Sony-FRSPSY4-pr-sm 电路图 维修手册.pdf

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1、MICROFILM SERVICE MANUAL FM STEREO/AM PLL SYNTHESIZED RADIO US Model SPECIFICATIONS SRF-PSY04 Photo: Blue model Ver 1.0 1999. 06 RadioFans.CN 收音机爱 好者资料库 2 TABLE OF CONTENTS 1.GENERAL.3 2.DISASSEMBLY.4 3.ELECTRICAL ADJUSTMENTS.5 4.DIAGRAMS 4-1.Block Diagram .7 4-2.Printed Wiring Boards.9 4-3.Schemati

2、c Diagram . 11 4-4.IC Pin Function Description . 15 5.EXPLODED VIEW. 16 6.ELECTRICAL PARTS LIST. 17 Notes on chip component replacement Never reuse a disconnected chip component. Notice that the minus side of a tantalum capacitor may be dam- aged by heat. CF3 CF1 mark MarkCenter frequency red10.70 M

3、Hz blue10.67 MHz orange10.73 MHz black10.64 MHz white10.76 MHz HOW TO CHANGED THE CERAMIC FILTERS This model is used two ceramic filters of CF1 and CF3. You must use same type of color marked ceramic filters in order to meet same specifications. Therefore, the ceramic filter must be changed two piec

4、es together since its supply two pieces in one package as a spare parts. RadioFans.CN 收音机爱 好者资料库 3 SECTION 1 GENERAL This section is extracted from instruction manual. RadioFans.CN 收音机爱 好者资料库 4 FRONT CABINET MAIN BOARD, KEY BOARD SECTION 2 DISASSEMBLY Note: Follow the disassembly procedure in the nu

5、merical order given. 4front cabinet 3two claws 1lid, battery case 2two screws (P2 8) 3two claws 1two claws 2KEY board 2MAIN board 5 SECTION 3 ELECTRICAL ADJUSTMENTS AM IF ADJUSTMENT Adjust for a maximum reading on level meter T1450 kHz AM FREQUENCY COVERAGE ADJUSTMENT Adjustment PartFrequency Displa

6、yReading on Digital Voltmeter L5530 kHz2.7 0.1V Confirmation1,710 kHz8.9 1V AM TRACKING ADJUSTMENT Adjust for a maximum reading on level meter L2580 kHz CT11,490 kHz FM VCO VOLTAGE CONFIRMATION Frequency DisplayReading on Digital Voltmeter 87.5 MHz2.7 0.1V 108 MHz8.9 1V FM TRACKING ADJUSTMENT Adjust

7、 for a maximum reading on level meter L387.5 MHz CT2108 MHz 0 dB=1 V AM Setting: BAND switch: AM FM Setting: BAND switch:FM FM SENS switch: DX Repeat the procedures in each adjustment several times, and the tracking adjustments should be finally done by the trimmer ca- pacitors. Adjustment Location:

8、 Main Board (See page 6) FM RF signal generator 22.5 kHz frequency deviation by 400 Hz signal Output level: as low as possible + level meter 2 (headphones) jack (J1) set MAIN board TP (ANT) 16 0.01 F + digital voltmeter MAIN board TP (VT) FM STEREO (76 kHz) Adjustment Setting: BAND switch:FM FM SENS

9、 switch: DX Procedure: 1.Connect the frequency counter to TP (76 kHz) as shown the figure below. 2.Tune the set to 98 MHz. 3.Adjust RV1 for 76 kHz reading on the frequency counter. Specification: 75.5 to 76.5 kHz Adjustment Location: MAIN board (See page 6) 0.01 F MAIN board TP (ANT) set FM RF signa

10、l generator Carrier frequency : 98 MHz Modulation: 1 kHz, 22.5 kHz deviation Output level: 562 V (55 dB) + MAIN board TP (76 kHz) + 1 F frequency counter AM RF signal generator 30% amplitude modulation by 400 Hz signal Output level: as low as possible Put the lead-wire antenna close to the set. + le

11、vel meter set 16 2 (headphones) jack (J1) 6 MAIN BOARD (Component Side) Adjustment Location: MAIN BOARD (Conductor Side) IC2 IC1 J1 RV1 FM Stereo (76 kHz) Adjustment L5 AM Frequency Coverage Adjustment CT2 L3 FM Tracking Adjustment T1 AM IF Adjustment L2CT1 AM Tracking Adjustment L1 L4 IC1 TP (76 kH

12、z)TP (ANT)TP (VT) SRF-PSY04 7 8 SECTION 4 DIAGRAMS 4-1.BLOCK DIAGRAM 18 20 1613 19 2422 FM FRONT-END FM IF AMP/ DISCRI DECODER AMP SWITCH POWER AMP REGULATOR 1/2 COUNTER 1/2 COUNTER AM IF AMP/ DET TUNING INDICATOR PD1 VCO PD2 AM FRONT-END 14 FM RF IN FM/AM MIX OUT CF3 10.7MHz CF1 10.7MHz SYSTEM CONT

13、ROLLER, LIQUID CRYSTAL DISPLAY DRIVER, KEY CONTROL IC101 CF2 450kHz FM RF 26 FM DISCRI FM IF IN 6 721 5 L-CH OUT R-CH OUT 4 2729123 ST IND AM IF IN PILOT DET LPF2 12 TUNE IND 9 AFC1/AGC 15 BAND SELECT PILOT DET LPF1 PLL LPF1 PLL LPF2 VCO AM OSC FM OSC AM RF IN FM/AM FRONT-END, FM/AM DET, MPX IC1 RV1

14、 FM STEREO (76kHz) L5 AM FREQUENCY COVERAGE CT2, L3 FM TRACKING S1 FM SENS T1 AM IF CT1, L2 AM TRACKING L.P.F. B.P.F. FM VCO BUFFER Q1 FM/AM BAND SELECT SWITCH Q2 LIQUID CRYSTAL DISPLAY LCD101 VOLTAGE DETECT IC102 B+ SWITCH Q103, 104 DC/DC CONVERTER Q106, 107, T101 LOW-PASS FILTER Q101, 102 SIGNAL P

15、ATH : FM : AM 05 POWER AMP MUTE CONTROL KEY MATRIX S101 111 PC0 PC3PB0 PB2 X1 75kHz SYSTEM CONTROLLER (IC101) B+ FM/AM TUNER (IC1), HEADPHONE AMP (IC2) B+ PLL LOW-PASS FILTER CIRCUIT B+ D102 1 2 HEADPHONE AMP IC2 2 4 IN1 IN2 9 7 OUT1 OUT2 B+VREF CT1 D1-1 L2 AM FERRITE-ROD ANTENNA L3 FM RF POWER XOUT

16、 XIN CE MT/SW REG VCC EO VCOL VCOH BAND 1213911 10 MUTE 10 BEEP 67181916 DX LOCAL D1-2D3 CT2 D2 L5 AM OSC L4 FM OSC RV2 VOL J1 (HEADPHONE) 2 DRY BATTERY SIZE “AAA” (IEC DESIGNATION R03) 2PCS. 3V 37, 38, 12 5 COM0 COM3 32 29 LCD0 LCD8 28 20 + + SRF-PSY04 11 12 Note on Schematic Diagram: All capacitor

17、s are in F unless otherwise noted. pF: 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. : internal component. C : panel designation. U : B+ Line. H : adjustment for repair. Power voltage is dc 3 V and fed wit

18、h regulated dc power supply from battery terminal. Voltages and waveforms are dc with respect to ground under no-signal (detuned) conditions. 4-3.SCHEMATIC DIAGRAM See page 13 for Waveforms. See page 14 for IC Block Diagrams. no mark : FM () : AM : POWER OFF Voltages are taken with a VOM (Input impe

19、dance 10 M). Voltage variations may be noted due to normal production toler- ances. Waveforms are taken with a oscilloscope. Voltage variations may be noted due to normal production toler- ances. Circled numbers refer to waveforms. Signal path. F: FM f: AM 13 14 Waveforms KEY Board 1 IC101 ! XOUT 50

20、0 mV/DIV, 10 s/DIV 2 IC101 ! XIN 500 mV/DIV, 10 s/DIV 3 T101 10 V/DIV, 200 ns/DIV 4 Q106 Collector 2 V/DIV, 200 ns/DIV 5 Q106 Base, Q107 Collector 200 mV/DIV, 200 ns/DIV 1.2 Vp-p 13.3 s 2 Vp-p 13.3 s 34 Vp-p 424 ns 5.2 Vp-p 320 ns 616 mVp-p 320 ns IC Block Diagrams MAIN Board IC1CXA1238M-T6 VCO REGU

21、LATOR FM FRONT-END AM FRONT-END MPX REGULATOR MONO/STEREO SELECT DECORD AMP MUTING AUTO BLEND TUNING INDICATOR AM IF/ DET FM IF/ DISCRI RIPPLE FILTER BAND-PASS MUTE 1 272829302425262122231819201617 23456789 PLL LPF1 PILOT DET LPF2 PILOT DET LPF2 ST IND/VCO CHECK L-CH OUT VCC R-CH OUT RIPPLE FILTER A

22、GC AFC1 10 AGC AFC2 13 FM IF IN 14 AM IF IN 15 BAND SELECT 11 GND 12 TUNE IND 1/2 COUNTER 1/2 COUNTER PD1 PD2 FM/AM FE OUT FM GND FM RF IN AM RF IN FM RF REG FM OSC AFC AM OSC MUTE FM DISCRI GND PLL LPF2 MPX REG VCO IC2LA4533M MT/SW OUT1 POWER GND OUT2 VCC P/SW IN1 PRE GND IN2 REF 1 2 3 4 5 10 9 8 7

23、 6 POWER AMP POWER AMP MUTE CONTROL POWER SWITCH BIAS 15 4-4.IC PIN FUNCTION DESCRIPTION Pin No.Pin NameI/ODescription 1PB2IKey return signal input for the key matrix 2 to 5PC0 to PC3OKey scan signal output for the key matrix 6BEEPOBeep sound drive signal output terminal 7BANDOFM/AM band selection s

24、ignal output terminal “L”: FM, “H”: AM 8BCHKNot used (open) 9POWEROPower on/off control signal output for the radio system power supply “H”: power on 10MUTEOMuting on/off control signal output to the headphone amplifier (IC2) “L”: muting on 11CEIPower failure detection signal input from the voltage

25、detect (IC102) Normally: “H” 12XOUTOSystem clock output terminal (75 kHz) 13XINISystem clock input terminal (75 kHz) 14VDDPower supply terminal (+3V) 15GNDGround terminal 16EOOPLL error signal output terminal 17VREGPower supply terminal (connected to the coupling capacitor) 18VCOHIFM VCO input termi

26、nal 19VCOLIAM VCO input terminal 20 to 28LCD8 to LCD0OSegment drive signal output to the liquid crystal display (LCD101) 29 to 32COM3 to COM0OCommon drive signal output to the liquid crystal display (LCD101) 33VLCD1 34C1 35C0 36VLCD0 37, 38PB0, PB1IKey return signal input for the key matrix KEY BOAR

27、D IC101 PD17015GS-520-GJG (SYSTEM CONTROLLER, LIQUID CRYSTAL DISPLAY DRIVER, KEY CONTROL) Terminal for doubler circuit capacitor connection to develop liquid crystal display drive voltage 16 SECTION 5 EXPLODED VIEW Items marked “*” are not stocked since they are seldom required for routine service.

28、Some delay should be anticipated when ordering these items. The mechanical parts with no reference num- ber in the exploded views are not supplied. Accessories 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 di

29、fference from the original one. Color Indication of Appearance Parts Example: KNOB, BALANCE (WHITE) . . . (RED) Parts Color Cabinets Color Ref. No.Part No.DescriptionRemarkRef. No.Part No.DescriptionRemark 13-925-196-21 CABINET (REAR) (BLUE) 13-925-196-31 CABINET (REAR) (VIOLET) 2A-3679-692-A MAIN B

30、OARD, COMPLETE 33-925-201-01 SPRING (+), BATTERY 43-925-198-11 PLATE, TRANSPARENT (for BLUE) 43-925-198-21 PLATE, TRANSPARENT (for VIOLET) 53-925-195-11 CABINET (FRONT) (BLUE) 53-925-195-21 CABINET (FRONT) (VIOLET) 61-762-412-21 SWITCH, RUBBER KEY (BLUE).(VIOLET) 61-762-412-31 SWITCH, RUBBER KEY (VI

31、OLET).(BLUE) 73-925-192-01 SPRING (), BATTERY 8A-3679-693-A KEY BOARD, COMPLETE 93-925-197-11 LID, BATTERY CASE (BLUE) 93-925-197-21 LID, BATTERY CASE (VIOLET) 103-925-193-01 SPRING (+/), BATTERY 117-685-105-14 TAPPING +P 2X8 NON-SLIT 123-037-724-01 GUARD (YELLOW). (BLUE) 123-037-724-11 GUARD (BLUE)

32、. (VIOLET) 133-028-093-01 CLIP 143-036-709-01 CHAIN 4 5 6 3 7 8 2 1 11 9 14 10 12 13 not supplied 17 KEY MAIN Ref. No.Part No.DescriptionRemarkRef. No.Part No.DescriptionRemark SECTION 6 ELECTRICAL PARTS LIST NOTE: Due to standardization, replacements in the parts list may be different from the part

33、s 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. RESISTORS All resistors are in ohms. METAL: Metal-film resistor. METAL OXIDE: Metal oxide-film resistor. F: nonflammable Items marked “*” are n

34、ot 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 example: uA. .: A. .uPA. . : PA. . uPB. . : PB. .uPC. . : PC. . uPD. . : PD. . CAPACITORS uF: F COILS uH: H *A-3679-693-A KEY BOARD, COMP

35、LETE * C1011-163-009-11 CERAMIC CHIP0.001uF10%50V C1021-163-031-11 CERAMIC CHIP0.01uF50V C1031-164-336-11 CERAMIC CHIP0.33uF25V C1041-163-251-11 CERAMIC CHIP100PF5%50V C1051-163-038-00 CERAMIC CHIP0.1uF25V C1061-163-031-11 CERAMIC CHIP0.01uF50V C1071-164-346-11 CERAMIC CHIP1uF16V C1081-163-229-11 CE

36、RAMIC CHIP12PF5%50V C1091-163-251-11 CERAMIC CHIP100PF5%50V C1101-163-239-11 CERAMIC CHIP33PF5%50V C1111-163-038-00 CERAMIC CHIP0.1uF25V C1121-163-031-11 CERAMIC CHIP0.01uF50V C1131-163-038-00 CERAMIC CHIP0.1uF25V C1151-163-133-00 CERAMIC CHIP470PF5%50V C1161-163-133-00 CERAMIC CHIP470PF5%50V C1171-

37、163-133-00 CERAMIC CHIP470PF5%50V C1181-163-031-11 CERAMIC CHIP0.01uF50V C1191-164-346-11 CERAMIC CHIP1uF16V C1211-124-261-00 ELECT10uF20%50V C1221-163-235-11 CERAMIC CHIP22PF5%50V C1231-163-031-11 CERAMIC CHIP0.01uF50V C1241-163-038-00 CERAMIC CHIP0.1uF25V C1251-126-518-11 ELECT470uF20%4V C1261-124

38、-434-00 ELECT220uF20%4V C1271-163-031-11 CERAMIC CHIP0.01uF50V D1028-719-988-61 DIODE 1SS355TE-17 D1038-719-977-40 DIODE DTZ-TT11-13 IC1018-759-343-08 IC uPD17015GS-520-GJG IC1028-759-542-36 IC S-80720AL-AH-T1 JC1011-216-295-00 SHORT0 LCD101 1-810-932-11 DISPLAY PANEL, LIQUID CRYSTAL Q1018-729-120-2

39、8 TRANSISTOR2SC1623-L5L6 Q1028-729-120-28 TRANSISTOR2SC1623-L5L6 Q1038-729-141-48 TRANSISTOR2SB624-BV345 Q1048-729-027-60 TRANSISTORDTC144TKA-T146 Q1068-729-120-28 TRANSISTOR2SC1623-L5L6 Q1078-729-120-28 TRANSISTOR2SC1623-L5L6 R1011-216-073-00 METAL CHIP10K5%1/10W R1021-216-097-00 RES, CHIP100K5%1/1

40、0W R1031-216-073-00 METAL CHIP10K5%1/10W R1041-216-049-11 RES, CHIP1K5%1/10W R1051-216-073-00 METAL CHIP10K5%1/10W R1061-216-017-00 RES, CHIP475%1/10W R1071-216-097-00 RES, CHIP100K5%1/10W R1091-216-057-00 METAL CHIP2.2K5%1/10W R1101-216-057-00 METAL CHIP2.2K5%1/10W R1111-216-057-00 METAL CHIP2.2K5%

41、1/10W R1131-216-049-11 RES, CHIP1K5%1/10W R1141-216-017-00 RES, CHIP475%1/10W R1151-216-089-00 RES, CHIP47K5%1/10W R1161-216-097-00 RES, CHIP100K5%1/10W R1171-216-089-00 RES, CHIP47K5%1/10W R1191-216-113-00 METAL CHIP470K5%1/10W T1011-449-138-11 TRANSFORMER, DC-DC CONVERTER X11-567-769-11 VIBRATOR,

42、CRYSTAL (75kHz) * *A-3679-692-A MAIN BOARD, COMPLETE * C11-163-251-11 CERAMIC CHIP100PF5%50V C41-163-141-00 CERAMIC CHIP0.001uF5%50V C51-163-141-00 CERAMIC CHIP0.001uF5%50V C61-163-092-00 CERAMIC CHIP9PF0.25PF 50V C71-163-085-00 CERAMIC CHIP2PF50V 18 Ref. No.Part No.DescriptionRemarkRef. No.Part No.

43、DescriptionRemark MAIN C81-163-031-11 CERAMIC CHIP0.01uF50V C91-163-129-00 CERAMIC CHIP330PF5%50V C101-163-227-11 CERAMIC CHIP10PF0.5PF50V C111-163-009-11 CERAMIC CHIP0.001uF10%50V C121-101-004-00 CERAMIC0.01uF50V C131-104-396-11 ELECT10uF20%16V C141-126-163-11 ELECT4.7uF20%50V C151-104-396-11 ELECT

44、10uF20%16V C161-164-005-11 CERAMIC CHIP0.47uF25V C171-126-163-11 ELECT4.7uF20%50V C181-163-031-11 CERAMIC CHIP0.01uF50V C191-126-163-11 ELECT4.7uF20%50V C201-104-942-11 ELECT1uF20%50V C211-163-113-00 CERAMIC CHIP68PF5%50V C221-163-031-11 CERAMIC CHIP0.01uF50V C231-126-382-11 ELECT100uF20%6.3V C241-1

45、63-033-00 CERAMIC CHIP0.022uF50V C251-163-033-00 CERAMIC CHIP0.022uF50V C261-104-942-11 ELECT1uF20%50V C271-124-257-00 ELECT2.2uF20%50V C281-124-257-00 ELECT2.2uF20%50V C311-104-396-11 ELECT10uF20%16V C321-124-635-00 ELECT220uF20%6.3V C331-164-004-11 CERAMIC CHIP0.1uF10%25V C341-164-004-11 CERAMIC C

46、HIP0.1uF10%25V C351-126-382-11 ELECT100uF20%6.3V C361-126-382-11 ELECT100uF20%6.3V C381-163-038-00 CERAMIC CHIP0.1uF25V C391-163-031-11 CERAMIC CHIP0.01uF50V C981-101-004-00 CERAMIC0.01uF50V CF11-577-324-11 FILTER, CERAMIC (10.7MHz) CF21-577-072-21 FILTER, CERAMIC (450kHz) CF31-577-324-11 FILTER, CE

47、RAMIC (10.7MHz) CT11-141-304-21 CAP, TRIMMER10PF CT21-141-304-21 CAP, TRIMMER10PF D18-719-945-31 DIODE SVC341-L D28-713-100-11 DIODE 1T362 D38-713-100-11 DIODE 1T362 D48-719-800-76 DIODE 1SS226 IC18-752-062-48 IC CXA1238M-T6 IC28-759-802-75 IC LA4533M J11-770-894-11 JACK (2 (HEADPHONES) JC11-216-295-00 SHORT0 L11-428-772-11 COIL, AIR-CORE L21-501-781-11 ANTENNA, FERRITE-ROD (AM) L31-411-529-11 COIL, AIR-CORE (FM RF) L41-428-817-11 COIL, AIR-CORE (FM OSC) L51-406-485-11 COIL (AM OSC) L61-411-393-11 COIL, TRAP