Sony-TAFA777ES-int-sm 电路图维修手册.pdf

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1、MICROFILM SERVICE MANUAL INTEGRATED STEREO AMPLIFIER AEP Model SPECIFICATIONS TA-FA777ES RadioFans.CN 收音机爱好者资料库 2 TABLE OF CONTENTS 1.GENERAL Location of Controls .3 2.DISASSEMBLY.4 3.ELECTRICAL ADJUSTMENT.6 4.DIAGRAMS 4-1.Notes for Printed Wiring Boards and Schematic Diagrams .7 4-2.Printed Wiring

2、 Boards INPUT/MAIN-B(L)/MAIN-B(R) Boards .8 4-3.Schematic Diagram INPUT(1/2)/MAIN-B(L)/MAIN-B(R) Boards .9 4-4.Printed Wiring Boards BALANCE/FUNCTION SW/ SP TM/HP/TONE CONTROL/PRO.LED Boards . 10 4-5.Schematic Diagram BALANCE/FUNCTION SW/ SP TM/INPUT(2/2)/HP/TONE CONTROL(2/2)/ PRO.LED Boards . 11 4-

3、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

4、 0 ON THE SCHEMATIC DIAGRAMS AND IN THE PARTS LIST ARE CRITICAL TO SAFE OPERATION. REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUB- LISHED BY SONY. RadioFans.CN 收音机爱好者资料库 3 SECTION 1 GENERAL This section is extracted from instruction

5、manual. LOCATION OF CONTROLS RadioFans.CN 收音机爱好者资料库 4 FRONT PANEL, TOP board, BOTTOM board SUB CHASSIS, FUN-SW BOARD Note: Follow the disassembly procedure in the numerical order given. SECTION 2 DISASSEMBLY 8three screws (BV 3 8) 0two screws (B 4 20) qsthree screws (BV 3 8) 0three screws (B 4 20)

6、qathree foots qsfive screws (BV 3 8) qdbottom board 1four screws (FLAT HEAD) 1four screws (FLAT HEAD) 2top board qatwo foots 7two screws (BV 3 8) 9front panel 6knob (DIA.68) 5screw 3screw 4knob (DIA.48) 5sub chassis 1two screws (BV 3 8) 2shield plate 1four screws (BV 3 8) qdrotary switch (remote typ

7、e) 4four screws (BV 3 8) qgFUN-SW board 4two screws (BV 3 8) qfnut qalight interception sheet (B) 0knob (DIA.29) 4four screws (BV 3 8) 4screw (BV 3 8) 7power botton assy 8two screws ( 3 6) 9switch, push (AC power) 3connector (CN806) 6two connectors (CN807, 808) qhconnector (CN304) qsnut 5 HEAT SINK

8、(L) / (R) ASSY MAIN A board, PS-PRE board 4three connectors (CN501, 502, 503) 3heat sink (L) assy 2two screws (4 8) 2two screws (4 8) 5heat sink (R) assy 6three connectors (CN551, 552, 553) 1two screws (4 8) 1two screws (4 8) 2three screws (BV 3 8) 1two screws (3 8) 4rod MAIN A board 8three connecto

9、rs (CN203, 204, 205) 3two screws (BV 3 8) 7four connectors (CN401, 402, 403, 404) 6three connectors (CN51, 52, 53) PS-PRE board 9Chassis (I) 5four connectors (CN802, 803, 804, 805) 6 Note: Adjustment should be performed 5 minutes later, after the power switch is on. Bias Adjustment Setting: ATTENUAT

10、OR (Volume) 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 met

11、er (0.3V DC range) RT501 CN504 1 3 L-CH RT551 CN554 1 3 R-CH 77 SECTION 4 DIAGRAMS 4-1.NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS (In addition to this, the necessary note is printed in each block.) Note on Schematic Diagram: All capacitors are in F unless otherwise noted. pF: F 50 WV or l

12、ess are not indicated except for electrolytics and tantalums. All resistors are in and 1/4 W or less unless otherwise specified. 2 : nonflammable resistor. 5 : fusible resistor. C : panel designation. Note on Printed Wiring Boards: X : parts extracted from the component side. b : Pattern from the si

13、de which 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 M). Voltage variations may be noted due to normal

14、produc- tion tolerances. Signal path. I: PHONO NOTE:The components identified by mark 0 or dotted line with mark 0 are critical for safety. Replace only with part number specified. B These are omitted. CE Q B These are omitted. CE Q Circuit Boards Location PRO. LED board HP board TONE CONTROL board

15、MAIN-B (L) board RV board FUNCTION SW board MAIN-A board REC OUT board PS board MAIN-B (R) board BALANCE board INPUT board SP TM board OUTLET board PS-PRE board 88 TA-FA777ES 4-2.PRINTED WIRING BOARDS INPUT/MAIN-B (L) /MAIN-B (R) Boards See page 7 for Circuit Boards Location. Semiconductor Location

16、INPUT Board Ref. No.Location D101A-7 D102A-7 D103A-6 D104A-4 D105A-3 D106A-2 D107A-2 D108C-6 D109A-1 Ref. No.Location D555C-1 D556C-1 D557A-1 D561C-1 D562C-1 Q563A-1 Q564B-1 Q565B-2 Q566A-2 Q568E-2 Q570D-2 Q572F-1 Q573E-1 Semiconductor Location MAIN-B (R) Board Semiconductor Location MAIN-B (L) Boar

17、d Ref. No.Location D505C-2 D506C-2 D507A-2 D511C-2 D512C-2 Q513A-2 Q514B-2 Q515B-1 Q516A-1 Q518E-1 Q520D-1 Q522F-2 Q523E-2 (Page 12) (Page 12) (Page 10) (Page 12) (Page 12) (Page 10) (Page 10) (Page 10) (Page 10) (Page 10) (Page 10)(Page 12) (Page 12) (Page 12) 99 TA-FA777ES 4-3.SCHEMATIC DIAGRAM IN

18、PUT (1/2) /MAIN-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)

19、1010 TA-FA777ES (Page 12) (Page 12) 4-4.PRINTED WIRING BOARDS BALANCE/FUNCTION SW/SP TM/HP/TONE CONTROL/PRO.LED Boards See page 7 for Circuit Boards Location. Semiconductor Location BALANCE Board Ref. No.Location D201D-2 D202D-2 D251C-2 D252C-2 Q206D-3 Q207D-2 Q208D-2 Q209D-3 Q256A-2 Q257B-2 Q258B-2

20、 Q259B-2 Semiconductor Location FUNCTION SW Board Ref. No.Location D914B-3 D915A-3 D916A-3 D917A-2 D918A-2 D919A-1 D920B-1 Semiconductor Location SP TM Board Ref. No.Location D601C-4 D602B-1 D603B-3 IC601B-2 Q601C-1 Q602A-1 Q603B-1 Q604C-1 Q605A-2 Q606A-2 (Page 8) (Page 12) TO SP TM BOARD (Page 8) (

21、Page 12) (Page 8) (Page 8) (Page 8) (Page 8) TO PRO.LED BOARD (Page 12) (Page 12) TO HP BOARD (Page 8) (Page 12) TO TONE CONTROL BOARD TO SP TM BOARD TO SP TM BOARD 1111 TA-FA777ES 4-5.SCHEMATIC DIAGRAM BALANCE/FUNCTION SW/SP TM/INPUT (2/2) /HP/TONE CONTROL (2/2) /PRO.LED Boards The components ident

22、ified by mark 0 or dotted line with mark 0 are critical for safety. Replace only with part number specified. IC Block Diagram IC601PC1237HA 12345678 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 (Pa

23、ge 9) (Page 9) (Page 13) (Page 13) (Page 13) (Page 9) (Page 9) (Page 13) (Page 9) (Page 13) 1212 TA-FA777ES 4-6.PRINTED WIRING BOARDS MAIN-A/RV/REC OUT/PS PRE/PS/OUTLET Boards See page 7 for Circuit Boards Location. Semiconductor Location PS Board Ref. No.Location D701C-3 D702C-3 D703C-2 D704C-2 D70

24、5B-2 D709C-2 D710C-2 D711C-1 Q402D-2 Q403D-1 Q404B-2 Q405D-2 Q406D-2 Q407C-2 Q408C-2 Q409B-2 Q410C-1 Q411C-2 Q412C-3 Q451D-6 Q452D-6 Q453D-6 Q454B-6 Q455D-5 Q456D-5 Q457C-5 Q458C-5 Q459B-5 Q460C-6 Q461C-6 Q462C-5 Ref. No.LocationRef. No.Location D401B-3 D402B-3 D403B-3 D418D-3 D419D-3 D451B-4 D452B-

25、4 D453B-4 D468D-5 D469D-5 IC201C-9 Q201B-8 Q202B-8 Q203C-8 Q204D-8 Q205C-8 Q251B-9 Q252B-9 Q253C-9 Q254D-9 Q255C-9 Q401D-2 Semiconductor Location MAIN-A Board Semiconductor Location PS PRE Board Ref. No.Location D801A-2 D802A-2 D851A-2 D852A-2 Q806B-1 Ref. No.Location Q807B-2 Q808B-2 Q856B-3 Q857B-3

26、 Q858B-2 (Page 8) (Page 8) TO PS PRE BOARD TO PS BOARD TO RV BOARD (Page 10) (Page 10) (Page 8) TO MAIN-A BOARD TO PS PRE BOARD (Page 8) (Page 8) TO MAIN-A BOARD TO MAIN-A BOARD TO PS BOARD (Page 10) (Page 10) (Page 10) (Page 10) TO MAIN-A BOARD (Page 8) (Page 8) (Page 10) TO OUTLET BOARD TO PS PRE

27、BOARD TO PS BOARD 1313 TA-FA777ES 4-7.SCHEMATIC DIAGRAM MAIN-A/TONE CONTROL (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

28、) (Page 11)(Page 11) (Page 11) (Page 9) (Page 9) (Page 9) (Page 9) 1414 Ref. No.Part No.DescriptionRemarkRef. No.Part No.DescriptionRemark (2)FRONT CHASSIS SECTION (1)PANEL SECTION SECTION 5 EXPLODED VIEWS The components identified by mark 0 or dotted line with mark 0 are critical for safety. Replac

29、e only with part number specified. Items marked “*” are not stocked since they are seldom required for routine service. Some delay should be anticipated when ordering these items. The mechanical parts with no reference num- ber in the exploded views are not supplied. Hardware (# mark) list and acces

30、sories and packing materials are given in the last of the electrical parts list. NOTE: -XX and -X mean standardized parts, so they may have some difference from the original one. Color Indication of Appearance Parts Example: KNOB, BALANCE (WHITE) . . . (RED) Parts Color Cabinets Color Ref. No.Part N

31、o.DescriptionRemarkRef. No.Part No.DescriptionRemark 10 10 12 10 9 18 17 19 20 23 8 7 7 15 21 22 1 2 14 10 3 4 5 not supplied not supplied not supplied (including zA) 55 51 not supplied not supplied supplied with J801 S1 56 51 51 59 60 57 58 not supplied not supplied not supplied #1 #1 not supplied

32、S001 not supplied 63 70 70 51 51 51 62 64 51 51 51 67 not supplied not supplied supplied with S901 supplied with RV304 supplied with RV301, 302, 303, S801 68 6867 51 52 51 51 53 54 not supplied not supplied 14-224-463-01 PLATE (R), ORNAMENTAL 23-703-685-21 SCREW (+BV 3X8) 34-224-701-01 KNOB (DIA. 48

33、) 44-224-700-01 KNOB (DIA. 68) 54-224-460-01 PANEL, FRONT 74-224-461-01 BRACKET (F.P) 84-974-510-01 SCREW (+BV 3X8 CU) 94-988-322-21 PANEL (L), SIDE 104-976-827-11 SCREW, FLAT HEAD * 124-969-333-31 BOARD, TOP 144-988-323-21 PANEL (R), SIDE 154-988-311-01 ESCUTCHEON (B) 174-970-145-11 ESCUTCHEON (P)

34、* 184-971-834-11 TUBE (B), LIGHT INTERCEPTION 194-921-415-13 ESCUTCHEON, POWER KNOB 204-931-646-01 LENS, LED 214-988-312-01 LENS, LED 224-988-321-21 PLATE (L.S), ORNAMENTAL 234-224-462-01 PLATE (L), ORNAMENTAL 514-974-510-01 SCREW (+BV 3X8 CU) * 521-664-379-21 REC OUT BOARD 534-972-113-01 WASHER 544

35、-970-146-11 BUTTON 554-988-316-21 KNOB (DIA. 29) * 561-664-367-21 HP BOARD 574-967-959-01 SCREW (3X6) 58X-4948-011-1 BUTTON ASSY, POWER 594-812-134-00 RIVET (DIA. 3.5), NYLON * 601-664-368-21 PRO.LED BOARD * 621-664-365-21 RV BOARD 63A-4426-973-A TONE CONTROL BOARD, COMPLETE * 641-664-369-21 FUNCTIO

36、N SW BOARD 674-972-889-01 CUSHION 68X-4950-540-1 FOOT ASSY 704-971-099-01 WASHER (P) S0011-762-921-11 SWITCH, ROTARY (REMOTE TYPE) (REC OUT SELECTOR) 0S11-554-538-00 SWITCH, PUSH (AC POWER) (1KEY) (POWER) The components identified by mark 0 or dotted line with mark 0 are critical for safety. Replace

37、 only with part number specified. 15 (3)MAIN CHASSIS SECTION Ref. No.Part No.DescriptionRemarkRef. No.Part No.DescriptionRemark 1014-967-960-01 SCREW (4X8) 1024-974-510-01 SCREW (+BV 3X8 CU) 103A-4426-968-A MAIN-B (L) BOARD, COMPLETE * 1044-970-132-01 HOLDER (C) 105A-4426-972-A PS BOARD, COMPLETE *

38、1064-931-964-01 SCREW (M4) 107A-4426-969-A MAIN-B (R) BOARD, COMPLETE 108X-4943-354-1 SCREW (+B) ASSY, BARREL WASHER 1094-971-099-01 WASHER (P) C7011-131-864-11 CAP, ELECT C7021-131-864-11 CAP, ELECT 0T11-431-376-11 TRANSFORMER, POWER not supplied 101 not supplied not supplied not supplied not suppl

39、ied not supplied not supplied #5 #7 #6 T1 101 101 101 102 109 108103102 101 101 101 101 101 101 104 105 106 106 C702 C701 107 102 102 109 102 108 The components identified by mark 0 or dotted line with mark 0 are critical for safety. Replace only with part number specified. 16 (4)BACK PANEL SECTION

40、Ref. No.Part No.DescriptionRemarkRef. No.Part No.DescriptionRemark 1514-974-510-01 SCREW (+BV 3X8 CU) 152A-4426-971-A PS-PRE BOARD, COMPLETE 153A-4426-967-A MAIN-A BOARD, COMPLETE 1544-969-896-01 SPACER 1554-973-106-01 SCREW, COLLAR * 156A-4392-509-A INPUT BOARD, COMPLETE 1571-664-378-21 OUTLET BOAR

41、D 158A-4426-970-A SP TM BOARD, COMPLETE 1611-506-113-00 SHORT PLUG * 1621-535-691-31 TERMINAL 1633-703-685-21 SCREW (+BV 3X8) 1644-975-263-42 PANEL, BACK 1654-970-145-01 ESCUTCHEON (P) 1664-970-146-01 BUTTON * 1674-970-147-01 ROD * 168A-4392-510-A BALANCE BOARD, COMPLETE 01701-580-375-41 INLET 3P *

42、1724-969-344-01 HOLDER (P) 1734-971-099-01 WASHER (P) TM6011-694-308-11 TERMINAL BOARD (SP) (SPEAKERS MAIN) TM6021-694-308-11 TERMINAL BOARD (SP) (SPEAKERS BI-WIRE) not supplied #8 151 152 151 172 172 172 151 151 not supplied not supplied not supplied TM601 TM602 not supplied 151 151 156 A A B B 165

43、 151 151 173 173 168 153 167 166 154 155 151 151 164151 163 162 161 151 170 158 151 151 157 The components identified by mark 0 or dotted line with mark 0 are critical for safety. Replace only with part number specified. 17 SECTION 6 ELECTRICAL PARTS LIST BALANCE FUNCTION SW HP Ref. No.Part No.Descr

44、iptionRemarkRef. No.Part No.DescriptionRemark NOTE: Due to standardization, replacements in the parts list may be different from the parts speci- fied in the diagrams or the components used on the set. -XX and -X mean standardized parts, so they may have some difference from the original one. RESIST

45、ORS All resistors are in ohms. METAL: Metal-film resistor. METAL OXIDE: Metal oxide-film resistor. F: nonflammable Items marked “*” are not stocked since they are seldom required for routine service. Some delay should be anticipated when order- ing these items. SEMICONDUCTORS In each case, u: , for

46、example: uA. .: A. .uPA. . : PA. . uPB. . : PB. .uPC. . : PC. . uPD. . : PD. . CAPACITORS uF: F COILS uH: H The components identified by mark 0 or dotted line with mark 0 are critical for safety. Replace only with part number specified. When indicating parts by reference number, please include the b

47、oard. *A-4392-510-A BALANCE BOARD, COMPLETE * C2081-110-397-11 ELECT1000uF20%63V C2091-110-393-11 ELECT100uF20%63V C2101-110-390-11 ELECT22uF20%63V C2111-110-390-11 ELECT22uF20%63V C2581-110-397-11 ELECT1000uF20%63V C2591-110-393-11 ELECT100uF20%63V C2601-110-390-11 ELECT22uF20%63V C2611-110-390-11

48、ELECT22uF20%63V CN2021-691-766-31 PLUG (MICRO CONNECTOR) 4P * CN2041-564-506-11 PLUG, CONNECTOR 3P CNP201 1-766-896-11 CONNECTOR (CANON) (SACD INPUT L) CNP251 1-766-896-11 CONNECTOR (CANON) (SACD INPUT R) CP2011-233-250-11 ENCAPSULATED COMPONENT D2018-719-935-52 DIODE UZL-7H1-TP D2028-719-935-52 DIODE UZL-