Sony SHR-M1, Service Manual

Page 1: ... type Open air Dynamic Driver unit ø 30 mm Dome type Input ø 3 5 mm stereo mini jack Maximum input 100 mW Impedance 24 Ω at 1 kHz Frequency characteristic 14 to 24 000 Hz Others Power requirements 1 5 V DC one R03 size AAA battery Mass Approx 99 5 g 3 5 oz incl a battery not incl cord Accessories supplied Sony R03 size AAA battery 1 Connecting cord 1 Design and specifications are subject to change...

Page 2: ...ram 9 4 2 Printed Wiring Board Main Board 11 4 3 Schematic Diagram 13 4 4 Printed Wiring Board Key Board 15 4 5 Ic Pin Function Description 17 5 EXPLODED VIEWS 18 6 ELECTRICAL PARTS LIST 19 SERVICE NOTE In order to repair the machine while the main power is on connecting tool the MAIN board with the KEY board with a dedicated tool J 2503 012 A is convenient KEY board CN201 CN1 MAIN board Tool J 25...

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

Page 4: ...tural Green Red Green Natural Natural 4 Release the three claws Green Red Green Red Precaution for installation Precaution for installation 7 Wire 10 arbor lead 9 Lead wire A qd Cabinet upper L Belt 0 Release the claw S302 J302 Knob Slide the S301 and S302 in the direction of the arrows Knob S301 qs Screw P2 6 qa Remove the JACK board in the direction of the arrow JACK board 5 Cabinet main L 6 Rem...

Page 5: ...shown while being cautious of colors Solder the lead wire A to ANT terminal directly Natural Green Red Green Red Green Natural Natural Green Red Green Red 8 Wire 10 arbor lead 6 Remove the connector CN1 q Lead wire A qa MAIN board JACK board 5 Cabinet main R 7Remove the ten solderings from the rear side 9 Remove the soldering from the rear side 3 Cabinet lower R 2 Release the three claws 4 Release...

Page 6: ...n the illustration Attach the Cap L and leads with adhesive agent Center 9 5cm Marking Left side Wire 10 arbor lead Lead wire A Lead wire ten conductors Precaution for installation Lead wire A Lead wire A Mark at the 5 5 cm position from the tip of the lead wire and align the marking with the center position as shown in the illustration Attach the Cap R and leads with adhesive agent Center 5 5cm M...

Page 7: ...Adjustment Location MAIN board FM IF ADJUSTMENT Adjust for a maximum reading on level meter T1 10 7MHz SECTION 3 ELECTRICAL ADJUSTMENT 0 01µF FM RF signal generator to ANT TP6 75kHz 100 amplitude modulation by 1kHz signal Output level as low as possible 16Ω Set Level meter Speaker terminal SP SP 0 01µF FM RF signal generator to ANT TP6 Carrier frequency 98MHz Modulation no modulation Output level ...

Page 8: ...tion Pattern face side Parts on the pattern face side seen from SIDE A the pattern face are indicated Parts face side Parts on the parts face side seen from SIDE B the parts face are indicated 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 otherwi...

Page 9: ...R L304 Q301 302 DC DC CONVERTER IC301 LCD LCD201 BT201 LITHIUM BATTERY PAS621L DRY BATTERY SIZE AA IEC DESIGNATION R03 1PCS 1 5V SP1 S301 J301 16 X201 75kHz TU 1 5V Signal path FM AUDIO IN TP6 ANT RV1 RV101 POWER AMP IC102 TP3 VCO TP2 VT TP202 VT TP201 VCO TP212 TEST TP213 KS TP214 UP TP215 DOWN TP216 PRESET TP7 IF IN TP305 L CH TP304 R CH TP11 MUTE TP10 BEEP TP211 MUTE TP207 2 5V TP205 T ON TP101...

Page 10: ...E GND RCH LCH SP 1 5V SP SP POWER 2V 13V T ON GND RCH LCH SP SP SP POWER 2V 13V 15V T ON 1 1 1 5 6 10 1 5 10 12 13 15 20 24 4 8 5 19 20 2 ANT RV101 2 RV101 1 1 675 125 11 11 1 675 124 11 11 1 675 124 11 11 1 675 125 11 11 E MODEL JE MODEL E MODEL R22 16 1 2 A B C D E 3 4 5 6 Ref No Location D1 B 2 D2 B 3 D301 D 2 D302 D 2 D303 E 5 D304 E 4 IC1 B 2 IC2 A 2 IC102 B 1 IC301 D 4 Q1 B 3 Q2 A 2 Q101 B 5...

Page 11: ...SHR M1 4 3 SCHEMATIC DIAGRAM 13 14 1 7Vp p 75kHz TOTAL CURRENT SEGMENT ON 56 mA SEGMENT OFF 40 mA D202 204 LCD BACK LIGHT Refer to page 8 for Note on Schematic Diagram and IC block diagrams ...

Page 12: ...UNE S202 TUNE 1 5 10 14 15 20 25 28 29 30 35 40 42 43 45 50 5655 1 5 1 0 L C D 2 0 1 L I Q U I D C R Y S T A L D I S P L A Y 1 3 1 675 125 11 11 1 675 125 11 11 E MODEL JE MODEL 16 1 2 A B C D 3 4 5 6 7 Refer to page 8 for Note on Printed Wiring Board Ref No Location D201 C 2 D204 C 7 IC201 B 5 IC202 B 3 Q201 B 3 Q202 B 3 Q203 C 3 Q204 C 1 Semiconductor Location ...

Page 13: ... input VCO input form FM local oscillating circuit 2 regulator output Power terminal System clock output 75 kHz System clock input 75 kHz Regulator output LCD drive power terminal Capacitor ground terminal 2 capacitor ground terminal LCD drive power terminal Common signal output to LCD Segment signal output to LCD Low when back up Initial setting Beep sound signal output Power ON OFF control signa...

Page 14: ...OARD COMPLETE JE 8 A 3663 434 A MAIN BOARD COMPLETE E 9 3 040 301 01 HOLDER BUTTON 10 A 3663 408 A KEY BOARD COMPLETE JE 10 A 3663 436 A KEY BOARD COMPLETE E 11 X 3378 016 1 CABINET UPPER R ASSY SILVER 11 X 3378 059 1 CABINET UPPER R ASSY BLUE 12 3 040 284 01 LID BATTERY CASE 13 3 040 292 01 BUTTON BATTERY CASE LID 14 3 040 280 01 CABINET UPPER L JE SILVER 14 3 040 280 11 CABINET UPPER L JE BLUE 1...

Page 15: ... 0 022uF 10 25V C25 1 135 180 21 TANTALUM CHIP 3 3uF 20 6 3V C26 1 165 176 11 CERAMIC CHIP 0 047uF 10 16V C27 1 164 156 11 CERAMIC CHIP 0 1uF 25V C28 1 162 968 11 CERAMIC CHIP 0 0047uF 10 50V C29 1 164 227 11 CERAMIC CHIP 0 022uF 10 25V C30 1 162 968 11 CERAMIC CHIP 0 0047uF 10 50V C31 1 162 964 11 CERAMIC CHIP 0 001uF 10 50V C32 1 162 970 11 CERAMIC CHIP 0 01uF 10 25V C33 1 164 156 11 CERAMIC CHI...

Page 16: ...62 970 11 CERAMIC CHIP 0 01uF 10 25V C308 1 127 569 91 TANTAL CHIP 100uF 20 4V C309 1 110 569 11 TANTAL CHIP 47uF 20 4V C311 1 117 977 11 TANTAL CHIP 100uF 20 2 5V C312 1 162 970 11 CERAMIC CHIP 0 01uF 10 25V DIODE D301 8 719 046 91 DIODE MA2S111 D302 8 719 420 87 DIODE MA8130 D303 8 719 800 76 DIODE 1SS226 D304 8 719 069 29 DIODE RB520S 30TE61 IC IC301 8 759 652 77 IC RN5RK251A TR JACK J301 1 764...

Page 17: ...33 91 RES CHIP 10K 5 1 16W R204 1 216 833 91 RES CHIP 10K 5 1 16W R205 1 216 833 91 RES CHIP 10K 5 1 16W E R206 1 216 833 91 RES CHIP 10K 5 1 16W JE R208 1 216 833 91 RES CHIP 10K 5 1 16W R209 1 216 821 11 METAL CHIP 1K 5 1 16W R210 1 216 821 11 METAL CHIP 1K 5 1 16W R211 1 216 821 11 METAL CHIP 1K 5 1 16W R213 1 216 821 11 METAL CHIP 1K 5 1 16W R214 1 216 821 11 METAL CHIP 1K 5 1 16W R215 1 216 8...

Page 18: ...SHR M1 22 Sony Corporation Personal Audio Company 99J1625 1 Printed in Japan 1999 10 Published by General Engineering Dept 9 927 179 11 ...