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Sony CFM-D1JMK2 Service Manual

Radio cassette-corder.
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CFM-D1JMK2/D1MK2
SERVICE MANUAL
Ver 1.0 2002.10
Frequency range
FM:
Saudi Arabia : 87.5 - 107 MHz
Tourist model: 87.5 - 107 MHz
Other models: 87.5 - 108 MHz
MW: 530 - 1 605 kHz
SW1: 2.3 - 7 MHz
SW2: 7 - 22 MHz
Aerials
FM/SW: Telescopic aerial
MW: Built-in ferrite bar aerial
Recording system
2-track 1 channel mono
Frequency response
50 - 8000 Hz
Speaker
Full range: 7.7 cm (3
1
inches) dia., 8Ω,double cone type (2)
8
Outputs
Earphone jack
For 32 Ω impedance earphone
Maximum power output
2 W
Sony Corporation
9-874-208-01
2002J0200-1
Personal Audio Company
© 2002.10
Published by Sony Engineering Corporation
Model Name Using Similar Machanism
Tape Transport Mechanism Type
SPECIFICATIONS
Power requirements
110 - 127, 220 - 240 V AC selectable, 50/60 Hz
6 V DC, 4 R20 (size D) batteries
Power consumption
AC 6 W
Battery life
FM recording:
Tape playback:
Dimensions
Approx. 330 x 147 x 120 mm (w/h/d)
7
3
(13 x 5
x 4
8
Mass (incl. batteries)
Approx. 2.2 kg (4 lb 14 oz)
Supplied accessory
Mains lead (1)
Design and specifications are subject to change without notice.
RADIO CASSETTE-CORDER
E Model
CFM-D1JMK2/D1MK2
Tourist Model
Sony R20P: approx. 20 h
Sony alkaline LR20: approx. 48 h
Sony R20P: approx. 18 h
Sony alkaline LR20: approx. 30 h
inches) (incl. projecting parts)
4
CFM-D1JMK2
NEW
MF-D1

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Table of Contents

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   Summary of Contents for Sony CFM-D1JMK2

  • Page 1 SW1: 2.3 - 7 MHz SW2: 7 - 22 MHz FM recording: Sony R20P: approx. 20 h Aerials Sony alkaline LR20: approx. 48 h FM/SW: Telescopic aerial Tape playback: Sony R20P: approx. 18 h MW: Built-in ferrite bar aerial Sony alkaline LR20: approx. 30 h...
  • Page 2: Table Of Contents

    COMPONENTS IDENTIFIED BY MARK ! OR DOTTED LINE WITH MARK ! ON THE SCHEMATIC DIAGRAMS AND IN THE PARTS LIST ARE CRITICAL TO SAFE OPERATION. REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY.
  • Page 3: General

    CFM-D1JMK2/D1MK2 SECTION 1 GENERAL LOCATION AND FUNCTION OF CONTROLS TAPE OPERATION BUTTONS TONE knob PAUSE OPR/BATT indicator STOP/EJECT FUNCTION SELECTOR (RADIO/TAPE (RADIO OFF)) FF (CUE) BAND SELECTOR (FM/SW1/SW2/MW) REW (REVIEW) TUNING knob PLAY FINE TUNING knob EARPHONE v VOLUME knob...
  • Page 4: Disassemdly

    CFM-D1JMK2/D1MK2 SECTION 2 DISASSEMBLY Note: Disassemble the unit in the order as shown below. Record/playback head (HRP101), Belt, Reel/capstan motor (M101) EARPHONE board, Cabinet (front) assy POWER board E.C.M board, MD assy (MF-D1) MAIN board 2-1. CABINET (FRONT ) ASSY...
  • Page 5 CFM-D1JMK2/D1MK2 2-2. E.C.M BOARD, MD ASSY(MF-D1) Cabinet (rear) assy 8 MD assy (MF-D1) 5 Connector (CN102) 6 Connector (CN101) 7 Two screws (+BVTP 3X10) 4 Chassis (tuning) 3 Two screws (+BVTP 3X10) 1 Two claws 2 E.C.M board 2-3. RECORD/PLAYBACK HEAD (HRP101), BELT, REEL/CAPSTAN MOTOR (M101)
  • Page 6 CFM-D1JMK2/D1MK2 2-4. EARPHONE BOARD, MAIN BOARD 3 Two knobs (VOLUME/TONE) 6 EARPHONE board 5 Screw (+BVTP 3X10) Cabinet (rear) assy 1 Knob (TUNING) qa Two knobs (FUNCTION/BAND) 8 Three screws (+BVTP 3X10) 2 Knob (FINE TUNING) 4 Gear, tuning qs MAIN board...
  • Page 7 CFM-D1JMK2/D1MK2 2-6. DIAL POINTER SETTING 2 Tuning gear 3 Knob(Tuning) assy 1 Tuning capacitor gear Tuning capacitor gear Fig-1 1. Turn the Tuning Capacitor Gear all the way in the direction of the arrow until it is positioned at the detent B ( ) position Fig-1.
  • Page 8: Adjustments

    CFM-D1JMK2/D1MK2 SECTION 3 ADJUSTMENTS 3-1. MECHANICAL ADJUSTMENTS 3-2. ELECTRICAL ADJUSTMENTS AND MEASUREMENTS CASSETE SECTION 0 dB=0.775V PRECAUTION Note : The adjustment should be performed in the order given in 1. Clean the following parts with a denatured-alcohol- this service manual.
  • Page 9 CFM-D1JMK2/D1MK2 Adjustment Location : REDIO SECTION FM Section BAND switch : FM tape speed adjustment control Inside motor FM rf signal generator 0.01 µ F telescopic antenna input 22.5kHz frequency deviation by 400Hz signal. output level : as low as possible...
  • Page 10 CFM-D1JMK2/D1MK2 < > : Saudi Arabia model [ ] : CFM-D1JMK2 FM IF ADJUSTMENT AM (MW/SW) IF ADJUSTMENT SW1 FREQUENCY COVERAGE ADJUSTMENT T1 : Adjust for a maximum reading on Adjust for a maximum reading on level meter. Adjust for a maximum reading on level meter.
  • Page 11: Diagrams

    CFM-D1JMK2/D1MK2 SECTION 4 DIAGRAMS 4-1. BLOCK DIAGRAMS MAIN BOARD FM/MW/LW FRONT-END PRE/POWER IF AMP, DET, FM MPX CT2, L2 IC101 ANT1 FM IF FREQUENCY FM OSC COVERAGE TRACKING TELESCOPIC S1-1 LINE ANTENNA FM RF IN FM MIX FM IF IN...
  • Page 12: Schematic Diagram (1/2)

    CFM-D1JMK2/D1MK2 4-2. SCHEMATIC DIAGRAM – MAIN (1/2) SECTION –...
  • Page 13: Schematic Diagram (2/2)

    CFM-D1JMK2/D1MK2 4-3. SCHEMATIC DIAGRAM – MAIN (2/2) SECTION –...
  • Page 14: Printed Wiring Boards

    CFM-D1JMK2/D1MK2 4-4. PRINTED WIRING BOARD POWER BOARD ANT1 T901 TELESCOPIC ANTENNA POWER TRANSFORMER E.C.M BOARD MAIN BOARD MIC101 BAND SW901 VOLTAGE S101 SELECTOR FUNCTION 110–120V TAPE (RADIO OFF) HRP101 220–240V PB/REC RADIO 1-659-687- HEAD (11) FERRITE-ROD ANTENNA CN101 AC IN CV1–4...
  • Page 15 CFM-D1JMK2/D1MK2 • IC BLOCK DIAGRAMS IC101 MM1315AS For schematic diagrams. For printed wiring boards. Note: Note: • All capacitors are in µF unless otherwise noted. pF: µµF 50 WV or less are not indicated except for electrolytics and tantalums. • ¢...
  • Page 16: Exploded Views

    CFM-D1JMK2/D1MK2 SECTION 5 EXPLODED VIEWS NOTE : • -XX, -X mean standardized parts, so they may • The mechanical parts with no reference num- The components identified by ber in the exploded views are not supplied. have some differences from the original one.
  • Page 17: Rear Cabinet Section

    CFM-D1JMK2/D1MK2 5-2. REAR CABINET SECTION 57 58 ANT1 F901 MF-D1 T901 not supplied The components identified by mark ! or dotted line with mark ! are criti- cal for safety. Replace only with part number speci- fied. Ref. No. Part No.
  • Page 18: Mechanism Deck Section (1)

    CFM-D1JMK2/D1MK2 5-3. MECHANISM DECK SECTION (1) (MF-D1) Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark ––––––– ––––––– ––––––––– –––––– ––––––– ––––––– ––––––––– –––––– 3-596-931-01 BELT, RF 3-915-758-01 SPRING 3-913-441-01 CLUTCH ASSY, RF 3-395-995-01 SCREW, MB 3-933-845-01...
  • Page 19: Mechanism Deck Section (2)

    CFM-D1JMK2/D1MK2 5-4. MECHANISM DECK SECTION (2) (MF-D1) Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark ––––––– ––––––– ––––––––– –––––– ––––––– ––––––– ––––––––– –––––– 3-915-756-01 SPRING (A) 3-913-440-01 PLATE ASSY, GEAR 3-394-739-01 LEVER, REW BUTTON 3-936-901-01 SPRING, RC...
  • Page 20: Electrical Parts List

    CFM-D1JMK2/D1MK2 EARPHONE MAIN SECTION 6 E.C.M ELECTRICAL PARTS LIST NOTE : • Due to standardization, replacements in the • SEMICONDUCTORS The components identified by mark In each case, u : µ , for example : parts list may be different from the parts speci- ! or dotted line with mark ! are criti- uA..
  • Page 21 CFM-D1JMK2/D1MK2 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark ––––––– ––––––– ––––––––– –––––– ––––––– ––––––– ––––––––– –––––– C116 1-136-171-00 FILM 0.33uF < IC > C117 1-162-294-31 CERAMIC 0.001uF 10% 50V C119 1-126-935-11 ELECT 470uF 20% 10V...
  • Page 22 CFM-D1JMK2/D1MK2 POWER MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark ––––––– ––––––– ––––––––– –––––– ––––––– ––––––– ––––––––– –––––– R115 1-247-855-11 CARBON 1/4W < JACK > R118 1-247-887-00 CARBON 220K 1/4W 0 J901 (D1MK2:E,SP,UAE) 1-526-838-31 INLET, AC 2P (- AC IN)
  • Page 23 CFM-D1JMK2/D1MK2 MEMO...
  • Page 24 CFM-D1JMK2/D1MK2 REVISION HISTORY Clicking the version allows you to jump to the revised page. Also, clicking the version at the upper right on the revised page allows you to jump to the next revised page. Ver. Date Description of Revision...

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