NAD-T743-avr-sm(1) 维修电路原理图.pdf

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1、NADSERVICE MANUALT 743T 743A/V ReceiverA/V ReceiverDRAFT DATE: 12 MAR 2004RadioFans.CN 收音机爱 好者资料库2SAFETY INFORMATIONRadioFans.CN 收音机爱 好者资料库3SERVICE SAFETY PRECAUTIONS1. Replacing the fusesCAUTION:FOR CONTINUED PROTECTION AGAINST THE RISK OF FIRE REPLACE ONLY WITH SAME TYPE OFFUSE.Reference Designato

2、rPart NumberDescriptionF751*AH 33-0101001-00-48FUSE 7A 250V TIME-LAG5 X 20mmSIC UL/CSAF751*C 33-0141002-00-48FUSE 4A 250V TIME-LAG 5 X 20mmVDE/UL TSDF752*AH 33-0111006-00-48FUSE 1.6A 250V TIME LAG LBC 5x20mmTSD UL/CSA/VDE/SEMKOF752*C 33-0151006-00-48FUSE 800mA 250V TIME LAG LBC 5x20mmTSD UL/CSA/VDE/

3、SEMKOFH751-FH752 33-1000000-00-88FUSE CLIP 0.05mm FC-53-11NOTE: : USA, CANADIAN MODEL ONLY.: EUROPEAN MODEL ONLY.2. Safety check out(Only U.S.A. model)Before returning the product to the customer, make leakage current or resistance measurements to determinethat exposed parts are acceptably insulated

4、 from supply circuit.CONTENTSDESCRIPTIONPAGESPECIFICATIONS. 4 - 5REAR PANEL / FRONT PANEL VIEW . 6DISASSEMBLY INSTRUCTIONS . 7WIRING DIAGRAM. 8BLOCK DIAGRAM. 9SPECIAL FUNCTION . 10DETAILS & WAVEFORMS ON SYSTEM & TEST & DEBUGGING . 10ADJUSTMENT POINTS DIAGRAM / AMPLIFIER ADJUSTMENT .11PCB LAYOUT . 12

5、 - 23SCHEMATIC DIAGRAM . 24 - 40IC BLOCK DIAGRAM . 41 - 46EXPLODED VIEW. 47EXPLODED VIEW PARTS LIST. 48 - 49ELECTRICAL PARTS LIST . 50 - 62PACKING DIAGRAM . 63VERSION HISTORY . 64Parts marked with the symbol are critical with regard to the risk of fire and electric shock.Replace only with parts reco

6、mmended by the manufacturer.4SPECIFICATIONSPOWER AMPLIFIER SECTIONRated distortion(Rated power level into 8 ohms, THD 20 Hz-20 kHz FL/C/FR) 0.1 %(Rated power level into 8 ohms, THD 20 Hz-20 kHz SL/SR/BS) 0.1 %Input Sensitivity(ref. 8 ohms, 1 kHz)150 20 mVS/N Ratio(A-wtd, 1kHz, 1 W, 8 ohm, SL/SR/BL)

7、- 72 dBFrequency Response(20 Hz - 20 kHz)0 1.0 dBChannel Balance(1 dB to -40 dB, 1 kHz) 2 dB(-41 dB to -50 dB, 1 kHz) 3 dBAudio muting at 1 kHz 55 dBSubwoofer out, 500 mV in (THD at 2 V O/P, 100 Hz) 0.5 %Crosstalk(500 mV input, 10 W, 1 kHz) -57 dBControlsBass(at 500 mV in, 1 W out, 100 Hz) 10 dB 2 d

8、BTreble(at 500 mV in, 1 W out, 10 kHz) 10 dB 2 dBDOLBY DIGITAL SECTIONChannel Difference(FL ref. Track 30) 1.2 dBFrequency Resporse at Dolby config.2SL Track 46 200 - 20 kHz 0.8 dBSR Track 47 200 - 20 kHz 0.8 dBC Track 44 200 - 20 kHz 0.8 dBHarmonic Distortion(1 W, Audio LPF, Dolby Congfig 1)FL Trac

9、k 65 997 Hz 0.08 %FR Track 67 997 Hz 0.08 %SL Track 68 997 Hz 0.08 %SR Track 69 997 Hz 0.08 %C Track 66 997 Hz 0.08 %S/N Ratio(TRACK 30 for O/P 1 W, FAUSE)CCIR / ARM 65 dBAudio LPF 70 dBA-WTD 70 dBChannel Separation(1 W, A-WTD FILTER)Track 65 997 Hz 60 dBDOLBY PRO LOGIC II SECTIONFrequency ResporseI

10、/P mode : L, R: 1 V in, 1 W, Ch L/R40 Hz0 2.0 dB20 kHz0 2.0 dBI/P mode : L=R: 1 V in, 1 W, Ch /L/R40 Hz0 2.0 dB Ch C20 kHz0 2.0 dBI/P mode : L=-R: 1 V in, 1 W, Ch SL/SR40 Hz0 2.0 dB20 kHz0 2.0 dBS/N Ratio (200 mV in, 1 W, A-WTD w/ 1 k termination)I/P mode : L, R: 1 kHz, Ch L/R 65 dBI/P mode : L=R: 1

11、 kHz, Ch C 65 dBI/P mode : L=-R: 1 kHz, Ch SL/SR 65 dBTHD (2.2 V in, 1 W, w/ 80 kHz LPF, 1 kHz) 0.2 %Power output Surround Mode 5 x 50W (16.98 dBW)5DTS SECTIONOutput Level (Vol 0 dB): FL/FR/C/SL/SRTrack 61 kHz0.9 1.3 WChannel Difference (FL ref): FL/FR/C/SL/SRTrack 61 kHz 1.0 dBHarmonic Distortion (

12、Audio Filter) : FL/FR/C/SL/SRTrack 10-14 1 kHz 0.08 %Frequency Response (20 Hz to 20 kHz)Track 26-30+2/-1.5Subwoofer Output Level1 kHz ref at pre-out (FL)Play Track 10, charge to 1512.5 2 dBAM TUNER SECTIONInput level is expressed as the reading in open circuitof 75-ohm source impedance signal gener

13、atorUsable sensitivity(999/1000 kHz) 30 dBuVS/N Ratio(5 mV in) 38 dBTHD(5 mV in) 3 %IF Rejection(450 kHz) 36 dBImage Rejection(F+2xIF) 28 dBSelectivity 17 dBOutput170 20 mVLoop sensitivity(20 dB S/N)999/1000 kHz 66 dB603/600 kHz 66 dB1404/1400 kHz 66 dBFrequency Response(100 - 2.3 kHz, 5 mV) 6 dBFM

14、TUNER SECTION*C*AHInput level is expressed as the reading in open circuitof 75-ohm source impedance signal generatorUsable sensitivity(98 MHz) 15 dBV 15 dBuvS/N Ratio(60 dB, IHF wtd)Mono 63 dB 63 dBStereo 63 dB 63 dBFrequency Response(20 Hz - 15 kHz, 60 dB)0 1.5 dB0 1.5 dBChannel Separation(60 dB)10

15、0 Hz 30 dB 30 dB1 k 38 dB 38 dB10 kHz 30 dB 30 dBAlternate Channel Selectivity (40 dB, 400 kHz) 60 dB 45 dBCapture Ratio(40 dB) 3 dB 3 dBAM Suppression (60 dB, 100% Mod. FM, 30% Mod. AM) 48 dB 48 dBImage Rejection(119.4 MHz) 65 dBI.F. Rejection(10.7 MHz) 78 dB Pilot Suppression(98 MHz) 60 dB 60 dBTH

16、D (60 dB, L=R 75 kHz for AH, 40 kHz Dev for C)Mono 0.25 % 0.25 %Stereo 0.35 % 0.35 %Auto-Search SensitivityOn 24 dB 24 dBOff 15 dB 15 dBRDS decode Sensitivity 26 dB PHYSICAL SPECIFICATIONSDimensions (Width x Height x Depth)435 x 167 x 382 mmNet Weight18.50 Kg (40.70 lbs)Shipping Weight22.20 Kg (48.8

17、4 lbs)6FRONT PANELREAR PANEL / FRONT PANEL VIEWREAR PANEL1.FM & AM ANTENNA2.MONITOR OUT3.CD INPUT4.DIGITAL AUDIO INPUT &DIGITAL AUDIO OUTPUT5.SOFT CLIPPING ON/OFF6.IR INPUT & OUTPUT7.+12V TRIGGER INPUT & OUTPUT8.COMPONENT VIDEO IN &COMPONENT VIDEO OUT9.AC POWER CORD10.POWER SWITCH11.SWITCHED AC OUTL

18、ETS12.SPEAKERS A & B13.DVD, SAT, VCR, VIDEO 4 & VIDEO 514.MAIN IN / AUDIO PRE-OUTS /SUBWOOFER OUT15.TAPE INPUT & OUTPUT16.DISC INPUT17.5.1 CH. INPUTS1.STANDBY SWITCH2.STANDBY LED3.AM / FM4.DISPLAY5.MEMORY6.FM MUTE / MODE7.PRESET DOWN / UP8.SEARCH DOWN / UP9.VFL DISPLAY10.VOLUME (SETUP)11.SOURCE DOWN

19、 / UP12.SURROUND MODE13.LEVELS14.TONE DEFEAT15.TONE CONTROLS16.SPEAKERS A & B17.VIDEO 6 INPUT18.PHONES7DISASSEMBLY INSTRUCTIONS1.Remove machine screws M4.0 x 8.0 (1 to 6) from the side panels.Remove tapping screw 3.0 x 8.0 (7 to 10) from the back panel.Refer to Figure No. 1.2.Pull both sides of the

20、TOP COVER slightly outwards 11 and tilt approx. 35 and then removein the direction as indicated by the arrow 12. Refer to Figure No. 2.Figure No. 1Figure No. 28MAIN BOARDSPEAKER BOARDTRIGGER BOARDSECONDARY BOARDS-VIDEO BOARDAUDIO BOARDCOMPONENT VIDEO BOARDDIGITAL BOARDVIDEO BOARDPOWER SUPPLY BOARD #

21、1MULTI-CHANNELPRE-OUT BOARDAMP. BOARD #2AMP. BOARD #1TUNERJ705BT743 WIRE DIAGRAM DATE : 10/03/04 REV. AFROM TRANSFORMER82-0526135-01-XXCABLE ASSY 5 WAYS#26 UL2468 L=150MM82-0826135-00-XXCABLE ASSY 8 WAYS #26 UL2877L=480MM82-0826135-04-XXCABLE ASSY82-0426135-05-XXCABLE ASSY 4 WAYS#26 UL2468 L=400MM82

22、-0318235-03-XXCABLE ASSY 3 WAYS #183.96P UL1007 L=180MM82-0518238-01-XXCABLE ASSY 5WAYS #18 3.96P82-1224135-02-XXCABLE ASSY 12 WAYS #262.5P UL2877 L=120MM82-0326135-03-XXCABLE ASSY 3 WAYS #26 2.5PUL2854 L=150MM82-0426135-02-XXCABLE ASSY 4 WAYS #262.5P UL2877 L=500MM82-0226135-04-XXCABLE ASSY 2 WAYS

23、#262.5P UL1533 L=540MM82-0426135-00-XXCABLE ASSY 4 WAYS#26 UL2877 L=200MM36-2028121-71-XXFFC CABLE 20 PINS P1.25L=120MM36-1728201-71-XXFFC CABLE 17 PINS P1.25L=200MM82-0326135-06-XXCABLE ASSY 3 WAYS #262.5P UL2854 L=250MM36-2028201-71-XXFFC CABLE 20 PINSP1.25 L=200MMFFC CABLE 28 PINSP1.25 L=200MM82-

24、0318235-03-XXCABLE ASSY 3 WAYS #183.96P UL1007 L=180MM82-0626135-02-XXCABLE ASSY 6 WAYS #262.5P UL1533 L=350MM82-0826135-00-XXCABLE ASSY 8 WAYS #26 2.5P UL2877 L=480MM82-0626135-03-XXCABLE ASSY 6 WAYS #262.5P UL2877 L=480MM82-1226135-00-XXCABLE ASSY 12 WAYS #262.5P UL2877 L=240MM82-0318235-02-XXCABL

25、E ASSY 3 WAYS #183.96P UL1007 L=120mm82-0318235-05-XXCABLE ASSY 3 WAYS #183.96P UL1015 L=320mm36-2828141-71-XXFFC CABLE 28 PINP1.25 L=140mm36-2828141-71-XXFFC CABLE 28 PINP1.25 L=140mm36-3028061-71-XXFFC CABEL 30 PINSP1.25 L=60mm82-0326135-02-98CABLE ASSY 3 WAYS #262.5P UL2854 L=700mm82-1426135-00-9

26、8CABLE ASSY 14 WAYS #26 2.5P UL2877 L=420mm82-0116438-03-XX CABLEASSY 1 WAY #16 UL1672BLUE L=100mm82-0116436-12-XXCABLE ASSY 1 WAY#16 UL1672 BROWNL=100mm82-0118435-00-XXCABLE ASSY 1 WAY AWG18UL1007 BLACK L=100mm W/RING TERMINAL82-0118435-01-XXCABLE ASSY 1 WAY #18UL1007 BLACK L=360mmW/ RING TERMINAL8

27、2-0518235-03-XXCABLE ASSY 5 WAYS #183.96P UL1007 L=300mmCABLE ASSY 5 WAYS #183.96P UL1007 L=350mm82-0118435-00-XXCABLE ASSY 1 WAY #18UL1007 BLACK L=100mm W/RING TERMINALJ203AJ713BJ753BJ204BJ350BJ702AJ715AJ720AJ709AJ721AJ502BJ704AJ707A0J710AJ717AJ719AJ711AJ715BJ604BJ203BDSP BOARDJ1010BJ1009BVIDEO 6 I

28、NPUT BOARDLED BOARDJ783AJ782AJ784AJ781AJ786AJ7J7J414BJ602BJ603BJ707BJ612AJ611AJ717BJ601BJ601AJ602AJ603AJ751BJ754BJ753_N5J753_LJ759_LJ758_NJ504AJ612AJ502AJ503AJ501AJ505AJ506AJ781BJ501BJ506AJ503BJ611BJ801AJ204ABJ201J701WIRING DIAGRAM9BLOCK DIAGRAMVolume Encoder 10SPECIAL FUNCTIONFEATUREKEYS PRESS ON F

29、RONT PANELRESET FOR AH VERSIONVIDEO 6 + SOURCE UPRESET FOR C VERSIONVIDEO 6 + SOURCE DOWNNTSC / PAL SELECTIONVIDEO 6 + MEMORYVFD ALL DISPLAY VIDEO 6 + TONE DEFEATAM FREQ. STEPAM/FM + FM MUTEDETAILS & WAVEFORMS ON SYSTEM TEST & DEBUGGINGT89C51RD2 (U202) main clock is at 20MHz (X202)T89C51RD2 (U201) m

30、ain clock is at 20MHz (X201)UPPER - +5V supply to KEYBOARD when power upLOWER - RESET line (TCM810LENB713) whenpower upUPPER - OUTPUT ENABLE (pin 24) of EPROM(W27C02) when changing SURROUND MODESLOWER - CHIP ENABLE (pin 22) of EPROM(W27C02) when changing SURROUND MODESSCLK (pin 43 of CS49326)LRCLK (

31、pin 42 of CS49326)MCLK (pin 30 of CS49326)NOTE: The waveforms are based on software version V1.27.11R522R545R571P501P801P802R835R836P502P503AMPLIFIER ADJUSTMENTIdle Current1.Rotate R522 fully clockwise.2.Connect DC millivoltmeter to P501 (i.e. Across half of R523, 0.22 Ohm resistor).3.Turn on the un

32、it.4.Adjust R522 for 1mV reading on voltmeter.5.Leave power on for at least 5 min, and check for idle current again.6.Repeat for other channels.CHANNELJUMPERVRFLP501R522FRP502R545CP503R571SLP801R835SRP802R836ISC Sensitivity1.Connect 8 ohm loading to all channels.2.Rotate R881 fully clockwise.3.Load

33、all channels at full power using 1kHz sine wave.4.At this time, monitor the THD of the SL,SR output. Clipping should occur before full power achieved.5.The procedure is finish at this step.6.Load all channels at full power using 1kHz sine wave with 4 ohm load.7.The clipping power(at THD 0.1%) should

34、 less than 85W.ADJUSTMENT POINT DIAGRAMFRONT/CENTER AMPLIFIER BOARDSURROUND AMPLIFIER BOARD12PCB LAYOUTAUDIO BOARDPOWER SUPPLY (STANDBY) /POWER SWITCH13COMPOSITE VIDEO BOARD - COMPONENT SIDECOMPOSITE VIDEO BOARD - COPPER SIDE14COMPONENT VIDEO BOARD - COMPONENT SIDECOMPONENT VIDEO BOARD - COPPER SIDE

35、DIGITAL BOARD - COMPONENT SIDEDIGITAL BOARD - COPPER SIDE15DSP BOARD - COPPER SIDEDSP BOARD - COMPONENT SIDE16FRONT / CENTER AMPLIFIER BOARD17SURROUND AMPLIFIER BOARD18KEYBOARD- COMPONENT SIDE- COPPER SIDE19MAIN BOARD20MULTI-CHANNEL BOARD- COMPONENT SIDE- COPPER SIDE21PRE-OUT BOARD - COPPER SIDEPRE-

36、OUT BOARD- COMPONENT SIDE- COPPER SIDE22SPEAKER TERMINAL BOARDTRIGGER BOARDVIDEO 6 BOARDPOWER SUPPLY (SECONDARY)LED BOARD23S-VIDEO BOARD - COMPONENT SIDES-VIDEO BOARD - COPPER SIDE24SCHEMATIC DIAGRAMAUDIO SWITCHRESISTORS : UNLESS OTHERWISE SPECIFIED ARE CARBON FILM.NOTE:1. RESISTORS, UNLESS OTHERWIS

37、E SPECIFIED, ARE 1/6W, 5%.2. ALL CERAMIC CAPACITORS, UNLESS OTHERWISE SPECIFIED, ARE 50V, 10%.25COMPONENT VIDEORESISTORS : UNLESS OTHERWISE SPECIFIED ARE CARBON FILM.NOTE:1. RESISTORS, UNLESS OTHERWISE SPECIFIED, ARE 1/6W, 5%.2. ALL CERAMIC CAPACITORS, UNLESS OTHERWISE SPECIFIED, ARE 50V, 10%.26E C

38、B2SA2878E C B2SA933DTC123ESAE C BCOMPOSITE VIDEORESISTORS : UNLESS OTHERWISE SPECIFIED ARE CARBON FILM.NOTE:1. RESISTORS, UNLESS OTHERWISE SPECIFIED, ARE 1/6W, 5%.2. ALL CERAMIC CAPACITORS, UNLESS OTHERWISE SPECIFIED, ARE 50V, 10%.27POWER SUPPLY (SECONDARY)NOTE:1. RESISTORS, UNLESS OTHERWISE SPECIFI

39、ED, ARE 1/6W, 5%.2. COMPONENTS MARKED “” ARE SAFETY CRITIAL PARTS.28POWER SUPPLY (STAND BY)E C B2SC1815RESISTORS : F-FUSIBLE, UNLESS OTHERWISE SPECIFIED ARE CARBON FILM.NOTE:1. RESISTORS, UNLESS OTHERWISE SPECIFIED, ARE 1/6W, 5%.2. COMPONENTS MARKED “” ARE SAFETY CRITIAL PARTS.29DTC123ESAE C BTRIGGE

40、RRESISTORS : UNLESS OTHERWISE SPECIFIED ARE CARBON FILM.NOTE:1. RESISTORS, UNLESS OTHERWISE SPECIFIED, ARE 1/6W, 5%.2. ALL CERAMIC CAPACITORS, UNLESS OTHERWISE SPECIFIED, ARE 50V, 10%.30VIDEO 6RESISTORS : UNLESS OTHERWISE SPECIFIED ARE CARBON FILM.NOTE:1. RESISTORS, UNLESS OTHERWISE SPECIFIED, ARE 1

41、/6W, 5%.2. ALL CERAMIC CAPACITORS, UNLESS OTHERWISE SPECIFIED, ARE 50V, 10%.31E C B2SA933E C B2SC1740E C B2SC18152SC2878DTC144ESADTC123ESAE C BS-VIDEORESISTORS : UNLESS OTHERWISE SPECIFIED ARE CARBON FILM.NOTE:1. RESISTORS, UNLESS OTHERWISE SPECIFIED, ARE 1/6W, 5%.2. ALL CERAMIC CAPACITORS, UNLESS O

42、THERWISE SPECIFIED, ARE 50V, 10%.32E C B2SA10162SC2362B C E2SA16062SC4159B C E2SA20312SC5669E C B2SB772E C B2SD600DTC123ESAE C BFRONT / CENTER AMPLIFIERNOTE:1. RESISTORS, UNLESS OTHERWISE SPECIFIED, ARE 1/6W, 5%.2. ALL CERAMIC CAPACITORS, UNLESS OTHERWISE SPECIFIED, ARE 50V, 10%.3. COMPONENTS MARKED

43、 “” ARE SAFETY CRITIAL PARTS.RESISTORS : RN-CERAMIC CASE, MO-METAL OXIDE, UNLESSOTHERWISE SPECIFIED ARE CARBON FILM.33SURROUND AMPLIFIERE C B2SC2362B C E2SA16062SC4159B C E2SA20312SC5669E C B2SD600K2SD631KDTC123ESAE C BE C B2SA1016K2SC2362RESISTORS : RN-CERAMIC CASE, MO-METAL OXIDE, UNLESS OTHERWISE

44、 SPECIFIED ARE CARBON FILM.NOTE:1. RESISTORS, UNLESS OTHERWISE SPECIFIED, ARE 1/6W, 5%.2. ALL CERAMIC CAPACITORS, UNLESS OTHERWISE SPECIFIED, ARE 50V, 10%.3. COMPONENTS MARKED “” ARE SAFETY CRITIAL PARTS.34SPEAKER A & BRS-23235DIGITAL IN & OUT36E B C2SD600KMAIN BOARDNOTE:1. RESISTORS, UNLESS OTHERWI

45、SE SPECIFIED, ARE 1/6W, 5%.2. ALL CERAMIC CAPACITORS, UNLESS OTHERWISE SPECIFIED, ARE 50V, 10%.37E C BRN1241DTA114ESAE C BPRE-OUTNOTE:1. RESISTORS, UNLESS OTHERWISE SPECIFIED, ARE 1/6W, 5%.2. ALL CERAMIC CAPACITORS, UNLESS OTHERWISE SPECIFIED, ARE 50V, 10%.38E C B2SC1815DSPNOTE:1. RESISTORS, UNLESS

46、OTHERWISE SPECIFIED, ARE 1/6W, 5%.2. ALL CERAMIC CAPACITORS, UNLESS OTHERWISE SPECIFIED, ARE 50V, 10%.39E C B2SC1815E C B2SC1015KEYBOARDNOTE:1. RESISTORS, UNLESS OTHERWISE SPECIFIED, ARE 1/6W, 5%.2. ALL CERAMIC CAPACITORS, UNLESS OTHERWISE SPECIFIED, ARE 50V, 5%.40E C B2SC2878E B CSS8050SS8550DTA114

47、ESADTC114ESAE C BMULTI-CHRESISTORS : UNLESS OTHERWISE SPECIFIED ARE CARBON FILM.NOTE:1. RESISTORS, UNLESS OTHERWISE SPECIFIED, ARE 1/6W, 5%.2. ALL CERAMIC CAPACITORS, UNLESS OTHERWISE SPECIFIED, ARE 50V, 10%.4112345678910DIRA1A2A3A4A5A6A7A8GND20191817161514131211VCCGB1B2B3B4B5B6B7B8(1)(2)(3)(4)(5)(6

48、)(7)(8)(9)(11)(19)(18)(17)(16)(15)(14)(13)(12)OECKD01DC1END1D2D3D4D5D6D7Q0Q1Q2Q3Q4Q5Q6Q774LVQ574DSP BOARD: U1008, U1009W27C020DSP BOARD: U1007Q0Q7CEOEA0CONTROLOUTPUTBUFFERCOREARRAYDECODERPGMVCCGNDVPPA17312224IC BLOCK DIAGRAM74LVC245DSP BOARD: U1002, U1003, U101474VHC245KEYBOARD: U209NJM4560DSP BOARD

49、: U1011U1013, U1023 & U1025MULTI-CHANNEL: U604U607PRE-OUT BOARD: U609U6121A- +2348765B+ -CS4228AKSDSP BOARD: U102142TCM810KEYBOARD: U214AT24C16KEYBOARD: U210SDAVSSSCLWCVCC/ E2M24Cxx12348765/ E2/ E2/ E2NC/ E1/ E1/ E1/ NCNC/ E0/ E0/ NC/ NCNC/1Kb/2Kb/4Kb/8Kb16KbVCCRESET*(RESET)GNDTCM809xENBTCM810 xENB1

50、23*3-Pin SOT-23BNOTE: *3-Pin SOT-23B is equivalent to JEDEC TO-236 * () is for TCM81074HCU04DIGITAL BOARD: U1201 & U12021A1Y2A2Y3A3YGND12345671413121110986AVCC6Y5A5Y4A4Y74HC251DIGITAL BOARD: U1203PIN4 D0W PIN6Y PIN5PIN8 GNDPIN16 VCCPIN7 STROBES0PIN3 D1S1PIN2 D2S2PIN1 D3S3PIN15 D4S4PIN14 D5S5PIN13 D6