Sony TCM-150 Service Manual
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Sony TCM-150 Service Manual

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SERVICE MANUAL
Ver 1.2 2003. 06
Recording system
2-track 1 channel monaural
Tape speed
4.8 cm/s or 2.4 cm/s
Frequency range
250 - 6 300 Hz using nomal (TYPE
I) cassette
Speaker
Approx. 5.0 cm (2 in.) dia.
Power output
250 mW (at 10% harmonic
distortion)
Output
Earphone jack (minijack) for 8 -
300 Ω earphone
Power requirements
• 3 V DC batteries R6 (AA) x 2
• External DC 3 V power sources
Dimensions (w/h/d) (incl. projecting
parts and controls)
Approx. 86.9 × 116.3 × 36.5 mm
(3
1
/
× 4
5
/
× 1
7
2
8
Mass (main unit only)
Approx. 169 g (6.0 oz.)
Design and specifications are subject
to change without notice.
Sony Corporation
9-874-161-03
2003F16-1
Personal Audio Company
© 2003.06
Published by Sony Engineering Corporation
SPECIFICATIONS
Battery life*
Playback
Recording
* Measured value by the standard of
JEITA (Japan Electronics and
Information Technology Industries
Association). (Using a Sony HF
series cassette tape)
** When using a Sony LR6 (SG)
"STAMINA" alkaline dry batteries
(produced in Japan)
Note
The battery life may shorten
depending on the operation of the
unit.
For maximum performance we
recommend that you use alkaline
/
in.)
16
batteries.
TCM-150
Model Name Using Similar Mechanism
Tape Transport Mechanism Type
(approx. hours)
House Current
Sony
Sony
alkaline
R6P
Connect the AC power adaptor to
LR6 (SG)**
(SR)
DC IN 3V and to a wall outlet. Use
16
4
the AC-E30HG AC power adaptor
25
6.5
(not supplied). Do not use any other
AC power adaptor.
Notes
• Specifications for AC-E30HG vary
for each area. Check your local
voltage and the shape of the plug
before purchasing.
• Do not touch the AC power adaptor
with wet hands.
• Connect the AC power adaptor to an
easily accessible AC outlet. Should
you notice an abnormality in the AC
power adaptor, disconnect it from
the AC outlet immediately.
E Model
Chinese Model
NEW
MT-150-175
Polarity of
the plug
CASSETTE-CORDER

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Summary of Contents for Sony TCM-150

  • Page 1 Association). (Using a Sony HF 250 mW (at 10% harmonic the plug series cassette tape) distortion) ** When using a Sony LR6 (SG) Output Notes “STAMINA” alkaline dry batteries Earphone jack (minijack) for 8 - • Specifications for AC-E30HG vary (produced in Japan) 300 Ω...

  • Page 2: Table Of Contents

    TCM-150 SECTION 1 SERVICING NOTE TABLE OF CONTENTS 1. SERVICING NOTE In this set, the S102 (POWER) detects REC/PLAYBACK on. ························································· 2 It is mounted on the MAIN board, and therefore the REC/ PLAYBACK on cannot be detected with the MAIN board removed.

  • Page 3: General

    TCM-150 SECTION 2 GENERAL • Location of Controls BATT Built-in microphone z REC x STOP m REW/ REVIEW PAUSE . DC IN 3V...

  • Page 4: Disassembly

    TCM-150 SECTION 3 DISASSEMBLY Note: Follow the disassembly procedure in the numerical order given. SPEAKER (SP901), CASSETTE LID ASSY MECHANISM DECK REAR CABINET MAIN BOARD (MT-150-175) 3-1. Speaker (SP901), Cassette Lid Assy 2 boss 9 cassette lid assy 8 spring (cassette)

  • Page 5: Rear Cabinet

    TCM-150 3-2. Rear Cabinet two claws claw 6 rear cabinet 4 two screws (BTP 1.7 × 9 ) claw two claws 3 screw (BTP 1.7 × 9 ) 2 screw (1.7 × 16 ) 3-3. MAIN Board 5 three screws (M1.4)

  • Page 6: Mechanism Deck (Mt-150-175)

    TCM-150 3-4. Mechanism Deck (MT-150-175) 2 two screws (IB LOCK) 3 screw (SERRAT IB LOCK) 4 mechanism deck (MT-150-175)

  • Page 7: Mechanical Adjustments

    TCM-150 SECTION 4 MECHANICAL ADJUSTMENTS 1. Clean the following parts with a denatured-alcohol-moistened swab: record/playback head pinch roller erase head rubber belt capstan idlers 2. Demagnetize the record/playback head with a head demagnetizer. (Do not bring the head demagnetizer close to the erase head.) 3.

  • Page 8: Electrical Adjustments

    TCM-150 SECTION 5 ELECTRICAL ADJUSTMENTS Setting: Tape Speed Adjustment • Supplied voltage: 2.5 V Mode: playback • Switch and control position [VOL control (RV101) : mechanical center test tape frequency [PAUSE WS-48A switch (S301) : OFF counter (3 kHz, 0 dB) 10 k Ω...

  • Page 9: Diagrams

    TCM-150 SECTION 6 DIAGRAMS Note on Schematic Diagram Note on Printed Wiring Boards: • IC Block Diagrams • All capacitors are in µF unless otherwise noted. pF: µµF • X : parts extracted from the component side. 50 WV or less are not indicated except for electrolytics •...

  • Page 10: Block Diagram

    TCM-150 6-1. Block Diagram MIC901 SP901 (SPEAKER) IC101 (1/2) PRE AMP, RIPPLE FILTER RV101 IC101 (2/2) POWER AMP, ALC HRP901 – (REC/PB) J103 +INA S101 (A) OUTA – (PB/REC) HE901 -INA (ERASE) S101 (B) Q302 (PB/REC) MUTING -INB RIPPLE –...

  • Page 11: Printed Wiring Board

    TCM-150 6-2. Printed Wiring Board MAIN BOARD J101 DRY BATTERY DC IN 3V SIZE"AA" (IEC DESIGNATION R6) 2PCS. 3V C312 C311 C302 C301 J103 S101 (REC/PB) SP901 C307 C611 IC101 C309 RV101 C304 IC601 S102 (POWER) D303 BATT 1-686-272- PAUSE...

  • Page 12: Schematic Diagram

    TCM-150 6-3. Schematic Diagram TP13 R305 R301 TP12 C302 C309 10 6.3V JP104 SP901 C104 6.3V S101 JP105 JP106 0.047 R311 C117 4.7k C116 R316 0.01 2.2M MIC901 C101 JP111 0.047 R312 R201 R111 TP22 C115 JP112 J103 R309 JP215...

  • Page 13: Exploded Views

    TCM-150 Ver 1.1 2003.02 SECTION 7 EXPLODED VIEWS NOTE: • -XX and -X mean standardized parts, so they • The mechanical parts with no reference num- • Abbreviation may have some difference from the original ber in the exploded views are not supplied.

  • Page 14: Mechanism Deck Section-1 (Mt-150-175)

    TCM-150 7-2. Mechanism Deck Section-1 (MT-150-175) HRP901 mechanism deck section-2 (MT-150-175) HE901 supplied M901 A (Included in No.151) Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks 3-704-197-01 SCREW (M1.4), SPECIAL HEAD 3-704-197-23 SCREW (M1.4X2.5), SPECIAL HEAD 3-234-857-01 BELT (CAP) 3-703-925-21 SCREW (M1.4)

  • Page 15: Mechanism Deck Section-2 (Mt-150-175)

    TCM-150 7-3. Mechanism Deck Section-2 (MT-150-175) supplied B (Included in No.151) (Including A, B ) Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks X-3381-206-1 CHASSIS ASSY (ARO) 3-229-064-01 WASHER, STOPPER 3-225-385-01 GEAR (B) 3-225-393-01 LEVER (SHUT/OFF)

  • Page 16: Electrical Parts List

    TCM-150 Ver 1.1 2003.02 SECTION 8 MAIN ELECTRICAL PARTS LIST NOTE: • Due to standardization, replacements in the • Items marked “*” are not stocked since they • COILS parts list may be different from the parts speci- are seldom required for routine service.
  • Page 17 TCM-150 Ver 1.2 2003.06 MAIN Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks R109 1-216-833-11 METAL CHIP 1/10W MISCELLANEOUS R110 1-216-833-11 METAL CHIP 1/10W *************** R111 1-216-793-11 METAL CHIP 1/10W R112 1-216-789-11 METAL CHIP 1/10W HE901...

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