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Denon AVR-3806 Service Manual
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Denon AVR-3806 Service Manual

Av surround receiver
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Download this manual See also: Code List
QQ
3 7 63 1515 0
TE
L 13942296513
For purposes of improvement, specifications and
design are subject to change without notice.
Please use this service manual with referring to the
operating instructions without fail.
Some illustrations using in this service manual are
slightly different from the actual set.
www
.
http://www.xiaoyu163.com
SERVICE MANUAL
MODEL
AV SURROUND RECEIVER
x
ao
y
i
Denon Brand Company, D&M Holdings Inc.
http://www.xiaoyu163.com
8
AVR-3806
Q Q
3
6 7
1 3
u163
.
TOKYO ,JAPAN
2 9
9 4
2 8
For U.S.A. & Canada model
Ver. 1
1 5
0 5
8
2 9
9 4
m
co
X0253 V.01 DE/CDM 0508
9 9
2 8
9 9

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Summary of Contents for Denon AVR-3806

  • Page 1 Please use this service manual with referring to the operating instructions without fail. Some illustrations using in this service manual are slightly different from the actual set. u163 TOKYO ,JAPAN Denon Brand Company, D&M Holdings Inc. X0253 V.01 DE/CDM 0508 http://www.xiaoyu163.com...
  • Page 2 AVR-3806 / AVC-3920 3 7 63 1515 0 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-3806 / AVC-3920 3 7 63 1515 0 DIMENSION 338.8 318.1 244.5 L 13942296513 66.1 88.2 u163 http://www.xiaoyu163.com...
  • Page 4 AVR-3806 / AVC-3920 3 7 63 1515 0 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 5 AVR-3806 / AVC-3920 CAUTION IN SERVICING 3 7 63 1515 0 Initializing AV SURROUND RECEIVER AV SURROUND RECEIVER initialization should be performed when the µcom, peripheral parts of µcom, and Digital P.W.B. are replaced. 1. Switch off the unit.
  • Page 6 AVR-3806 / AVC-3920 3 7 63 1515 0 ADJUSTMENT Audio Section Idling Current (1U-3701-1) (1U-3701-1) Required measurement equipment: DC Voltmeter : 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 7 AVR-3806 / AVC-3920 3 7 63 1515 0 SR ch VR302 SR ch SL ch TP301 FR ch FL ch SL ch VR301 FR ch VR102 DC Voltmeter FL ch VR101 C ch C ch TP101 SBR ch SBL ch...

  • Page 8: Video Section

    AVR-3806 / AVC-3920 VIDEO Section 3 7 63 1515 0 1. SETTING (1) Connect the oscilloscope to the Y-signal and C-signal of S MONITOR OUT terminal and each terminate at 75 Ohms. (2) Connect the oscilloscope to the Y-signal, P...
  • Page 9 AVR-3806 / AVC-3920 3 7 63 1515 0 2.4. Procedure (1) Adjust the signal of S MONITOR OUT by the wave of os- cilloscope. (a) Target, Y-signal Point 1U-3705 VR601 Adjustment Value 14mV Waveform Y-signal of S MONITOR OUT...
  • Page 10 AVR-3806 / AVC-3920 3 7 63 1515 0 (c) Target, P -signal Point 1U-3705 VR605 Adjustment Value *525 10mV Waveform -signal COMPONENT OUT * : 486 10mV for U.S.A. & Canada model 1U-3705 DIGITAL UNIT VR605 P L 13942296513...
  • Page 11 AVR-3806 / AVC-3920 BLOCK DIAGRAM (1/2) AUDIO BLOCK DIAGRAM 3 7 6 3 1 5 1 5 0 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 http://www.xiaoyu163.com...
  • Page 12 AVR-3806 / AVC-3920 BLOCK DIAGRAM (2/2) VIDEO BLOCK DIAGRAM 3 7 6 3 1 5 1 5 0 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 http://www.xiaoyu163.com...
  • Page 13 AVR-3806 / AVC-3920 CLOCK FLOW & WAVE FORM IN DIGITAL BLOCK 3 7 6 3 1 5 1 5 0 Wave form CH1: D-DATA CH1: DATA CH2: fs CH3: 64fs 1 3 9 4 2 2 9 6 5 1 3...
  • Page 14 AVR-3806 / AVC-3920 LEVEL DIAGRAMS (1/6) 3 7 6 3 1 5 1 5 0 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 http://www.xiaoyu163.com...
  • Page 15 AVR-3806 / AVC-3920 LEVEL DIAGRAMS (2/6) 3 7 6 3 1 5 1 5 0 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 http://www.xiaoyu163.com...
  • Page 16 AVR-3806 / AVC-3920 LEVEL DIAGRAMS (3/6) 3 7 6 3 1 5 1 5 0 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 http://www.xiaoyu163.com...
  • Page 17 AVR-3806 / AVC-3920 LEVEL DIAGRAMS (4/6) 3 7 6 3 1 5 1 5 0 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 http://www.xiaoyu163.com...
  • Page 18 AVR-3806 / AVC-3920 LEVEL DIAGRAMS (5/6) 3 7 6 3 1 5 1 5 0 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 http://www.xiaoyu163.com...
  • Page 19 AVR-3806 / AVC-3920 LEVEL DIAGRAMS (6/6) 3 7 6 3 1 5 1 5 0 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 http://www.xiaoyu163.com...
  • Page 20 AVR-3806 / AVC-3920 3 7 63 1515 0 SEMICONDUCTORS Only major semiconductors are shown, general semiconductors etc. are omitted to list. Note : Abbreviation ahead of IC No. indicates the name of P.W.B., etc. MA : MAIN CPU UNIT...
  • Page 21 AVR-3806 / AVC-3920 3 7 63 1515 0 Pin Name Symbol Type stop FUNCTION (Int.) (Ext.) L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 22 AVR-3806 / AVC-3920 3 7 63 1515 0 Pin Name Symbol Type stop FUNCTION (Int.) (Ext.) L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 23 AVR-3806 / AVC-3920 M30620FCPGP (DI : IC251) 3 7 63 1515 0 L 13942296513 M30620FCPGP Terminal Function Pin Name Symbol Type FUNCTION (Int.) (Ext.) u163 http://www.xiaoyu163.com...
  • Page 24 AVR-3806 / AVC-3920 3 7 63 1515 0 Pin Name Symbol Type FUNCTION (Int.) (Ext.) L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 25 AVR-3806 / AVC-3920 3 7 63 1515 0 TC4094BF(TP1) (MA : IC501,502,504,508) L 13942296513 TC4094BF(TP1) Terminal Function Port Symbol Function u163 http://www.xiaoyu163.com...
  • Page 26 AVR-3806 / AVC-3920 3 7 63 1515 0 BU4094BCFV-E2 (AV : IC708,709,710) BU4094BCFV-E2 Terminal Function Port Symbol Function L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 27 AVR-3806 / AVC-3920 3 7 63 1515 0 ADSP-21366SKBCZ (DI : IC201) PIN A1 INDICATOR 10 9 8 7 6 5 4 3 2 1 BOTTOM VIEW TOP VIEW L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 28 AVR-3806 / AVC-3920 BR24L02F-WE2 (DI : IC403,404) 3 7 63 1515 0 L 13942296513 TC74HC151AF (MA : IC905,906) u163 http://www.xiaoyu163.com...
  • Page 29 AVR-3806 / AVC-3920 3 7 63 1515 0 SiI9030CUT-7 (DI : IC451) L 13942296513 Functional Block Diagram u163 http://www.xiaoyu163.com...
  • Page 30 AVR-3806 / AVC-3920 3 7 63 1515 0 SiI9031CUT-7 (DI : IC401) L 13942296513 Functional Block Diagram u163 http://www.xiaoyu163.com...
  • Page 31 AVR-3806 / AVC-3920 3 7 63 1515 0 PCM1804 (DI : IC301) L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 32 AVR-3806 / AVC-3920 3 7 63 1515 0 LC89057W-VF4A (DI : IC101,102,103) EMPHA/UO AUDIO/VO XMODE RXOUT Microcontroller C bit, U bit 37 DO 36 RERR 24 SDIN 23 SLRCK Input Demodulation 22 SBCK Data Selector 21 RDATA & Selector...
  • Page 33 AVR-3806 / AVC-3920 3 7 63 1515 0 Pin Name Function XOUT X’tal osc. connecting output terminal X’tal osc. connection, external clock input terminal (24.576MHz or 12.288MHz) DVDD — Digital power DGND — Digital GND EMPHA/UO Emphasis information/U-data output/Chip address setting terminal...
  • Page 34 AVR-3806 / AVC-3920 3 7 63 1515 0 PCM1791ADBR (DI : IC302,303,304,305) L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 35 AVR-3806 / AVC-3920 3 7 63 1515 0 M35015-***SP (AV : IC703) L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 36 AVR-3806 / AVC-3920 3 7 63 1515 0 CY7C1049CV33-10ZC (DI : IC209,210) TC74VHCT08AFT (DI : IC254) SN74LV08APW-EL2 (DI :IC252,844) L 13942296513 PT6302LQ-001(L) (FR : IC103,104) u163 http://www.xiaoyu163.com...
  • Page 37 AVR-3806 / AVC-3920 3 7 63 1515 0 TC94A46FG (AV : IC406) L 13942296513 TC94A32F (AV : IC201,202,203,204) u163 http://www.xiaoyu163.com...
  • Page 38 AVR-3806 / AVC-3920 3 7 63 1515 0 TC74VHC14F (MA : IC904,913) SN65LVDS1DBVR (AV : IC915) V CC TC4051BF (FR : IC405,406) TC4052BF (FR : IC404) TC4053BF (FR : IC403) TC4051BFT (AV : IC308,309,310,311) TC4052BFT (AV : IC307) TC4053BFT (AV : IC305,306,704)
  • Page 39 AVR-3806 / AVC-3920 LH28F160BJE-BTL90 (DI : IC208) 3 7 63 1515 0 SN65LVDS32PW (AV : IC914) L 13942296513 TC74VHCU04F (MA : IC902,903) MM74HC4053SJ (AV : IC701) CXA1511M (FR : IC701) u163 http://www.xiaoyu163.com...
  • Page 40 AVR-3806 / AVC-3920 3 7 63 1515 0 NJW1321FP1 (AV : IC101) L 13942296513 TC74VHC573FT(DI : IC206,207) u163 http://www.xiaoyu163.com...
  • Page 41 AVR-3806 / AVC-3920 3 7 63 1515 0 TC9459BFG (AV : IC205) L 13942296513 SN74LVC139APWR (DI : IC205) FUNCTION TABLE (each decoder/demultiplexer) INPUTS OUTPUTS OUTPUTS SELECT LT1399CS (DI : IC614) TOP VIEW EN R ÐIN R OUT R +I N R...
  • Page 42 AVR-3806 / AVC-3920 3 7 63 1515 0 ADV7320 (DI : IC610) L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 43 AVR-3806 / AVC-3920 3 7 63 1515 0 NJM2581M-TE1 (AV : IC102,103) L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 44 AVR-3806 / AVC-3920 3 7 63 1515 0 NJM2229M-TE1 (AV : IC702) LM1117MPX-1.8 (DI : IC402,452) LTC4300-2CMS8 (DI : IC617) TOP VIEW L 13942296513 ENABLE/V SCLOUT SDAOUT SCLIN SDAIN READY/ACC 2-Wire Bus Buffer and Hot Swap Controller SLEW RATE...
  • Page 45 AVR-3806 / AVC-3920 2. TRANSISTOR 3 7 63 1515 0 DHCT-A3 (MAIN : TR103,104,203,303,304,403,404) DHCT-C3 (MAIN : TR101,102,201,301,302,401,402) L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 46 AVR-3806 / AVC-3920 3 7 63 1515 0 3. OTHERS GP1UM271XK(Remote Control Sensor) IC101 FRONT P.W.B. 4. OPTICAL TORX142 IC305-308 DIGITAL P.W.B. TORX142 IC312 DIGITAL P.W.B. TORX142 IC501,502 FRONT P.W.B. L 13942296513 GP1FM313RZ IC804 FRONT P.W.B. 5. LED SML1216W(LED) LD121,301 FRONT P.W.B.
  • Page 47 AVR-3806 / AVC-3920 5. FL DISPLAY 3 7 63 1515 0 FLD(32-BT-10GN) (FL101) FRONT P.W.B. 16GA 15GA 13GA 11GA 14GA 12GA 10GA 16GB 15GB 14GB 13GB 12GB 11GB 10GB [ 1GA ] [ 15GB ~ 1GB, 16GA ~ 2GA ]...
  • Page 48 AVR-3806 / AVC-3920 3 7 63 1515 0 ANODE CONNECTION 16GA 15GA 14GA 13GA 12GA 11GA 10GA P10A P11A P12A P13A P14A P15A P16A P17A P18A P19A P20A P21A P22A P23A P24A P25A P26A P27A P28A P29A P30A P31A...
  • Page 49 AVR-3806 / AVC-3920 PRINTED WIRING BOARDS 3 7 6 3 1 5 1 5 0 MAIN CPU UNIT (1/2) 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 COMPONENT SIDE...
  • Page 50 AVR-3806 / AVC-3920 3 7 6 3 1 5 1 5 0 MAIN CPU UNIT (2/2) 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 FOIL SIDE http://www.xiaoyu163.com...
  • Page 51 AVR-3806 / AVC-3920 3 7 6 3 1 5 1 5 0 POWER AMP UNIT (1/2) 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 COMPONENT SIDE http://www.xiaoyu163.com...
  • Page 52 AVR-3806 / AVC-3920 3 7 6 3 1 5 1 5 0 POWER AMP UNIT (2/2) 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 FOIL SIDE http://www.xiaoyu163.com...
  • Page 53 AVR-3806 / AVC-3920 3 7 6 3 1 5 1 5 0 POWER SUPPLY UNIT (1/2) 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 COMPONENT SIDE http://www.xiaoyu163.com...
  • Page 54 AVR-3806 / AVC-3920 3 7 6 3 1 5 1 5 0 POWER SUPPLY UNIT (2/2) 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 FOIL SIDE http://www.xiaoyu163.com...
  • Page 55 AVR-3806 / AVC-3920 3 7 6 3 1 5 1 5 0 FRONT UNIT (1/2) 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 COMPONENT SIDE http://www.xiaoyu163.com...
  • Page 56 AVR-3806 / AVC-3920 3 7 6 3 1 5 1 5 0 FRONT UNIT (2/2) 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 FOIL SIDE http://www.xiaoyu163.com...
  • Page 57 AVR-3806 / AVC-3920 3 7 6 3 1 5 1 5 0 AUDIO / VIDEO UNIT (1/2) 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 COMPONENT SIDE http://www.xiaoyu163.com...
  • Page 58 AVR-3806 / AVC-3920 3 7 6 3 1 5 1 5 0 AUDIO / VIDEO UNIT (2/2) 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 FOIL SIDE http://www.xiaoyu163.com...
  • Page 59 AVR-3806 / AVC-3920 3 7 6 3 1 5 1 5 0 DIGITAL UNIT (1/2) 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 COMPONENT SIDE http://www.xiaoyu163.com...
  • Page 60 AVR-3806 / AVC-3920 3 7 6 3 1 5 1 5 0 DIGITAL UNIT (2/2) 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 FOIL SIDE http://www.xiaoyu163.com...
  • Page 61 AVR-3806 / AVC-3920 NOTE FOR PARTS LIST 3 7 63 1515 0 • Part indicated with the mark "nsp" 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 62 AVR-3806 / AVC-3920 PARTS LIST OF P.W.B. UNIT 3 7 63 1515 0 The parts listed below are for maintenance only, might differ from the parts used in the unit in appearances or dimensions. Part indicated with the mark “nsp” 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 63 AVR-3806 / AVC-3920 3 7 63 1515 0 Ref. No. Part No. Part Name Remarks Q'ty CAPACITORS GROUP C501 00D 257 0516 954 CK73B1E104KT +1608 C502,503 00D 257 0501 901 CK73B1H103KT (1608) +1608 C504 00D 257 0509 929 CK73B1H102KT...
  • Page 64 AVR-3806 / AVC-3920 3 7 63 1515 0 Ref. No. Part No. Part Name Remarks Q'ty CW914 00D 205 1229 016 11P FJ CONN.PLUG CW967 00D 205 0942 019 6P CON.SOCKET(TUC-P CW973 00D 205 0942 022 7P CON.SOCKET(TUC-P CX031 00D 205 0321 038 3P CONNE.BASE(RED)
  • Page 65 AVR-3806 / AVC-3920 1U-3701 POWER AMP P.W.B. UNIT ASS'Y 3 7 63 1515 0 Ref. No. Part No. Part Name Remarks Q'ty SEMICONDUCTORS GROUP IC603 00D 263 1035 002 PQ30RV11 IC604 00D 268 0073 905 ICP-N15T TR105,106 00D 273 0458 904...
  • Page 66 AVR-3806 / AVC-3920 3 7 63 1515 0 Ref. No. Part No. Part Name Remarks Q'ty R606 00D 247 0049 990 RM73B--513DT R607 00D 247 0051 904 RM73B--154DT R608 00D 247 0048 920 RM73B--103DT R610 00D 244 2050 933...
  • Page 67 AVR-3806 / AVC-3920 3 7 63 1515 0 Ref. No. Part No. Part Name Remarks Q'ty FF602 00D 202 0040 909 FUSE CLIP(TAPE) FF603 00D EP- 5870 FUSE HOLDER FH602 00D 202 0040 909 FUSE CLIP(TAPE) FH603 00D EP- 5870...
  • Page 68 AVR-3806 / AVC-3920 1U-3702 P. SUPPLY P.W.B. UNIT ASS'Y 3 7 63 1515 0 Ref. No. Part No. Part Name Remarks Q'ty SEMICONDUCTORS GROUP IC601 00D 263 1048 002 BA033T IC602 00D 263 1092 003 BA05T IC603 00D 263 0554 005...
  • Page 69 AVR-3806 / AVC-3920 3 7 63 1515 0 Ref. No. Part No. Part Name Remarks Q'ty D203 00D 276 0432 903 1SS270A TE (TAPE) D205 00D 276 0432 903 1SS270A TE (TAPE) D301-306 00D 276 0432 903 1SS270A TE (TAPE)
  • Page 70 AVR-3806 / AVC-3920 3 7 63 1515 0 Ref. No. Part No. Part Name Remarks Q'ty C209 00D 254 4573 981 CE04W1H100MT(RE3) C211 00D 255 1273 944 CQ93M1H221KT(B) C213 00D 255 1273 986 CQ93M1H471JT(B) C215 00D 255 1264 966...
  • Page 71 AVR-3806 / AVC-3920 3 7 63 1515 0 Ref. No. Part No. Part Name Remarks Q'ty C706 00D 254 4533 947 CE04W0J331MT SMG/RE3 C707 00D 257 0516 954 CK73B1E104KT +1608 C708 00D 254 4533 947 CE04W0J331MT SMG/RE3 C709 00D 254 4303 931...
  • Page 72 AVR-3806 / AVC-3920 1U-3703 FRONT P.W.B. UNIT ASS'Y 3 7 63 1515 0 Ref. No. Part No. Part Name Remarks Q'ty SEMICONDUCTORS GROUP IC101 00D 499 0303 004 GP1UM271XK IC102 00D 268 0073 905 ICP-N15T IC103,104 00D 262 3572 007...
  • Page 73 AVR-3806 / AVC-3920 3 7 63 1515 0 Ref. No. Part No. Part Name Remarks Q'ty C125 00D 257 0516 954 CK73B1E104KT +1608 C126 00D 254 4573 949 CE04W1H010MT(RE3) C127,128 00D 254 4574 922 CE04W1H101MT(RE3) C129 00D 257 0501 901...
  • Page 74 AVR-3806 / AVC-3920 3 7 63 1515 0 Ref. No. Part No. Part Name Remarks Q'ty CW135 00D 205 1326 032 13P SOCKET(9120) CW138 00D 205 0942 006 13P CON.SOCKET(TUC-P CW143 00D 205 1326 045 14P SOCKET(9120) CX021 00D 205 0581 069...
  • Page 75 AVR-3806 / AVC-3920 1U-3704 AUDIO / VIDEO P.W.B. UNIT ASS'Y 3 7 63 1515 0 Ref. No. Part No. Part Name Remarks Q'ty SEMICONDUCTORS GROUP IC101 00D 262 3551 002 NJW1321FP1 IC102,103 00D 263 1225 906 NJM2581M-TE1 IC201-204 00D 262 3168 903...
  • Page 76 AVR-3806 / AVC-3920 3 7 63 1515 0 Ref. No. Part No. Part Name Remarks Q'ty CAPACITORS GROUP C107-109 00D 257 0516 954 CK73B1E104KT +1608 C110-113 00D 254 4573 981 CE04W1H100MT(RE3) C114 00D 257 0516 954 CK73B1E104KT +1608 C115...
  • Page 77 AVR-3806 / AVC-3920 3 7 63 1515 0 Ref. No. Part No. Part Name Remarks Q'ty C269,270 00D 257 0507 976 CC73CH1H331JT +1608 C273,274 00D 254 4573 981 CE04W1H100MT(RE3) C301,302 00D 254 4574 906 CE04W1H330MT(RE3) C303-310 00D 257 0501 901...
  • Page 78 AVR-3806 / AVC-3920 3 7 63 1515 0 Ref. No. Part No. Part Name Remarks Q'ty C730 00D 257 0509 945 CK73B1H122KT +1608 C731,732 00D 257 0501 901 CK73B1H103KT (1608) +1608 C733-735 00D 254 4577 945 CE04W1C101MT(RE3) C736,737 00D 254 4574 906...
  • Page 79 AVR-3806 / AVC-3920 3 7 63 1515 0 Ref. No. Part No. Part Name Remarks Q'ty CY071 00D 205 0343 074 7P CONN.BASE(KR-PH) CY252 00D 205 0736 089 25P FFC CON.BASE CY937 00D 205 1154 932 3P ZH-ZR CON.BASE-T...
  • Page 80 AVR-3806 / AVC-3920 1U-3705 DIGITAL P.W.B. UNIT ASS'Y 3 7 63 1515 0 Ref. No. Part No. Part Name Remarks Q'ty SEMICONDUCTORS GROUP IC101-103 00D 262 3449 004 LC89057W-VF4A IC151 00D 262 3068 003 EPM3128ATC144-10 +REF IC152 00D 262 3062 902 FCX0-03(24.576MHZ) +REF...
  • Page 81 AVR-3806 / AVC-3920 3 7 63 1515 0 Ref. No. Part No. Part Name Remarks Q'ty TR451 00D 269 0193 901 KRC104S-RTK(47K-47K) +C TR452 00D 275 0110 905 HN1K02FU-TE85L TR454 00D 273 0464 901 KTC3875SGR-RTK TR455 00D 269 0184 907...
  • Page 82 AVR-3806 / AVC-3920 3 7 63 1515 0 Ref. No. Part No. Part Name Remarks Q'ty C248 00D 257 0501 901 CK73B1H103KT (1608) +1608 C249,250 00D 257 0506 951 CC73CH1H101JT +1608 C251 00D 257 2015 903 CS77B1A100MT C252 00D 257 0501 901...
  • Page 83 AVR-3806 / AVC-3920 3 7 63 1515 0 Ref. No. Part No. Part Name Remarks Q'ty C442 00D 257 0503 967 CC73CH1H150JT +1608 C443-451 00D 257 0509 929 CK73B1H102KT +1608 C455 00D 257 2015 903 CS77B1A100MT C457 00D 257 0509 929...
  • Page 84 AVR-3806 / AVC-3920 3 7 63 1515 0 Ref. No. Part No. Part Name Remarks Q'ty CC162-168 00D 257 0506 951 CC73CH1H101JT +1608 CC169,170 00D 257 0509 929 CK73B1H102KT +1608 CC171 00D 257 0506 951 CC73CH1H101JT +1608 CC172 00D 257 2015 903...
  • Page 85 AVR-3806 / AVC-3920 3 7 63 1515 0 Ref. No. Part No. Part Name Remarks Q'ty CC815 00D 257 2015 903 CS77B1A100MT CC816 00D 257 0516 954 CK73B1E104KT +1608 CC818 00D 257 0509 929 CK73B1H102KT +1608 CC821 00D 257 0039 907...
  • Page 86 AVR-3806 / AVC-3920 EXPLODED VIEW (1/2) 3 7 6 3 1 5 1 5 0 MAIN UNIT) E2, E2A model WARNING: Parts marked with this symbol have critical characteristics. Use ONLY replacement parts recommended by the manufacturer. 4-12 4-11...
  • Page 87 AVR-3806 / AVC-3920 EXPLODED VIEW (2/2) FRONT PANEL UNIT) 3 7 6 3 1 5 1 5 0 WARNING: Parts marked with this symbol have critical characteristics. Use ONLY replacement parts recommended by the manufacturer. 1 3 9 4 2 2 9 6 5 1 3...
  • Page 88 AVR-3806 / AVC-3920 PARTS LIST OF EXPLODED VIEW 3 7 63 1515 0 The parts listed below are for maintenance only, might differ from the parts used in the unit in appearances or dimensions. Part indicated with the mark “nsp” 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 89 AVR-3806 / AVC-3920 3 7 63 1515 0 Ref. No. Part No. Part Name Remarks Q'ty 00D 412 5272 007 RADIATOR BRACKET (R) 00D 412 2814 028 CARD SPACER(L=10) 00D 415 0980 005 INSULATING SHEET(B) 00D 479 0003 038...
  • Page 90 AVR-3806 / AVC-3920 3 7 63 1515 0 Ref. No. Part No. Part Name Remarks Q'ty 00D 513 1581 011 SERIAL NO. SHEET SCREW 00D 473 7500 015 3X8 CBTS (P)-Z 00D 473 7002 018 3X8 CBTS (S)-Z 00D 473 7500 028...
  • Page 91 AVR-3806 / AVC-3920 PACKING VIEW 3 7 63 1515 0 EU model EC model 215 216 EC model L 13942296513 PARTS LIST OF PACKING & ACCESSORIES The parts listed below are for maintenance only, might differ from the parts used in the unit in appearances or dimensions.
  • Page 92 AVR-3806 / AVC-3920 NOTE FOR SCHEMATIC DIAGRAM 3 7 63 1515 0 WARNING: Parts marked with this symbol ! have critical characteristics. Use ONLY replacement parts recommended by the manufactur- CAUTION: Before returning the unit to the customer, make sure you make µ...
  • Page 93 AVR-1906 / AVR-786 / AVC-1620 AVR-3806 / AVC-3920 SCHEMATIC DIAGRAMS (1/31) 3 7 6 3 1 5 1 5 0 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 SCHEMATIC DIAGRAMS (1/31) 1U-3700-1 MAIN CPU UNIT (1/2) http://www.xiaoyu163.com...
  • Page 94 AVR-3806 / AVC-3920 SCHEMATIC DIAGRAMS (2/31) AVR-1906 / AVR-786 / AVC-1620 3 7 6 3 1 5 1 5 0 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 SCHEMATIC DIAGRAMS (2/31) 1U-3700-2 MAIN CPU UNIT (2/2) http://www.xiaoyu163.com...
  • Page 95 AVR-1906 / AVR-786 / AVC-1620 AVR-3806 / AVC-3920 SCHEMATIC DIAGRAMS (3/31) 3 7 6 3 1 5 1 5 0 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 SCHEMATIC DIAGRAMS (3/31) 1U-3700-2 DIGITAL IN UNIT http://www.xiaoyu163.com...
  • Page 96 AVR-1906 / AVR-786 / AVC-1620 AVR-3806 / AVC-3920 SCHEMATIC DIAGRAMS (4/31) 3 7 6 3 1 5 1 5 0 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 SCHEMATIC DIAGRAMS (4/31)
  • Page 97 AVR-1906 / AVR-786 / AVC-1620 AVR-3806 / AVC-3920 SCHEMATIC DIAGRAMS (5/31) 3 7 6 3 1 5 1 5 0 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 SCHEMATIC DIAGRAMS (5/31) 1U-3701-1 POWER AMP UNIT http://www.xiaoyu163.com...
  • Page 98 AVR-3806 / AVC-3920 AVR-1906 / AVR-786 / AVC-1620 SCHEMATIC DIAGRAMS (6/31) 3 7 6 3 1 5 1 5 0 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 SCHEMATIC DIAGRAMS (6/31)
  • Page 99 AVR-1906 / AVR-786 / AVC-1620 AVR-3806 / AVC-3920 SCHEMATIC DIAGRAMS (7/31) 3 7 6 3 1 5 1 5 0 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 SCHEMATIC DIAGRAMS (7/31) 1U-3702-1 P.
  • Page 100 AVR-1906 / AVR-786 / AVC-1620 AVR-3806 / AVC-3920 SCHEMATIC DIAGRAMS (8/31) 3 7 6 3 1 5 1 5 0 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 SCHEMATIC DIAGRAMS (8/31)
  • Page 101 AVR-1906 / AVR-786 / AVC-1620 AVR-3806 / AVC-3920 SCHEMATIC DIAGRAMS (9/31) 3 7 6 3 1 5 1 5 0 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 SCHEMATIC DIAGRAMS (9/31) 1U-3702-3 VOL AMP UNIT http://www.xiaoyu163.com...
  • Page 102 AVR-1906 / AVR-786 / AVC-1620 AVR-3806 / AVC-3920 SCHEMATIC DIAGRAMS (10/31) 3 7 6 3 1 5 1 5 0 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 SCHEMATIC DIAGRAMS (10/31)
  • Page 103 AVR-1906 / AVR-786 / AVC-1620 AVR-3806 / AVC-3920 SCHEMATIC DIAGRAMS (11/31) 3 7 6 3 1 5 1 5 0 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 SCHEMATIC DIAGRAMS (11/31) 1U-3703-13 232C UNIT 1U-3703-14 EXT.
  • Page 104 AVR-1906 / AVR-786 / AVC-1620 AVR-3806 / AVC-3920 SCHEMATIC DIAGRAMS (12/31) 3 7 6 3 1 5 1 5 0 1 3 9 4 2 2 9 6 5 1 3 w w w SCHEMATIC DIAGRAMS (12/31) 1U-3703-1 FLD UNIT u 1 6 3 1U-3703-2 FUNC.
  • Page 105 AVR-1906 / AVR-786 / AVC-1620 AVR-3806 / AVC-3920 SCHEMATIC DIAGRAMS (13/31) 3 7 6 3 1 5 1 5 0 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 SCHEMATIC DIAGRAMS (13/31) 1U-3704-5 COMP-VIDEO UNIT http://www.xiaoyu163.com...
  • Page 106 AVR-3806 / AVC-3920 AVR-1906 / AVR-786 / AVC-1620 SCHEMATIC DIAGRAMS (14/31) 3 7 6 3 1 5 1 5 0 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 SCHEMATIC DIAGRAMS (14/31) 1U-3704-6 S-VIDEO UNIT(1/2) http://www.xiaoyu163.com...
  • Page 107 AVR-3806 / AVC-3920 AVR-1906 / AVR-786 / AVC-1620 SCHEMATIC DIAGRAMS (15/31) 3 7 6 3 1 5 1 5 0 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 SCHEMATIC DIAGRAMS (15/31) 1U-3704-6 S-VIDEO UNIT(2/2) http://www.xiaoyu163.com...
  • Page 108 AVR-1906 / AVR-786 / AVC-1620 AVR-3806 / AVC-3920 SCHEMATIC DIAGRAMS (16/31) 3 7 6 3 1 5 1 5 0 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 SCHEMATIC DIAGRAMS (16/31) 1U-3704-1 AUDIO UNIT(1/4) http://www.xiaoyu163.com...
  • Page 109 AVR-1906 / AVR-786 / AVC-1620 AVR-3806 / AVC-3920 SCHEMATIC DIAGRAMS (17/31) 3 7 6 3 1 5 1 5 0 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 SCHEMATIC DIAGRAMS (17/31) 1U-3704-1 AUDIO UNIT(2/4) http://www.xiaoyu163.com...
  • Page 110 AVR-1906 / AVR-786 / AVC-1620 AVR-3806 / AVC-3920 SCHEMATIC DIAGRAMS (18/31) 3 7 6 3 1 5 1 5 0 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 SCHEMATIC DIAGRAMS (18/31) 1U-3704-1 AUDIO UNIT(3/4) http://www.xiaoyu163.com...
  • Page 111 AVR-3806 / AVC-3920 AVR-1906 / AVR-786 / AVC-1620 SCHEMATIC DIAGRAMS (19/31) 3 7 6 3 1 5 1 5 0 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 SCHEMATIC DIAGRAMS (19/31) 1U-3704-1 AUDIO UNIT(4/4) http://www.xiaoyu163.com...
  • Page 112 AVR-1906 / AVR-786 / AVC-1620 AVR-3806 / AVC-3920 SCHEMATIC DIAGRAMS (20/31) 3 7 6 3 1 5 1 5 0 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 SCHEMATIC DIAGRAMS (20/31) 1U-3704-2 D.LINK UNIT...
  • Page 113 AVR-1906 / AVR-786 / AVC-1620 AVR-3806 / AVC-3920 SCHEMATIC DIAGRAMS (21/31) 3 7 6 3 1 5 1 5 0 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 SCHEMATIC DIAGRAMS (21/31) 1U-3705 DIGITAL UNIT(1/11) http://www.xiaoyu163.com...
  • Page 114 AVR-1906 / AVR-786 / AVC-1620 AVR-3806 / AVC-3920 SCHEMATIC DIAGRAMS (22/31) 3 7 6 3 1 5 1 5 0 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 SCHEMATIC DIAGRAMS (22/31) 1U-3705 DIGITAL UNIT(2/11) http://www.xiaoyu163.com...
  • Page 115 AVR-3806 / AVC-3920 AVR-1906 / AVR-786 / AVC-1620 SCHEMATIC DIAGRAMS (23/31) 3 7 6 3 1 5 1 5 0 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 SCHEMATIC DIAGRAMS (23/31) 1U-3705 DIGITAL UNIT(3/11) http://www.xiaoyu163.com...
  • Page 116 AVR-1906 / AVR-786 / AVC-1620 AVR-3806 / AVC-3920 SCHEMATIC DIAGRAMS (24/31) 3 7 6 3 1 5 1 5 0 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 SCHEMATIC DIAGRAMS (24/31) 1U-3705 DIGITAL UNIT(4/11) http://www.xiaoyu163.com...
  • Page 117 AVR-1906 / AVR-786 / AVC-1620 AVR-3806 / AVC-3920 SCHEMATIC DIAGRAMS (25/31) 3 7 6 3 1 5 1 5 0 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 SCHEMATIC DIAGRAMS (25/31) 1U-3705 DIGITAL UNIT(5/11) http://www.xiaoyu163.com...
  • Page 118 AVR-3806 / AVC-3920 AVR-1906 / AVR-786 / AVC-1620 SCHEMATIC DIAGRAMS (26/31) 3 7 6 3 1 5 1 5 0 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 SCHEMATIC DIAGRAMS (26/31) 1U-3705 DIGITAL UNIT(6/11) http://www.xiaoyu163.com...
  • Page 119 AVR-1906 / AVR-786 / AVC-1620 AVR-3806 / AVC-3920 SCHEMATIC DIAGRAMS (27/31) 3 7 6 3 1 5 1 5 0 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 SCHEMATIC DIAGRAMS (27/31) 1U-3705 DIGITAL UNIT(7/11) http://www.xiaoyu163.com...
  • Page 120 AVR-1906 / AVR-786 / AVC-1620 AVR-3806 / AVC-3920 SCHEMATIC DIAGRAMS (28/31) 3 7 6 3 1 5 1 5 0 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 SCHEMATIC DIAGRAMS (28/31) 1U-3705 DIGITAL UNIT(8/11) http://www.xiaoyu163.com...
  • Page 121 AVR-1906 / AVR-786 / AVC-1620 AVR-3806 / AVC-3920 SCHEMATIC DIAGRAMS (29/31) 3 7 6 3 1 5 1 5 0 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 SCHEMATIC DIAGRAMS (29/31) 1U-3705 DIGITAL UNIT(9/11) http://www.xiaoyu163.com...
  • Page 122 AVR-1906 / AVR-786 / AVC-1620 AVR-3806 / AVC-3920 SCHEMATIC DIAGRAMS (30/31) 3 7 6 3 1 5 1 5 0 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 SCHEMATIC DIAGRAMS (30/31) 1U-3705 DIGITAL UNIT(10/11) http://www.xiaoyu163.com...
  • Page 123 AVR-1906 / AVR-786 / AVC-1620 AVR-3806 / AVC-3920 SCHEMATIC DIAGRAMS (31/31) 3 7 6 3 1 5 1 5 0 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 SCHEMATIC DIAGRAMS (31/31) 1U-3705 DIGITAL UNIT(11/11) http://www.xiaoyu163.com...