Sony XR-4758RDS Service Manual Download

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MICROFILM

UK Model

SERVICE MANUAL

FM/MW/LW CASSETTE CAR STEREO

SPECIFICATIONS

Model Name Using Similar Mechanism

XR-3740

Tape Transport Mechanism Type

MG-52A-135

XR-4758RDS/4759RDS

Photo: XR-4759RDS

Summary of Contents for XR-4758RDS

Page 1: ...MICROFILM UK Model SERVICE MANUAL FM MW LW CASSETTE CAR STEREO SPECIFICATIONS Model Name Using Similar Mechanism XR 3740 Tape Transport Mechanism Type MG 52A 135 XR 4758RDS 4759RDS Photo XR 4759RDS ...

Page 2: ...g Board KEY Section 27 6 5 Schematic Diagram KEY Section 29 7 EXPLODED VIEWS 34 8 ELECTRICAL PARTS LIST 38 SERVICING NOTES Flexible Circuit Board Repairing Keep the temperature of the soldering iron around 270 C dur ing repairing Do not touch the soldering iron on the same conductor of the circuit board within 3 times Be careful not to apply force on the conductor when soldering or unsoldering Not...

Page 3: ... 3 SECTION 1 GENERAL This section is extracted from instruction manual ...

Page 4: ...he disassembly procedure in the numerical order given FRONT PANEL ASS Y SECTION 2 DISASSEMBLY 1 Push the button release A 2 Remove the front panel ass y to the direction of the arrow A COVER ASS Y 2 1 3 cover ass y 1 2 ...

Page 5: ...w PTT2 6 6 6 mechanism deck MG 52A 135 4 flexible flat cable CN351 1 three screws PTT2 6 6 2 sub panel 3 connector CN352 1 screw PTT2 6 6 3 main board 1 two screws PTT2 6 6 2 two ground point screws 4 six screws PTT2 6 8 SUB PANEL MECHANISM DECK MG 52A 135 ...

Page 6: ...the numerical order given ALIGNMENT OF FRONT SWITCH GEAR LDGE 2 Install the gear LDG E 1 Align hole as shown in the figure 1 Align mark on the rotary switch the position shown in the figure chassis S ass y 2 Align hole in the gear LDG D with the position shown in the figure hole ...

Page 7: ...on the rotary switch with hole in the lever mode 2 Fit on positions A B and C and install the lever mode LEVER MODE hole in lever mode mark on rotary switch lever mode rotary switch A B C 2 screw PS2 4 1 chassis S ass y 2 screw PS2 4 ...

Page 8: ...5 step screw HP 2 Fit shaft in groove ATS lever 1 Fit in groove 3 Press the ATS lever 4 Position the head plate sub ass y as shown in the figure groove LEVER PINCH SELECTION HEAD PLATE ASS Y 1 Align 2 lever pich selection ...

Page 9: ...ll the spring pinch press to shaft A Set the ends of spring to B and C HOUSING 2 Install the hanger on to two claws of the housing 1 Install the catch to the hanger 7 Holder the hanger by bending the claw A part B part C part D part 8 Holder the hanger by bending the claw 3 Put the housing under A part 4 Fit claw on B part 6 Fit projections on D part 5 Fit projections on C part hanger ...

Page 10: ...stall it shaft A shaft B shaft C 3 two type E stop ring 2 0 2 Fit the lever LDG B on shafts A and B and install shaft A shaft B LEVER LDG A LDG B 2 Move the arm suction in the arrow direction and fit on projection 1 Fit the arm suction on the shaft projection ...

Page 11: ...he gear LDG D with mark on the lever LDG A gear LDG FB hole gear LDG D gear LDG A 3 Move the lever LDG B in the arrow direction 1 gear LDG A 2 tension spring lever LDG 5 gear LDG FT 6 polyethylene washer GUIDE C 2 guide C 1 three claws ...

Page 12: ...izer 3 Do not use a magnetized screwdriver for the adjustments 4 The adjustments should be performed with the power supply voltage 14 4 V unless otherwise noted Torque Measurement Mode Torqu Meter Meter Reading Forward CQ 403A more than 60 g Reverse CQ 403R more than 2 12 oz Tape Tension Measurement TEST MODE This set have the test mode function In the test mode FM Auto Scan Stop Level and MW Auto...

Page 13: ... a new one be cause its internal block is difficult to repair FM Auto Scan Stop Level Adjustment Setting SOURCE button FM Procedure 1 Set to the test mode See page 12 2 Push the SOURCE button and set to FM Display 3 Push the preset 3 button Display FM INTRO REG INTRO REG FM 4 Ω 4 Adjust with the volume RV2 on TU1 so that the FM indica tion turns to FM0 indication on the display window But in case ...

Page 14: ...indow But in case of already indicated MW0 turn the RV1 so that put out light 0 indication and adjustment Display 4 Push the preset 3 button Display Adjustment Location See page 15 FM Signal Meter Adjustment Setting SOURCE button FM FM RF signal generator Carrier frequency 98 00 MHz Output level 35 dB 56 2 µV Mode mono Modulation no modulation 0 01 µF set antenna jack J1 Procedure 1 Set to the tes...

Page 15: ...Adjustment Location SET UPPER VIEW TU1 RV1 MW Auto Scan Stop Level Adjustment RV2 FM Auto Scan Stop Level Adjustment RV4 FM Stereo Separation Adjustment Tape Speed Adjustment RV1 FM Signal Meter Adjustment ...

Page 16: ...ectrical volume 21 TAPEMUT O Tape muting control pin At muting H 22 LMLOD O Loading motor control pin loadig direction 23 LMEJ O Loading motor control pin eject direction 24 AMSON O At AMS L 25 N ROUT O Forward reverse control pin 26 AMSIN I Tape music with without detection pin L with music 27 PLLSO O PLL data output pin 28 PLLCKO O PLL clock output pin 29 PLLCE O PLL chip enable output pin 30 RD...

Page 17: ...ignal meter voltage detection pin A D input 58 AVREF A D reference voltage input pin 59 AVSS GND 60 GND GND 61 BUSON O BUS ON control signai output pin for SONY BUS 62 SYSRST O System reset signal output pin 63 SEKOUT O SEEK control signal output pin 64 TUNON O Tuner power supply control pin 65 FM ON O FM power supply control pin 66 MUT O System muting control pin At muting H 67 AF SEK O AF seek c...

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Page 21: ...ULAS PRESCALER 12BIT PROGRAMABLE COUNTER AMP AMP AMP RIPPLE FILTER 18BIT 18BIT 22BIT 40BIT SHIFT RESISTER REF VCC SIG SEEK RECP 4BIT SWALLOW COUNTER PSC N DATA IC3 TDA7330BD 013TR COSTAS LOOP PLL 57kHz PHASE DECODER DIFF DECODER CLOCK RECOVERY PLL 1 4675kHz ON OFF OSCILLATOR fx DIVIDER TEST LOGIC 8th ORDER SC BANDPASS FILTER 2nd ORDER ANTIALIAS FILTER 20 19 18 17 16 15 14 13 12 11 10 9 8 6 7 3 4 5...

Page 22: ...M LVRIN IC351 CXA2509AQ T4 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 12 11 21 22 23 26 27 28 29 30 31 32 33 34 37 38 39 40 24 25 PBFB1 PBRIN1 PBREF1 PBFIN1 35 36 PBGND VCT PBFIN2 PBREF2 PBRIN2 PBFB2 PBEQ1 PBOUT1 VCC TAPEIN1 AUXIN1 MSLPF LINEOUT1 NC NC G2FB G1FB MSTC DGND MSOUT NC NC INSW TAPESW MSMODE DRSW MSSW NC NC LINEOUT2 DIREF AUXIN2 TAPEIN2 PBEQ2 PBOUT2 GND F2 120µ 70µ X1 X1 VCT F1 120µ 7...

Page 23: ... 33 IC601 BA3918 V2 OVER VOLTAGE PROTECT REGULATOR 1 2 3 4 5 6 7 8 9 10 12 11 NC MODE2 MODE1 STB VDD AMP VCC ANT COM AM FM GND ...

Page 24: ...cription Remark Ref No Part No Description Remark 1 3 009 294 01 PANEL SUB 2 3 913 076 01 SPRING C DOOR TORSION 3 3 918 583 31 DOOR CASSETTE XR 4758RDS 3 3 918 583 41 DOOR CASSETTE XR 4759RDS 4 X 3367 636 1 LOCK ASSY 5 3 011 295 01 INSULATOR MAIN 6 A 3309 942 A MAIN BOARD COMPLETE XR 4759RDS 6 A 3309 949 A MAIN BOARD COMPLETE XR 4758RDS 7 3 915 923 01 SCREW GROUND POINT 8 X 3373 505 1 COVER ASSY 9...

Page 25: ... PANEL SUB ASSY XR 4759RDS 57 X 3373 701 1 PANEL SUB ASSY XR 4758RDS 58 3 009 300 01 BUTTON SOURCE 59 3 009 867 01 BUTTON L 3 SEEK AMS 0 r OFF SEL MUTE 61 3 010 473 01 BUTTON 1 3 6 1 2 3 62 3 010 474 11 BUTTON 4 6 4 5 6 63 3 009 314 01 BUTTON R 2 PTY AF TA r SENS 64 3 010 282 01 PLATE LCD GROUND 65 3 012 669 01 SHEET REFLECTOR 66 3 009 302 01 PLATE LCD LIGHT GUIDE 67 3 009 303 01 HOLDER LCD 68 3 0...

Page 26: ...675 01 BELT 52 102 3 928 673 01 LEVER LDG A 103 3 928 674 01 LEVER LDG B 104 3 933 341 01 SPRING LEVER LDG TENSION 105 3 928 671 01 HOUSING 106 3 933 347 01 ARM SUCTION 107 3 933 340 01 HANGER 108 3 933 346 01 CATCHER 109 3 933 344 01 GUIDE C 110 3 341 753 11 WASHER POLYETHYLENE 111 3 933 335 01 GEAR LDG FT 112 3 928 667 01 GEAR LDG A M901 A 3291 665 A MOTOR ASSY MAIN CAPSTAN REEL ...

Page 27: ...03 1 LEVER GEAR ASSY 177 X 3371 713 2 LEVER PINCH ASSY 178 X 3371 706 2 ARM HANGER ASSY HP901 1 500 157 21 HEAD MAGNETIC PLAYBACK M902 A 3291 664 A MOTOR ASSY SUB LOADING TAPE OPERATION S901 1 692 885 11 SWITCH ROTARY SLIDE TAPE OPERATION 151 X 3371 710 1 CHASSIS S ASSY 152 3 933 337 01 SPRING B T R CONE COIL 153 3 701 437 01 POLY SLIDER A 154 3 933 333 01 GEAR LDG E 155 3 933 339 01 SPRING B T F ...

Page 28: ...P 1 5K 5 1 10W R906 1 216 053 00 METAL CHIP 1 5K 5 1 10W R907 1 216 057 00 METAL CHIP 2 2K 5 1 10W R908 1 216 061 00 METAL CHIP 3 3K 5 1 10W R909 1 216 065 00 METAL CHIP 4 7K 5 1 10W R921 1 216 045 00 METAL CHIP 680 5 1 10W R922 1 216 045 00 METAL CHIP 680 5 1 10W R923 1 216 045 00 METAL CHIP 680 5 1 10W R924 1 216 049 11 METAL CHIP 1K 5 1 10W R925 1 216 053 00 METAL CHIP 1 5K 5 1 10W R926 1 216 0...

Page 29: ...6 157 11 ELECT 10uF 20 16V XR 4759RDS C101 1 163 037 11 CERAMIC CHIP 0 022uF 10 25V C102 1 126 160 11 ELECT 1uF 20 50V C103 1 126 160 11 ELECT 1uF 20 50V C111 1 126 160 11 ELECT 1uF 20 50V C112 1 164 182 11 CERAMIC CHIP 0 0033uF 10 50V C113 1 126 160 11 ELECT 1uF 20 50V C114 1 163 037 11 CERAMIC CHIP 0 022uF 10 25V C115 1 164 492 11 CERAMIC CHIP 0 15uF 10 16V C116 1 164 492 11 CERAMIC CHIP 0 15uF ...

Page 30: ... DAN202K D609 8 719 105 99 DIODE RD6 2M B1 D610 8 719 105 99 DIODE RD6 2M B1 D611 8 719 109 97 DIODE RD6 8ES B2 D612 8 719 109 97 DIODE RD6 8ES B2 D613 8 719 110 49 DIODE RD18ES B2 D614 8 719 109 97 DIODE RD6 8ES B2 D615 8 719 109 97 DIODE RD6 8ES B2 D616 8 719 105 99 DIODE RD6 2M B1 D617 8 719 105 99 DIODE RD6 2M B1 D621 8 719 970 02 DIODE 1SR139 400 D624 8 719 988 62 DIODE 1SS355 D652 8 719 977 ...

Page 31: ...2 RESISTOR JW58 1 247 807 31 CARBON 100 5 1 4W R1 1 216 049 11 METAL CHIP 1K 5 1 10W R2 1 216 065 00 METAL CHIP 4 7K 5 1 10W R3 1 216 073 00 METAL CHIP 10K 5 1 10W R4 1 216 097 00 METAL CHIP 100K 5 1 10W R5 1 216 037 00 METAL CHIP 330 5 1 10W R6 1 216 077 00 METAL CHIP 15K 5 1 10W R7 1 216 075 00 METAL CHIP 12K 5 1 10W R8 1 216 025 00 METAL CHIP 100 5 1 10W R9 1 216 057 00 METAL CHIP 2 2K 5 1 10W ...

Page 32: ... 8W R573 1 216 097 00 METAL CHIP 100K 5 1 10W R574 1 216 097 00 METAL CHIP 100K 5 1 10W R582 1 216 198 00 METAL CHIP 1K 5 1 8W R583 1 216 166 00 METAL CHIP 47 5 1 8W R584 1 216 073 00 METAL CHIP 10K 5 1 10W R585 1 216 097 00 METAL CHIP 100K 5 1 10W R599 1 164 232 11 CERAMIC CHIP 0 01uF 50V R601 1 216 057 00 METAL CHIP 2 2K 5 1 10W R602 1 216 097 00 METAL CHIP 100K 5 1 10W R603 1 216 089 00 METAL C...

Page 33: ... 3216 R821 1 216 296 00 CONDUCTOR CHIP 3216 R822 1 216 296 00 CONDUCTOR CHIP 3216 R823 1 216 296 00 CONDUCTOR CHIP 3216 R824 1 216 296 00 CONDUCTOR CHIP 3216 MISCELLANEOUS 9 1 777 989 31 CORD WITH CONNECTOR TEL MUTE 158 1 660 169 21 REEL BOARD F901 1 532 877 11 FUSE BLADE TYPE AUTO FUSE 10A HP901 1 500 157 21 HEAD MAGNETIC PLAYBACK M901 A 3291 665 A MOTOR ASSY MAIN CAPSTAN REEL M902 A 3291 664 A M...

Page 34: ... 44 Sony Corporation Personal Mobile Communication Company 97C05086 1 Printed in Japan 1997 3 Published by Quality Assurance Dept 9 925 581 11 XR 4758RDS 4759RDS ...

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