MICROFILM
SERVICE MANUAL
INTEGRATED STEREO AMPLIFIER
AEP Model
SPECIFICATIONS
TA-FA777ES
Page 1: ...MICROFILM SERVICE MANUAL INTEGRATED STEREO AMPLIFIER AEP Model SPECIFICATIONS TA FA777ES ...
Page 2: ...c Diagram BALANCE FUNCTION SW SP TM INPUT 2 2 HP TONE CONTROL 2 2 PRO LED Boards 11 4 6 Printed Wiring Boards MAIN A RV REC OUT PS PRE PS OUTLET Boards 12 4 7 Schematic Diagram MAIN A TONE CONTROL 1 2 RV REC OUT PS PRE PS OUTLET Boards 13 5 EXPLODED VIEWS 14 6 ELECTRICAL PARTS LIST 17 SAFETY RELATED COMPONENT WARNING COMPONENTS IDENTIFIED BY MARK 0 OR DOTTED LINE WITH MARK 0 ON THE SCHEMATIC DIAGR...
Page 3: ...3 SECTION 1 GENERAL This section is extracted from instruction manual LOCATION OF CONTROLS ...
Page 4: ...AT HEAD 1 four screws FLAT HEAD 2 top board qa two foots 7 two screws BV 3 8 9 front panel 6 knob DIA 68 5 screw 3 screw 4 knob DIA 48 5 sub chassis 1 two screws BV 3 8 2 shield plate 1 four screws BV 3 8 qd rotary switch remote type 4 four screws BV 3 8 qg FUN SW board 4 two screws BV 3 8 qf nut qa light interception sheet B 0 knob DIA 29 4 four screws BV 3 8 4 screw BV 3 8 7 power botton assy 8 ...
Page 5: ...s 4 8 5 heat sink R assy 6 three connectors CN551 552 553 1 two screws 4 8 1 two screws 4 8 2 three screws BV 3 8 1 two screws 3 8 4 rod MAIN A board 8 three connectors CN203 204 205 3 two screws BV 3 8 7 four connectors CN401 402 403 404 6 three connectors CN51 52 53 PS PRE board 9 Chassis I 5 four connectors CN802 803 804 805 ...
Page 6: ...e control minimum Input signal No signal input Procedure Adjust RT501 L CH and RT551 R CH for 70 mV reading on the VTVM Adjustment Location SECTION 3 ELECTRICAL ADJUSTMENT MAIN B L Board Component side MAIN B R Board Component side level meter 0 3V DC range level meter 0 3V DC range RT501 CN504 1 3 L CH RT551 CN554 1 3 R CH ...
Page 7: ...ch enables seeing Indication of transistor U B Line V B Line H adjustment for repair Voltages and waveforms are dc with respect to ground under no signal 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 Signal path I PHONO NOTE The components identified by mark 0 or dotted line with mark 0 are criti...
Page 8: ...No Location D555 C 1 D556 C 1 D557 A 1 D561 C 1 D562 C 1 Q563 A 1 Q564 B 1 Q565 B 2 Q566 A 2 Q568 E 2 Q570 D 2 Q572 F 1 Q573 E 1 Semiconductor Location MAIN B R Board Semiconductor Location MAIN B L Board Ref No Location D505 C 2 D506 C 2 D507 A 2 D511 C 2 D512 C 2 Q513 A 2 Q514 B 2 Q515 B 1 Q516 A 1 Q518 E 1 Q520 D 1 Q522 F 2 Q523 E 2 Page 12 Page 12 Page 10 Page 12 Page 12 Page 10 Page 10 Page 1...
Page 9: ...N B L MAIN B R Boards The components identified by mark 0 or dotted line with mark 0 are critical for safety Replace only with part number specified Page 13 Page 13 Page 11 Page 13 Page 13 Page 13 Page 11 Page 13 Page 11 Page 11 Page 13 Page 13 Page 11 ...
Page 10: ...Q256 A 2 Q257 B 2 Q258 B 2 Q259 B 2 Semiconductor Location FUNCTION SW Board Ref No Location D914 B 3 D915 A 3 D916 A 3 D917 A 2 D918 A 2 D919 A 1 D920 B 1 Semiconductor Location SP TM Board Ref No Location D601 C 4 D602 B 1 D603 B 3 IC601 B 2 Q601 C 1 Q602 A 1 Q603 B 1 Q604 C 1 Q605 A 2 Q606 A 2 Page 8 Page 12 TO SP TM BOARD Page 8 Page 12 Page 8 Page 8 Page 8 Page 8 TO PRO LED BOARD Page 12 Page...
Page 11: ...ed line with mark 0 are critical for safety Replace only with part number specified IC Block Diagram IC601 µPC1237HA 1 2 3 4 5 6 7 8 OVER LOAD DET F F OFFSET DET LATCH AUTORESET VCC ON MUTE AC OFF DET OVER LOAD DET OFFSET DET AUTO RESET AC OFF DET GND RELAY DRIVE VCC ON MUTE VCC Page 9 Page 9 Page 13 Page 13 Page 13 Page 9 Page 9 Page 13 Page 9 Page 13 ...
Page 12: ...ation D401 B 3 D402 B 3 D403 B 3 D418 D 3 D419 D 3 D451 B 4 D452 B 4 D453 B 4 D468 D 5 D469 D 5 IC201 C 9 Q201 B 8 Q202 B 8 Q203 C 8 Q204 D 8 Q205 C 8 Q251 B 9 Q252 B 9 Q253 C 9 Q254 D 9 Q255 C 9 Q401 D 2 Semiconductor Location MAIN A Board Semiconductor Location PS PRE Board Ref No Location D801 A 2 D802 A 2 D851 A 2 D852 A 2 Q806 B 1 Ref No Location Q807 B 2 Q808 B 2 Q856 B 3 Q857 B 3 Q858 B 2 P...
Page 13: ...1 2 RV REC OUT PS PRE PS OUTLET Boards The components identified by mark 0 or dotted line with mark 0 are critical for safety Replace only with part number specified Page 9 Page 9 Page 11 Page 11 Page 9 Page 9 Page 11 Page 11 Page 11 Page 9 Page 9 Page 9 Page 9 ...
Page 14: ...th S901 supplied with RV304 supplied with RV301 302 303 S801 68 68 67 51 52 51 51 53 54 not supplied not supplied 1 4 224 463 01 PLATE R ORNAMENTAL 2 3 703 685 21 SCREW BV 3X8 3 4 224 701 01 KNOB DIA 48 4 4 224 700 01 KNOB DIA 68 5 4 224 460 01 PANEL FRONT 7 4 224 461 01 BRACKET F P 8 4 974 510 01 SCREW BV 3X8 CU 9 4 988 322 21 PANEL L SIDE 10 4 976 827 11 SCREW FLAT HEAD 12 4 969 333 31 BOARD TOP...
Page 15: ...OARD COMPLETE 108 X 4943 354 1 SCREW B ASSY BARREL WASHER 109 4 971 099 01 WASHER P C701 1 131 864 11 CAP ELECT C702 1 131 864 11 CAP ELECT 0T1 1 431 376 11 TRANSFORMER POWER not supplied 101 not supplied not supplied not supplied not supplied not supplied not supplied 5 7 6 T1 101 101 101 102 109 108 103 102 101 101 101 101 101 101 104 105 106 106 C702 C701 107 102 102 109 102 108 The components ...
Page 16: ... PANEL BACK 165 4 970 145 01 ESCUTCHEON P 166 4 970 146 01 BUTTON 167 4 970 147 01 ROD 168 A 4392 510 A BALANCE BOARD COMPLETE 0170 1 580 375 41 INLET 3P 172 4 969 344 01 HOLDER P 173 4 971 099 01 WASHER P TM601 1 694 308 11 TERMINAL BOARD SP SPEAKERS MAIN TM602 1 694 308 11 TERMINAL BOARD SP SPEAKERS BI WIRE not supplied 8 151 152 151 172 172 172 151 151 not supplied not supplied not supplied TM6...
Page 17: ...33 250 11 ENCAPSULATED COMPONENT DIODE D201 8 719 935 52 DIODE UZL 7H1 TP D202 8 719 935 52 DIODE UZL 7H1 TP D251 8 719 935 52 DIODE UZL 7H1 TP D252 8 719 935 52 DIODE UZL 7H1 TP TRANSISTOR Q206 8 729 018 60 TRANSISTOR 2SD2012 LC Q207 8 729 281 54 TRANSISTOR 2SC1815BL TPE2 Q208 8 729 202 67 FET 2SK246GR3 TPE2 Q209 8 729 018 60 TRANSISTOR 2SD2012 LC Q256 8 729 018 59 TRANSISTOR 2SB1375 LB SONY Q257...
Page 18: ... 226 11 CARBON 4 7K 5 1 3W R123 1 249 194 11 CARBON 220 5 1 3W R151 1 259 239 11 CARBON 1M 5 1 4W R152 1 259 239 11 CARBON 1M 5 1 4W R153 1 259 239 11 CARBON 1M 5 1 4W R154 1 249 923 11 CARBON 1K 5 1 4W R155 1 259 239 11 CARBON 1M 5 1 4W R156 1 249 923 11 CARBON 1K 5 1 4W R157 1 259 239 11 CARBON 1M 5 1 4W R158 1 249 923 11 CARBON 1K 5 1 4W R159 1 259 239 11 CARBON 1M 5 1 4W R168 1 259 143 21 CARB...
Page 19: ...47 BL Q253 8 729 203 45 TRANSISTOR 2SC3423 Y Q254 8 729 202 67 FET 2SK246GR3 TPE2 Q255 8 729 281 54 TRANSISTOR 2SC1815BL TPE2 Q401 8 729 203 21 FET 2SK389 BL Q402 8 729 281 54 TRANSISTOR 2SC1815BL TPE2 Q403 8 729 281 54 TRANSISTOR 2SC1815BL TPE2 Q404 8 729 232 00 TRANSISTOR 2SA1349 GRBL Q405 8 729 018 21 FET 2SJ313 LB Q406 8 729 104 91 TRANSISTOR 2SA1383 Q Q407 8 729 202 67 FET 2SK246GR3 TPE2 Q408...
Page 20: ...481 1 259 773 11 CARBON 100 2 2W SWITCH S201 1 572 642 11 SWITCH PUSH 1 KEY CARTRIDGE A 4426 968 A MAIN B L BOARD COMPLETE CAPACITOR C516 1 137 163 11 FILM 0 33uF 10 63V C517 1 137 163 11 FILM 0 33uF 10 63V C520 1 119 835 31 ELECT 33uF 20 63V C521 1 162 286 31 CERAMIC 220PF 10 50V C522 1 119 834 11 ELECT 22uF 20 63V CONNECTOR CN501 1 564 506 11 PLUG CONNECTOR 3P CN502 1 564 506 11 PLUG CONNECTOR 3...
Page 21: ... 1 4W VARIABLE RESISTOR RT551 1 224 490 11 RES ADJ METAL FILM 4 7K 1 664 378 21 OUTLET BOARD 1 533 185 11 HOLDER FUSE CAPACITOR 0C51 1 113 920 11 CERAMIC 0 0022uF 20 250V CONNECTOR CN51 1 564 321 00 PIN CONNECTOR 2P CN52 1 580 629 11 PIN CONNECTOR 2P CN53 1 564 321 21 PIN CONNECTOR 2P FUSE 0F51 1 532 299 00 FUSE TIME LAG T5A 250V 1 664 368 21 PRO LED BOARD CONNECTOR CN806 1 564 506 11 PLUG CONNECT...
Page 22: ...87 00 METAL OXIDE 150 5 2W F 1 664 379 21 REC OUT BOARD CONNECTOR CN315 1 564 506 11 PLUG CONNECTOR 3P SWITCH S302 1 762 186 11 SWITCH TOGGLE RECOUT 1 664 365 21 RV BOARD CONNECTOR CN303 1 691 770 11 PLUG MICRO CONNECTOR 8P CN304 1 691 770 21 PLUG MICRO CONNECTOR 8P VARIABLE RESISTOR RV304 1 225 403 11 RES VAR CARBON 120K 120K ATTENUATOR A 4426 970 A SP TM BOARD COMPLETE CAPACITOR C601 1 126 868 1...
Page 23: ...1 694 308 11 TERMINAL BOARD SP SPEAKERS BI WIRE A 4426 973 A TONE CONTROL BOARD COMPLETE CAPACITOR C301 1 130 475 00 MYLAR 0 0022uF 5 50V C303 1 136 153 00 FILM 0 01uF 5 50V C305 1 136 155 00 FILM 0 015uF 5 50V C307 1 136 165 00 MYLAR 0 1uF 5 50V C309 1 136 165 00 MYLAR 0 1uF 5 50V C310 1 136 165 00 MYLAR 0 1uF 5 50V C351 1 130 475 00 MYLAR 0 0022uF 5 50V C353 1 136 153 00 FILM 0 01uF 5 50V C355 1...
Page 24: ...H AC POWER 1KEY POWER 0T1 1 431 376 11 TRANSFORMER POWER TM601 1 694 308 11 TERMINAL BOARD SP SPEAKERS MAIN TM602 1 694 308 11 TERMINAL BOARD SP SPEAKERS BI WIRE HARDWARE LIST 1 7 685 886 09 SCREW BVTT 4X20 S 3 7 685 883 09 SCREW BVTT 4X12 S 4 7 682 548 09 SCREW 3X8 5 7 682 564 09 SCREW B 4X14 6 7 684 024 04 N 4 TYPE 2 7 7 682 148 15 SCREW TR 8 7 682 248 09 SCREW K 3X8 ACCESSORIES PACKING MATERIAL...
