Sony M101 Micro-Cassette Corder 电路图.pdf

M-101 (Panel: Silver) Power Requirements: Power Consumption: Power Output: Recording System: Tape Speed: Fast Winding Time: 5 W ac with Sony AC Power Adaptor AC-31 (US, Canadian model) 7.2 Wac (50Hz) 6.8 Wac (60Hz) with Sony AC Power Adaptor AC-32 (E model) 150 mW (max.) 2-track l-channel monaural 2.4 cm/s (1716 ips) Approx. 1 minute 30 seconds with Sony Micro cassette MC-60 Frequency Response: 200 - 7,000 Hz Battery Life: Continuous recording hours: Approx. 2 hours with Sony long-life battery size-AA Approx. 4 hours with Eveready Heavy Duty Battery No. 1215 Approx. 7.5 hours with Eveready Alkaline Batterv No. E91 US Model Canadian Model E Model M-101B (Panel: Black) US Model MICRO CASSETTE-CORDER SPECIFICATIONS 3V dc Battery size-AA Input: (IEC Designation R6). 2 pcs Rechargeable Battery Pack BP-31 (optional) 120 V ac, 60 Hz with Sony AC Power Adaptor AC-31 (optional) (US, Canadian model) 110, 120, 220 or 240 V ac, 50160 Hz with Sony AC Power Adaptor AC-32 (optional) (E model) output: Speaker: Dimensions: Weight: Approx. 64(w) x 26 (h) x 143 (H) mm 29/h (w) x 11/16 (h) x 5l1/16 inches not including projecting parts and controls Approx. 350 g, 13 oz including batteries SONY SERVICE MANUAL MIC (mini jack) Maximum sensitivity: 0.2 mV (-72dB) Impedance: Low-impedance microphone EARPHONE (mini jack) Load impedance:8a earphone or more than 10 kn 4.5 cm (1 3/4 inches) dia. RadioFans.CN 收音机爱 好者资料库 RadioFans.CN 收音机爱 好者资料库 RadioFans.CN 收音机爱 好者资料库 7 M-101/101B 3-2. ELECTRICAL ADJUSTMENTS PRECAUTION Clean the following parts with a denatured-alcohol- moistened swab: Record/Playback head Pinch roller Erase head Rubber belts Capstan Idlers Demagnetize the record/playback head with a head demagnetizer. (Do not bring the head demagnetizer close to the erase head, and do not use a magnetized screw- driver for adjustments). After the adjustments, apply the locking com- pound to the adjusted parts. The adjustments should be performed in the order listed in this service manual. 1. Tape Speed Adjustment Setting: Power source: 2.5 V dc Procedure: 1. Mode: playback rest rape WS-24 13 kHz, 0 dB) speed checker (SONY L FM-30 or digital frequency counter EARPHONE 1) Adjust R18 for 0 % on the speed checker or 3000 Hz on the digital frequency counter. 2) Following specifications should be satisfied with the power source from 2 V dc to 3.5 V dc. 3) Specifications: Speed checker Digital frequency counter +3% - 2.5 % 2925 Hz 3090 Hz Frequency difference between beginning and end of tape should be within 1 % (30 Hz). Adjustment Location: R18 -6- SECTION 6 ELECTRICAL PARTS LIST Ref. No.Ref. No. Parr No. Description - - PRINTED CIRCUIT BOARD Part No. Description l-131-264-11 0.47 2 o v 1-131-273-11 0.033 35 v 1-131-264-11 0.47 2 o v l-131-254-11 110V 1-131-393-11 473.15v l-131-254-11 110v l-131-177-11 1006.3V l-108-373-12 0.0047100v mylar 1-131-393-11 47 3.15 v l-l 31-256-11 1010v l-l 31-264-11 0.47 2 o v 1-131-251-1 1 1010v 1-131-253-1 1 33 6.3 V 1-131-251-11 4.7 6.3 V l-102-1 10-11 220 p 5 o v ceramic RESISTORS Cl1 Cl2 Cl3 C14,15 C16C18 Cl9 C20 c21 c22 C23 C24 C25 C26 C27 C28 l-584-800-00 Audio Amp SEMICONDUCTORS Q1 Transistor2SC1859 BX283A BX284 BX285 BX286A BX287 BX288 BX290 TLR109 S-1Ok ICl IC2 IC3 IC4 IC5 IC IC IC IC IC IC6 IC7 LED1 Th IC IC Diode 1-800-202-Xx Thermistor All resistors are in a, and 1/16 W carbon resistors unless otherwise noted. MICROINDUCTOR Rl R2 R3 R4 R5 R6 R79 RlO Rll R12 R13 R14 R15 R16 R17 R18 R19 R20 R21 R22 Ll l-407-847-00 35 H l-210-353-11 l-224-754-00 l-210-395-1 1 1-246-484-1 1 1-209-773-I 1 68 10 k variable, PB VOL 47 3k1/8 w 4.7 TRANSFORMERS Tl T2 l-433-191-00 Bias Osc I-427-41 l-00 Record CAPACITORS l-21 0-840-l 1 I-210-355-11 l-210-846-11 l-210-353-11 l-201-978-1 1 220k 100 33 68 1001/8 w composition All capacitors arc in F and of tantalum unless otherwise noted. (p = F) Cl l-161-190-1 1 0.001 25 V ceramic (boundary layer) 3 5 v 4 v 10v 6.3V 10v 3.15v 10V 10v 6.3 v l-210-844-1 1 1-21 O-365-1 1 l-210-360-1 1 l-209-768-1 1 l-210-355-1 1 470k 390 180 2.2k 100 c2 l-l 31-273-1 1 C3 l-131-288-1 1 c4 I-131-254-I 1 C5 l-l 31-251-l 1 0.033 47 4.7 C6 1-131-256-1 1 C7 1-13 l-395-11 C8 l-l 31-256-l 1 c9 1-131-254-l 1 Cl 0 1-131-253-t 1 10 100 10 l-224-727-00 2 k adjustable l-209-768-1 12.2k l-209-768-1 1 2.2 k l-210-365-1 1 390 1-210-111-11 12k33