Sony-STR-DE135-Service-Manual电路原理图.pdf

MICROFILM SERVICE MANUAL FM STEREO/FM-AM-RECEIVER US Model AEP Model UK Model STR-DE135 SPECIFICATIONS Photo: US model Audio power specifications (US model) POWER OUTPUT AND TOTAL HARMONIC DISTORTION With 8-ohm load, both channels driven, from 20 20,000 Hz, rated 100 watts per channel minimum RMS power, with no more than 0.09 % total harmonic distortion from 250 milli- watts to rated output. Amplifier section Stereo mode(8 ohms at 20 Hz 20 kHz less than 0.09 % total harmonic distortion) 100 W + 100 W (US model) (DIN 1 kHz, 4 ohms) 60 W + 60 W (AEP, UK models) Frequency responseTV/SAT, CD, MD/TAPE, VIDEO (US model) TV/LD, CD, MD/TAPE, VIDEO (AEP, UK models) 10 Hz 50 Hz 1 dB Inputs SensitivityImpedanceS/N CD, MD/TAPE, 150 mV 50 78 dB TV/SAT,kilohms VIDEO (US model) SensitivityImpedanceS/N CD, MD/TAPE, 150 mV 50 78 dB TV/LD,kilohms VIDEO (AEP, UK models) outputsMD/TAPE REC OUT: Voltage: 150 mV, impedance: 10 kilohms VIDEO AUDIO OUT: Voltage: 150 mV, impedance: 10 kilohms PHONES: Accepts low and high impedance headphones MutingFull mute BASS BOOST+ 10 dB at 70 Hz TONE 8 dB at 100 Hz and 10 kHz Tuner Section FM stereo, FM/AM superheterodyne tuner FM tuner section Tuning range87.5 108.0 MHz Antenna terminals75 ohms, unbalanced Intermediate frequency10.7 MHz SensitivityMono: 18.3 dBf, 4.5 V Stereo: 38.3 dBf, 45 V (US model) Mono: 18.3 dBf, 2.2 V/75 ohms Stereo: 38.3 dBf, 22.5 V/75 ohms (AEP, UK models) Usable sensitivity11.2 dBf, 2 V (IHF) (US model) 11.2 dBf, 1 V/75 ohms (IHF) (AEP, UK models) S/NMono: 76 dB Stereo: 70 dB Harmonic distortion at 1 kHzMono: 0.3 % Stereo: 0.5 % Separation45 dB at 1kHz Frequency response30 Hz 15 kHz dB Selectivity60 dB at 400 kHz AM tuner section Tuning range10 kHz interval* 530 1710 kHz 9 kHz interval 531 1710 kHz (US model) 531 1602 kHz (AEP, UK models) +0 5 2 Continued on next page RadioFans.CN 收音机爱 好者资料库 2 TABLE OF CONTENTS 1.SERVICING NOTES.3 2.GENERAL.4 3.DISASSEMBLY.5 4.TEST MODE.7 5.DIAGRAMS 5-1.Note for Printed Wiring Boards and Schematic Diagrams .9 5-2.Printed Wiring Board MAIN Board . 11 5-3.Schematic Diagram MAIN Board (1/2) . 13 5-4.Printed Wiring Boards DISPLAY Board/KEY Board/VOLUME Board/ TONE Board/POWER SWITCH Board . 15 5-5.Schematic Diagram PANEL Section . 19 5-6.Printed Wiring Boards PANEL Section . 23 5-7.Schematic Diagram MAIN Board (2/2)/SPK SWITCH Board/ SECONDARY Board/PRIMARY Board/ STANDBY TRANS Board . 25 5-8.IC Pin Function Description . 26 6.EXPLODED VIEWS. 28 7.ELECTRICAL PARTS LIST. 31 SAFETY-RELATED COMPONENT WARNING! COMPONENTS IDENTIFIED BY MARK ! OR DOTTED LINE WITH MARK ! 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. AntennaLoop antenna Intermediate frequency450 kHz Usable sensitivity50 dB/m (at 1,000 kHz) S/N54 dB (at 50 mV/m) Harmonic distortion0.5 % (50 mV/m, 400Hz) SelectivityAt 10 kHz: 40 dB At 9 kHz: 35 dB (US model) 35 dB (AEP, UK models) * You can change the AM tuning interval between 9 kHz and 10kHz. After tuning in any AM station, turn off the receiver. Hold down the PRESET TUNING + button and press the 1/u (power) button. All pre- set stations will be erased when you change the interval. To reset the interval, repeat the procedure.(US model) General SystemTuner section: PLL quartz-locked digital synthesizer system Preamplifier section: Low-noise NF type equalizer Power amplifier section: Pure-complementary SEPP Power requirements120 V AC, 60 Hz (US model) 230 V AC, 50/60 Hz (AEP, UK models) Power consumption155 W (US model) 135 W (AEP, UK models) AC outlets1 switched, total 120 W/1A Max (US, UK models) switch 100 W max (AEP model) Dimensions430 144 306 mm (17 56/8 124/8 inches) Mass (Approx.)8.1 kg (17 lb 13 oz) (US model) 6.7 kg (AEP, UK models) Supplied accessoriesFM wire antenna (1) AM loop antenna (1) Remote commander (remote) (1) Size AA (R6) batteries (2) Specifications indicated are measured at 230 V AC, 50Hz. (AEP, UK models) Design and specifications are subject to change without notice. RadioFans.CN 收音机爱 好者资料库 3 SECTION 1 SERVICING NOTES MODEL IDENTIFICATION Rear view PART No. MODELPART No. US model4-216-802-0 AEP model4-216-802-1 UK model4-216-802-2 SAFETY CHECK-OUT After correcting the original service problem, perform the follow- ing safety check before releasing the set to the customer: Check the antenna terminals, metal trim, “metallized” knobs, screws, and all other exposed metal parts for AC leakage. Check leakage as described below. LEAKAGE TEST The AC leakage from any exposed metal part to earth ground and from all exposed metal parts to any exposed metal part having a return to chassis, must not exceed 0.5 mA (500 microampers.). Leakage current can be measured by any one of three methods. 1.A commercial leakage tester, such as the Simpson 229 or RCA WT-540A. Follow the manufacturers instructions to use these instruments. 2.A battery-operated AC milliammeter. The Data Precision 245 digital multimeter is suitable for this job. 3.Measuring the voltage drop across a resistor by means of a VOM or battery-operated AC voltmeter. The “limit” indica- tion is 0.75 V, so analog meters must have an accurate low- voltage scale. The Simpson 250 and Sanwa SH-63Trd are ex- amples of a passive VOM that is suitable. Nearly all battery operated digital multimeters that have a 2 V AC range are suit- able. (See Fig. A) Fig. A.Using an AC voltmeter to check AC leakage. 1.5 k0.15 F AC voltmeter (0.75 V) To Exposed Metal Parts on Set Earth Ground 4 SECTION 2 GENERAL 1 I/u button 2 TUNING +, buttons(US model) TUNING/CHAR +, buttons (AEP, UK models) 3 NAME button(AEP, UK models) 4 PRESET/TUNING +, buttons (US model) PRESET/PTY SELECT +, buttons (AEP, UK models) 5 DISPLAY button(AEP, UK models) 6 RDS PTY button(AEP, UK models) 7 AM button(US model) RDS EON button(AEP, UK models) Location of controls Front view 8 FM button(US model) FM/AM button(AEP, UK models) 9 VIDEO button 0 TV/SAT button(US model) TV/LD button(AEP, UK models) ! MD/TAPE button ! BASS BOOST button and indicator ! SPEAKERS A, B ON/OFF buttons ! PHONES jack ! SHIFT button ! Numeric buttons ! DIRECT button ! MEMORY button(US model) MEMORY/ENTER button (AEP, UK models) ! FM MODE button TUNER button CD button VOLUME control MUTING button and indicator TREBLE control BASS control BALANCE control 3451267 ! 8 9 0 ! ! ! ! ! ! Rear view 5 CASE FRONT PANEL SECTION Note: Follow the disassembly procedure in the numerical order given. SECTION 3 DISASSEMBLY 1two tapping screws 1tapping screw 2case 1two tapping screws 2three connectors (CNP702 704) 3screw (BVTP3 8) 4claw 5front panel section 3four screws (BVTP3 8) 4claw 1two flat wires (CNS204, CNP404) 6 REAR PANEL SECTION MAIN BOARD 2connector (CNP901) 4rear panel section 3four screws (BVTP3 8) 3six screws (BVTP3 8) 1flat wire (CNS205) 2connector (CNS802) 2two connectors (CNP703, 704) 4PC board holder 2connector (CNP801) 1two flat wires (CNS204, CNP404) 5MAIN board 3three screws (BVTP3 8) 3three screws (BVTP3 8) 2connector (CNP702) 7 SECTION 4 TEST MODE Fluorescent Indicator Tube Test Mode All 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/SAT (US model)* and DIRECT simultaneously, press the 1/u button to turn the power ON. 2.All segments turn on at the same time, then each segment turns on one after another. 3.The message “FINISH” appears when this test is complete. *) AEP, UK models are TV/LD AUTO-BETICAL Check Mode (AEP, UK models) To auto-scanning and memories of RDS station. Procedure: 1.While pressing the MEMORY/ENTER button, press the 1/u button to turn the power ON. 2.The message “AUTO BET” appears and each function is se- lected one after another. AM Tuning Interval Selection Mode (US model) Either 9 kHz step or 10 kHz step can be selected for the AM tun- ing interval. Procedure: 1.Set the FUNCTION to AM. 2.Press the 1/u button to turn the power OFF. 3.While pressing the TUNING+ button, press the 1/u button to turn the power ON. 4.Either the message “9k STEP” or “10k STEP” appears. 5.Select the desired step. 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. 8 Circuit Boards Location SECTION 5 DIAGRAMS POWER SWITCH board PRIMARY board SECONDARY board STANDBY TRANS board DISPLAY board VOLUME board TONE board KEY board SPK SWITCH board MAIN board 9 10 5-1.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 Waveforms MAIN Board 1 IC1 ! (XO) Note on 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 components 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 : FM 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 normal produc- tion tolerances. Circled numbers refer to waveforms. Signal path. F: FM 1.6 Vp-p 4.33 MHz DISPLAY Board 1 IC201 # (X2) 5.4 Vp-p 4.19 MHz B These are omitted. CE Q STR-DE135 C757 (AEPUK) C707 (AEPUK) 11 12 5-2.PRINTED WIRING BOARD MAIN Board See page 8 for Circuit Boards Location. D421F-5 D710I-11 D721H-5 D722H-5 D723H-6 D724I-5 D801I-7 D802D-12 D804I-7 D820C-12 D821C-12 D822C-12 D823C-12 D951A-10 D952A-10 D953A-10 D954A-10 D955A-10 D956A-10 IC1D-1 IC401C-4 IC403E-3 IC701E-7 IC801C-6 IC802C-6 IC803B-7 IC804C-7 IC950A-7 Q303E-3 Q304D-3 Q401F-5 Q402F-5 Q451E-5 Q452F-5 Q701G-8 Q702G-8 Q703H-8 Q704F-8 Q710I-12 Q720G-7 Q721I-5 Q722H-6 Q723I-5 Q751C-8 Q752D-8 Q753E-8 Q754C-8 Q770B-7 Q801H-7 Q802C-13 Q951A-7 Semiconductor Location Ref. No.Location (Page 17) (Page 24) (Page 23) (Page 23) (Page 15) (Page 23) (Page 23) STR-DE135 5-3.SCHEMATIC DIAGRAM MAIN Board (1/2) See page 10 for Waveform. See page 21 for IC Block Diagrams. 13 14 (Page 25) (Page 25) (Page 20) (Page 19) (Page 25) The components identified by mark ! or dotted line with mark ! are critical for safety. Replace only with part number specified. STR-DE135 15 16 5-4.PRINTED WIRING BOARDS PANEL Section See page 8 for Circuit Boards Location. D201A-3 D202A-3 D203A-3 D204B-3 D223A-10 D224A-10 IC201B-6 IC202A-1 IC203B-11 Q201B-3 Q202B-3 Semiconductor Location Ref. No.Location (Page 11) (Page 17) (Page 17) STR-DE135 17 18 (Page 18) (Page 11) (Page 15) (Page 16) (Page 17) STR-DE135 19 20 5-5.SCHEMATIC DIAGRAM PANEL Section See page 10 for Waveform. See page 22 for IC Block Diagram. 100k (Page 14) (Page 13) The components identified by mark ! or dotted line with mark ! are critical for safety. Replace only with part number specified. 21 22 IC Block Diagrams MAIN Board IC1BU1922 (AEP, UK models) IC401 LC78212 QUALITY BIT GENERATOR DEFFERENTIAL DECODER BIPHASE SYMBOL DECODER OSCILLATOR AND DIVIDER 57kHz BANDPASS (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 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 CONTROL LATCH SHIFT RESISTOR LEVEL SHIFT CL DI CE VEE OUT IN OUT IN OUT IN VSS S RESET VDD OUT ININ OUT IN OUT IN IC950 NJM2103D 1 2 3 45 6 7 8 V+ VSB/SESIN VSA RESET GND OUTC VSC CR VREF + + + Q RS IC701 PC2581V 235467981 MUTE + VOUT1 VOUT1 COMP1 MF1 IN1 GND IN2 NF2 COMP2 VOUT2 + VOUT2 VCC1 VCC2 VEE PROTECTOR BIAS CIRCUIT REGDRIVE PRE DRIVE 111012131514 DRIVE PRE DRIVE DISPLAY Board IC202 BA6208 123456789 NC OUTPUT 2 Vcc GND NC INPUT 2 INPUT 1 NC MOTOR DRIVE MOTOR DRIVE REG SWITCH SWITCH OUTPUT1 STR-DE135 23 24 5-6.PRINTED WIRING BOARDS SPK SWITCH Board/SECONDARY Board/PRIMARY Board/STANDBY TRANS Board See page 8 for Circuit Boards Location. (AEP) (Page 12) (Page 24) (Page 12) (Page 12) (Page 12) (Page 12) (Page 23) 25 5-7.SCHEMATIC DIAGRAM MAIN Board (2/2)/SPK SWITCH Board/SECONDARY Board/ PRIMARY Board/STANDBY TRANS Board STR-DE135 R742 1 2k 1/2W R792 1 2k 1/2W (Page 14) (Page 14) (Page 14) The components identified by mark ! or dotted line with mark ! are critical for safety. Replace only with part number specified. 26 5-8.IC PIN FUNCTION DESCRIPTION DISPLAY BOARD IC201 PD78044FGF-115-3B9 (SYSTEM CONTROLLER, FL DRIVER) Pin No.Pin NameI/ODescription 1 to 7DIG7 to DIG1ODigit drive signal output to the fluorescent indicator tube (FL201) 8VDDPower supply terminal (+5V) 9S.CLKO Serial data transfer clock signal output to the LC78212 (IC401), PLL IC on FM/AM tuner pack “L” active 10S.DATAOSerial data output to the LC78212 (IC401), PLL IC on FM/AM tuner pack “L” active 11PLL.DATAISerial data input from the PLL IC on FM/AM tuner pack “L” active 12S.CE (LC7822)O Serial chip enable signal output to the LC78212 (IC401), PLL IC on FM/AM tuner pack “H” active 13S.CE (LV1010)OSerial chip enable signal output terminal “L” active Not used (pull down) 14REAR-RYORelay drive signal output for the rear side speaker “H”: relay on Not used (open) 15BRIDGEOBridgeable relay drive signal output terminal “H”: relay on Not used (open) 16PROTECTIOver load detect signal input from the protect circuit “L”: protect detect 17RESETI System reset signal input from the reset signal generator (IC950, Q201) “L”: reset For several hundreds msec. after the powe