Sony-STSE570-tun-sm 电路图 维修手册.pdf

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1、SERVICE MANUAL FM STEREO FM-AM TUNER AEP Model UK Model SPECIFICATIONS ST-SE570 Ver 1.0 2001.04 9-873-834-11Sony Corporation 2001D0500-1Home Audio Company C 2001.4Shinagawa Tec Service Manual Production Group FM tuner section Frequency range87.5 - 108.0 MHz (50 kHz step) Aerial terminals75 , unbalan

2、ced IEC-male Intermediate frequency 10.7 MHz Sensitivityat 26 dB quieting (mono) 10.3 dBf, 0.9 V/75 at 46 dB quieting (stereo) 38.5 dBf, 23 V/75 Usable sensitivity (IHF) 10.3 dBf, 0.9 V/75 S/Nat 40 kHz deviation 74 dB (mono), 69 dB (stereo) Harmonic distortion0.09% (mono), 0.18% (stereo) Frequency r

3、esponse30 Hz - 15 kHz (+0.5/1.0 dB) Separation45 dB at 1 kHz Selectivityat 400 kHz 85 dB at 300 kHz 70 dB Outputat 40 kHz deviation 600 mV AM tuner section Frequency range MW:522 - 1,611 kHz (9 kHz step) LW:144 - 288 kHz (1 kHz step) Intermediate frequency 450 kHz Usable Sensitivity(with AM loop aer

4、ial) MW:200 V/m LW:700 V/m Signal-to-noise ratio MW:54 dB (50 mV/m, 999 kHz) LW:50 dB (50 mV/m, 216 kHz) Harmonic distortion0.3% (50 mV/m, 400 Hz) Selectivity50 dB General Power requirements230 V AC, 50/60 Hz Power consumption10 W Dimensions430 x 83 x 290 mm (w/h/d) Weight2.5 kg Supplied accessories

5、 Audio cord (1) AM loop antenna (1) FM wire antenna (1) EON connecting cord (1) Design and specifications are subject to change without notice. RadioFans.CN 收音机爱 好者资料库 2 ST-SE570 TABLE OF CONTENTS 1.GENERAL.3 2.DISASSEMBLY 2-1.Disassembly Flow .4 2-2.Case (407026) .4 2-3.MAIN Board .5 3.TEST MODE.6

6、4.ELECTRICAL ADJUSTMENTS.8 5.DIAGRAMS 5-1.Note for Printed Wiring Boards and Schematic Diagrams .9 5-2.Printed Wiring Boards MAIN Section . 10 5-3.Schematic Diagram MAIN Section . 11 5-4.Printed Wiring Boards DISPLAY Section . 12 5-5.Schematic Diagram DISPLAY Section . 13 5-6.IC Pin Function Descrip

7、tion . 14 6.EXPLODED VIEWS 6-1.Case Section . 16 6-2.Front Panel Section . 17 6-3.Chassis Section . 18 7.ELECTRICAL PARTS LIST. 19 SAFETY-RELATED COMPONENT WARNING! COMPONENTS IDENTIFIED BY MARK 0 OR DOTTED LINE WITH MARK 0 ON THE SCHEMATIC DIAGRAMS AND IN THE PARTS LIST ARE CRITICAL TO SAFE OPERATI

8、ON. 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 ST-SE570 SECTION 1 GENERAL This section is extracted from instruction manual. LOCATION OF CONTROLS Front Panel AUTO BETICAL SELECT qk (7, 12

9、) BAND qg (9, 10, 12) CHARACTER 7 (11) DIRECT qs (9) DISPLAY 5 (10, 11, 13) ENTER qa (9, 11, 12, 14) EON NEWS/INFO 3 (13, 14) EON TA 2 (13, 14) FM MODE qh (9, 10) MEMORY 4 (8, 11) MENU 0 (9, 11, 14) Numeric buttons qf (79) POWER 1 (7, 8, 12) PTY qj (14, 15) RETURN 9 (9) SHIFT qd (8, 11) TUNE MODE 8

10、(8, 10) TUNING/SELECT 6 (712, 14) 1234567890 12345786 90qaqsqdqfqgqhqjqk 1 FM ANTENNA terminal 2 AM ANTENNA terminals 3 LINE OUT jack 4 EON CONTROL OUT terminal Rear Panel ANTENNA LINE OUTEON CONTROL FM U 75 COAXIAL RLOUT AM 2134 RadioFans.CN 收音机爱 好者资料库 ST-SE570 4 This set can be disassembled in the

11、 order shown below. 2-1.DISASSEMBLY FLOW SECTION 2 DISASSEMBLY Note: Follow the disassembly procedure in the numerical order given. 2-2.CASE (407026) 2-2. CASE (407026) (Page 4) 2-3. MAIN BOARD (Page 5) SET 1two screws (case 3 TP2) 2two screws (case 3 TP2) 3screw (case 3 TP2) 4case (407026) ST-SE570

12、 5 2-3.MAIN BOARD 4MAIN board 2connector (CNP701) 2connector (CNP702) 2connector (CNP952) 1wire (flat type) (15 core) (CN101) 3two screws (BV/RING) 6 ST-SE570 NOTE : The preset data will be erased when this test mode is used. Therefore, take down the data before setting this mode and preset the data

13、 again after completing operations in this mode. 2. Display Tube Check and KEY Check mode 1. Turn OFF the power. 2. While pressing 1 and AUTO-BETICAL SELECT together, turn ON POWER . 3. While continuously pressing 1 and AUTO-BETICAL SELECT together, check the following. Indication test pattern The d

14、isplay changes every 1 sec. 4. Release 1 and AUTO-BETICAL SELECT . The KEY CHECK mode will be set. 5. All key numbers will be displayed. Key Number : 25 6. Each time the key is pressed, the key number will be counted down. Each key will be counted only once, at the first time. 7. When all keys have

15、been pressed, the process will end. NOTE : As contents of the Factory Preset will be written into memory after completing this check mode, delete contents of memory according to 4. Forced RESET. SECTION 3 TEST MODE 1. Circuit Check Mode Set to the reception frequency that the circuit can STEREO RDS

16、stations. (Set the input level to above 70 dB.) This enables circuit check to be performed in any of the reception modes-FM, AM (MW, LW). Set to a desired band before setting the test mode. 1. Turn OFF the power. 2. While pressing 4 and AUTO-BETICAL SELECT together, turn ON POWER . The items in the

17、following table will be checked automatically in order every 2 seconds. FM RDS DisplayItems Tuned IF Frq Sig Level Stereo RDS Signal AST signal =LOW IF COUNT OK SI LEVELh70dB ST signal=LOW RDS DATA OK DISPLAY OK or NG OK or NG OK or NG OK or NG OK or NG AM (MW, LW) OK or NG OK or NG NG IC201 NG, RV2

18、01 adjustments TB101, IC201 NG TB101 NG TB101 NG IC801 NG Microcomputer version indication (1 sec) t All light up “7F” t Dot area only “60” t Dot area only “7E” Dot area only “5F” T Dot area only “3D” T T 1 7F2 603 7E4 3D5 5F 7 ST-SE570 3. Entering the Factory Preset (In case perform just to write m

19、emory of the Factory Preset.) 1. Turn OFF the power. 2. While pressing 3 and AUTO-BETICAL SELECT together, turn ON POWER . 4. Forced RESET (Used to delete the contents of Factory Preset when it is written into the preset memory.) Clears all the RAMs and sets the initial state 1. Turn OFF the power.

20、2. While pressing 5 and AUTO-BETICAL SELECT together, turn ON POWER . 3. When “All clear” is indicated on the fluorescent display tube, it means that “Forced Reset” has been completed. 5. Language Change 1. Turn OFF the power. 2. While pressing 2, turn ON POWER . 8 ST-SE570 SECTION 4 ELECTRICAL ADJU

21、STMENTS FM Signal Level Adjustment Procedure: 1. Tune the set to 98 MHz. 2. Push the DISPLAY button for digital signal meter indication. 3. Adjust RV201 to the place where level and “70dB M” indica- tion lights on fluorescent indicator tube. Adjustment Location: MAIN BOARD Component Side FM RF signa

22、l generator set FM ANTENNA 75 coaxial (TB101) Carrier frequency : 98 MHz Modulation: 1 kHz, 40 kHz deviation Output level: 6.3 mV (76dB) (75 open) IC201 CN101 RV201 FM SIGNAL LEVEL Adjustment ST-SE570 99 SECTION 5 DIAGRAMS 5-1.NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS (In addition to thi

23、s, the necessary note is printed in each block) Note on Printed Wiring Board: X : parts extracted from the component side. : Pattern from the side which enables seeing. Indication of transistor. B These are omitted. CE Q Note on Schematic Diagram: All capacitors are in F unless otherwise noted. pF:

24、F 50 WV or less are not indicated except for electrolytics and tantalums. All resistors are in and 1/4 W or less unless otherwise specified. f: internal component. 2 : nonflammable resistor. C : panel designation. U : B+ Line. V : B Line. H : adjustment for repair. Voltages and waveforms are dc with

25、 respect to ground under no-signal (detuned) conditions. no mark : FM : Can not be measured. Voltages are taken with a VOM (Input impedance 10 M). Voltage variations may be noted due to normal produc- tion tolerances. Waveforms are taken with a oscilloscope. Voltage variations may be noted due to no

26、rmal produc- tion tolerances. Circled numbers refer to waveforms. Signal path. F: FM Note: The components identified by mark 0 or dotted line with mark 0 are critical for safety. Replace only with part number specified. Waveforms DISPLAY Board 1 IC701 qa (X2) MAIN Board 2 IC801 qf (OSCO) 4.3 Vp-p 23

27、8.6 ns 4.8 Vp-p 4.332 MHz Circuit Boards Location MAIN board TUNER (PACK) TRANSFORMER board AC SW board DISPLAY board ENCORDER board SW board ST-SE570 1010 LR LINE OUT 18 169 EE EE (CHASSIS) 13 CNJ251 EON CONTROL OUT 1 4 8 5 17 E E 18 169 98 A DISPLAY BOARD CN702 B DISPLAY BOARD CN701 MAIN BOARD 75

28、COAXIAL AM FM TUNER PACK SUPPLIED WITH THE ASSEMBLED BLOCK ANTENNA TB101 1-681-057- 11 (11) TRANSFORMER BOARD AC SW BOARD POWER 1 2 1-681-061- 11 (11) 2 1 5 1 * * NOT REPLACEABLE : BUILT IN TRANSFORMER POWER TRANSFORMER 2 1 PC901 AC IN BRN BLU 1-681-062- 11 (11) 1 5 A B C D E F 12345678910 5-2.PRINT

29、ED WIRING BOARDS MAIN Section See page 9 for Circuit Boards Location. IC301E-6 IC801B-7 IC901D-7 Q301E-8 Q302E-8 Q303E-7 Q304E-7 Q801C-8 Q901C-8 Ref. No.LocationRef. No.Location D251E-5 D901E-5 D902D-5 D903C-5 D904C-5 D905C-6 D906B-5 D907C-7 D908C-7 IC201E-9 Semiconductor Location (Page 12)(Page 12)

30、 ST-SE570 1111 D904 R905 R906 CN101 C351 L351 L352 C352 C951 CN951CNP951 CNP901 CNP952 R901 Q303Q301 Q304Q302 R316 C251R251 CNJ251 D251 CN952 R909R908 C906 D905 D906 C910 R904R903 C909C905 D902 C902 D901 C901 R902 C908 C907 D907 C911 D908 C803C806 R803R805R804 C807 R802 C802 C805 R801 C808 R104 R105

31、 C104 C103 CNP702 CNP701 IC901 R308 C308 R310 R311 R321 R306 C304 R304R302 C302 R301 C319 R305 C303 R303C301 R319R320 C307 R307 C305R309R315 R202 C205 C206C204RV201 C207 C201R201 C202 C203 C804 C801 IC301(2/2) S901 PC901 PT901 C306 Q801 X801 Q901 TB101 C101 C102 D903 R318 R317 IC301(1/2) R312 R352 C

32、NJ301IC201 R351 IC801C903 C904 11ES2 1k 1k 15P 0.001 0.001 0.001 250V2P2P 2P 5P 47k 2SD2144S-T2SD2144S-T P-UVW 2SD2144S-T2SD2144S-T P-UVW 220 0.0110 3P 1SS133T 5P 1k1k 220 50V MTZJ-T -72-27 MTZJ-T -72-6.8 10 50V 47k100k 47 16V 2200 35V 11ES2 0.01 11ES2 0.01 47k 10 50V 470 6.3V 11ES2 0.47 50V 1SS133T

33、 0.0182p 2.2k100220 47p 47 47 16V 560p 10k 2.2 50V 10k 10k 10 50V 0.01 8P 9P LA5667 4.7k 4.7 50V220 1k 10 10k 10 50V 100k100k 4.7 50V 100k 220 16V 10k 10 50V 100k4.7 50V 100100 4.7 50V 4.7k 100p220220 100 47 16V 0.010.0122k 0.1 50V 330p470 0.010.01 0.01 0.01 NJM4558D 100p 2SC1740S 4.332MHz BN1L4M 0.

34、01 10 50V 11ES2 1k 1k NJM4558D 1k 47k 2PLA1235 47k BU192447 50V 47 50V A1 A4 A1 A2 A3 A4 AA1 AA2 AA3 AA4 AA6 AA7 AA8 AA1 AA1 AA2 AA4 AA5 AA6 AA7 AA8 AA3 A2 A3 AA5 POWER CLK DATA D-IN RDS-C CE ST AST MUTE EON RDS-D SI F F GND +5V -30V G G QUAL RDDA IN VDD VDD RDCL TEST MODE GND RESET 5V-IN +5V +13V-I

35、N +13V IFIN MUTE VCC SIG. (CHASSIS) L R LINE OUT POWER AC IN *NOT REPLACEABLE: BUILT IN TRANSFORMER EON CONTROL OUT TRANSFORMER POWER MUTING MUTING MUTING MUTINGLINE AMP NULL LIMITER FM SIGNAL DETECTOR SWITCH FM DET RDS DECODER MUTING SWITCH +5V,+13V REGULATOR MUTE THE ASSEMBLED BLOCK ( ( SUPPLIED W

36、ITH (CHASSIS) AM FM 75 COAXIAL ANTENNA SCOUT CIN VSSA VREF VSSD OSCI OSCO TS7 10H 10H 5-3.SCHEMATIC DIAGRAM MAIN Section See page 9 for Waveform. See page 14 for IC Block Diagram. (Page 13) (Page 13) ST-SE570 1212 5-4.PRINTED WIRING BOARDS DISPLAY Section See page 9 for Circuit Boards Location. Semi

37、conductor Location Ref. No.Location D701B-10 D702B-10 D703A-11 D704B-2 D705A-8 IC701B-7 IC702B-8 Q701A-11 ENTERDIRECTSHIFT 0 9 87654 3 2 1 DISPLAYMEMORY FM MODEBAND EON AUTO-BETICAL SELECT 11 NEWS/INFOTA PTY (11) 1-681-058- 13 A MAIN BOARD CNP702 B MAIN BOARD CNP701 91831 30 1 100 8180 51 50 FLUORES

38、CENT INDICATOR TUBE 62 6157555045403530252015119621 + S701 715, 717 724, 727, 728 123 ENCODER BOARD 13 1-681-059- 11 (11) TUNING /SELECT SW BOARD 1-681-060- 4 1 MENURETURN TUNE MODE CHARACTER 11 (11) DISPLAY BOARD 14 13 A B C D 23456789101112 1 E (Page 10)(Page 10) ST-SE570 1313 5-5.SCHEMATIC DIAGRA

39、M DISPLAY Section See page 9 for Waveform. See page 14 for IC Pin Function Description. R704 R763 R781 CNP703CN703 CNP704CN704 CN702 CN701 R727 R726 R732 R731 R730 R729 R728 R725 R724 R723 R722 R721 R711 R712 C709 C708 C710R713 R709 C702C704 C703 D702 R703 C705C701D701 S719 R771 R770 R773 S720 S721

40、R775 R776 R777 R778 R779 R780 R762 R761 R760 R759 R758 R757 R756 C717 R752 R753 R754 R755 R750 R751 R710 D705 R702 R701 C706 C707 TP1 TP2 TP3 R707 R706 D703 D704 C713 Q701 C714 R708 R705 FL701 IC701 X701 S701 S702 S703 S704 S705 S706 S707 S708 S709 S710 S711 S712 S717 S718 R772 S722 S723 S724 R774 I

41、C702 S727 S713S714 S728 RV701 R764 S715 JW754 JW753 JW752 JW751 C711C712 47k 3.9k 1.2k 3P3P 4P4P 8P 9P 470 470 470 470 470 470 470 470 470 470 470 470 100k 100k 0.01 0.01 0.01100 100 0.0127p27p 1SS133T 10k 0.010.011SS133T 120 100 150 220 270 330 470 560 820 2.2k 1.2k 820 560 470 330 270 220p 120 150

42、 180 220 100 120 10k 1SS133T 1.5k 1.5k 0.1 47 35V 1k 22k 1SS133T 1SS133T 0.01 2SC1740S 0.47 50V 47 470k F-040-3BA 4.192MHz 120 180 NJL64H400A-1 12k 0.10.22F 5.5V K1 K2 P1 P2 P3 P4 G1 G2 G3 G4 G5 G6 G7 G8 G9 G10 G11 G12 G13 G14 G15 P1 P2 P3 P4 P5 P6 P7 P8 P9 P10 P11 P12 P13 P14 P15 P16 P17 P18 P19 P2

43、0 P21 P22 P23 P24 P25 P26 P27 P28 P29 P30 P32 P33 P31 P34 P35 P36 Z1 Z2 Z3 Z4 Z5 Z6 Z7 Z8 Z1 Z2 Z3 Z4 Z5 Z6 Z6 Z7 Z7 Z8 Z7 G1 G2 G3 G4 G5 G6 G7 G8 G9 G10 G11 G12 G13 G14 G15 P36 P35 P34 P5 P6 P7 P8 P9 P10 P11 P12 P13 P14 P15 P16 P17 P18 P19 P20 P21 P22 P23 P24 P25 P26 P29 P30 P31 P32 P33 P27 P28 Y1

44、Y2 Y3 Y4 Y5 Y6 Y7 Y8 Y1 Y2 Y3 Y4 Y5 Y6 Y7 Y8 Z9 Z10 Z9 Z10 X1 X2 X3 X1 X2 X3 K1 K2 POWER CLK DATA D-IN RDS-C CE ST AST MUTE EON RDS-D SI F F G16 P37 GND +5V -30V ENCODER P36 P35 P34 G1 G2 G3 G4 G5 G6 G7 G8 G9 G10 G11 G12 G13 G14 G15 P5 P6 P7 P8 P9 P10 P11 P12 P13 P14 P15 P16 P17 P18 P19 P20 P21 P22

45、P23 P24 P25 P26 P27 P28 P29 P30 P31 P32 P1 P2 P3 P4 FLUORESCENT INDICATOR TUBE SYSTEM CONTROL RESET SHIFT DIRECT 0 9 8 7 6 5 4 3 2 1PTY MEMORY FM MODE BAND DISPLAY AUTO-BETICAL SELECT NEWS /INFO TA EON G OUT 5V REMOTE SENSOR CHARACTER MENURETURN TUNE MODE TUNING /SELECT ENTER PD780205G (Page 11) (Pa

46、ge 11) ST-SE570 1414 36 11 25814 1415129101613 7 FM IF AMP LIMITER AF/NULL METER QUADRATURE DET AF AMP IF OFF NULL METER SHORTING LEVEL DET METER DRIVE MUTING CIRCUIT DETUNE DET GND B+ 1234 REG GND CONTROL REG 567 IC901 LA5667 ANALOG DIGITAL RCLK NC XO XI VSS2 T2 VDD2 T1 QUAL RDAT VREF MUX VDD1 VSS1

47、 VSS3 CMP 14365872 141516131211109 CLOCK PLL 57kHz RDS/ARI COMPARATOR 8th SWITCHED CAPACITOR FILTER ANTI-ALIASING FILTER BIPHASE DECODER PLL 1187.5Hz DEFFERENTIAL DECODER TEST IC801 BU1924 IC Block Diagrams MAIN Board IC201 LA1235 5-6.IC PIN FUNCTION DESCRIPTION DISPLAY BOARD IC701 (PD780205GF-040-3BA) Pin No.Pin NameI/ODescription 1VDDPower supply terminal (+5V) 2ANTNot used (open) 3ANTNot used (