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MICROFILM
AEP Model
SPECIFICATIONS
SERVICE MANUAL
INTEGRATED STEREO AMPLIFIER
TA-FB720R/FB820R
Photo : TA-FB820R
Page 1: ... 1 MICROFILM AEP Model SPECIFICATIONS SERVICE MANUAL INTEGRATED STEREO AMPLIFIER TA FB720R FB820R Photo TA FB820R ...
Page 2: ...TMENT 4 3 DIAGRAMS 3 1 Circuit Boards Location 5 3 2 Schematic Diagram Input Section 7 3 3 Printed Wiring Board Input Section 9 3 4 Schematic Diagram Main Section 11 3 5 Printed Wiring Board Main Section 13 3 6 Schematic Diagram Panel Section 15 3 7 Printed Wiring Board Panel Section 17 3 8 Schematic Diagram Power Section 19 3 9 Printed Wiring Board Power Section 21 3 10 IC Block Diagrams 23 3 11 ...
Page 3: ...cator 8 TUNER indicator 9 PHONO indicator 10 INPUT SELECTOR knob 11 VOLUME knob 12 SUBSONIC button 13 SOURCE DIRECT button and indicator 14 LOUDNESS button 15 TAPE MONITOR knob 16 BALANCE knob 17 TREBLE knob 18 BASS knob 19 SPEAKERS knob 20 PHONE jack 21 EON LINK button This section is extracted from instruction manual 10 3 2 1 9 7 8 4 6 5 11 13 12 14 15 16 17 18 19 20 21 ...
Page 4: ...CN500 and CN600 3 Set the slide regulator to 0V and press the U button ON on the set 4 Raise gradually the slide regulator voltage up to the rated voltage 5 At this time confirm that the SP relay is turned on it will click 6 Adjust the RV500 and RV600 so that a reading of digital voltmeter is 10 0 1 mV 7 Return the slidack to 0 V and press the U button OFF on the set Adjustment Location MAIN BOARD...
Page 5: ...om the side which enables seeing U B Line V B Line H adjustment for repair Voltages and waveforms are dc with respect to ground under no signal detuned conditions no mark POWER ON Voltages are taken with a VOM Input impedance 10 MΩ Voltage variations may be noted due to normal produc tion tolerances Waveforms are taken with a oscilloscope Voltage variations may be noted due to normal produc tion t...
Page 6: ... 7 8 TA FB720R FB820R 3 2 SCHEMATIC DIAGRAM INPUT SECTION See page 23 for IC Block Diagrams Page 15 Page 15 Page 12 ...
Page 7: ...TED WIRING BOARD INPUT SECTION See page 5 for Circuit Boards Location Ref No Location Semiconductor Location D101 B 7 D102 B 8 D133 C 9 D140 B 4 D240 B 4 IC101 B 9 Q101 C 7 Q102 C 7 Q103 C 8 Q140 C 4 Q240 B 4 Page 18 Page 17 Page 13 ...
Page 8: ... 11 12 TA FB720R FB820R 3 4 SCHEMATIC DIAGRAM MAIN SECTION See page 23 for IC Block Diagrams Page 16 Page 16 Page 20 Page 15 Page 8 Page 20 ...
Page 9: ... D602 G 10 D603 E 11 D604 E 10 D605 E 10 D606 F 9 D700 A 1 D701 A 1 D702 A 1 D703 G 4 D720 E 7 D721 E 7 IC700 B 2 Q500 C 11 Q501 C 11 Q502 C 10 Q503 D 11 Q504 D 10 Q505 D 10 Q506 E 11 Q507 E 10 Q508 D 9 Q509 D 8 Q510 D 8 Q511 C 5 Q512 C 8 Q513 D 6 Q600 G 11 Q601 G 11 Q602 G 10 Q603 F 11 Q604 F 10 Q605 F 10 Q606 E 11 Q607 E 10 Q608 F 9 Q609 F 8 Q610 F 10 Q611 G 8 Q612 G 5 Q613 F 6 Q700 B 3 Q701 B 1...
Page 10: ... 15 16 TA FB720R FB820R 3 6 SCHEMATIC DIAGRAM PANEL SECTION See page 5 for Waveforms See page 23 for IC Block Diagram See page 24 for IC Pin Function Page 8 Page 12 Page 7 Page 11 Page 11 ...
Page 11: ...18 Page 14 D902 D 9 D903 D 9 D904 E 8 D905 D 7 D906 D 7 D907 C 7 D908 B 10 D910 C 1 D912 C 6 D913 C 1 D914 D 1 D915 D 1 D916 E 6 D917 D 4 D918 C 3 D919 D 4 D920 C 3 D921 D 5 D922 D 5 D923 D 3 D924 D 3 IC901 D 7 IC902 D 5 Q900 C 1 Q901 D 1 Q902 D 1 Q903 D 1 Q905 D 1 Q906 D 1 Q907 C 3 Q908 C 4 Q909 D 2 Q910 C 6 Q911 D 3 Q912 D 6 Q913 D 3 Q914 D 3 Q915 D 4 Page 14 ...
Page 12: ... 19 20 TA FB720R FB820R 3 8 SCHEMATIC DIAGRAM POWER SECTION Page 12 Page 11 ...
Page 13: ... 21 22 TA FB720R FB820R 3 9 PRINTED WIRING BOARD POWER SECTION See page 5 for Circuit Boards Location Page 14 Page 13 ...
Page 14: ...t TAPE 2 LED drive output TAPE 1 LED drive output MONITOR output Power relay output Power key input MONITOR input SIRCS input Muting output Chip enble output Serial data output Serial clock output STOP input 3V Power supply I O Function Pin No Pin Name 3 10 IC BLOCK DIAGRAMS Main section IC700 uPC1237HA 1 2 3 4 5 6 7 8 OVER LOAD DET F F OFFSET DET LATCH AUTORESET VCC ON MUTE AC OFF DET VCC Panel s...
Page 15: ...with part number specified 4 1 CASE AND BACK PANEL SECTION 10 3 703 244 00 BUSHING 2104 CORD 11 1 777 185 11 CORD POWER 12 1 669 476 11 OUTLET BOARD 13 3 710 901 11 SCREW TAPPING 14 4 947 010 01 SCREW FEEDER FIXED 15 3 704 515 41 SCREW BV RING CNJ3 1 526 794 11 OUTLET AC CNJ4 1 526 794 11 OUTLET AC 1 X 4949 780 1 KNOB SELECTOR ASSY 2 X 4949 781 1 KNOB VOLUME ASSY 4 4 999 439 01 CASE 413235 5 X 494...
Page 16: ...M NO 5 SONY 52 4 965 651 01 EMBLEM MOS 53 4 967 961 01 SCREW 3X8 54 4 999 415 01 PANEL FRONT FB820R 54 4 999 415 11 PANEL FRONT FB720R 55 4 999 413 01 INDICATOR PROTECTION 56 4 980 776 01 WINDOW REMOTE CONTROL 57 4 999 418 01 INDICATOR SELECTOR 58 4 999 416 01 BASE L PANEL 59 4 999 417 01 BASE R PANEL 60 4 999 419 01 KNOB D23 61 3 024 055 01 BUTTON POWER The components identified by mark or dotted...
Page 17: ...TOR 103 4 967 960 01 SCREW 4X8 104 A 4407 624 A INPUT BOARD COMPLETE FB720R 104 A 4407 636 A INPUT BOARD COMPLETE FB820R 105 A 4407 618 A MAIN BOARD COMPLETE FB720R 105 A 4407 637 A MAIN BOARD COMPLETE FB820R 106 A 4407 619 A SP TM BOARD COMPLETE FB720R 106 A 4407 638 A SP TM BOARD COMPLETE FB820R The components identified by mark or dotted line with mark are critical for safety Replace only with ...
Page 18: ...00uF 20 50V C141 1 126 023 11 ELECT 100uF 20 25V C142 1 126 013 11 ELECT 1000uF 20 16V C201 1 162 282 31 CERAMIC 100PF 10 50V C202 1 162 282 31 CERAMIC 100PF 10 50V C203 1 162 282 31 CERAMIC 100PF 10 50V C204 1 162 282 31 CERAMIC 100PF 10 50V C205 1 162 282 31 CERAMIC 100PF 10 50V C240 1 126 052 11 ELECT 100uF 20 50V C241 1 126 023 11 ELECT 100uF 20 25V C242 1 126 013 11 ELECT 1000uF 20 16V CONNEC...
Page 19: ...IN BOARD COMPLETE FB720R A 4407 637 A MAIN BOARD COMPLETE FB820R CAPACITOR C500 1 102 973 00 CERAMIC 100PF 5 50V C501 1 124 721 11 ELECT 10uF 20 50V C502 1 101 880 00 CERAMIC 47PF 5 50V C503 1 102 820 00 CERAMIC 330PF 5 50V C504 1 126 023 11 ELECT 100uF 20 16V C505 1 107 587 11 CERAMIC 7PF 0 5PF 500V C506 1 126 023 11 ELECT 100uF 20 16V C507 1 126 023 11 ELECT 100uF 20 16V C508 1 126 023 11 ELECT ...
Page 20: ...W R501 1 259 215 21 CARBON 100K 5 1 4W R502 1 259 151 21 CARBON 220 5 1 4W R503 1 259 151 21 CARBON 220 5 1 4W R504 1 259 151 21 CARBON 220 5 1 4W R505 1 259 179 21 CARBON 3 3K 5 1 4W R506 1 259 151 21 CARBON 220 5 1 4W R507 1 259 151 21 CARBON 220 5 1 4W R508 1 249 244 11 CARBON 27K 5 1 3W R509 1 259 175 11 CARBON 2 2K 5 1 4W R510 1 259 183 11 CARBON 4 7K 5 1 4W R511 1 249 899 11 CARBON 100 5 1 4...
Page 21: ...64 525 11 PLUG CONNECTOR 10P CN905 1 564 522 11 PLUG CONNECTOR 7P CN906 1 564 520 11 PLUG CONNECTOR 5P DIODE D902 8 719 313 50 DIODE SEL6810A TH12 PHONO D903 8 719 313 50 DIODE SEL6810A TH12 TUNER D904 8 719 313 50 DIODE SEL6810A TH12 CD D905 8 719 313 50 DIODE SEL6810A TH12 AUX D906 8 719 313 50 DIODE SEL6810A TH12 TAPE2 MD D907 8 719 313 50 DIODE SEL6810A TH12 TAPE1 DAT D908 8 719 313 50 DIODE S...
Page 22: ...N 68 5 1 4W F R929 1 247 903 00 CARBON 1M 5 1 4W R930 1 247 807 31 CARBON 100 5 1 4W R931 1 249 419 11 CARBON 1 5K 5 1 4W F R932 1 249 427 11 CARBON 6 8K 5 1 4W F R933 1 247 239 00 CARBON 910 5 1 2W FB720R R934 1 247 843 11 CARBON 3 3K 5 1 4W R935 1 247 843 11 CARBON 3 3K 5 1 4W R936 1 249 429 11 CARBON 10K 5 1 4W R937 1 249 429 11 CARBON 10K 5 1 4W R938 1 249 429 11 CARBON 10K 5 1 4W R939 1 247 7...
Page 23: ...4W R258 1 259 144 11 CARBON 110 5 1 4W R259 1 259 209 11 CARBON 56K 1 1 4W FB720R R259 1 259 346 81 CARBON 56K 1 1 2W FB820R R260 1 259 183 11 CARBON 4 7K 1 1 4W FB720R R260 1 259 320 11 CARBON 4 7K 1 1 2W FB820R R261 1 259 239 11 CARBON 1M 5 1 4W R262 1 259 167 21 CARBON 1K 5 1 4W 1 669 473 11 PS BOARD CAPACITOR C750 1 125 819 11 ELECT 6800uF 50V FB720R C750 1 125 820 11 ELECT 8200uF 50V FB820R C...
Page 24: ...78 11 ELECT 1uF 20 100V C709 1 126 972 11 ELECT 1000uF 20 50V C710 1 126 969 11 ELECT 220uF 20 50V C711 1 126 964 11 ELECT 10uF 20 50V C715 1 164 159 11 CERAMIC 0 1uF 50V CONNECTOR CN702 1 770 831 11 CONNECTOR BOARD TO BOARD 6P CN703 1 566 212 11 PIN CONNECTOR 3P EON CONTROL DIODE D511 8 719 911 19 DIODE 1SS119 25 D512 8 719 911 19 DIODE 1SS119 25 D513 8 719 911 19 DIODE 1SS119 25 D700 8 719 024 9...
Page 25: ... 777 185 11 CORD POWER CNJ3 1 526 794 11 OUTLET AC CNJ4 1 526 794 11 OUTLET AC Q511 8 729 232 45 TRANSISTOR 2SK1529 Y Q512 8 729 232 46 TRANSISTOR 2SJ200 Y Q611 8 729 232 45 TRANSISTOR 2SK1529 Y Q612 8 729 232 46 TRANSISTOR 2SJ200 Y Q702 8 729 209 15 TRANSISTOR 2SD2012 S1 1 554 920 61 SWITCH PUSH AC POWER 1 KEY U T1 1 431 870 11 TRANSFORMER POWER FB720R T1 1 431 872 11 TRANSFORMER POWER FB820R ACC...
Page 26: ... 36 TA FB720R FB820R Sony Corporation Home A V Products Company 9 922 867 11 98E097541 1 Printed in Hungary 1998 5 Published by Quality Assurance Dept Shibaura ...
