Teac-AG5D-rec-sm 维修电路原理图.pdf
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1、A AG G- -5 5D DSERVICE MANUALAV Digital Home Theater ReceiverEffective : April, 2004S-0106ANOTESPC boards shown are viewed from parts side.The parts with no reference number or no parts number in theexploded views are not supplied.As regards the resistors and capacitors, refer to the circuit diagram
2、scontained in this manual.Parts marked with this sign are safety critical components. Theymust be replaced with identical components - refer to the appropriateparts list and ensure exact replacement.Parts of mark can be used only with the version designated.E:EUROPE UK:U.K.CONTENTS1 SPECIFICATIONS 2
3、2 ADJUSTMENTS AND CHECKS 33 MICROCOMPUTER PIN FUNCTIONS 54 EXPLODED VIEWS AND PARTS LIST 85 PC BOARDS AND PARTS LIST 116 INCLUDED ACCESSORIES 24RadioFans.CN 收音机爱 好者资料库1 SPECIFICATIONS2Amplifier SectionOutput Power .100 W + 100 W(Stereo, 0.2 % THD, 20 Hz to 20 kHz, 6 )Surround Output Power.125 W per
4、channel(0.7 % THD, 1 kHz, 6 , only one channel driven)Total Harmonic Distortion .0.09 % (at 95 W, 1 kHz, 6 )Audio Input Sensitivity/Impedance .*LINE: 200 mV/47 kOutput Level/Impedance (TAPE REC) .200 mV / 2.2 kFrequency Response .*LINE: 20 Hz 50 kHz, +0 / 3 dBSignal-to-Noise Ratio .*LINE: 90 dB (IHF
5、-A)Tone Control.BASS: 10 dB at 100 HzTREBLE: 10 dB at 10 kHzDigital Audio SectionSampling Frequency .32 kHz, 44.1 kHz, 48 kHz, 96 kHzDigital Input Level .COAXIAL (75 ): 0.5 Vp-pOPTICAL (660nm): 15 dBm to 21 dBmVideo SectionS-Video OutputY (luminance) - Output level .1 Vp-p (75 )C (color) - Output le
6、vel.286 mVp-p (75 )Jacks .S-VIDEO jackVideo OutputOutput level.1 Vp-p (75 )Jacks.RCA jackFM Tuner Section(Without notes 100.1 MHz, 65 dBf)Tuning Range .87.5 MHz 108.0 MHz, 50 kHz stepsTotal Harmonic Distortion (1 kHz) .Mono: 0.5%, Stereo: 0.8%Frequency Response.30 Hz 15 kHz, 3 dBStereo Separation (1
7、 kHz).40 dBSignal-to-Noise Ratio.Mono: 70 dB, Stereo: 65 dBAM Tuner SectionTuning Range .522 kHz 1,611 kHz, 9 kHz steps Usable Sensitivity.500 V/mTotal Harmonic Distortion.1.5% at 100 dB/mSignal-to-Noise Ratio.40 dB at 100 dB/mGeneralPower Requirements .AC 230 V, 50 HzPower Consumption.200 W (STANDB
8、Y : 3 W)AC Outlet (except U.K. model, total 100 W max.).switched x 1Dimensions (W x H x D) .435 x 143 x 372 mmWeight (net).10.0 kgStandard AccessoriesPower Cord x 1AM Loop Antenna x 1FM T-type Antenna x 1FM Matching Transformer x 1Remote Control Unit (UR-422) x 1Battery (AAA, R03, UM-4) x 2Owners Ma
9、nual x 1* LINE means CD, TAPE, VIDEO. Design and specifications are subject to change without notice. Weight and dimensions are approximate.RadioFans.CN 收音机爱 好者资料库32-1 Equipment RequriedAM Standard Signal Generator (AM SSG)Audio GeneratorFM Standard Signal Generator (FM SSG)Stereo ModulatorOscillosc
10、opeDistortion MeterAC VoltmeterDC VoltmeterNote : Disconnect external FM antenna prior to adjustment.2-2 Adjustment LocationsSVR02SVR01SVR03FD1IF COILOSC COILANT COILR17 (Pattern Side)JW10EC1TUNER PCBFD22 ADJUSTMENTS AND CHECKS1. Tunning Voltage522kHz1611kHz522kHz1611kHzJW10DC VoltmeterOSC COIL522kH
11、z : 1.2 0.1V1611kHz : 7.28.5VITEMSIGNAL GENERATORSETTINGSET FREQUENCYSETTINGEQUIPMENTCONNECTIONADJUSTMENTPOINTSADJUST FOR2. IF Tracking603kHz603kHzTAPE PLAY terminalAC VoltmeterOscilloscopeIF COILMaximize audio output3. RF Tracking603kHz603kHzTAPE PLAY terminalAC VoltmeterOscilloscopeANT COILMaximiz
12、e audio outputRepeat LOW,HIGHfrequency4. Seek Level603kHz603kHzTAPE PLAY terminalAC VoltmeterOscilloscopeSVR03Tuned on point2-3 AM AdjustmentOutput of signal generator should not be greater than necessary to obtain an optimum output reading.Signal generator modulation : 30%Signal frequency : 400HzMo
13、dulation frequency : 603kHz, 999kHz, 1404kHz4ITEMSIGNAL GENERATORSETTINGSET FREQUENCYSETTINGEQUIPMENTCONNECTIONADJUSTMENTPOINTSADJUST FOR2. FM DET andDistortion98.1MHz98.1MHzR17DC VoltmeterTAPE PLAY terminalAC VoltmeterOscilloscopeFD1, FD20V and minimizedistortion3. StereoSeparation98.1MHz98.1MHzTAP
14、E PLAY terminalAC VoltmeterOscilloscopeSVR02Minimize stereodistortion and maximizeseparation4. Seek Stop Level98.1MHz98.1MHzTAPE PLAY terminalAC VoltmeterOscilloscopeSVR01Scan stop point to18dBuTUNED indicator lightson FL display.1. Tunning Voltage87.5MHz108MHz87.5MHz108MHzEC1DC VoltmeterCheck87.5MH
15、z : 1.351.65V108MHz : 6.58.5V2-4 FM AdjustmentOutput of signal generator should not be greater than necessary to obtain an optimum output reading.Signal generator modulation : MAIN : 90%, PILOT : 10%Signal frequency : 1kHz, Deviation : 40kHzModulation frequency : 90.1MHz, 98.1MHz, 106.1MHz3 MICROCOM
16、PUTER PIN FUNCTIONS5G11G12VDDP.DOWNVOL. UPRDS CLKVOL. DOWNRMCRDS DATANCPLL_CEPROTECTIONSTEREOIF COUNTCLK 9273/7312DATA 9273/7312KEY IN3KEY IN2KEY IN1FUNC_DNFUNC_UPDATA 62446/72131CLK 62446/72131LATCH 62446CLK 4112/4527/4926SDI 4112/4527/4926CDI 4112/4926VREFSPK_RLYTUNED234567891011121314151617181920
17、212223242526272829304039383736353431 32 3341 4243 44 45 4647 48 4950515253545556575859607069686763646566616271727374818283847576777888 87 868579808990100 9998 9796 95 9491929314926_CS4112_CS4926 INTERQ4112/4527 P/NSTEP OPTIONCE 9273/7312GNDRESETEXTALXTALGNDNCGND+5V BACK UPVFDP-30VTUNER MUTEFRONT_MUT
18、ER_MUTESW_MUTEC_MUTES11S10S9S8S7S6S5S4S3S2S1POWER_ON/STBY_LED/RELAYPOWER_LED2SPK LEDNCNCNCNCNCNCSUB W .SUMHC125A0ROM3ROM30ROM24926 RESETNCDSP_MUTEVIDEO_S3VIDEO_S2G10G9G8G7G6G5G4G3G2G1NCVDDNCNCNCS16S15S14S13S12CXP82860(Top View)3-1 Pin Assignment6Pin No.SymbolDescription12G1/G2GRID FL PORT3VDDPULL UP
19、(N.C)4P.DOWNInput for power down.5VOL. UPInput for main volume up.6RDS CLKClock signal output for BU1924.7VOL. DOWNInput for main volume down.8RMCInput for remocon data.9RDS DATAInput for RDS data of BU1924.10NC Not used!11PLL_CEClock signal output for 72131.12PROTECTIONInput for detecting PROTECTIO
20、N condition.13STEREOInput for detecting STEREO condition.14IF COUNTInput for detecting TUNER FREQUENCY.15CLK 9273/7312Clock signal output for M61516.16DATA 9273/7312Data signal output for M61516.17KEY IN3Data input for key scan.18KEY IN2Data input for key scan.19KEY IN1Data input for key scan.20FUNC
21、_DNInput for function encoder down21FUNC_UPInput for function encoder up22DATA 62446/72131Data signal output for 72131.23CLK 62446/72131Chip enable signal output to 72131.24LATCH 62446Data signal input for CS49326.25CLK 4112/4527/4926Clock signal output for AK4112/AK4529/CS49236.26SDI 4112/4527/4926
22、Data signal output for AK4112/AK4529/CS49326.27CDI 4112/4926Data signal input for AK4112.28VREFReference voltage. (Connected to +5V, Not VDD.)29SPK_RLYOutput to Speaker Relay is ON/OFF (At H, it is active.)30TUNEDInput for detecting TUNED condition. (At L, it is active.)31CS 4926Chip select signal o
23、utput to CS4932632SV-DETInput for detecting S-VIDEO input signal (At H, it is active.)33INTERQ 4926Interrupt signal output to CS4932634P/D4112,4529Input for AK4112/AK4529power down.35STEP_OPTInput for selecting the frequency ranges steps of FM and AM. ( 3.4V : RDS, 5V : without RDS Receiver)36CE 927
24、3/7312Chip enable signal output for TC9273/AL731237GNDGROUND38RESETInput for resetting the CPU. (At L, it is active.)39EXTALInput for 10MHz crystal oscillator.40XTALOutput for 10MHz crystal oscillator.41GNDGround.42NCNot used!43GNDGround.44+5V BACK UP+5V power supply.45VFDP-30V Supply3-2 Pin Functio
25、ns7Pin No.SymbolDescription46T_MUTEOutput for tuner mute. (At L, it is active.)47SR_MUTEOutput for surround channel mute. (At L, it is active.)48SW_MUTEOutput for sub woofer channel mute. (At L, it is active.)49C_MUTEOutput for center channel mute. (At L, it is active.)50F_MUTEOutput for front chann
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