Sony Pressman TCS-60DV Bedienungsanleitung

TCS-60DV

US Model

Canadian Model

AEP Model

E Model

SERVICE MANUAL

CASSETTE CORDER

MICROFILM

SPECIFICATIONS

Model Name Using Similar Mechanism TCM-50DV

Tape Transport Mechanism Type MT-50-30

Recording system 4-track 2 channel stereo

Tape speed 4.8 cm/s or 2.4 cm/s

Frequency range 250 – 8,000 Hz using nomal (TYPE1) cassette

(with REC TIME switch at “NORMAL”)

Speaker Approx. 3.6 cm (17/16 in.) dia. ×2

Power output Speakers : 160 mW + 160 mW

(at 10 % harmonic distortion)

Headphones : 6 mW + 6 mW

(at 10 % harmonic distortion)

Input Microphone input jack (minijack) sensitivity

0.2 mV for 3 Ωor lower impedance

microphone

Output 2(headphones) jack (minijack) for

8 – 300 Ωearphone

Variable range of the tape speed

From approx. +25 % to – 15 %

(with REC TIME switch at “NOMAL”)

Power requirements 3 V DC batteries AA (R6) ×2/

External DC 3 V power sources

Dimensions (w/h/d)(incl. projecting parts and controls)

Approx. 88.7 ×113.4 ×41.3 mm

(31/2×41/2×111/16 inches), incl.

Mass Approx. 280 g (9.9 oz)

Design and specifications are subject to change without notice

Ver 1.0 1999. 03

— 2 —

TABLE OF CONTENTS

Notes on chip component replacement

• Never reuse a disconnected chip component.

• Notice that the minus side of a tantalum capacitor may be

damaged by heat.

Flexible Circuit Board Repairing

• Keep the temperature of soldering iron around 270˚C

during repairing.

• Do not touch the soldering iron on the same conductor of the

circuit board (within 3 times).

• Be careful not to apply force on the conductor when soldering

or unsoldering.

1. SERVICE NOTE ······························································· 3

2. GENERAL ·········································································· 4

3. DISASSEMBLY

3-1. Cabinet (rear)Assy, Lid Sub Assy, Cassette ··················· 5

3-2. MAIN Board, Mechanism Deck ····································· 5

3-3. Belt·················································································· 6

3-4. Head ················································································ 6

3-5. Motor, DC ······································································· 7

3-6. Precaution ForAttaching The MAIN Board···················7

4. ADJUSTMENT ································································· 8

5. DIAGRAMS

5-1. Block Diagram ································································ 9

5-2. Schematic Diagram······················································· 11

5-3. Printed Wiring Board –MAIN Section – ······················ 15

5-4. Printed Wiring Board –LED Section – ························· 20

5-5. IC Block Diagrams ······················································· 24

5-6. IC Pin Function Discription ·········································· 26

6. EXPLODEDVIEWS

6-1. MAIN Section -1 ·························································· 27

6-2. MAIN Section -2 ·························································· 28

6-3. Mechanism Deck Section -1 ········································· 29

6-4. Mechanism Deck Section -2 ········································· 30

7. ELECTRICAL PARTS LIST ······································· 31

— 3 —

PULSE

10Hz 1.6V (4.5dB)

Oscillator

(Side B) (Side A)(Side A)

TP41

TP1

S301

S302

SECTION 1

SERVICE NOTE

The TCS-60DV detects rotation of both the supply and take-up side

reels using the PH701 (photo reflector). Because the PH701 is

mounted on the Main board, auto stop is activated and reel rotation

cannot be detected when the Main board is removed. To check the

operation of mechanism deck and voltage without the Main board,

follow the procedure as described below.

How to remove the Main board (opening the Main board)

1) Refer to page 5 “3. Disassembly”.

How to enter the fast forward/rewind modes

1) Input the square wave to the TP41. (Refer to the illustration

below.)

2) Press the fast forward/rewind keys.

3) Turn on the S301.

How to enter the playback mode

1) Input the square wave to the TP41. (Refer to the illustration

below.)

2) Press the playback key.

3) Set the S302 to the PLAY.

4) Turn on the S301.

How to enter the record mode

1) Input the square wave to the TP41. (Refer to the illustration

below.)

2) Press the record key.

3) Set the S302 to the REC.

4) Turn on the S301.

— 4 —

SECTION 2

GENERAL This section is extracted

from instruction manual.

!™ Tape direction indicators

!£ SPEAKER (REAR SIDE)

!¢ TAPE COUNTER switch

!∞ Flat mic

!§ PAUSE cswitch

!¶ REC TIME switch

!• BATT/REC indicator

!ª VOR switch

@º Battery compartment

@¡ iindicator

@™ DC IN 3V jack

12Headphone jack

2MIC (PULG IN POWER) jack

3VOL knob

4rREC button

5pSTOP button

6PLAY button

7SPEED CONTROL knob

8REW/REVIEW button

9FF/CUE button

0DIR cswitch

!¡ Hand strap

— 5 —

SECTION 3

DISASSEMBLY

Disassemble the unit in the order as shown below.

Note : Follow the disassembly procedure in the numerical order given.

3-1. “CABINET (REAR) ASSY”,“LID SUB ASSY, CASSETTE”

Set "Cabinet (rear) assy", "lid sub assy, cassette" Main board, Mechanism deck Belt Head

Motor, dc

3-2. MAIN BOARD, MECHANISM DECK

Two screws(+B1.7

Remove speaker cable (4pcs)

PWB, LED Flexible

Shaft(A), stopper

Screw, ornamental

Lid Sub Assy, Cassette

Claws

Remove the Cabinet (rear) assy

in the direction of the allow

Claws

PC board, Motor flexible

Three screws(IB LOCK)

Mechanism deck

PC board, Head flexible

Two screws(M1.4), Toothed lock

MAIN board

NOTE: For attaching the Main board,

refer to the next page.

— 6 —

3-3. BELT

Belt(motor)

Belt(flywheel)

Belt(counter)

• How to thread the belt

3-4. HEAD

two screws

head, magnetic

(REC/PB/ERASE)

TCS-60DV

— 11 — — 12 — — 13 — — 14 —

5-2. SCHEMATIC DIAGRAM

34567891011121314151617181920212223242526

•Waveform

1TP45 REC DOUBLE MODE

TP45 REC NORMAL MODE

52 kHz

10 µsec/div

5 V/div

10 µsec/div

10 V/div

5 µsec/div

1 V/div

52 kHz

IC303 3LX REC

Note on Schematic Diagram:

• All capacitors are in µF unless otherwise noted. pF: µµF

50 WV or less are not indicated except for electrolytics

and tantalums.

• All resistors are in Ωand 1/4W or less unless otherwise

specified.

• % : indicates tolerance.

•C: panel designation.

•U: B+ Line.

•H: adjustment for repair.

• Power voltage is dc3V and fed with regulated dc power

supply from battery terminal.

• Voltages and waveforms are dc with respect to ground

under no-signal (detuned) conditions.

no mark : REC/PB

( ) : REC

< > : PB

• Voltagesaretaken witha VOM (Inputimpedance 10MΩ).

Voltage variations may be noted due to normal produc-

tion tolerances.

• Waveforms are taken with a oscilloscope.

Voltage variations may be noted due to normal produc-

tion tolerances.

• Circled numbers refer to waveforms.

• Signal path.

E: REC

a: PB

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