Sony MDR-RF815R Service Manual Download Page 12 | Manualshive

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MDR-RF815R

— 16 —

Sony Corporation

Audio Entertainment Group

2000F1646-1

Printed in Japan © 2000.6

Published by PE General Engineering Dept.

9-927-956-11

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Summary of Contents for MDR-RF815R

Page 1: ...e MDR RF815RK COMPONENT MODEL NAME FOR MDR RF815RK SPECIFICATIONS Headphones Power source DC 2 4 V Built in rechargeable battery Mass Approx 240 g 8 1 oz incl built in rechargeable battery Built in Ni Cd rechargeable battery Model name NC AA Voltage 1 2 V Capacity 700 mAh Design and specifications are subject to change without notice Ver 1 0 2000 06 ...

Page 2: ...es 2 Check the interboard wiring to ensure that no wires are pinched or contact high wattage resistors 3 Look for unauthorized replacement parts particularly transistors that were installed during a previous repair Point them out to the customer and recommend their replacement 4 Look for parts which through functioning show obvious signs of deterioration Point them out to the customer and recommen...

Page 3: ... for installtion Precaution for installtion 6 RX BASE board 9 Switch push 1 key Cover R hanger No 203 No 203 black No 202 red No 201 green No 201 No 204 No 205 No 204 No 202 4 Screw P 2 8 1 Four screws P 2 6 2 Set the psuh switch 1 key Suspender 1 Slide the suspender in the direction of the arrow Claw Claw 2 5 7 2 1 RX BASE BOARD Note Follow the disassembly procedure in the numerical order given ...

Page 4: ... No 203 Groove Set the lead wires No 204 No 205 No 202 No 202 No 203 No 201 Set the each lead wires as illustrated below Cover R hanger A B Cover R hanger Groove Groove Groove Groove Groove To the driver 030F032 K To the RX BASE board Groove To the driver 030F032 K B A ...

Page 5: ...X board to satisfied step 8 10 Set the transmitter CHANNEL switch to 1 or 3 11 Adjust the headphones tuning RV303 to receive radio frequency 12 Check same step 8 3 3 Carrier modulation check 1 Set the transmitter CHANNEL switch to 2 2 Set the transmitter NOISE FILTER switch to OFF 3 Input a signal of 1kHz 316mVrms to transmitter AUDIO IN A L connector only 4 Adjust the headphones tuning RV303 to r...

Page 6: ... 6 Adjustment Location RX BASE BOARD Conductor side ...

Page 7: ...e 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 L AUDIO Note on Printed Wiring Board X parts extracted from the component side a Through hole b Pattern from the side which enables seeing Caution Pattern face side Parts on the pattern face side seen fro...

Page 8: ...MDR RF815R 9 10 4 2 SCHEMATIC DIAGRAM FREE RUN FREQ 5 2 2 0 01 ...

Page 9: ...R 11 12 4 3 PRINTED WIRING BOARD S1 ON OFF SWITCH SPEAKER L ch SPEAKER R ch RECHARGEABLE Ni cd NC AA HJ 2pcs 2 4V RV303 RV303 Ref No Location D301 B 1 D304 B 2 D310 C 2 IC301 A 2 IC302 C 2 Semiconductor Location ...

Page 10: ...RONT END CAPACITOR C301 1 164 346 11 CERAMIC CHIP 1uF 16V C302 1 164 005 11 CERAMIC CHIP 0 47uF 25V C303 1 124 259 11 ELECT 4 7uF 20 00 16V C304 1 163 037 11 CERAMIC CHIP 0 022uF 10 25V C305 1 163 037 11 CERAMIC CHIP 0 022uF 10 25V C306 1 124 234 00 ELECT 22uF 20 16V C307 1 163 059 91 CERAMIC CHIP 0 01uF 10 00 50V C308 1 124 234 00 ELECT 22uF 20 16V C309 1 124 257 11 ELECT 2 2uF 20 00 50V C310 1 1...

Page 11: ...TAL CHIP 10 5 1 10W R320 1 216 001 00 METAL CHIP 10 5 1 10W R321 1 216 053 00 METAL CHIP 1 5K 5 1 10W R322 1 216 069 00 METAL CHIP 6 8K 5 1 10W R323 1 216 069 00 METAL CHIP 6 8K 5 1 10W R325 1 216 037 00 METAL CHIP 330 5 1 10W RX BASE R327 1 216 085 00 METAL CHIP 33K 5 1 10W R328 1 216 085 00 METAL CHIP 33K 5 1 10W R330 1 216 001 00 METAL CHIP 10 5 1 10W R333 1 216 057 00 METAL CHIP 2 2K 5 1 10W R...

Page 12: ...MDR RF815R 16 Sony Corporation Audio Entertainment Group 2000F1646 1 Printed in Japan 2000 6 Published by PE General Engineering Dept 9 927 956 11 ...

Page 13: ...DEL NAME FOR MDR RF815RK General Carrier frequency 863 5 864 5 MHz Channel Ch1 Ch2 Ch3 Modulation FM stereo Frequency response 20 20 000 Hz Transmitter Power source DC 9 V supplied AC power adaptor Audio input phono jacks stereo mini jack Dimensions Approx 150 mm dia 108 mm 6 4 1 3 in w h Mass Approx 190 g 6 2 oz Design and specifications are subject to change without notice Ver 1 0 2000 06 ...

Page 14: ...es 2 Check the interboard wiring to ensure that no wires are pinched or contact high wattage resistors 3 Look for unauthorized replacement parts particularly transistors that were installed during a previous repair Point them out to the customer and recommend their replacement 4 Look for parts which through functioning show obvious signs of deterioration Point them out to the customer and recommen...

Page 15: ... 3 SECTION 2 DISASSEMBLY 2 1 CABINET UPPER 2 2 TX BASE BOARD 1 Four screws P 2 8 Cabinet upper 2 2 TX BASE board Cabinet assy lower 1 Note Follow the disassembly procedure in the numerical order given ...

Page 16: ... specified value exchange vco unit When completed with replacement recheck the frequecies of CH1 CH2 and CH3 TK BASE BOARD Component side AF signal generator Telescopic antenna 8 cm L CH J402 TMR RF815R set TMR RF815R set Frequency counter Pilot signal Modulation Check and Adjustment 1 Set the channel to CH2 2 No signal input The operating time in this case is limited to 4 or 5 minutes 3 Measure t...

Page 17: ...parts extracted from the component side b Pattern from the side which enables seeing Note on Schematic Diagram All capacitors are in µF unless otherwise noted pF µµF 50 WV or less are not indicated except for electrolytics and tantalums All resistors are in Ω and 1 4 W or less unless otherwise specified f internal component A B Line H adjustment for repair Power voltage is dc 9 V and fed with regu...

Page 18: ...TMR RF815R 4 2 SCHEMATIC DIAGRAM 7 8 220 330p 100k ...

Page 19: ... PRINTED WIRING BOARD 9 10 Ref No Location D401 D 3 D402 D 3 D403 A 4 D404 D 2 D405 D 2 D407 B 3 D408 D 4 D410 B 4 IC401 B 2 IC402 B 4 IC403 D 4 IC404 B 3 IC405 D 2 Q401 D 1 Q402 B 4 Q404 B 4 Semiconductor Location 1 ...

Page 20: ...25V C436 1 126 157 11 ELECT 10uF 20 16V C438 1 163 251 11 CERAMIC CHIP 100PF 5 00 50V C441 1 126 157 11 ELECT 10uF 20 16V C442 1 163 018 00 CERAMIC CHIP 0 0056uF 5 50V C443 1 164 346 11 CERAMIC CHIP 1uF 16V C444 1 163 251 11 CERAMIC CHIP 100PF 5 00 50V C445 1 163 251 11 CERAMIC CHIP 100PF 5 00 50V C451 1 124 635 00 ELECT 220uF 20 00 6 3V C452 1 163 038 00 CERAMIC CHIP 0 1uF 25V C453 1 126 157 11 E...

Page 21: ...033 00 METAL CHIP 220 5 1 10W R442 1 216 045 00 METAL CHIP 680 5 1 10W R446 1 216 051 00 METAL CHIP 1 2K 5 1 10W R447 1 216 214 00 RES CHIP 4 7K 5 1 8W R448 1 216 049 91 RES CHIP 1K 5 1 10W R449 1 216 081 00 METAL CHIP 22K 5 1 10W R451 1 216 073 00 METAL CHIP 10K 5 1 10W R452 1 216 077 00 RES CHIP 15K 5 1 10W R453 1 216 073 00 METAL CHIP 10K 5 1 10W R454 1 216 073 00 METAL CHIP 10K 5 1 10W R455 1 ...

Page 22: ...TMR RF815R 14 Sony Corporation Audio Entertainment Group 2000F1646 1 Printed in Japan 2000 6 Published by PE General Engineering Dept 9 927 955 11 ...

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