Teac AG-D8900, Service Manual

Page 1: ...品 29 NOTES PC boards shown are viewed from parts side The parts with no reference number or no parts number in the exploded views are not supplied As regards the resistors and capacitors refer to the circuit diagrams contained in this manual Parts marked with this sign are safety critical components They must be replaced with identical components refer to the appropriate parts list and ensure exac...

Page 2: ...thrown out with the household waste SAFETY CHECK AFTER SERVICING After servicing make measurements of leakage current or resistance in order to determine that exposed parts are acceptably insulated from the supply circuit The leakage current measurement should be done between accessible metal parts such as chassis ground terminal microphone jacks signal input output connectors etc and the earth gr...

Page 3: ...o 55 dB Total Harmonic Distortion 1 kHz Mono 0 4 Stereo 0 5 Frequency Response 30 Hz 15 kHz 1 1 5 dB Stereo Separation 1 kHz 40 dB Signal to Noise Ratio Mono 75 dB Stereo 70 dB AM Tuner Section Tuning Range 522 kHz 1 620 kHz 10 kHz steps 539 kHz 1 720 kHz 10 kHz steps us c Usable Sensitivity 55 dB m Total Harmonic Distortion 0 8 at 85 dB m Signal to Noise Ratio 45 dB at 85 dB m Video Section Input...

Page 4: ...度 モノ 15 3dBf ステレオ 38 5dBf キャプチャーレシオ 2 0dB イメージ妨害比 45dB AM抑圧比 55dB 高調波歪み率 1kHz モノ 0 4 ステレオ 0 5 周波数特性 30Hz 15kHz 1 1 5dB ステレオセパレーション 1kHz 40dB S N比 1kHz モノ 75dB ステレオ 70dB AMチューナー部 受信周波数 522kHz 1 620kHz 9kHzステップ 感度 55dB m 高調波歪み率 0 8 85dB m S N比 45dB 85dB m ビデオ部 入力感度 インピーダンス 1 0Vp p 75Ω 出力レベル インピーダンス 1 0Vp p 75Ω 共通 消費電力 160W 外形寸法 mm 435 W x 165 H x 350 D 質 量 9 4kg 付属品 リモコン UR 417 リモコン用乾電池 単4 x 2本 AMルー...

Page 5: ...400Hz ADJUSTMENT POINT MEASUREMENTS AND ADJUSTMENTS 100 40 kHz Dev E UK 100 75 kHz Dev US J AM LOOP ANT ANT TERMINAL CT10 PACK1 IC11 J208 VR11 VR13 IC12 T102 FM ANT VR12 J207 J205 L104 L105 T101 PACK DETAIL FOR UL J version L3 L7 L4 L5 L6 L3 L7 T1 L6 L4 L5 L3 L6 L4 FM OSC COIL T1 FM IFT FM OFFSET ADJ TP CT10 AM ANT TRIMMER 1503kHz 1510kHz L104 AM ANT COIL L105 AM OSC COIL T101 FM IFT COIL T102 AM ...

Page 6: ...ation of VTVM of the wave form of scope to be maximum BAND Step Frequency Adjust for Adjustment 1 610 kHz Maximum sensitivity T102 L104 US C 610 kHz Maximum sensitivity T102 L104 2 1510 kHz Maximum sensitivity CT10 US C 1510 kHz Maximum sensitivity CT10 3 Repeat steps 1 and 2 several times AM J208 3 FM RF ADJUSTMENT Signal Generator Connect to FM ANT JACK FM IN through the dummy NO Frequency Adjus...

Page 7: ...ral times 5 FM AM AUTO STOP LEVEL ADJUSTMENT FM Signal Generator Connect to FM ANT Jack FM IN through the dummy AM Signal Generator Connect to AM ANT Coil through the Loop antenna J205 J207 DC Voltmeter 0V Minimum T H D 7 DC Voltmeter 0V T101 T101 BAND Step Signal Generator Adjust for Adjustment 1 990KHz 82dB Display ON VR12 US C 990KHz 2 990KHz 81dB Display OFF VR12 US C 990KHz 1 100 1MHz 32dB Di...

Page 8: ... g g M P10 B m m m m m m m m 2d P11 CHURCH h h h h h h h h 2e P12 DISCO j j j j j j j j 2c P13 STADIUM k k k k k k k k 2g P14 HALL b b b b b b b b 2f P15 THEATER a2 a2 a2 a2 a2 a2 a2 a2 2b P16 PCM a1 a1 a1 a1 a1 a1 a1 a1 2a P17 AC 3 S1 S1 S1 S1 S1 S1 S1 S1 DELAY T P18 STEREO S2 S2 S2 S2 S2 S2 S2 S2 PRESETCH P19 3 S3 S3 S3 S3 S3 S3 S3 S3 MEMO P20 S4 S4 S4 S4 S4 S4 S4 S4 TAPE P21 DIGITAL RDS Dp TA M...

Page 9: ...G 3G 4G 5G 6G 7G 8G 9G 10G NP Pin No 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 P14 P13 P12 P11 P10 P9 P8 P7 P6 P5 P4 P3 P2 P1 NX Pin No 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 F2 F2 NP NX NX NX NX P22 P21 P20 P19 P18 P17 P16 P15 Connection Connection Connection Connection PIN CONNECTION 47 1 ...

Page 10: ... I Reset Input 34 REMOTE IN I Remote Control Sensor Data Input 35 BUS IN NC I System Remote Control Input No Connection 36 HEADPHONE IN O Headphone JACK INPUT H Connet to GND 37 E VOL DATA O 38 E VOL CLK I Electronic Vol IC M62446FP DATA CLK STB Port 39 E VOL CE O 40 PLL DATA IN I PLL IC LC72131 DATA Input Port 41 PLL CE O PLL IC LC72131 Chip Enable Control Port 42 DATA 3 O Function IC Data Input ...

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Page 12: ...use Detection of AC 3 data not use PCM output from Sub DSP Output terminal for PLL to be connected to ground through the external analog filter circuit Ground for PLL circuit 3 3V power supply for core logic PCM output from Main DSP C LFE PCM output from Main DSP LS RS PCM output from Main DSP L R External SRAM interface address 14 10 Output port for general purpose Output port for general purpose...

Page 13: ...gital output terminal A Analog terminal 100 99 98 97 96 95 94 93 92 91 90 89 88 87 86 85 84 83 82 81 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 80 79 78 77 76 75 74 73 72 71 70 68 67 66 65 64 63 62 61 60 69 58 57 56 55 54 53 52 51 59 1 VDD1 V SS IPORT0 IPORT1 IPORT2 IPORT3 IPORT4 IPORT5 IPORT6 IPORT7 VDD2 VSS RAMOEN RAMWEN RAMA0 RAMA1 SDIA1 SDIA0 SDBCK0 SDWCK0 VDD2 VDD1 OPORT0 OPO...

Page 14: ... SDIA1 SURENC KARAOKE MUTE CRC AC3DATA DTSDATA NONPCM LS RS C LFE SDIBSEL SDIB Interface SDOA Interface SDIA Interface SDIA Interface ERAMUSE 24 16 Sub DSP SDIASEL 24 16 Main DSP AC 3 Pro Logic DTS decoder Input Buffer Microprocessor Interface Control Registers IPORT 0 7 CS SO SI SCK OPORT 0 7 CSB SCK SI Control Signals Control Signals Data RAM Delay RAM PLL Operating clock 30MHz STREAM 0 7 Extern...

Page 15: ...38 39 40 41 42 33 32 31 30 29 28 27 26 25 24 23 22 volume volume volume tone tone volume volume M62446FP ELECTRONIC VOLUME INPUT IC31 AV4527VQ ADC DAC INPUT IC42 ADC LIN LIN RIN RIN HPF FOMAT CONVERTER SDOS SDTO SDTI1 SDTI2 SDTI3 Audio I F MCLK MCLK LRCK LRCK BICK BICK DAUX SDOUT SDIN1 SDIN2 SDIN3 AK4527 RX1 LRCK MCKO DIR AK4110 AC3 XTO XTI BICK SDTO RX2 RX3 RX4 LRCK BICK SDIN SDOUT1 SDOUT2 SDOUT3...

Page 16: ...N ASSIGNMENT 74HCU04AFN IC40 LOGIC SYMBOL TRUTH TABLE 1 2 3 4 5 6 7 1A 1Y 2A 2Y 3A 3Y GND 6A 6Y 5A 5Y 4A 4Y Vcc 14 13 12 11 10 9 8 A L H Y H L 1A 1 3 5 9 11 13 2A 3A 4A 5A 6A 1Y 2Y 3Y 4Y 5Y 6Y 2 4 6 8 10 12 ...

Page 17: ...ery DAIF Decoder AC 3 MPEG Detect Clock Generator Error Detect DEM X tal Oscillator 96kHz Detect Audio I F uP I F RX1 FS96 DAUX LRCK BICK SDTO DIF0 DIF1 DIF2 OCKSO TVDD 4 OCKS1 CM0 CM1 AVSS AVDD R MCKO1 XTI XTO P S H ERF Parallel Control Mode AUTO MCKO2 V DVSS PDN OCKS0 OCKS1 CMO CM1 DVDD System Control Clock Recovery DAIF Decoder AC 3 MPEG Detect Clock Generator Error Detect DEM X tal Oscillator ...

Page 18: ...4bits PHASE DETECTOR CHARGE PUMP UNLOCK DETECTOR UNIVERSAL COUNTER POWER ON RESET CCB I F 12bits PROGRAMMABLE DIVIDER DATA SHIFT REGISTER LATCH PD AIN AOUT IFIN XOUT FMIN AMIN CE DI CL DO VDD VSS BO1 BO2 BO3 BO4 I01 I02 LA1837 MPX IF TUNER IC12 AM SD ADJ 3 rd 5 th DECODER ANTI BIRDIE FM ...

Page 19: ...ST R S R COM R S R S R COM R S R S R COM R S R COM DATA CK LEVEL SHIFTER 2 1 2 1 3 4 2 5 6 3 7 4 1 2 1 3 4 2 5 6 3 7 4 1 3 4 5 6 7 8 9 10 14 28 11 12 13 27 26 25 24 23 22 21 20 19 18 17 16 15 LATCH CIRCUIT SHIFT REGISTER LEVEL SHIFTER LATCH CIRCUIT L S R S Vss GND VDD L S L COM L S L S L COM L S L S L COM L S L COM ST R S R COM R S R S R COM R S R S R COM R S R COM DATA CK KIC9164AF FUNCTION INPUT...

Page 20: ...out2 Vout3 SW4 BLOCK DIAGAM NJM2296M MAIN IC96 SW3 GND SW5 Vin2 Vin3 Vin4 Vin5 1 15 11 16 10 14 12 2 9 7 5 4 6 8 3 20K 20K 20K 20K 20K 75 dirver 75 dirver 1 2 3 4 8 LA6462M LA6458M PIN FUNCITON 1 A OUTPUT 2 A INPUT 3 A INPUT 4 V 5 B INPUT 6 B INPUT 7 B OUTPUT 8 V A B 7 6 5 LA6462M 6458M PIN CONFIGURATION ...

Page 21: ... 3 Base TO 126 TO 92 123 123 123 1 Base 2 Collector 3 Emitter KSA614Y 2SB1186AE KSD288Y 2SD1763AE TO 220 123 1 INPUT 2 GND 3 OUTPUT MC7812C MC7805C TO 220 123 1 INPUT 2 OUTPUT 3 GND MC7912C TO 220 123 1 Base 2 Collector 3 Emitter 2SC4468 2SA1695 KSA916Y KSC2316Y 1 Emitter 2 Collector 3 Base TO 3P TO 92L 123 1 2 3 1 driver VIDEO A B VIN1 GND VIN2 VCC VIN3 VIN4 control 6dB amp video switch 4 input 1...

Page 22: ...CB BRACKET Q ty 18 8 9 6 7 5 4 3 2 1 KGB1A056H12 K C BN1A122 K C BT1A715 KGX1A243X 2 2 1 1 KMK1A010 K C BT1A716 KBT2A450 1 1 1 1 4 1 1 1 x2 S13 23 x2 S4 x5 S7 x2 23 FRONT PANEL 1 31 K C GW1A279ZH10 35 1 38 37 36 33 34 32 27 29 30 28 25 26 24 21 22 N0 S13 x2 1 1 K C GU1A235A5Z KKC1B109S1 KMD1A350 KHG1A113 B C JA523FBY KHR1A028 KMY1A161 1 1 4 1 1 1 1 1 1 KKL2A042H11 KKL1A012 KHE170 K C KF1A183Z KHG1...

Page 23: ...800 RUBBER CUSHION 23 9A06755300 FOOT RUBBER BLACK 24 9A08887500 PANEL REAR J 9A08956100 PANEL REAR US C 25 9A01375500 PCB HOLDER 26 9A06327100 SUPPORT CUSHION 27 9A08887900 MAIN PCB ASSY J 9A08887910 MAIN PCB ASSY US C 28 9A08952200 HEAT SINK 29 9A08952300 BRACKET PCB 30 9A08745400 BRACKET PCB H T 31 WIRE HOLDER PCB 32 9A08888000 INPUT PCB ASSY J 9A08888010 INPUT PCB ASSY US C 33 9A08887700 TRANS...

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Page 27: ...7M Q114 9A08878300 TR KRC107M Q401 9A07888000 TR KSC2316YT R102 9A08948700 R CARBON 4 7 OHM 1 2W J T101 9A08125500 IFT FM T102 9A08948900 IFT AM INPUT PCB ASSY REF NO PARTS NO DESCRIPTION VR11 9A08040600 R SEMI FIXED 10K OHM VR12 9A08040700 R SEMI FIXED 22K OHM VR13 9A08040600 R SEMI FIXED 10K OHM X101 9A08883700 CRYSTAL X401 9A08949000 CRYSTAL FRONT PCB ASSY REF NO PARTS NO DESCRIPTION 9A08887000...

Page 28: ...IC KA7912 ABTU IC93 9A08953200 HEAT SINK IC93 IC95 9A08218600 IC KA7805 ABTU IC96 9A08945500 IC NJM2296M JK91 9A08945600 TERMINAL SPEAKER 4P JK92 9A08945700 TERMINAL SPEAKER JK97 9A07427800 JACK VCR JK98 9A08945800 JACK BOARD L501 L505 9A08946000 COIL SPEAKER OL01 9A08946100 OUTLET 2P Q511 Q520 9A08951200 TR KTA1268GRT Q541 Q545 9A08951200 TR KTA1268GRT Q556 Q565 9A08951300 TR KTC3200GRT Q581 Q585...

Page 29: ...CESSORIES REF NO PARTS NO DESCRIPTION REMARKS 9A08523201 OWNER S MNL E F US C 9A08523300 OWNER S MNL J J 9A08763300 REMOTE CONTROL UNIT UR 417 9A08886200 BATTERY J 9A08886000 ANT FM T 9A08886100 AM LOOP ANTENNA ASSY ...

Page 30: ...ohms k kilo ohms M megohms 2 Capacitor values are in microfarads p picofarads 3 Parts marked with this sign are safety critical components They must always be replaced with identical components refer to the appropriate parts list and ensure exact replacement 注 意 1 抵抗の単位はΩ ｋ ｋΩ Ｍ ＭΩ です 2 コンデンサの単位はμＦ ｐ ｐＦ です 3 マークのある部品は安全規格重要部品です 交換するときは必ずティアック指定の部品を使用してください ...

Page 31: ...ohms k kilo ohms M megohms 2 Capacitor values are in microfarads p picofarads 3 Parts marked with this sign are safety critical components They must always be replaced with identical components refer to the appropriate parts list and ensure exact replacement 注 意 1 抵抗の単位はΩ ｋ ｋΩ Ｍ ＭΩ です 2 コンデンサの単位はμＦ ｐ ｐＦ です 3 マークのある部品は安全規格重要部品です 交換するときは必ずティアック指定の部品を使用してください ...

Page 32: ...MINE THAT EXPOSED PARTS ARE ACCEPTABLY INSULATED FROM THE SUPPLY CIRCUIT NOTES 1 Resistor values are in ohms k kilo ohms M megohms 2 Capacitor values are in microfarads p picofarads 3 Parts marked with this sign are safety critical components They must always be replaced with identical components refer to the appropriate parts list and ensure exact replacement 注 意 1 抵抗の単位はΩ ｋ ｋΩ Ｍ ＭΩ です 2 コンデンサの単位...