Sony-TAEX77-int-sm维修电路原理图.pdf

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1、MICROFILM AEP Model UK Model E Model SERVICE MANUAL TA-EX66/EX77 INTEGRATED STEREO AMPLIFIER TA-EX66/EX77 is the amplifier section in MHC-EX66, DHC-EX77MD/MD77. SPECIFICATIONS Photo: TA-EX77 (AEP, UK model) General Power requirements AEP, UK model:220 230 V AC, 50/60 Hz HK, SP model:220 240 V AC, 50

2、/60 Hz Power consumption125 watts Design and specifications are subject to change without notice. Abbreviation HK : Hong Kong SP : Singapore AEP, UK model: DIN power output45 + 45 watts (6 ohms at 1 kHz, DIN) Continuous RMS power output 60 + 60 watts (6 ohms at 1kHz, 10% THD) Music power output105 +

3、 105 watts HK, SP model: Continuous RMS power output 55 + 55 watts (6 ohms at 1 kHz, 5% THD) Inputs CD IN, MD IN (phono jacks): voltage 450 mV, impedance 47 kilohms TUNER IN, TAPE IN, VIDEO1 IN, VIDEO2/AUX IN (TA-EX66/ EX77: AEP, UK model), VIDEO2 IN (TA-EX77: HK, SP model) (phono jacks):voltage 250

4、 mV, impedance 47 kilohms MIX MIC (phone jack): sensitivity 1 mV, impedance 10 kilohms or more Outputs MD OUT, TAPE OUT, VIDEO1 OUT (phono jacks): voltage 250 mV, impedance 1 kilohm PHONES (stereo phone jack): accepts headphones of 6 ohms or more. SPEAKER:accepts impedance of 6 to 16 ohms. Dimension

5、s (w/h/d) incl. projecting parts and controls: Approx. 280 122.5 298 mm MassApprox. 5.3 kg www.freeservicemanuals.infoIts freeAll over the world RadioFans.CN 收音机爱 好者资料库 2 SAFETY-RELATED COMPONENT WARNING! COMPONENTS IDENTIFIED BY MARK ! OR DOTTED LINE WITH MARK ! ON THE SCHEMATIC DIAGRAMS AND IN THE

6、 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. TABLE OF CONTENTS 1.GENERAL.3 2.DISASSEMBLY.6 3.DIAGRAMS 3-1.IC Pin Function Description .9 3-2.Schematic Diagram .14 3-3.Prin

7、ted Wiring Boards .19 4.EXPLODED VIEWS.22 5.ELECTRICAL PARTS LIST.24 MODEL IDENTIFICATION BACK PANEL 4-985-927- TA-EX77 (AEP, UK model): 1 CED/CEK TA-EX77 (Singapore model) : 2 SP TA-EX77 (Hong Kong model): 3 HK TA-EX66 (AEP, UK model): 4 CED/CEK TA-EX66 (Singapore model) : 5 SP www.freeservicemanua

8、ls.infoIts freeAll over the world RadioFans.CN 收音机爱 好者资料库 3 SECTION 1 GENERAL This section is extracted from instruction manual. www.freeservicemanuals.infoIts freeAll over the world 4 www.freeservicemanuals.infoIts freeAll over the world 5 www.freeservicemanuals.infoIts freeAll over the world 6 SEC

9、TION 2 DISASSEMBLY This set can be disassembled in the order shown below. CONNECTOR BOARD (Page 7) BACK PANEL (Page 7) MAIN BOARD (Page 8) CASE, FRONT PANEL ASSY (Page 6) 1screw (BVTT3 8) 2two screws (case 3 TP2) 2two screws (case 3 TP2) 3case 4two screws (BVTP3 10) 5two legs (F) 6three screws (BVTP

10、3 10) 7claw 7two claws 7two claws 8front panel assy CASE, FRONT PANEL ASSY Note: Follow the disassembly procedure in the numerical order given. www.freeservicemanuals.infoIts freeAll over the world 7 BACK PANEL CONNECTOR BOARD 1connector (CN911) 2connector (CN504) 3screw (BVTP3 8) 3three screws (BVT

11、P3 10) 3five screws (BVTP3 10) 4claw 5Remove the back panel to direction of the arrow A. A EX77 1connector (CN501) 2Remove the connector (CN553) to direction of the arrow A. 3Remove the connector (CN554) to direction of the arrow B. 4Remove the connector board to direction of the arrow C. A B C www.

12、freeservicemanuals.infoIts freeAll over the world 8 MAIN BOARD 1two screws (BVTP3 16) 2four screws (BVTT3 6) 3Remove the MAIN board to direction of the arrow. www.freeservicemanuals.infoIts freeAll over the world 9 SECTION 3 DIAGRAMS 3-1.IC PIN FUNCTION DESCRIPTION PANEL BOARD IC101 MB89193A-157 (SY

13、STEM CONTROLLER) Pin No.Pin NameI/OFunction 1MIC-INI Plug in detection signal input of the MIX MIC jack (J201) Insert the microphone plug with the jack when “H” 2STANBYO Power on/off control signal output terminal “H”: power on, “L”: standby mode 3K-PONO Control signal output to the KARAOKE PON circ

14、uit “H”: KARAOKE PON on 4KEY0I Key input terminal (A/D input) POWER key (S101) input 5VSS Ground terminal 6RSTI Power on reset signal input from the reset signal generator (IC103) “L”: reset For several hundreds msec. after the power supply rises, “L” is input, then it changes to “H” 7XINI System cl

15、ock input terminal (4 MHz) 8XOUTO System clock output terminal (4 MHz) 9VSS Ground terminal 10AUB-OUTO Output terminal of the audio bus signal 11AUB-INI Input terminal of the audio bus signal 12SIRCS-INI Sircs signal input from the remote control receiver (IC102) 13VOL-UPO Motor control signal outpu

16、t to the volume up/down motor driver IC (IC104) “H”: volume up 14VOL-DOWNO Motor control signal output to the volume up/down motor driver IC (IC104) “H”: volume down 15 20dB MUTEO Control signal output of the 20 dB mute “H”: 20 dB mute on 16DIRECTO Control signal output to the SOURCE DIRECT circuit

17、“H”: SOURCE DIRECT on 17DBFB LEVELO DBFB level select signal output terminal “H” : DBFB LOW, “L”: DBFB HIGH 18MUTEO Control signal output of the line mute “H”: line mute on 19KEY1I Key input terminal (A/D input) 20 dB MUTING, SOURCE DIRECT, KARAOKE PON, DBFB keys (S104 to S107) and rotary encoder (S

18、110) for the FUNCTION 20DBFB ON/OFFO Control signal output to the DBFB circuit “H”: DBFB off, “L”: DBFB on 21OPEN Not used (open) 22VSS Ground terminal 23VCC Power supply terminal (+5V) 24 ANALOG/ DIGITAL I Digital/analog recording mode select input (ANALOG/DIGITAL select switch (S901) input) of the

19、 AUX/VIDEO 2 IN terminal “H”: analog recording mode, “L”: digital recording mode (TA-EX77 only) 25FUNCAO 26FUNCBO Function select signal output terminal *1 27FUNCCO 28VCC Power supply terminal (+5V) *1 TAPE“H”“H”“H” VIDEO 2“L”“H”“H” VIDEO 1“H”“L”“H” MD“L”“L”“H” CD“L”“H”“L” TUNER“H”“L”“L” Terminal Fu

20、nction FUNCA (pin ) FUNCB (pin ) FUNCC (pin ) www.freeservicemanuals.infoIts freeAll over the world 10 IC Block Diagrams IC104BA6208 123456789 NC OUTPUT 2 Vcc GND NC INPUT 2 INPUT 1 NC MOTOR DRIVE MOTOR DRIVE REG SWITCH SWITCH OUTPUT1 IC105SN74HC138AN 1514131211109 87654321 GNDY7G1G2BG2ACBA A BCG2AY

21、7G1G2B Y6 Y5 Y6Y5Y4Y3Y2Y1Y0 16 VCC DATA OUTPUTS OUTPUT ENABLESELECT Y4Y3Y2Y1Y0 IC203, 503MC14052BCP 121415119 161310 1524 3678 VDDSELECT A SELECT B32103210 INH 7VEEVSS www.freeservicemanuals.infoIts freeAll over the world 11 IC701PC1237HA 12345678 OVER LOAD DET F/F OFFSET DET LATCH/ AUTORESET VCC ON

22、 MUTE AC OFF DET VCC Waveforms 1 IC101 7 (XIN) 5.5 Vp-p 4 MHz 2 IC101 8 (XOUT) 5.7 Vp-p 4 MHz www.freeservicemanuals.infoIts freeAll over the world 12 Circuit Boards Location PRIMARY board SECONDARY board PANEL board VOL board MAIN board SW board (EX77) CONNECTOR board www.freeservicemanuals.infoIts

23、 freeAll over the world www.freeservicemanuals.infoIts freeAll over the world www.freeservicemanuals.infoIts freeAll over the world www.freeservicemanuals.infoIts freeAll over the world 22 NOTE: -XX and -X mean standardized parts, so they may have some difference from the original one. Color Indicat

24、ion of Appearrance Parts Example: KNOB, BALANCE (WHITE) . . . (RED) Parts ColorCabinets Color Abbreviation HK : Hong Kong SP : Singapore (1) CASE, FRONT PANEL SECTION Items marked “*” are not stocked since they are seldom required for routine service. Some delay should be anticipated when ordering t

25、hese items. The mechanical parts with no reference num- ber in the exploded views are not supplied. Hardware (# mark) list are given in the last of the electrical parts list. SECTION 4 EXPLODED VIEWS The components identified by mark ! or dotted line with mark ! are critical for safety. Replace only

26、 with part number specified. Ref. No.Part No.DescriptionRemark Ref. No.Part No.DescriptionRemark 14-985-925-01 KNOB (JOG) 2X-4947-837-1 KNOB (VOL) ASSY 34-985-926-01 KNOB 4X-4947-655-1 PANEL ASSY, FRONT (EX77: SP, HK) 4X-4948-359-1 PANEL ASSY, FRONT (EX66) 4X-4948-436-1 PANEL ASSY, FRONT (EX77: AEP,

27、 UK) 54-985-922-01 RING, ORNAMENTAL 64-962-708-01 EMBLEM (4-A), SONY 74-985-918-01 INDICATOR (POWER) 84-985-917-01 BUTTON (POWER) 94-985-920-01 INDICATOR (6) * 10A-4398-059-A PANEL BOARD, COMPLETE (AEP, UK) * 10A-4398-061-A PANEL BOARD, COMPLETE (SP, HK) 114-951-620-01 SCREW (2.6X8), +BVTP 124-977-6

28、99-11 LEG (F) * 131-665-663-11 VOL BOARD 143-363-099-01 SCREW (CASE 3 TP2) 154-978-245-11 CASE 1 2 3 4 5 6 7 8 9 10 12 13 14 15 #1 supplied with J201 supplied with RV204 not supplied not supplied 11 11 #1 #2 14 www.freeservicemanuals.infoIts freeAll over the world 23 (2) MAIN SECTION Ref. No.Part No

29、.DescriptionRemark The components identified by mark ! or dotted line with mark ! are critical for safety. Replace only with part number specified. Ref. No.Part No.DescriptionRemark * 511-663-932-11 CONNECTOR BOARD * 521-665-662-11 SECONDARY BOARD * 531-665-661-11 PRIMARY BOARD * 54A-4398-060-A MAIN

30、 BOARD, COMPLETE (EX77: AEP, UK) * 54A-4398-062-A MAIN BOARD, COMPLETE (EX77: HK, SP) * 54A-4403-012-A MAIN BOARD, COMPLETE (EX66: SP) * 54A-4403-013-A MAIN BOARD, COMPLETE (EX66: AEP, UK) * 553-703-244-00 BUSHING (2104), CORD !561-575-651-11 CORD, POWER (AEP, HK, SP) !561-696-570-21 CORD, POWER (UK

31、) * 574-949-235-01 HOOK (AEP, SP) * 584-985-927-11 PANEL, BACK (EX77: AEP, UK) * 584-985-927-21 PANEL, BACK (EX77: SP) * 584-985-927-31 PANEL, BACK (EX77: HK) * 584-985-927-41 PANEL, BACK (EX66: AEP, UK) * 584-985-927-51 PANEL, BACK (EX66: SP) * 591-663-933-11 SW BOARD (EX77) 604-965-822-01 FOOT !61

32、1-569-008-11 ADAPTOR, CONVERSION 2P (SP) !621-770-019-11 ADAPTOR, CONVERSION PLUG 3P (HK) 634-956-370-02 BAND, PLUG FIXED (UK, HK) !T9011-431-301-11 TRANSFORMER, POWER 51 52 53 54 55 56 58 59 60 61 62 63 HK AEP, HK, SP UK 56 AEP, SPUK, HK 57 EX77 not supplied not supplied not supplied T901 #3 #4 #5

33、#3 #3 #1 #4 #1 #4 SP www.freeservicemanuals.infoIts freeAll over the world 24 Ref. No.Part No.DescriptionRemarkRef. 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.

34、 -XX and -X mean standardized parts, so they may have some difference from the original one. RESISTORS All resistors are in ohms. METAL: Metal-film resistor. METAL OXIDE: Metal oxide-film resistor. F: nonflammable Abbreviation HK : Hong Kong SP : Singapore Items marked “*” are not stocked since they

35、 are seldom required for routine service. Some delay should be anticipated when order- ing these items. SEMICONDUCTORS In each case, u: , for example: uA. .: A. .uPA. . : PA. . uPB. .: PB. .uPC. . : PC. . uPD. .: PD. . CAPACITORS uF: F COILS uH: H Ref. No.Part No.DescriptionRemarkRef. No.Part No.Des

36、criptionRemark *1-663-932-11 CONNECTOR BOARD * C8211-136-153-00 FILM0.01uF5%50V C8311-136-153-00 FILM0.01uF5%50V * CN5311-569-499-11 PIN, CONNECTOR 3P CN5411-770-966-11 PIN, CONNECTOR (PCB) (V TYPE) 6P CN5521-764-325-11 PIN, CONNECTOR (PCB) (V TYPE) 2P (EX77) * CN5531-569-504-11 PIN, CONNECTOR 9P D8

37、088-719-023-05 DIODE 11E2-TA2B D8188-719-023-05 DIODE 11E2-TA2B * *A-4403-012-A MAIN BOARD, COMPLETE (EX66: SP) *A-4403-013-A MAIN BOARD, COMPLETE (EX66: AEP, UK) *A-4398-060-A MAIN BOARD, COMPLETE (EX77: AEP, UK) *A-4398-062-A MAIN BOARD, COMPLETE (EX77: HK, SP) * *4-942-204-01 PLATE, GROUND 7-685-

38、871-01 SCREW +BVTT3X6 (S) C3011-126-045-11 ELECT2.2uF20%50V C3021-162-286-31 CERAMIC220PF10%50V (AEP, UK) C3031-162-282-31 CERAMIC100PF10%50V C3041-126-868-11 ELECT47uF20%50V C3051-126-868-11 ELECT47uF20%50V C3061-124-122-11 ELECT100uF20%50V C3071-126-059-11 ELECT10uF20%50V C3081-126-233-11 ELECT22u

39、F20%50V C3091-164-159-11 CERAMIC0.1uF50V C3101-136-163-00 FILM0.068uF5%50V C3111-136-163-00 FILM0.068uF5%50V C3121-126-868-11 ELECT47uF20%50V C3181-162-200-31 CERAMIC11PF5%50V (AEP, UK) C3311-162-306-11 CERAMIC0.01uF20%16V (AEP, UK) C3401-126-059-11 ELECT10uF20%50V C3511-126-045-11 ELECT2.2uF20%50V

40、C3521-162-286-31 CERAMIC220PF10%50V (AEP, UK) C3531-162-282-31 CERAMIC100PF10%50V C3541-126-868-11 ELECT47uF20%50V C3551-126-868-11 ELECT47uF20%50V C3561-124-122-11 ELECT100uF20%50V C3571-126-059-11 ELECT10uF20%50V C3581-162-200-31 CERAMIC11PF5%50V (AEP, UK) C3601-136-163-00 FILM0.068uF5%50V C3611-1

41、36-163-00 FILM0.068uF5%50V C4011-164-159-11 CERAMIC0.1uF50V (AEP, UK) C4021-164-159-11 CERAMIC0.1uF50V (AEP, UK) C4031-164-159-11 CERAMIC0.1uF50V (AEP, UK) C4511-164-159-11 CERAMIC0.1uF50V (AEP, UK) C4521-164-159-11 CERAMIC0.1uF50V (AEP, UK) C4531-164-159-11 CERAMIC0.1uF50V (AEP, UK) C5011-162-286-3

42、1 CERAMIC220PF10%50V (AEP, UK) C5021-162-286-31 CERAMIC220PF10%50V (AEP, UK) C5031-162-286-31 CERAMIC220PF10%50V (AEP, UK) C5041-162-286-31 CERAMIC220PF10%50V (AEP, UK) C5051-162-286-31 CERAMIC220PF10%50V (AEP, UK) C5061-162-286-31 CERAMIC220PF10%50V (AEP, UK) C5071-162-286-31 CERAMIC220PF10%50V (AE

43、P, UK) C5081-162-286-31 CERAMIC220PF10%50V (AEP, UK) C5091-162-286-31 CERAMIC220PF10%50V (AEP, UK) C5101-162-282-31 CERAMIC100PF10%50V C5311-162-306-11 CERAMIC0.01uF20%16V C5321-162-306-11 CERAMIC0.01uF20%16V C5331-162-306-11 CERAMIC0.01uF20%16V C5341-162-306-11 CERAMIC0.01uF20%16V SECTION 5 ELECTRI

44、CAL PARTS LIST The components identified by mark ! or dotted line with mark ! are critical for safety. Replace only with part number specified. When indicating parts by reference number, please include the board. CONNECTORMAIN www.freeservicemanuals.infoIts freeAll over the world 25 Ref. No.Part No.

45、DescriptionRemarkRef. No.Part No.DescriptionRemark C5511-162-286-31 CERAMIC220PF10%50V (AEP, UK) C5521-162-286-31 CERAMIC220PF10%50V (AEP, UK) C5531-162-286-31 CERAMIC220PF10%50V (AEP, UK) C5541-162-286-31 CERAMIC220PF10%50V (AEP, UK) C5551-162-286-31 CERAMIC220PF10%50V (AEP, UK) C5561-162-286-31 CE

46、RAMIC220PF10%50V (AEP, UK) C5571-162-286-31 CERAMIC220PF10%50V (AEP, UK) C5581-162-286-31 CERAMIC220PF10%50V (AEP, UK) C5591-162-286-31 CERAMIC220PF10%50V (AEP, UK) C5601-162-282-31 CERAMIC100PF10%50V C6011-162-294-31 CERAMIC0.001uF10%50V C6021-162-306-11 CERAMIC0.01uF20%16V C6031-162-282-31 CERAMIC

47、100PF10%50V C6041-162-215-31 CERAMIC47PF5%50V C6051-126-022-11 ELECT47uF20%16V C6061-126-059-11 ELECT10uF20%50V C6511-162-294-31 CERAMIC0.001uF10%50V C6521-162-306-11 CERAMIC0.01uF20%16V C6531-162-282-31 CERAMIC100PF10%50V C6541-162-215-31 CERAMIC47PF5%50V C6551-126-022-11 ELECT47uF20%16V C6561-126-

48、059-11 ELECT10uF20%50V C7011-162-294-31 CERAMIC0.001uF10%50V C7021-104-666-11 ELECT220uF20%6.3V C7031-126-045-11 ELECT2.2uF20%50V C7041-126-052-11 ELECT100uF20%10V C7111-126-233-11 ELECT22uF20%50V C7121-126-233-11 ELECT22uF20%50V C7611-126-233-11 ELECT22uF20%50V C7621-126-233-11 ELECT22uF20%50V C8041-136-165-00 FILM0.1uF5%50V C8051-126-13