SERVICE MANUAL
Contents
1. 4 2 3 4 5 6 7 UNIT BOARD MIC1 UNIT BOARD MIC1 i A SIDE A SIDE B a IE MIC MINI i ts PLUG l 1 T145 MODEL 1 671 999 11 MIC OUT PLUG T115 MODEL I I I I I I I I I I I I I I I I J1 BATTERY al CHECK LAMP LITHUM BATTERY CR 2025 3V e Semiconductor Note on Printed Wiring Board Location e o parts extracted from the component side o Through hole Ref No Location e n Pattern from the side which enables seeing Caution Pattern face side Parts onthe pattern face side seen from SIDE B the pattern face are indicated Parts face side Parts on the parts face side seen from SIDE A the parts face are indicated NOTE e XX X mean standardized parts so they may have some differences from the original one e Items marked are not stocked since they are seldom required for routine service Some delay should be anticipated when ordering these items 3 1 BATTERY BOX SECTION R SECTION 3 EXPLODED VIEWS are not supplied Ref No Part No Description Remarks Ref No Part No 1 1 790 104 11 CORD MICROPHONE 1 CORE 8 2 545 590 01 2 2 545 592 01 BUSHING 9 2 545 599 01 3 2 545 593 01 SHEET SHIELD 10 2 545 586 01 4 X 2542 165 1 CASE UPPER ASSY BATTERY 11 2 545 587 01 5 2 545 588 01 KNOB SWITCH 12 2 545 601 01 6 A 4542 561 A AMP BOARD COMPLETE 12 2 545 606 01 7 2 5452. 1 ECM T115 ECM T145 Holder clip 1 ECM T145 Wind screen 1 ECM T145 ELECTRET CONDENSER MICROPHONE SERVICE NOTE Notes on Chip Component Replacement e Never reuse a disconnected chip component e Notice that the minus side of a tantalum capacitor may be damaged by heat CAUTION Danger of explosion if battery is incorrectly replaced Replace only with the same or equivalent type recommended by the manufacturer Discard used batteries according to the manufacturer s instructions ADVARSEL Lithiumbatteri Eksplosionsfare ved fejlagtig handtering Udskiftning ma kun ske med batteri af samme fabrikat og type Lever det brugte batteri tilbage til leverandgren ADVARSEL Eksplosjonsfare ved feilaktig skifte av batteri Benytt samme batteritype eller en tilsvarende type anbefalt av apparatfabrikanten Brukte batterier kasseres i henhold til fabrikantens instruksjoner VARNING Explosionsfara vid felaktigt batteribyte Anvand samma batterityp eller en ekvivalent typ som rekommenderas av apparattillverkaren Kassera anvant batteri enligt fabrikantens instruktion VAROITUS Paristo voi rajahtaa jos se on virheellisesti asennettu Vaihda paristo ainoastaan laitevalmistajan suosittelemaan tyyppiin Havita kaytetty paristo valmistajan ohjeiden mukaisesti SECTION 1 GENERAL This section is extracted from Instruction manual Parts Identification POWER switch Battery check indicator When you turn
3. 589 01 TERMINAL PLUS 1 7 685 103 19 The mechanical parts with no reference number in the exploded views Remarks Description TERMINAL MINUS SHEET BLIND CASE LOWER BATTERY HOLDER BATTERY LABEL MODEL NUMBER T115 LABEL MODEL NUMBER T145 SCREW P 2x5 TYPE2 NON SLIT 3 2 MIC SECTION T115 MODEL Ref No 51 52 53 54 59 Part No 1 790 102 11 X 2542 079 1 3 704 197 72 2 545 584 01 4 916 272 01 56 gt MIC1 M not supplied 55 53 51 Description Remarks Ref No CORD MICROPHONE 1 CORE 56 CLIP ASSY 57 SCREW M1 4X4 5 LOCKING 58 BASE MICROPHONE 59 SPACER MIC1 Part No 2 543 437 01 3 309 597 31 2 545 583 01 1 671 999 11 8 814 294 00 Description REGISTER SCREW 1 4 TAPPING PRECISION COVER MICROPHONE UNIT BOARD MICROPHONE CAPSULE C 1053 Remarks 3 3 MIC SECTION T145 MODEL Ref No 101 102 103 104 105 106 107 101 Part No A 4540 185 A X 2542 079 1 3 704 197 12 3 309 597 51 X 2542 166 1 2 545 564 01 2 545 595 01 Vam z z z z zzz 112 Description Remarks CLIP ASSY HOLDER CLIP ASSY SCREW M1 4X2 0 LOCKING SCREW 1 4 TAPPING PRECISION SCREEN ASSY WINDOW CASE MICROPHONE NET INNER Ref No 108 109 110 111 112 D10 MIC1 105 106 107 ay MIC1 pro zy Lb mj 109 108 mE Part No 2 545 596 01 2 536 803 01 2 545 592 01 2 545 591 01 1 790 103 11 8 719 056 29
4. 8 814 294 00 Description SPACER STOPPER BUSHING CASE BUSHING CORD MICROPHONE 1 CORE DIODE 015AZ4 7 TPL3 MICROPHONE CAPSULE C 1053 Remarks ELECTRICAL PARTS LIST NOTE e Due to standardization replacements in the parts list may be different from the parts specified in the diagrams or the components used on the set e XX X mean standardized parts so they may have some difference from the original one e Items marked are not stocked since they are seldom required for routine service Some delay should be anticipated when ordering these items SECTION 4 CAPACITORS e SEMICONDUCTORS uF uF In each case u u for example RESISTORS UA UA UPA UPA All resistors are in ohms METAL metal film resistor METAL OXIDE Metal Oxide film resistor F nonflammable COILS uH uH uPB uPB uPC uPC uPD uPD When indicating parts by reference number please include the board name Ref No Part No Description Remarks Ref No Part No Description Remarks X A 4542 561 A AMP BOARD COMPLETE e 1 671 999 11 UNIT BOARD T115 KKK K ok gt xk Xk ok ok k ok ok k kok k kok k k OK ok KKK lt CAPACITOR gt lt CAPACITOR gt C1 1 119 749 11 TANTAL CHIP 33uF 20 4V C10 1 163 009 11 CERAMIC CHIP 0 001uF 10 50V T115 C2 1 104 908 11 TANTAL CHIP 47uF 20 4V C14 1 164 222 11 CERAMIC CHIP 0 22uF 25V lt DIODE gt lt DIODE gt D10 8 719 056 29
5. DIODE 015AZ4 7 TPL3 T115 x x x 26 KKK KKK KKK gt Xk ok Kk ok k ok Kk ok Kk of ok ok of ok ok of ok ok okk of KKK KKK KKK KKK KKK KKK KK DI 8 719 072 95 DIODE 015AZ3 9 X TPL3 D2 8 719 064 07 LED SML 310LTT86 MISCELLANEOUS BATTERY CHECK LAMP ab aah ae aR k ak ok ok ak ok ok ak ok D3 8 719 056 29 DIODE 015AZ4 7 TPL3 1 1 790 104 11 CORD MICROPHONE 1 CORE lt JACK gt 51 1 790 102 11 CORD MICROPHONE 1 CORE T115 112 1 790 103 11 CORD MICROPHONE 1 CORE T145 J1 1 764 624 51 JACK MIC IN D10 8 719 056 29 DIODE015AZ4 7 TPL3 T145 MIC1 8 814 294 00 MICROPHONE CAPSULE C 1053 JC1 1 216 864 11 METAL CHIP 0 5 1 16W ACCESSORIES amp PACKING MATERIALS KKK 26 KKK KKK KKK KKK KKK KKK KKK KKK OK ok kok lt RESISTOR gt 3 865 088 11 MANUAL INSTRUCTION R1 1 216 833 11 METAL CHIP 10K 5 1 16W ENGLISH FRENCH GERMAN SPANISH DUTCH R3 1 216 813 11 METAL CHIP 220 5 1 16W SWEDISH ITALIAN PORTUGAL R13 1 216 828 11 METAL CHIP 3 9K 5 1 16W lt SWITCH gt S1 1 692 397 21 SWITCH SLIDE POWER gt k gt k X gt k X k k k Kk K K K K KOK K K K K K K K K K K K K K K K K K K K KK K KK K KK K KK K KK K K K K K K K K K K K K ECM T115 T145 Sony Corporation 99B1677 1 Printed in Japan 1999 2 9 924 973 11 Personal A amp V Products Company Published by Quality Engineering Dept 10 Shinagawa
6. ECM T115 T145 SERVICE MANUAL US Model Canadian Model Ver 1 0 1999 02 AEP Model E Model PHOTO ECM T115 PHOTO ECM T145 SPECIFICATIONS Type Electret condenser microphone Frequently response Dimensions Microphone parts 50 15 000 Hz 9 x 20 2 x 41 5 mm w h including clip parts d Directivity Omni directional 3 x 8 16 x 1 16 in ECM T115 Output impedance ECM T115 ECM T145 8 5 x 17 3 mm diameter length 1 32 x 16 in 2 8 kilohms 30 ECM T145 Sensitivity Open circuit output voltage level 42 3 dB Battery box parts 0dB 1V Pa 1 000 Hz 40 x 16 5 x 46 mm w h d 13 8 x 2 1 32 x 1 Pa 10u bar 94 dBsrt 1 in Battery life Approx 300 hours with Sony lithium battery Mass Microphone parts including cord CR2025 not supplied Approx 11 g 0 39 oz ECM T115 Maximum sound pressure input level Approx 13 g 0 46 oz ECM T145 Approx 110 dBsrt Battery box parts including lithium battery and 1 wave distortion at 1 000 Hz cord 0 dBsr 2 x 10 Pa Approx 17 g 0 6 02 Operating temperature range Cord Microphone parts 0 C 40 C 32 F 104 F OFC litz cord 1 cord shielded i SE Length approx 1 m 39 3 s in Design and specifications are subject to change without notice 1 5 mm in ECM T115 2 2 mm 3 2 in ECM T145 Battery box parts OFC litz cord 2 core shielded 2 2 mm 32 in Length approx 0 3 m 11 7 s in Supplied accessories Battery box
7. the power on the battery check indicator lights up momentarily This is normal The light tells you that the battery still has life When the battery becomes weak the indicator lights dimly or does not light at all L shaped monaural miniplug gold plated 4 Battery box Supplied only to ECM T115 T145 You can clip the battery box to your tie lapel or pocket Wind screen Supplied only to ECM T145 Attach to reduce hollow noise caused by the direct exposure to direct wind or breath 6 Microphone jack L shaped monaural miniplug gold plated Battery compartment 9 Holder clip Supplied only to ECM T145 W Interlock the projection of the holder to the groove on the microphone Microphone ECM T115 T145 SECTION 2 DIAGRAMS 2 1 SCHEMATIC DIAGRAM MICI T115 MOBEL UNIT BOARD 15788 MIC OUT T145 MO EL MIC OUT D L Sa PENN DEN PRE PRZE E ENO ZE AMP BOARD M O JC 1 25V PLUG JI O gt O O F gt 0 O MIC IN O i a Rz O TOTAL CURRENT 0 21mA E S 220 ami MIC OUT 10k Bi l 015AZ3 9 2 S Hp l BATTERY ZY CHECK Lamp Note on Schematic Diagram e All capacitors are in uF unless otherwise noted pF uuF 50 WV or less are not indicated except for electrolytics and tantalums e All resistors are in Q and 4 W or less unless otherwise specified e indicates tolerance e ___ panel designation e Signal path F gt MIC ECM T115 T145 2 2 PRINTED WIRING BOARD
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