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TAM-100
SERVICE MANUAL
Canadian Model
SPECIFICATIONS
TELEPHONE ANSWERING MACHINE
MICROFILM
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TABLE OF CONTENTS 1. GENERAL 2. DIAGRAMS ................................................................. 5 2-1. Block Diagram ................................................................ 5 2-2. Printed Wiring Board –KEY Section– .......................... 7 2-3. Printed Wiring Board –MAIN Section– ........................ 9 2-4. Schematic Diagram ......................................................... 11 3. EXPLODED VIEW ................................................... 13 4. ELEC
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TAM-100 SECTION 2 DIAGRAMS 2-1. BLOCK DIAGRAM U1 T70 DSP U80 SPEAKER AMP W 76 TI - + ECM B PD1 59 1 BIAS – SP901 MIC 77 TI + VOICE DET M2C Q70 MUTE 78 VREF SPOI + 80 4 5 SPEAKER JP100 58 PD2 3 R + 1 MODULER JACK 60 PD0 D100-103 G 2 TEL SPEECH LINE SW LED1-4 R 54 PB2 A14/P12 22 NETWORK 1 Q110, 111 MODULER Q120, 121 A12/P10 24 ANSWER ON/OFF • JACK MAIL BOX1-3 G PB1 55 BRANCH 2 • LED INDICATOR LINE DET 28 A8/PJ0 PB0 56 Q112, 113 JP101 U2 FLASH MEMORY 57 PD3 PA0 48 4 CS +B PA2 46 5 SK RINGER DET PA
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• IC Block Diagrams U1 TC88512AF-043 89 87 100 95 94 93 92 91 90 86 85 84 83 82 81 80 79 78 77 76 75 74 1 1 1 VRFF A-D D-A GENERATOR CONVERTER CONVERTER DPS • VOICE COMPRESSION/DECOMPRESSION • DTMF DETECTION CLOCK COUNTER • FULL DUPLEX HANDS FREE AND SO ON 73 AVDD1, 2 72 AVSS1, 2 71 WAIT 70 WR/PH0 69 RD/PH1 68 NM1 1 67 INT . 8 BIT 66 DVDD1-4 2 DSP CPU INTERFACE 65 DVSS1-4 WE/PF0 3 MEMORY 64 4 INTERFACE CAS1/PF2 . PE (1:0) 63 62 MREQ/PH2 61 IORQ/PH3 5 PC (3:0) 8 RAS/PF3 9 60 OE/PF1 10 PD (3:0
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TAM-100 • Waveform 2-2. PRINTED WIRING BOARD — KEY SECTION — THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS. 1 (In addition to this, the necessary note is printed in each block.) 5.6Vp-p KEY BOARD For schematic diagrams. 4MHz Note: • All capacitors are in μF unless otherwise noted. pF: μμF U1 (XOUT) !¤ MEMO 50 WV or less are not indicated except for electrolytics 16 9 ANSWER and tantalums. ON/OFF 1 • All resistors are in and /4 W or less unless otherwise specified. ¢ •
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TAM-100 2-3. PRINTED WIRING BOARD — MAIN SECTION — MAIN BOARD (SIDE A) MAIN BOARD (SIDE B) A R72 R72 C70 R76 F T70 YEL T70 C72 ECM Q70 R70 R100 ZD100 MIC C71 R71 R124 BLK R74 ZD101 TP72 C73 R123 C100 ZD104 C74 D102 B Q111 E 1 2 C56 Z100 R77 TP101 E TP50 F100 C102 R7 R6 C55 R5 R113 R119 C53 JP100 TP111 R52 MODULER C104 250V. 500mA 4 3 C110 JACK D101 R2 C58 R8 R112 RED D100 R122 R120 C106 R53 C59 U3 Q110 100 81 C105 TP100 E TEL C1 Q120 E D GRN C111 C R114 R54 C2 C103 1 C123 TP110 80 R126 TP102 C11
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TAM-100 2-4. SCHEMATIC DIAGRAM • Refer to page 6 for IC Block Diagrams. • Refer to page 7 for Waveforms and Note. 10V R75 R74 2.2k 470k 0.1 Q71 2SC2412KR 10V R76 MIC 220 AMP SP901 C84 220 10V 3 U3 RESET XC61AN4602PR 5.0 4.9 L1 10uH C93 0.1 L2 10uH L3 10uH 1W 25V 4MHz 7 SEGMENT LED 26.7 26.7 OFF ÷ ON ÷ ANN ONLY 2 ÷ 5 ÷ TS – 11 – – 12 –
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SECTION 3 SECTION 4 KEY MAIN ELECTRICAL PARTS LIST EXPLODED VIEW NOTE: Note: • The mechanical parts with no reference number in • -XX, -X mean standardized parts, so they may have • Due to standardization, replacements in the parts list • SEMICONDUCTORS When indicating parts by reference the exploded views are not supplied. some difference from the original one. In each case, u: μ , for example: may be different from the parts specified in the number, please include the board • Hardware (# mar
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MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark < PHOTO INTERUPTER > R56 1-216-077-00 METAL CHIP 15K 5% 1/10W R70 1-216-053-00 METAL CHIP 1.5K 5% 1/10W PH100 8-749-015-01 PHOTO COUPLER 5817P6 R71 1-216-051-00 RES,CHIP 1.2K 5% 1/10W < TRANSISTOR > R72 1-216-113-00 METAL CHIP 470K 5% 1/10W R73 1-216-057-00 METAL CHIP 2.2K 5% 1/10W Q70 8-729-901-81 TRANSISTOR 2SC2412K R74 1-216-057-00 RES,CHIP 2.2K 5% 1/10W Q71 8-729-901-81 TRANSISTOR 2SC2412K-T-146-R R75 1-216-11
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TAM-100 MAIN Ref. No. Part No. Description Remark < DIODE > ZD70 8-719-923-56 DIODE MTZJ-T-77-8.2B ZD100 8-719-923-38 DIODE MTZJ-T-77-5.6B ZD101 8-719-923-38 DIODE MTZJ-T-77-5.6B ************************************************************** MISCELLANEOUS ************* 5 1-771-695-11 SWITCH, RUBBER KEY JP90 1-766-366-11 JACK, DC (DC IN 12V) JP100 1-793-136-11 JACK, MODULAR (2C) 6P (TEL) JP101 1-793-136-11 JACK, MODULAR (2C) 6P (LINE) T70 1-542-368-11 MICROPHONE, ELECTRET CONDENSER SP901 1-
