  • Page 9 AVR-1802/882 AK4527BVQ (IC813) 44 43 42 41 40 39 38 37 36 35 34 SDOS DZ F 2/ OV F I 2C RI N+ SMUTE RI N– BI CK L I N+ AK4527BVQ L RCK L I N– SDTI 1 ROUT1 SDTI 2 L OUT1...
  • Page 10 AVR-1802/882 LC72131 (IC401) LA1266 (IC402) A M - I F F M - I F F M - I N V c c X I N X O U T P O S T F M - I F Q . D . B U F F E R B U F F E R A M P...
  • Page 11 AVR-1802/882 LC75721E (IC301) KIC9164AN (IC203) LC75721E Terminal Function Symbol Function Power terminal +5V Power terminal GND L-S1 R-S1 Power terminal FL drive L-S2 R-S2 AM 17 Serial data transfer terminal AM 18 L-S3 R-S3 DI: Data AM 19 AM 20 CL: Clock L-S4 R-S4...
  • Page 12 AVR-1802/882 KIA7805AP (IC104) SN74LV4040 (IC831) NJM7915FA (IC102) KIA7815AP (IC101) Terminal Function NJM7805FA(S) (IC103, 829) Q 1 1 I N P U T S O U T P U T S Q 1 0 FRONT FRONT n o c h a n g e VIEW VIEW c o u n t...
  • Page 13 AVR-1802/882 TRANSISTORS 2SC2412K DTA114EK KTC3880S DTA114YK DTC Series DTA Series DTA144EK DTC114EK DTC114YK DTC144EK VIEW VIEW 10kohm / W 10kohm / W 10kohm / W 10kohm / W DTA114EK DTC114EK DTA114ES 10kohm / W 10kohm / W DTC114TS 10kohm / W ¾...
  • Page 14 AVR-1802/882 FL DISPLAY 16-st-42GNK (FL301) TUNED STEREO PHONO TUNER DVD / - 2 - 3 AUTO V.AUX TAPE MULTI PRO LOGIC DIGITAL DIGITAL ANALOG G2~G16 G12 G10 TUNED STEREO PHONO TUNER DVD / VDP TV / DBS - 2 - 3 V.AUX AUTO / TAPE MULTI...

  • Page 15: Printed Wiring Boards

    AVR-1802/882 PRINTED WIRING BOARDS MAIN P.W.B. Ass'y (for U.S.A. , Canada, Europe & China Models) COMPONENT SIDE...

  • Page 16: Foil Side

    AVR-1802/882 MAIN P.W.B. Ass'y (for U.S.A. , Canada, Europe & China Models) FOIL SIDE...
  • Page 17 AVR-1802/882 MAIN P.W.B. Ass'y (for Asia, Hong Kong & Taiwan R.O.C. Models) COMPONENT SIDE...
  • Page 18 AVR-1802/882 MAIN P.W.B. Ass'y (for Asia, Hong Kong & Taiwan R.O.C. Models) FOIL SIDE...
  • Page 19 AVR-1802/882 PROCESSOR P.W.B. Ass'y COMPONENT SIDE...
  • Page 20 AVR-1802/882 PROCESSOR P.W.B. Ass'y FOIL SIDE...
  • Page 21 AVR-1802/882 CNT P.W.B. Ass'y COMPONENT SIDE...
  • Page 22 AVR-1802/882 CNT P.W.B. Ass'y FOIL SIDE...
  • Page 23 AVR-1802/882 PRE-AMP P.W.B. Ass'y COMPONENT SIDE...
  • Page 24 AVR-1802/882 PRE-AMP P.W.B. Ass'y FOIL SIDE...
  • Page 25 AVR-1802/882 DSP P.W.B. Ass'y COMPONENT SIDE FOIL SIDE...
  • Page 26 AVR-1802/882 VOLTAGE P.W.B. Ass'y COMPONENT SIDE...

  • Page 27: Note For Parts List

    AVR-1802/882 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. Ordering part without stating its part number can not be supplied.

  • Page 28: Parts List Of P.w.b. Unit

    AVR-1802/882 Note: The symbols in the column “Remarks” indicate the following destinations. PARTS LIST OF P.W.B. UNIT E3: U.S.A. model, Canada model E1C: China model EU: U.S.A. model (AVR-882) E1H: Hong Kong model E2: Europe model E1T: Taiwan R.O.C. model MAIN P.W.B.
  • Page 29 AVR-1802/882 Ref. No. Part No. Part Name Remarks Ref. No. Part No. Part Name Remarks R719L,R 963 9004 258 Carbon chip 240 ohm 1/10W C171A~C 963 9004 818 Ceramic 0.1µF/50V R720L,R 963 9004 148 Carbon chip 130 kohm 1/16W C172,173 Electrolytic 220µF/6.3V R721L,R 963 9004 106 Carbon chip 11 kohm 1/10W...
  • Page 30 AVR-1802/882 PROCESSOR P.W.B. ASS'Y Ref. No. Part No. Part Name Remarks Q'ty Ref. No. Part No. Part Name Remarks F101 960 0142 602 Fuse 2.5A SEMICONDUCTORS GROUP F102 960 0044 709 Fuse 3.15A E2,E1C IC201 963 0084 303 IC CXP740096-135Q F101A,B 960 0005 804 Fuse clip E3,E2...
  • Page 31 AVR-1802/882 Ref. No. Part No. Part Name Remarks Ref. No. Part No. Part Name Remarks R206 963 9004 232 Carbon chip 220 kohm 1/16W R247SW 963 9004 339 Carbon chip 470 ohm 1/16W R208 963 9003 398 Carbon chip 1 kohm 1/16W R250 963 9004 368 Carbon chip 470 kohm 1/16W R209...
  • Page 32 AVR-1802/882 Ref. No. Part No. Part Name Remarks Ref. No. Part No. Part Name Remarks Q'ty C233C 963 9004 724 Ceramic chip 2200pF/50V OTHER PARTS GROUP C233FL,FR 963 9004 724 Ceramic chip 2200pF/50V CB201,202 963 0053 800 BEADS INDUCTOR C234FL,FR 963 9004 672 Ceramic chip 680pF/50V C235SW 963 9004 575 Ceramic chip 100pF/50V CN301...
  • Page 33 AVR-1802/882 CNT P.W.B. ASS'Y Ref. No. Part No. Part Name Remarks Ref. No. Part No. Part Name Remarks SEMICONDUCTORS GROUP R405 960 9003 807 Metal film 100 ohm 1/4W R406 963 9004 342 Carbon chip 4.7 kohm 1/16W IC401 963 0043 700 IC LC72131 R407 963 9004 407 Carbon chip 620 ohm 1/16W E3,E1,E1C,E1H,E1T...
  • Page 34 AVR-1802/882 Ref. No. Part No. Part Name Remarks Ref. No. Part No. Part Name Remarks R551SW,552SW 963 9004 339 Carbon chip 470 ohm 1/16W CAPACITORS GROUP R553FL,FR 963 9004 083 Carbon chip 100 kohm 1/16W C401,402 963 9004 685 Ceramic chip 1000pF/50V R553SW 963 9004 229 Carbon chip 22 kohm 1/16W C403...
  • Page 35 AVR-1802/882 Ref. No. Part No. Part Name Remarks Ref. No. Part No. Part Name Remarks C463 963 9004 782 Mylar film 0.056µF/100V C901H,902H 963 9004 533 Ceramic 0.001µF/50V C464 963 9004 973 Ceramic 3pF/50V C903 963 9004 575 Ceramic chip 1000pF/50V C471VT Electrolytic 1µF/50V C903H...
  • Page 36 AVR-1802/882 PRE-AMP P.W.B. ASS'Y Ref. No. Part No. Part Name Remarks Q'ty Ref. No. Part No. Part Name Remarks L403 963 0056 409 MW IF COIL RBW07VB-K5025 BLK SEMICONDUCTORS GROUP Q501C 960 0196 603 Transistor KTC2874B RELAY551 963 0083 100 Relay (RSB12S DC12V) Q501FL,FR 960 0196 603 Transistor KTC2874B Q501M 960 0196 603 Transistor KTC2874B...
  • Page 37 AVR-1802/882 DSP P.W.B. ASS'Y Ref. No. Part No. Part Name Remarks Q’ty Ref. No. Part No. Part Name Remarks OTHER PARTS GROUP SEMICONDUCTORS GROUP CN501 963 0085 506 9P connector socket (TUC-P) IC801,802 269 0186 002 IC GP1FA502RZ CN502-504 963 0085 603 5P connector socket (TUC-P) IC803 963 0073 903 IC 74VHCU04 CN505...
  • Page 38 AVR-1802/882 Ref. No. Part No. Part Name Remarks Ref. No. Part No. Part Name Remarks R854L 963 9004 355 Carbon chip 47 kohm 1/16W R931L,R 963 9004 177 Carbon chip 18 kohm 1/16W R855 963 9004 083 Carbon chip 100 kohm 1/16W R932 963 9004 342 Carbon chip 4.7 kohm 1/16W R856...
  • Page 39 AVR-1802/882 Ref. No. Part No. Part Name Remarks Ref. No. Part No. Part Name Remarks Q'ty C873C 963 9004 672 Ceramic chip 680pF/50V OTHER PARTS GROUP C873FL,FR 963 9004 672 Ceramic chip 680pF/50V CB801 963 0050 502 Chip emifil C873SL,SR 963 9004 672 Ceramic chip 680pF/50V CB803~808 963 0050 502 Chip emifil C873SW 963 9004 672 Ceramic chip 680pF/50V...
  • Page 40 AVR-1802/882 VOLTAGE P.W.B. ASS'Y Ref. No. Part No. Part Name Remarks Q'ty OTHER PARTS GROUP CN105 963 0059 202 2P connector cord E1,E1H,E1T CN903 963 0058 805 2P connector cord E1,E1H,E1T CP901 963 0061 203 5P connector base E1,E1H,E1T CP902 963 0059 309 3P connector cord E1,E1H,E1T F101...

  • Page 41: Exploded View

    AVR-1802/882 EXPLODED VIEW WARNING: Parts marked with this symbol have critical characteristics. Use ONLY r eplacement parts recommended by the manufacturer. for E1,E1H,E1T for E2,E1,E1H,E1T for E3,EU Note: The symbols indicate the following destinations. E3 : U.S.A. model, Canada model EU : U.S.A.

  • Page 42: Parts List Of Exploded View

    AVR-1802/882 Note: The symbols in the column “Remarks” indicate the following destinations. E3: U.S.A. model, Canada model E1C: China model EU: U.S.A. model (AVR-882) E1H: Hong Kong model PARTS LIST OF EXPLODED VIEW E2: Europe model E1T: Taiwan R.O.C. model E1: Asia model Ref.
  • Page 43 AVR-1802/882 Ref. No. Part No. Part Name Remarks Q'ty 55 963 0082 101 Back panel for E3 963 0082 156 for 882EU 963 0082 114 for E2 963 0082 130 for E1, E1H, E1T 963 0082 143 for E1C 57 960 0192 403 Cord bush 58 960 0166 400 AC cord assy for E3, EU 960 0165 304...

  • Page 44: Packing View

    AVR-1802/882 PACKING VIEW Contents Note: The symbols in the column “Remarks” indicate the following destinations. E3: U.S.A. model, Canada model E1C: China model EU: U.S.A. model (AVR-882) E1H: Hong Kong model PARTS LIST OF PACKING & ACCESSORIES E2: Europe model E1T: Taiwan R.O.C.

  • Page 45: Block Diagram

    AVR-1802/882 BLOCK DIAGRAM...

  • Page 46: Wiring Diagram

    AVR-1802/882 WIRING DIAGRAM...

  • Page 47: Schematic Diagrams

    AVR-1802/882 SCHEMATIC DIAGRAMS (1/8) + B LINE - B LINE WARNING: SIGNAL LINE 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 SCHEMATIC DIAGRAMS (1/8) leakage current check or (2) a line to chassis resistance check.
  • Page 48 AVR-1802/882 SCHEMATIC DIAGRAMS (1/8) + B LINE - B LINE WARNING: SIGNAL LINE 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 SCHEMATIC DIAGRAMS (1/8) leakage current check or (2) a line to chassis resistance check.
  • Page 49 SCHEMATIC DIAGRAMS (1/8)
  • Page 50 AVR-1802/882...
  • Page 51 NOTICE ALL RESISTANCE VALU ALL CAPACITANCE VAL EACH VOLTAGE AND C CONDITION. CIRCUIT AND PARTS A NOTICE.
  • Page 52 + B LINE - B LINE WARNING: SIGNAL LINE 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 SCHEMATIC DIAGRAMS (1/8) leakage current check or (2) a line to chassis resistance check.
  • Page 53 AVR-1802/882 SCHEMATIC DIAGRAMS (2/8) IC812 IC833 CS49329 W24L257AJ-12 E3, E2, E1, E1H, E1T, E1C CS49326 M27W201-8086 W24L257AJ-12 + B LINE - B LINE WARNING: SIGNAL LINE 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...
  • Page 54 AVR-1802/882 SCHEMATIC DIAGRAMS (2/8) IC812 IC833 CS49329 W24L257AJ-12 E3, E2, E1, E1H, E1T, E1C CS49326 M27W201-8086 W24L257AJ-12 + B LINE - B LINE WARNING: SIGNAL LINE 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...
  • Page 55 SCHEMATIC DIAGRAMS (2/8) IC812 IC833 CS49329 W24L257AJ-12 E3, E2, E1, E1H, E1T, E1C CS49326 M27W201-8086 W24L257AJ-12...
  • Page 56 AVR-1802/882...
  • Page 57 NOTICE ALL RESISTANCE VALU ALL CAPACITANCE VAL EACH VOLTAGE AND C CONDITION. CIRCUIT AND PARTS A NOTICE.
  • Page 58 + B LINE - B LINE WARNING: SIGNAL LINE 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 59 AVR-1802/882 SCHEMATIC DIAGRAMS (3/8) + B LINE - B LINE WARNING: SIGNAL LINE 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 60 AVR-1802/882 SCHEMATIC DIAGRAMS (3/8) + B LINE - B LINE WARNING: SIGNAL LINE 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 61 SCHEMATIC DIAGRAMS (3/8)
  • Page 62 AVR-1802/882...
  • Page 63 NOTICE ALL RESISTANCE VALU ALL CAPACITANCE VAL EACH VOLTAGE AND C CONDITION. CIRCUIT AND PARTS A NOTICE.
  • Page 64 + B LINE - B LINE WARNING: SIGNAL LINE 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 65 AVR-1802/882 SCHEMATIC DIAGRAMS (4/8) + B LINE - B LINE WARNING: SIGNAL LINE 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 66 AVR-1802/882 SCHEMATIC DIAGRAMS (4/8) + B LINE - B LINE WARNING: SIGNAL LINE 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 67 SCHEMATIC DIAGRAMS (4/8)
  • Page 68 AVR-1802/882...
  • Page 69 NOTICE ALL RESISTANCE VAL ALL CAPACITANCE VA EACH VOLTAGE AND C CONDITION. CIRCUIT AND PARTS A NOTICE.
  • Page 70 + B LINE - B LINE WARNING: SIGNAL LINE 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 71 AVR-1802/882 SCHEMATIC DIAGRAMS (5/8) + B LINE - B LINE WARNING: SIGNAL LINE 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 72 AVR-1802/882 SCHEMATIC DIAGRAMS (5/8) + B LINE - B LINE WARNING: SIGNAL LINE 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 SCHEMATIC DIAGRAMS (5/8)
  • Page 74 AVR-1802/882...
  • Page 75 NOTICE ALL RESISTANCE VALU ALL CAPACITANCE VAL EACH VOLTAGE AND C CONDITION. CIRCUIT AND PARTS A NOTICE.
  • Page 76 + B LINE - B LINE WARNING: SIGNAL LINE 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 77 AVR-1802/882 SCHEMATIC DIAGRAMS (6/8) + B 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 SCHEMATIC DIAGRAMS (6/8) leakage current check or (2) a line to chassis resistance check.
  • Page 78 AVR-1802/882 SCHEMATIC DIAGRAMS (6/8) + B 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 SCHEMATIC DIAGRAMS (6/8) leakage current check or (2) a line to chassis resistance check.
  • Page 79 SCHEMATIC DIAGRAMS (6/8)
  • Page 80 AVR-1802/882...
  • Page 81 NOTICE ALL RESISTANCE VALU ALL CAPACITANCE VAL EACH VOLTAGE AND C CONDITION. CIRCUIT AND PARTS A NOTICE.
  • Page 82 + B 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 SCHEMATIC DIAGRAMS (6/8) leakage current check or (2) a line to chassis resistance check. If the leakage CE VALUES IN OHM.
  • Page 83 AVR-1802/882 SCHEMATIC DIAGRAMS (7/8) + 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 SCHEMATIC DIAGRAMS (7/8) leakage current check or (2) a line to chassis resistance check.
  • Page 84 AVR-1802/882 SCHEMATIC DIAGRAMS (7/8) + 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 SCHEMATIC DIAGRAMS (7/8) leakage current check or (2) a line to chassis resistance check.
  • Page 85 SCHEMATIC DIAGRAMS (7/8)
  • Page 86 AVR-1802/882...
  • Page 87 NOTICE ALL RESISTANCE VALU ALL CAPACITANCE VAL EACH VOLTAGE AND C CONDITION. CIRCUIT AND PARTS A NOTICE.
  • Page 88 + 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 SCHEMATIC DIAGRAMS (7/8) leakage current check or (2) a line to chassis resistance check.
  • Page 89 AVR-1802/882 SCHEMATIC DIAGRAMS (8/8) + B LINE WARNING: SIGNAL LINE 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 90 AVR-1802/882 SCHEMATIC DIAGRAMS (8/8) + B LINE WARNING: SIGNAL LINE 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 91 SCHEMATIC DIAGRAMS (8/8)
  • Page 92 AVR-1802/882...
  • Page 93 NOTICE ALL RESISTANCE VALU ALL CAPACITANCE VAL EACH VOLTAGE AND C CONDITION. CIRCUIT AND PARTS A NOTICE.

  • Page 94: Tuner Unit

    + B LINE WARNING: SIGNAL LINE 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 CE VALUES IN OHM.

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Avr-1802

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