Teac-AG790A-rec-sm维修电路原理图.pdf

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1、Effective : Sep. 2005 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 safet

2、y critical components. They must be replaced with identical components - refer to the appropriate parts list and ensure exact replacement. CONTENTS 1 SPECIFICATIONS 2 3 EXPLODED VIEWS AND PARTS LIST 9 4 PC BOARDS AND PARTS LIST 13 5 REMOTE CONTROL LAYOUT 20 AG-790A Versions T/C,EUR,UK,230E,HKG 2 IC

3、SPECIFICATIONS 3 6 INCLUDED ACCESSORIES 21 AG-790A AM/FM STEREO Receiver RadioFans.CN 收音机爱 好者资料库 1 SPECIFICATIONS 2 AG-790A Amplifier Section Output Power . . . . . . . . . . . . . . . . . . . . . . . . . .100 + 100 watts RMS (0.9 % THD, 1 kHz, 8 ohms) Total Harmonic Distortion . . . . . . . . . . .

4、 . . . . . . . . . . . . . . . . . . 0.05 % (at 80 watts,1 kHz) Input Sensitivity/Impedance . . . . . . . . . . . . . . . . . . PHONO: 6.5 mV/22 kohms, LINE: 230 mV/22 kohms Frequency Response . . . . . . . . . . . . . . . PHONO: 20 Hz to 20 kHz, 3 dB, LINE: 20 Hz to 35 kHz, 3 dB Signal-to-Noise Rat

5、io . . . . . . . . . . . . . . . . . . . . . . . PHONO: 75 dB (IHF-A), LINE: 90 dB (IHF-A) Tone Control . . . . . . . . . . . . . . . . . . . . . . . BASS: 10 dB at 100 Hz, TREBLE: 10 dB at 10 kHz Loudness Control (Volume at 40 dB Position) . . . . . . . . . . . . . . . . . . . . . . . . +4 dB at 10

6、0 Hz FM Tuner Section (Without notes 98.1 MHz, 65 dBf) Tuning Range . . . . . . . . . . . . . . . . . . . . . . . . . . . 87.5 MHz to 108.0 MHz (100 kHz steps)T/C 87.5 MHz to 108.0 MHz (50 kHz steps)EUR,UK,230E,HKG Usable Sensitivity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

7、. . . . Mono: 10 dBV/m 50 dB Quieting Sensitivity . . . . . . . . . . . . . . . . . . . . . . . Mono: 15 dBV/m, Stereo: 33 dBV/m Capture Ratio. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.8 dB Image Rejection Ratio . . . . . . . . . . . . . . . . . . . .

8、 . . . . . . . . . . . . . . . . . . . . . 35 dB AM Suppresion Ratio . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50 dB Harmonic Distortion (1 kHz) . . . . . . . . . . . . . . . . . . . . . . . . . . . Mono: 0.5 %, Stereo: 0.5 % Frequency Response . . . . . . .

9、 . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 Hz to 15 kHz, 3 dB Stereo Separation (1 kHz) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 dB Signal-to-Noise Ratio . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Mono: 70 dB, Stereo: 65 dB RDS

10、Function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .YRS EUR,UK NOT/C,230E,HKG AM Tuner Section Tuning Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . 530 kHz to 1,720 kHz (10 kHz steps)T/C 522 kHz to 1,620 kHz, 9 kHz steps EUR,UK,230E,HKG Usable

11、Sensitivity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55 dB/m Total Harmonic Distortion. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 % at 100 dB/m Signal-to-Noise Ratio. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

12、. 40 dB at 100 dB/m General Power Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 120 V AC, 60 Hz T/C 230 V AC, 50 Hz EUR,UK,230E,HKG Power Consumption . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 180 W AC Outlets . . . . . . .

13、. . . . . . . . . . . . . . . . . . . . . Unswitched x 2, Total 100 W max (1 A max) Dimensions (W x H x D). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 435 x 144 x 330 mm Weight (net). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7.4 k

14、g Standard Accessories AM Loop Antenna x 1 FM Antenna x 1 Owners manual x 1 Remote Control Unit x 1 Battery (AA, R6, UM-3) x 2 Design and specifications are subject to change without notice. Illustrations may differ slightly from production models. RadioFans.CN 收音机爱 好者资料库 2 IC SPECIFICATIONS 3 AG-79

15、0A 4 AG-790A T TD DA A7 73 31 18 8D D ( (I IC C2 23 3) ) B BL LO OC CK K D DI IA AG GR RA AM M 5 AG-790A N NJ JM M4 45 55 56 6A A ( (I IC C2 25 5) ) 6 AG-790A N NJ JM M2 20 06 68 8 ( (I IC C2 21 1, ,I IC C2 22 2) ) 7 AG-790A C CD D4 40 06 66 6B B ( (I IC C2 24 4) ) AG-790A TRANSISTOR, REGULATOR IC B

16、LOCK DIAGRAM 10k 47k COMMON(+) OUT IN 10k 47k COMMON OUT IN 9 AG-790A S1 S2 S4 S7 S4 S4 S8 S5 S8 S9 S10 S9 S9 S5 S6 25 28 35 36 37 38 34 29 43 33 49 45 46 47 48 AG-790 EXPLODED VIEW T/C x2 S3 x13 x3 x6 x4 x5 x3 x3 x2 x2 x2 x2 x2 x6 x3 x2 x2 x2 x2 x8 x7 S5 x5 S4 x4 x2 S3 S3 x4 16 15 14 13 10 8 7 6 5

17、4 2 1 9 20 21 39 S4 x2 30 31 32 S1 3 26 S9 S1 x2 27 17 44 40 S4 S3 x2 x2 23 22 S1 26 S9 S11 18 9 8 x2 x2 19 11 12 41 42 24-1 24-2 1 CGU1A375Z WINDOW 2 CBN1A122 KNOB, VOLUME 3 CMC1A140 RING, SHAFT 4 CGX1A369Z SHEET, LED 5 CGX1A370Z SHEET, LED 6 CGB1A165H12 BADGE, TEAC 7 CGW1A405R4ZH10 PANEL, FRONT 8

18、KHS1A032 TAPE, HEMELON 9 CMD1A563 BRACKET 10 HJJ2E020Z PHONE JACK 11 CUP11805-7 PCB 12 CWE7202100RV WIRE ASSY 13 CMK1A010 BRACKET 14 CBT1A991 KNOB, SPEAKER 15 CBC1A152 KNOB, POWER 16 CBT1A992 KNOB, TUNING 17 CMD1A334 BRACKET 1 18 KSH1A001ZV MOMS SWITCH 19 CUP11805-8 PCB 20 CBT1A994 KNOB, BASS 21 CBT

19、1A993Z KNOB, FUNCTION 22 HFLSVA09MS10 FIP 23 CMD1A374 BRACKET, FIP 24-1 CUP11805-1 PCB, FRONT 24-2 CUP11805-2 PCB, FRONT 25 CMY1A256 SINK, HEAT 26 CMD1A417 BRACKET, PCB 27 CUP11805-11 PCB 28 CUP11805-3 PCB 29 CLT5U012ZU TRANS 30 CUP11805-4 PCB 31 CUP11805-6 PCB 32 CUP11085-5 PCB, POWER 33 CMD1A188 B

20、RACKET 34 CHG1A113 RUBBER 35 CUA2A168 CHASSIS, BOTTOM 36 CKL2A042H11 FOOT, FRONT 37 KHG1A050Y CUSHION, FOOT 38 CKL1A012 FOOT, RUBBER 39 TUNNER PACK HNVTFCE1U116A 40 CMD1A571 BRACKET, SUPPORT 41 CUP11086-1 PCB, MAIN 42 CUP11086-2 PCB 43 CHE1A023 MOUNT, PCB 44 CMD1A392 BRACKET, PCB 45 CKF5A172Z PANEL,

21、 REAR 46 KMD2A001 TERMINAL, GROUND 47 KHR1A028 BUSHINHG, AC CORD 48 CJA523FBYA CORD, POWER 49 CKC1B098S1 CABINET, TOP S1 CTB3+8J SCREW S2 CTB3+10J SCREW S3 CTB3+10G SCREW S4 CTB3+6J SCREW S5 CTB3+8JFZ SCREW S6 CTB3+10GFZ SCREW S7 CTB4+8F SCREW S8 CTB4+6FFZ SCREW S9 CTW3+8J SCREW S10 CTW3+16G SCREW S

22、11 CTWS3+8G SCREW 10 EXPLODED VIEW LIST(AG-790A) T/C AG-790A 1 CGU1A375Z WINDOW 2 CBN1A122 KNOB, VOLUME 3 CMC1A140 RING, SHAFT 4 CGX1A369Z SHEET, LED 5 CGX1A370Z SHEET, LED 6 CGB1A165H12 BADGE, TEAC 7-1 CGW1A405R4YH10 PANEL, FRONT(EUR) EUR,UK 7-2 CGW1A405R4ZH10 PANEL, FRONT(230E-N) 230E-N,HKG 8 KHS1

23、A032 TAPE, HEMELON 9 CMD1A563 BRACKET 10 HJJ2E020Z PHONE JACK 11 CUP11805-7 PCB 12 CWE7202100RV WIRE ASSY 13 CMK1A010 BRACKET 14 CBT1A991 KNOB, SPEAKER 15 CBC1A152 KNOB, POWER 16 CBT1A992 KNOB, TUNING 17 CMD1A334 BRACKET 1 18 KSH1A001ZV MOMS SWITCH 19 CUP11805-8 PCB 20 CBT1A994 KNOB, BASS 21 CBT1A99

24、3Z KNOB, FUNCTION 22 HFLSVA09MS10 FIP 23 CMD1A374 BRACKET, FIP 24-1 CUP11805-1 PCB, FRONT 24-2 CUP11805-2 PCB, FRONT 25 CMY1A256 SINK, HEAT 26 CMD1A417 BRACKET, PCB 27 CUP11805-11 PCB 28 CUP11805-3 PCB 29 CLT5U012YE TRANS 30 CUP11805-4 PCB 31 CUP11805-10 PCB 32 CUP11805-9 PCB, POWER 33 CHG1A113 RUBB

25、ER 34 CUA2A168 CHASSIS, BOTTOM 35 CKL2A042H11 FOOT, FRONT 36 KHG1A050Y CUSHION, FOOT 37 CKL1A012 FOOT, RUBBER 38-1 CNVMB114MA18L TUNNER PACK(EUR) EUR,UK 38-2 CNVKSTMB014MA18 TUNNER PACK(230E-N) 230E-N,HKG 39 CMD1A571 BRACKET, SUPPORT 40 CUP11806-1 PCB, MAIN 41 CUP11806-2 PCB 42 CHE1A023 MOUNT, PCB 4

26、3 CMD1A392 BRACKET, PCB 44 CKF4A172Z PANEL, REAR 45 KMD2A001 TERMINAL, GROUND 46 KHR1A028 BUSHINHG, AC CORD 47-1 CJA2B043ZA CORD, POWER EUR,230E-N 47-2 CJA2B045ZA CORD, POWER UK,HKG 48 CKC1B098S1 CABINET, TOP S1 CTB3+8J SCREW S2 CTB3+10J SCREW S3 CTB3+10G SCREW S4 CTB3+6J SCREW S5 CTB3+8JFZ SCREW S6

27、 CTB3+10GFZ SCREW S7 CTB4+8F SCREW S8 CTB4+6FFZ SCREW S9 CTW3+8J SCREW S10 CTW3+16G SCREW S11 CTWS3+8G SCREW 12 EXPLODED VIEW LIST(AG-790A) EUR,UK,230E-N,HKG AG-790A 13 4 PC BOARDS AND PARTS LIST AG-790A - 14 - AG-790A MAIN PCB ASSY (1/3)MAIN PCB ASSY (2/3) 15 CUP11806 PCB , MAIN BD10-11 KLZ9H001Z B

28、EAD , CORE BN19 CWZAG580BN09 WIRE ASSY BN93 CWZAG580BN93 WIRE ASSY C101,214-215, CCKT1H103ZF CAP , CERAMIC 217,226,254, 278-279,416, 423,451-452 C106,116 HCQI1H102JZT CAP , MYLAR C145-146 HCBS1H101KBT CAP , CERAMIC C201-202 CCKT1H102KB CAP , CERAMIC C203,210-211, CCEA1CH470T CAP , ELECT. 216,223,227

29、, 285-286 C205,219 CCCT1H180JC CAP , CERAMIC C206-207,220- CCKT1H181KB CAP , CERAMIC 221 C208,212 HCQI1H562JZT CAP , MYLAR C209,213 HCQI1H223JZT CAP , MYLAR C222 CCEA1EH331T CAP , ELECT. C224,228 CCCT1H680JC CAP , CERAMIC C229-230,234- CCKT1H101KB CAP , CERAMIC 236,242,247- 248,262,267 C231 CCEA1CH1

30、00T CAP , ELECT. C232 CCKT1H473ZF CAP , CERAMIC C233,237,240- CCEA1HH2R2T CAP , ELECT. 241,249-250, 255-258,263- 264,268-269, 271,274,282- 283 C238-239,445- HCQI1H272JZT CAP , MYLAR 446,449-450 C243-244,251- HCQI1H104JZT CAP , MYLAR 252,259-260 C253,276,280 CCEA1HH100T CAP , ELECT. C265,270 CCEA1HN2

31、R2T CAP , ELECT. C275,277 CCKT1H221KB CAP , MYLAR C287-288 HCBS1H103ZFT CAP , CERAMIC C403-404 CCET80VKL5682NK CAP , ELECT.(35X40) C406-407 CCME2A154JXT CAP , METALLIZED FILM C408,414,438, CCEA1VH100T CAP , ELECT. 440 C409,439,460, CCFT1H104ZF CAP , SEMICONDUCTOR 463 C410,426 HCBS1H104ZFT CAP , CERA

32、MIC C411 HCEA1CH101T CAP , ELECT. C412-421,461- CCEA1CH101T CAP , ELECT. 462 C413 CCEA1EH101T CAP , ELECT. C417 CCEA1EH222E CAP , ELECT. C420 CCEA1EH102E CAP , ELECT. C441,443,457- HCQI1H473JZT CAP , MYLAR 458 AG-790A CN10 KJP03GA90ZM WAFER CN11 CJP15GA115ZY WAFER , CARD CABLE TC,HKG,230E-N CN11 CJP

33、17GA115ZY WAFER , CARD CABLE EUR,UK CN11 CWC1C4A15B090B CABLE , CARD TC CN11 CWC1C4A15B130B CABLE , CARD HKG,230E-N CN11 CWC1C4A17B120B CABLE , CARD EUR,UK CN13 KJP04GA63ZY WAFER CN15 KJP09GA63ZY WAFER CN91 CJP07GA19ZY WAFER CN92 CJP21GA115ZY WAFER, CARD CABLE D102,106,405, HVD1SS133MT DIODE 419-421

34、 D401 HVDKBU804F DIODE , BRIDGE D403,416 HVDMTZJ13BT DIODE , ZENER D404 HVDMTZJ6.2BT DIODE , ZENER D461 HVDMTZJ5.1BT DIODE , ZENER GND1,3 HJT1A025 PALTE , EARTH IC21-22 HVINJM2068MDTE1 I.C , OP AMP IC23 HVITDA7318D I.C (VOLUME+FUNCTION) IC24 HVICD4066BM96 I.C , SWITCH IC25 HVINJM4556AL I.C , HEADPHO

35、NE JK21 CJJ4R019W JACK , RCA JK22 CJJ4P014W JACK , RCA JK35 CJJ5Q006Z TERMINAL , SPEAKER L401 HLQ02C100KT COIL , AXAIL L403-404 CLEY0R5KAK COIL , SPEAKER PCB2 CNVKSTMB014MA TUNER MOUDLE PCB2 CNVMB014MA18L TUNER MOUDLE PCB2 HNVTFCE1U116A TUNER MOUDLE Q105-106,204- HVTKTC2874BT T.R 205 Q106 HVTKTC2874

36、BT T.R Q108 HVTKSA1175YT T.R Q201,203,405, HVTKRC107MT T.R 407,419-421, 423 Q202,206,403, HVTKRA107MT T.R 406,413,425, 427-428 Q401 HVTKTC2026Y T.R Q402 HVTKSC2316YT T.R Q408-409 HVTKSC945CYT T.R Q411 HVTKTA1046Y T.R Q414 HVTKTC4370AY T.R Q415,424 HVTKTA1268GRT T.R Q416,418 HVTKTC3200GRT T.R Q417 HV

37、TKTA1659AY T.R R101-102,435- CRD20TJ100T RES , CARBON 436,440 R106,116,208, CRD20TJ102T RES , CARBON 217-218,225, 235-236,238- 239,248-249, 270-271 R149-150,201- CRD20TJ222T RES , CARBON MAIN PCB ASSY (3/3) 16 R202,275,404 CRD20TJ222T RES , CARBON R151,274 CRD20TJ474T RES , CARBON R152,279 CRD20TJ33

38、2T RES , CARBON R203,209,220- CRD20TJ471T RES , CARBON 221 R204,210 CRD20TJ391T RES , CARBON R211-219 CRD20TJ223T RES , CARBON R212,214 CRD20TJ123T RES , CARBON R213,215 CRD20TJ184T RES , CARBON R222 CRD20TJ271T RES , CARBON R223-224,231- CRD20TJ473T RES , CARBON 232,258-259, 261,263,268- 269,272-27

39、3 R226-227,240- CRD20TJ104T RES , CARBON 241,250-251 R228-229,255, CRD20TJ101T RES , CARBON 257,403 R230,233,252, 442-443,450- CRD20TJ103T RES , CARBON 451 R234,237 CRD20TJ561T RES , CARBON R242,246,254, CRD20TJ562T RES , CARBON 256,429,441 R243 CRD20TJ121T RES , CARBON R253,278 CRD20TJ392T RES , CA

40、RBON R260,264,287- CRD20TJ273T RES , CARBON 288 R266 CRD20TJ121T RES , CARBON R267 CRD20TJ121T RES , CARBON R285-286,433- CRD25TJ100T RES , CARBON 434,453-454 R401-402 CRD25TJ153T RES , CARBON R405-416 CRD25TJ222T RES , CARBON R407 CRG1ANJ680H RES , METAL OXIDE FILM R408,414 CRD20TJ153T RES , CARBON

41、 R418-419 CRD25TJ102T RES , CARBON R421 CRD25TJ103T RES , CARBON R424,426,430- CRD20TJ333T RES , CARBON 431 R425,432 CRD20TJ560T RES, CARBON R427 CRD20TJ563T RES, CARBON R428 CRD20TJ682T RES, CARBON R437-438 CRG1ANJ100H RES, METAL OXIDE FILM R439 CRD25TJ561T RES, CARBON R461-462 CRD25TJ331T RES , CA

42、RBON RY41-43 HSL3A016ZE REALY PCI-212DM S101 KST1A010Z SW , TACT T401 CLT5U012YE MAIN TRANS EUR,UK,HKG,230E-N T401 CLT5U012ZU MAIN TRANS TC AG-790A 17 AG-790A SUB PCB (TOP VIEW) - 18 - AG-790A SUB PCB (VIEW FROM TOP SIDE) SUB PCB ASSY (1/3)SUB PCB ASSY (2/3) 19 CUP11805 PCB, SUB C314,326 CCKT1H221KB CAP, CERAMIC C315,318 HCQI1H102JZT CAP, MYLAR C316,321 CCKT1H471KB CAP, CERAMIC C317,324 CCCT1H220JC CAP, CERAMIC C319,325 HCQI1H473JZT