Sony-STRDE235-rec-sm 电路图 维修手册.pdf

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1、MICROFILM SERVICE MANUAL FM STEREO/FM-AM RECEIVER AEP Model UK Model STR-DE235 SPECIFICATIONS Continued on next page RadioFans.CN 收音机爱 好者资料库 2 TABLE OF CONTENTS 1.GENERAL.3 2.DISASSEMBLY.4 3.TEST MODE.6 4.DIAGRAMS 4-1.Block Diagram MAIN Section (1/2) .7 4-2.Block Diagram MAIN Section (2/2) .9 4-3.Bl

2、ock Diagram DISPLAY/POWER SUPPLY Section . 11 4-4.Note for Printed Wiring Boards and Schematic Diagrams . 13 4-5.Printed Wiring Board MAIN Board . 15 4-6.Printed Wiring Boards SP SW Board/SECONDARY Board/ STANDBY Board/PRIMARY Board . 17 4-7.Schematic Diagram Main Board (1/4) . 19 4-8.Schematic Diag

3、ram Main Board (2/4)/SP SW Board . 21 4-9.Schematic Diagram Main Board (3/4) . 23 4-10. Schematic Diagram Main Board (4/4)/ SECONDARY Board/STANDBY Board/ PRIMARY Board . 25 4-11. Printed Wiring Boards PANEL Section . 27 4-12. Schematic Diagram PANEL Section . 29 4-13. Printed Wiring Boards VOLUME B

4、oard/TONE Board . 31 4-14. Schematic Diagram VOLUME Board/TONE Board . 32 4-15. IC Pin Function Description . 36 5.EXPLODED VIEWS. 38 6.ELECTRICAL PARTS LIST. 41 SAFETY-RELATED COMPONENT WARNING! COMPONENTS IDENTIFIED BY MARK ! OR DOTTED LINE WITH MARK ! ON THE SCHEMATIC DIAGRAMS AND IN THE PARTS LI

5、ST 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 1 I/u button 2 TUNING +, buttons 3 DISPLAY button 4 PRESET/PTY SELECT +, buttons 5 RDS PTYb

6、utton 6 RDS EON button 7 FM/AM button 8 VIDEO button 9 TV/LD button 0 MD/TAPE button ! SOUND FIELD + MODE, ON/OFF, MODE buttons ! SET UP button and indicator Location of controls Front view ! CINEMA indicator ! MUSIC indicator ! BASS BOOST button and indicator ! SPEAKERS A, B ON/OFF buttons ! PHONES

7、 jack ! SHIFT button Numeric buttons DIRECT button MEMORY button FM MODE button CD button TUNER button EFFECT/DELAY button and indicator CENTER button and indicator button + button # REAR button and indicator # ENTER button # NAME button and indicator # VOLUME control # MUTING button and indicator #

8、 TREBLE control # BASS control # BALANCE control 34 51267!890! ! ! ! # # # # Rear view 12 3 4567 8 90! RadioFans.CN 收音机爱 好者资料库 4 CASE FRONT PANEL SECTION Note: Follow the disassembly procedure in the numerical order given. SECTION 2 DISASSEMBLY 1two screws (case3 TP2) 1screw (case3 TP2) 1two screws

9、(case3 TP2) 2case 2three connectors (CNP702 704) 4claw 5front panel section 3screw (BVTP3 8) 3four screws (BVTP3 8) 4claw 1three flat wires (CNS204, 403, 701) SECTION 3 TEST MODE Initialization Mode All preset contents are cleared when this mode is activated. When returning the unit to the customer

10、after completing repairs, per- form this operation to clear the unit. Procedure: 1.While pressing two buttons of TUNER and MD/TAPE si- multaneously, press the 1/u button to turn the power ON. 2.The message “INITIAL” appears and initialization is per- formed. Fluorescent Indicator Tube Test Mode All

11、fluorescent segments are tested. When this test is activated, all segments turn on at the same time, then each segment turns on one after another. Procedure: 1.While pressing two buttons of TV/LD and DIRECT simul- taneously, press the 1/u button to turn the power ON. 2.All segments turn on at the sa

12、me time, then each segment and LED turns on one after another. 3.The message “FINISH” appears when this test is complete. AUTO-BETICAL Check Mode To auto-scanning and memories of RDS station. Procedure: 1.While pressing the MEMORY button, press the 1/u button to turn the power ON. 2.The message “AUT

13、O BET” appears and each function is se- lected one after another. Software Version Display Mode The software version is displayed. Procedure: 1.While pressing two the buttons of MD/TAPE and DIRECT simultaneously, press the 1/u button to turn the power ON. 2.The software version is displayed. SOUND F

14、IELD Setting Clear Mode All SOUND FIELD setting are cleared. Procedure: 1.While pressing the SOUNDFIELDON/OFF button, press the 1/u button to turn the power ON. 2.The message “SURR CLR” appears and all SOUND FIELD setting are cleared. 5 6 REAR PAENL SECTION MAIN BOARD 2connectors (CNP901) 4rear pane

15、l section 3two screws (BVTP3 8) 3seven screws (BVTP3 8) 3four screws (BVTP3 8) 1flat wire (CNS401) 2connector (CNS802) 2connector (CNP702) 2connector (CNP801) 2two connectors (CNP703, 704) 4PC board holder 3three screws (BVTP3 8) 3three screws (BVTP3 8) 5MAIN board 1three flat wires (CNS204, 403, 70

16、1) STR-DE235 7 8 SECTION 4 DIAGRAMS 4-1.BLOCK DIAGRAM MAIN Section (1/2) FUNCTION SWITCH IC401 DOLBY SURROUND PRO-LOGIC DECODER IC300 DOLBY SURROUND PASSIVE DECODER IC301 VOLUME MOTOR DRIVE IC202 SYSTEM CONTROLLER IC201 (1/2) 05 B (Page 9) C (Page 9) (Page 9) A (Page 9) SIGNAL PATH : TUNER (FM) FM/A

17、M TUNER PACK COM COM L OUTFM-ANT FM-ANT GND AM-ANT AM-ANT GND R OUT VIDEO TV/SAT R-CHR-CH S.CLK 487 1314 16 2 45 24 19 18 15 S.DATA 14 S.LAT 13 CLK47 DATA46 ENABLE OSC1 45 48 CLK2 DATA3 ENABLE4 26 25 X201 4.19MHz CENTER RCH LCH REAR 1 2 L-OUT R-OUT S-OUT C-OUT L-IN R-IN VIDEO REC TAPE REC REC COM FU

18、NC.MUTE 43 42 3 2 54 UP 8 DOWN UP DOWN VOL UP VOL DOWN 34 35 X1 X2 21SP-RLY 22SURR-RLY 16 SP-RLY SURR-RLY PROTECT 7 23 L-IN11 R-IN12 S-IN13 LC-INB39 LC-INE40 CR-OT41 CR-IN42 LS-OUT 9 10 41 40 39 38 22 2120 LEVEL SHIFT SHIFT REGISTER & LATCH CPU INTERFACE J402 (1/2) VIDEO AUDIO IN L R RV421 BASS RV42

19、2 TREBLE RV423 BALANCE R-CH TV/LD AUDIO IN L R R-CH J401 (1/2) MD/TAPE IN L R LINE AMP IC302 (1/2) LINE AMP IC404 (1/2) LINE AMP IC404 (2/2) LINE AMP IC302 (2/2) MOTOR DRIVE MUTING Q363 25 24 L-OUT R-OUT MUTING Q361 MUTING Q362 OSC MUTING Q365 ANTENNA AM FM 75 COAXIAL R-CH R-CH CD IN L RR-CH R-CH J4

20、02 (2/2) J401 (2/2) VIDEO AUDIO OUT MD/TAPE REC OUT L R R-CH L R R-CH CD R-CH 2927 23 R-CH R-CH PHONO R-CH 30 TUNER R-CH 28 MD/TAPE 24 R-CH S.DATA S.CLK S.LAT DATA CLK EN1 DATA CLK EN1 PLL DATA PLL DATA TUNED STEREO SIGNAL TUNER-MUTE AUTO-STOP 13S.CE (LV1018) 12S.CE (LC7822) 9S.CLK 10S.DATA 11PLL.DA

21、TA STEREO-IN SIGNAL TUNER-MUTE 31RDS DATA IN 46RDS CLK IN TUNED STEREO SIGNAL TUNER-MUTE DATA CLK EN2 DATA CLK EN1 EN2 DO TUNED STEREO SIGNAL DET OUT T.MUTE RDS DECODER IC1 57 kHz BAND-PASS FILTER CLOCKED COMPARATOR CONTANS LOOP VARIABLE & FIXED DIVIDER CLOCK REGENERATION & SYNC OSCILLATOR & CLOCK D

22、IFFERENTIAL DECODER BIPHASE SYMBOL DECODER X1 4.332MHz MUXCINRDDA OSCI OSCO RDCL SC OUT 1 2 1 2 4 5 6 RV404 MASTER VOLUME 3 D (Page 9) E M PROTECT STR-DE235 9 10 4-2.BLOCK DIAGRAM MAIN Section (2/2) POWER AMP IC701 (1/2) 05 B (Page 8) SIGNAL PATH : TUNER (FM) LCH SP-RLY, SURR-RLY, PROTECT SP-RLY SUR

23、R-RLY PROTECT PRE DRIVE DRIVER CENTER REAR TM601 TM701 L R BASS BOOST FILTER AMP Q452 BASS BOOST SWITCH Q401 FINAL DRIVER Q703, 704 OVER LOAD DETECT Q720 BIAS Q701, 702 NF J253 MIX AUDIO OUT (Page 8) E S70131 PHONES J741 +VOUT1 VOUT1 IN1 NF1 1 5 6 3 2 POWER AMP IC702 (1/2) C (Page 8) F (Page 11) RCH

24、 BASS BOOST PRE DRIVE DRIVER BASS BOOST FILTER AMP Q402 BASS BOOST SWITCH Q451 FINAL DRIVER Q753, 754 OVER LOAD DETECT Q770 BIAS Q751, 752 NF +VOUT1 VOUT1 IN1 NF1 5 6 3 2 POWER AMP IC701 (2/2) A (Page 8) REAR PRE DRIVE DRIVER FINAL DRIVER Q653, 654 OVER LOAD DETECT Q670 BIAS Q651, 652 NF +VOUT2 VOUT

25、2 IN2 NF2 9 8 11 12 POWER AMP IC702 (2/2) PRE DRIVE DRIVER FINAL DRIVER Q603, 604 OVER LOAD DETECT Q620 BIAS Q601, 602 NF +VOUT2 VOUT2 IN2 NF2 9 8 11 12 D (Page 8) CENTER PROTECT SWITCH Q721 723 D721 SPEAKER PROTECT RELAY DRIVE Q610 RY601 2 2 SPEAKER PROTECT RELAY DRIVE Q710 RY701 1 D725D728 D723D31

26、1, 312 D203 + + + + + S70142 SPEAKERS A ON OFF ON OFF S7013 SPEAKERS A ON OFF S70111 SPEAKERS B ON OFF S7012 SPEAKERS A ON OFF ON OFF ON OFF S70121 ONOFF S70122 ONOFF OFF ON S70112 SPEAKERS B ON OFF OFF ON A A R B B S70132 + + + + + + + L SPEAKERS FRONT IMPEDANCE USE 4 16 SPEAKERS IMPEDANCE USE 4 16

27、 STR-DE235 11 12 4-3.BLOCK DIAGRAM DISPLAY/POWER SUPPLY Section 05 B+ SWITCH Q233 REMOTE CONTROL RECEIVER IC203 FLUORESCENT INDICATOR TUBE FL201 POWER ON/OFF RELAY DRIVE Q802 BRIDGE RELAY DRIVE Q809 24V REGULATOR Q801 RECT D803 RECT D802 F (Page 9) BASS BOOST B+ SWITCH Q237 LED DRIVE Q242 RECT D820

28、823 RECT D810 813 +12V REGULATOR IC801 +5V REGULATOR IC803 RECT D814, 815 VREF AC DET LATCH +5.6V REGULATOR Q951 RESET SWITCH Q201, 202 12V REGULATOR IC802 +10V REGULATOR IC805 +5V REGULATOR IC804 +5V F1F2 Q234 236 LED DRIVE Q236 Q235Q234 D236 D241 D421 Q239 LED3 LED SELECT S201 220, 222 227, S229 2

29、31, 234 244 BRIDGE-RLY D201, 202 OUTC VSC RESET V+ VSB +12V 12V RELAY B+ +10V DOLBY SURROUND PRO-LOGIC CIRCUIT (IC300, 301) B+ +5V DISPLAY SECTION B+ +5V FM/AM TUNER PACK, RDS DECODER (IC1) B+ FUNCTION SWITCH (IC401), AUDIO LINE AMP CIRCUIT POWER AMP CIRCUIT 24V FL DRIVER (IC201) B +5V SYSTEM CONTRO

30、LLER (IC201) B+RESET SIGNAL GENERATOR, +5.6V REGULATOR IC950 B+ B 1 2 TO FL201 F1 F2 T902 POWER TRANSFORMER T901 POWER TRANSFORMER AC OUTLET SWITCHED 100W MAX CNJ903 AEP RY901 A/D-1 A/D-4 61 LED260 LED159 BASS BOOST53 37 49 44 15 POWER-RLY23 STOP47 RESET17 2 VSA 7 3 8 5 6 RY801 AC IN SYSTEM CONTROLL

31、ER, FL DRIVER IC201 (2/2) SYS-POWER SIRCS S200 (POWER) I/u D237 REAR D233 CENTER D228 BASS BOOST D236 EFFECT/ DELAY D234 SET UP D235 NAME 28 25 DIG1 DIG10 7 1, 80 78 S1 S15 77 72, 70 62 MUTING LED50 LED DRIVE Q241 D240 MUTING C.STUDIO LED39 LED DRIVE Q231 D231 CINEMA HALL LED40 LED DRIVE Q232 D232 M

32、USIC 13 14 4-4.NOTES FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS Note on Printed Wiring Board: X : parts extracted from the component side. b : Pattern from the side which enables seeing. (The other layers patterns are not indicated.) Indication of transistor. B These are omitted. CE Q Note on

33、Schematic Diagram: All capacitors 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. 2 : nonflammable resistor. C : panel designation. Note: The compon

34、ents identified by mark ! or dotted line with mark ! are critical for safety. Replace only with part number specified. U : B+ Line. V : B Line. Voltages and waveforms are dc with respect to ground under no-signal (detuned) conditions. no mark : TUNER (FM) Voltages are taken with a VOM (Input impedan

35、ce 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 normal produc- tion tolerances. Circled numbers refer to waveforms. Signal path. F: TUNER (FM) B These are omitted. CE Q Circuit Boards Loc

36、ation PRIMARY board SECONDARY board STANDBY board MAIN board DISPLAY board POWER SWITCH board SP SW board KEY board TONE board VOLUME board STR-DE235 15 16 4-5.PRINTED WIRING BOARD MAIN Board See page 14 for Circuit Boards Location. (Page 17) (Page 17) (Page 17) (Page 18) (Page 17) (Page 27)(Page 31

37、) D300G-3 D311H-7 D312H-6 D421H-6 D610B-6 D710H-11 D721G-5 D722G-5 D723H-5 D724G-5 D725G-5 D726G-5 D727H-5 D728H-5 D801H-7 D802D-12 D803E-12 D804H-7 D810B-13 D811B-13 D812B-12 D813B-12 D814B-12 D815B-12 D818C-13 D820C-12 D821C-12 D822C-12 D823C-12 IC1B-1 IC300E-3 IC301G-4 IC302F-1 IC401B-3 IC701G-7

38、IC702C-7 IC801D-5 IC802D-5 IC803A-2 IC804E-5 IC805D-3 IC950A-10 Q361H-2 Q362H-2 Q363H-2 Q365H-2 Q401H-6 Q402C-6 Q451E-7 Q452H-5 Q601C-7 Q602B-8 Q603C-8 Q604B-8 Q610B-6 Q620C-7 Q651F-8 Q652F-8 Q653F-8 Q654E-8 Q670F-8 Q701H-7 Q702H-8 Q703H-8 Q704G-8 Q710H-11 Q720G-7 Q721G-5 Q722G-6 Q723G-5 Q751D-7 Q75

39、2D-8 Q753E-8 Q754D-8 Q770D-7 Q801H-8 Q802B-13 Q809C-13 Q951A-10 Ref. No.LocationRef. No.Location Semiconductor Location (PAGE 31) STR-DE235 17 18 4-6.PRINTED WIRING BOARDS SP SW Board/SECONDARY Board/STANDBY Board/PRIMARY Board See page 14 for Circuit Boards Location. (Page 16) (Page 16) (Page 16) (

40、Page 18) (Page 16) (Page 16) (Page 17) STR-DE235 4-7.SCHEMATIC DIAGRAM MAIN Board (1/4) See page 34 for IC Block Diagram. 19 20 Waveforms MAIN Board 1 IC1 ! (OSCI) 2 IC300 $ (OSC1) (Change DOLBY Mode) 3 IC301 $ (LC-INE) 4 IC301 $ (CR-OT) 2.7 Vp-p 4.332 MHz 0.4 Vp-p 32.5 s 3.1 Vp-p 125 ns 5.4 Vp-p 4.

41、19 MHz 1.2 Vp-p 122 ns DISPLAY Board 1 IC201 # (X2) (Page 32) (Page 24) (Page 21) STR-DE235 21 22 4-8.SCHEMATIC DIAGRAM MAIN Board (2/4)/SP SW Board (Page 25) (Page 20) STR-DE235 23 24 4-9.SCHEMATIC DIAGRAM MAIN Board (3/4) See page 20 for Waveforms. See page 33 for IC Block Diagrams. (Page 29) (Pag

42、e 32) (Page 25) (Page 19) STR-DE235 25 26 4-10. SCHEMATIC DIAGRAM MAIN Board (4/4)/SECONDARY Board/STANDBY Board/PRIMARY Board See page 35 for IC Block Diagram. (Page 24) (Page 21) STR-DE235 27 28 4-11.PRINTED WIRING BOARDS PANEL Section See page 14 for Circuit Boards Location. Semiconductor Locatio

43、n (DISPLAY Board) Ref. No.Location D201A-3 D202A-3 D203A-3 D204B-3 D223B-7 D225A-7 D231B-3 D232B-2 IC201B-6 IC202A-1 IC203B-11 Q201B-3 Q202B-3 Q231B-1 Q232B-1 (Page 16) (Page 31) (Page 28) (Page 27) D228A-1 D233B-5 D234A-4 D235B-4 D236B-6 D237B-4 D240C-1 D241A-1 Semiconductor Location (KEY Board) Re

44、f. No.LocationRef. No.Location Q233A-6 Q234A-4 Q235B-3 Q236C-6 Q237A-4 Q239A-6 Q241B-1 Q242A-1 STR-DE235 29 30 4-12. SCHEMATIC DIAGRAM PANEL Section See page 20 for Waveform. See page 35 for IC Block Diagram. (Page 23) (Page 32) STR-DE235 31 32 4-13. PRINTED WIRING BOARDS VOLUME Board/TONE Board See

45、 page 14 for Circuit Boards Location. 4-14.SCHEMATIC DIAGRAM VOLUME Board/TONE Board (Page 15)(Page 15) (Page 27) (Page 29) (Page 23) (Page 19) 33 IC Block Diagrams MAIN BOARD IC1BU1924 IC300CXA8079S QUALITY BIT GENERATOR DEFFERENTIAL DECODER BIPHASE SYMBOL DECODER OSCILLATOR AND DIVIDER 57kHz BANDP

46、ASS (8th ORDER) CONTAS LOOP VARIABLE AND FIXED DIVIDER REFERENCE VOLTAGE ANTI- ALIASING FILTER CLOCKED COMPARATOR TEST LOGIC AND OUTPUT SELECTOR SWITCH RECONSTRUCTION FILTER 141516131211109 32145678 CLOCK REGENERATION AND SYNC VP1 RDCL TS7 OSCO OSCI VDDD VSSD TEST TSTLD QUAL RDDA Vref MUX VDDA VSSA CIN SCOUT 48 VCS2 VCS1 VCS-TH L+R-RCT L-R-RCT DCUT DCUT R-BPF3 R-BPF2 R-BPF1 CT-OUT2 CT-IN2 MIXOUT C-OUT S-OUT R-OUT L-OUT VCC CM-CAP FCC-IN2 ENABLE DATA CLK OSC1 NS-BPF1 NS-BPF2 VREF S-DCUT C-DCUT L-DCUT R-DCUT VREF-BUF L-IN R-IN GND CT-OUT1 CT-IN1 FCC-IN1 L-BPF1 L-BPF2 L-BPF3 DCUT DCUT R-