Sony-M101 micro cass.pdf part of Sony M101 Sony-M101 micro cass.pdf, microcassette recorder text manual preview

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M-101 (Panel: Silver)

US Model
Canadian Model E Model
M-101B (Panel: Black)

US Model

MICRO CASSETTE-CORDER
SPECIFICATIONS
Power Requirements: 3V dc Battery size-AA (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) Power Consumption: 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-60 200 - 7,000 Hz 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 Input: MIC (mini jack) Maximum sensitivity: 0.2 mV (-72dB) Low-impedance Impedance: microphone EARPHONE (mini jack) Load impedance: 8a earphone or more than 10 kn 4.5 cm (1 3/4 inches) dia. 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

output:

Speaker: Dimensions:

Weight:

Approx. 350 g, 13 oz including batteries

Power Output: Recording System: Tape Speed: Fast Winding Time:

Frequency Response: Battery Life:

SONY

SERVICE MANUAL

7 M-101/101B

3-2. ELECTRICAL ADJUSTMENTS
PRECAUTION Clean the following parts with a denatured-alcoholmoistened 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 screwdriver for adjustments). After the adjustments, apply the locking compound to the adjusted parts. The adjustments should be performed in the order listed in this service manual.
EARPHONE

1. Tape Speed Adjustment Setting: Power source: 2.5 V dc

Procedure:
1. Mode: playback

WS-24

rest rape
13 kHz, 0 dB)

speed checker (SONY L FM-30 or digital frequency counter

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% 2925 Hz ~ 3090 Hz - 2.5 % 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.
Parr No. Description

Ref. No.
Cl1 Cl2 Cl3 C14,15 C16~C18

Part No. l-131-264-11 1-131-273-11 1-131-264-11 l-131-254-11 1-131-393-11 l-131-254-11 l-131-177-11 l-108-373-12 1-131-393-11 l-l 31-256-11 l-l 31-264-11 1-131-251-1 1 1-131-253-1 1 1-131-251-11 l-102-1 10-11

Description 0.47 0.033 0.47 1 47 1 100 0.0047 47 10 0.47 10 33 4.7 220 p 2ov 35 v 2ov 10V 3.15v 10v 6.3V 100v 3.15 v 10v 2ov 10v 6.3 V 6.3 V 5ov ceramic mylar

PRINTED CIRCUIT BOARD

l-584-800-00

Audio Amp

SEMICONDUCTORS

Cl9

Q1
ICl IC2 IC3 IC4 IC5 IC6 IC7 LED1 Th 1-800-202-Xx

Transistor IC IC IC IC IC
IC IC

2SC1859 BX283A BX284 BX285 BX286A BX287 BX288 BX290 TLR109 S-1Ok

C20 c21 c22 C23 C24 C25 C26 C27 C28

Diode Thermistor

RESISTORS

MICROINDUCTOR

All resistors are in a, and 1/16 W carbon resistors unless otherwise noted.

Ll

l-407-847-00

35 Е H Rl R2 R3 R4 R5 R6 R7~9 RlO Rll R12 R13 R14 R15 R16 R17 R18 R19 R20 R21 R22 l-210-353-11 l-224-754-00 l-210-395-1 1 1-246-484-1 1 1-209-773-I 1 l-21 0-840-l 1 I-210-355-11 l-210-846-11 l-210-353-11 l-201-978-1 1 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 l-224-727-00 l-209-768-1 1 l-209-768-1 1 l-210-365-1 1 1-210-111-11 68 10 k variable, PB VOL 47 3k 4.7 220k 100 33 68 100 470k 390 180 2.2k 100 2 k adjustable 2.2k 2.2 k 390 12k
1/8 w 1/8 w

TRANSFORMERS

Tl T2

l-433-191-00 I-427-41 l-00

Bias Osc Record

CAPACITORS

All capacitors arc in Е F and of tantalum unless otherwise noted. (p = ЕЕF) Cl c2 C3 c4 C5 C6 C7 C8 c9 Cl 0 l-161-190-1 1 l-l 31-273-1 1 l-131-288-1 1 I-131-254-I 1 l-l 31-251-l 1 1-131-256-1 1 1-13 l-395-11 l-l 31-256-l 1 1-131-254-l 1 1-131-253-t 0.001 0.033 47 4.7 10 100 10 33 25 V ceramic (boundary layer) 35v 4 v 10v 6.3V 10v 3.15v 10V 10v 6.3 v

composition

1