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SERVICE MANUAL
Ver 1.0 2004.02
Recording system
2-track 1 channel monaural
Tape speed
4.8 cm/s (1
7
/
ips) or 2.4 cm/s
8
(
15
/
ips)
16
Frequency range
250 - 6 300 Hz using nomal (TYPE
I) cassette (with REC TIME/PLAY
MODE switch at "NORMAL")
Speaker
Approx. 5.0 cm (2 in.) dia.
Power output
350 mW (at 10 % harmonic
distortion)
Input
Microphone input jack (minijack)
sensitivity 0.2 mV for 3 kΩ or
lower impedance microphone
Output
Earphone jack (minijack) for 8 -
300 Ω earphone
Variable range of the tape speed
From approx. +30% to −15% (with
REC TIME/PLAY MODE switch
at "NORMAL")
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
× 4
× 1
(3
1
/
5
/
7
/
in.)
2
8
16
Mass (main unit only)
Approx.
171 g (6.1 oz.)
Supplied accessories
AC power adaptor (1)
Battery power adaptor (1)
Rechargeable batteries
NH-7WMAA (1.2 V, 700 mAh, Ni-MH) (2)
Design and specifications are subject
to change without notice.
Sony Corporation
9-877-567-01
2004B05-1
Personal Audio Company
C 2004.02
Published by Sony Engineering Corporation
TCM-230DV
Model Name Using Similar Mechanism
Tape Transport Mechanism Type
SPECIFICATIONS
Battery life*
(approx. hours)
Batteries
Recording Playback
Sony alkalin
25
16
LR6 (SG)**
Sony R6P (SR)
6.5
4
Sony
rechargeable
10
6
batteries
NH-7WMAA
* Measured value by the standard of
JEITA (Japan Electronics and
Information Technology Industries
Association). (Using a Sony HF
series cassette tape on which music
has been recorded is played at
volume setting 7 using speaker)
** When using Sony LR6 (SG) alkaline
dry batteries (produced in Japan)
Note
The battery life may be shorter
depending on the operating condition,
the surrounding temperature and
battery type.
For maximum performance we
recommend that you use alkaline
batteries.
US Model
NEW
MT-200DV-175
House Current
Connect the AC power adaptor to
DC IN 3V and to the mains. Use the
AC-E30HG AC power adaptor (not
supplied) or the supplied AC power
adaptor (TCM-230DV/210DV only).
Do not use any other AC power
adaptor.
Polarity of
the plug
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
the easily accessible mains. Should
you notice an abnormality in the AC
power adaptor, disconnect it from
the mains immediately.
CASSETTE-CORDER
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Related Manuals for Sony TCM-230DV
Summary of Contents for Sony TCM-230DV
- Page 1 7 using speaker) sensitivity 0.2 mV for 3 kΩ or for each area. Check your local ** When using Sony LR6 (SG) alkaline lower impedance microphone voltage and the shape of the plug dry batteries (produced in Japan) before purchasing.
-
Page 2: Table Of Contents
IC pins, etc. OPERATION. REPLACE THESE COMPONENTS WITH • Usable with ordinary solder SONY PARTS WHOSE PART NUMBERS APPEAR AS It is best to use only unleaded solder but unleaded solder may SHOWN IN THIS MANUAL OR IN SUPPLEMENTS also be added to ordinary solder. -
Page 3: General
TCM-230DV SECTION 2 This section is extracted from instruction manual. GENERAL • LOCATION OF CONTROLS MIC (PLUG IN POWER) MIC (Built-in microphone, Micrófono incorporado) REC TIME/ z REC PLAY MODE x STOP SPEED CONTROL m REW/ REVIEW PAUSE . DC IN 3V... -
Page 4: Disassembly
TCM-230DV SECTION 3 DISASSEMBLY • This set can be disassembled in the order shown below. 3-1. DISASSEMBLY FLOW 3-2. SPEAKER (SP901), 3-3. CABINET (REAR) CASSETTE LID ASSY (Page 5) (Page 4) 3-4. MAIN BOARD (page 5) 3-5. MECHANISM DECK (MT-200DV-175) (Page 6) Note: Follow the disassembly procedure in the numerical order given. -
Page 5: Cabinet (Rear)
TCM-230DV 3-3. CABINET (REAR) 5 two claws 5 claw 7 cabinet (rear) 4 two screws (BTP 1.7 × 9 ) 5 claw 5 two claws 3 screw (BTP 1.7 × 9 ) 2 screw (1.7 × 16 ) 3-4. MAIN BOARD 5 three screws (M1.4 ×... -
Page 6: Mechanism Deck (Mt-200Dv-175)
TCM-230DV 3-5. MECHANISM DECK (MT-200DV-175) 2 two screws (M1.4 × 2.2) 3 screw (IB LOCK) 4 mechanism deck (MT-200DV-175) -
Page 7: Mechanical Adjustments
TCM-230DV SECTION 4 MECHANICAL ADJUSTMENTS PRECAUTION 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-230DV 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 switch (S301) : OFF WS-48A counter [SPEED CONTROL] (3 kHz, 0 dB) (RV603): center click 16 Ω... -
Page 9: Diagrams
TCM-230DV SECTION 6 DIAGRAMS 6-1. NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS Note on Printed Wiring Boards: Note on Schematic Diagram: • X : parts extracted from the component side. • All capacitors are in µF unless otherwise noted. pF: µµF •... - Page 10 TCM-230DV • IC Block Diagrams – MAIN Board – IC101 NJM2128M-TE2 IC102 LM4890MMX SHUTDOWN PRE +IN PRE -IN BIAS BYPASS – PRE OUT S GND POWER POWER POWER AMP A +IN A OUT A POWER – -IN A POWER AMP B...
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Page 11: Printed Wiring Boards
TCM-230DV 6-2. PRINTED WIRING BOARDS :Uses unleaded solder. MIC901 J102 D303 J103 (BATT) MAIN BOARD • Semiconductor (PLUG IN POWER) MAIN BOARD (COMPONENT SIDE) (CONDUCTOR SIDE) Location Ref. No. Location W105 C313 D301 C-11 R303 S501 R304 D303 A-12 R116... -
Page 12: Schematic Diagram
TCM-230DV 6-3. SCHEMATIC DIAGRAM • See page 10 for IC Block Diagrams. C302 R301 C105 1000p W105 MIC901 C101 0.047 R311 R312 R115 R303 R305 4.7k C309 R316 C126 W106 R309 2.2M 1000p C124 R201 6.3V 1000p C102 R304 R306... -
Page 13: Exploded Views
TCM-230DV SECTION 7 EXPLODED VIEWS NOTE: • -XX and -X mean standardized parts, so they • Items marked “*” are not stocked since they may have some difference from the original are seldom required for routine service. Some one. delay should be anticipated when ordering •... -
Page 14: Mechanism Deck Section-1 (Mt-200Dv-175)
TCM-230DV 7-2. MECHANISM DECK SECTION-1 (MT-200DV-175) HRP901 mechanism deck section-2 (MT-200DV-175) HE901 M901 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks 3-703-816-08 SCREW (M1.4X1.4), SPECIAL HEAD 3-703-816-16 SCREW (M1.4X2.5), SPECIAL HEAD 3-234-857-02 BELT (CAP) 3-703-925-41 SCREW (M1.4) -
Page 15: Mechanism Deck Section-2 (Mt-200Dv-175)
TCM-230DV 7-3. MECHANISM DECK SECTION-2 (MT-200DV-175) supplied not supplied not supplied not supplied not supplied Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks X-3381-206-2 CHASSIS ASSY (ARO) 3-225-393-03 LEVER (SHUT/OFF) 3-225-385-03 GEAR (B) X-3381-450-1 LEVER (EASY-N) ASSY... -
Page 16: Electrical Parts List
TCM-230DV SECTION 8 ELECTRICAL PARTS LIST MAIN NOTE: • Due to standardization, replacements in the • Items marked “*” are not stocked since they The components identified by mark 0 or dotted line with mark parts list may be different from the parts speci- are seldom required for routine service. - Page 17 TCM-230DV MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark < RESISTOR > < VARIABLE RESISTOR > R102 1-216-813-11 METAL CHIP 1/10W RV101 1-225-362-11 RES, VAR, CARBON 10K/10K (VOL w) R104 1-216-833-11 METAL CHIP 1/10W RV601 1-241-593-11 RES, ADJ, CERMET 4.7K...
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Page 18: Revision History
TCM-230DV 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...