Sony TC-S3 Bedienungsanleitung

SERVICE MANUAL

STEREO CASSETTE DECK

AEP Model

UK Model

E Model

Australian Model

SPECIFICATIONS

TC-S3

Ver 1.0 2001.04

9-873-837-11 Sony Corporation

2001D0500-1 Home Audio Company

C2001.4 ShinagawaTec Service Manual Production Group

TC-S3 is the Tape deck section

in MHC-S7AV/SV7AV/S3.

Recording system 4-track 2-channel stereo

Frequency response 60 – 13,000 Hz (±3 dB),

(DOLBY NR OFF) using Sony TYPE I

cassette,

60 – 14,000 Hz (±3 dB),

using Sony TYPE II

cassette

Wow and flutter ±0.15% W.Peak (IEC)

0.1% W.RMS (NAB)

±0.2% W.Peak (DIN)

Dimensions (w/h/d)

Approx. 280 x 128 x 330 mm

Mass Approx. 2.4 kg

Design and specifications are subject to change

without notice.

Tape deck Model Name Using Similar Mechanism NEW

Section Tape Transport Mechanism Type TCM-230AWR41/

230MWR41

Dolby noise reduction manufactured under license

from Dolby Laboratories Licensing Corporation.

“DOLBY” and the double-D symbol ;are trade-

marks of Dolby Laboratories Licensing Corporation.

TC-S3

TABLE OF CONTENTS

1. SERVICING NOTES ................................................ 3

2. GENERAL

Location of Controls ....................................................... 4

3. DISASSEMBLY

3-1. Disassembly Flow ........................................................... 6

3-2. Cover ............................................................................... 6

3-3. MAIN Board ................................................................... 7

3-4. Front Panel Section ......................................................... 7

3-5. Tape Mechanism Deck

(TCM-230AWR41/230MWR41).................................... 8

3-6. LEAF SW Board, HEAD (A) Board,

HEAD (B) Board ............................................................ 8

4. TEST MODE.............................................................. 9

5. MECHANICAL ADJUSTMENTS....................... 10

6. ELECTRICAL ADJUSTMENTS......................... 10

7. DIAGRAMS

7-1. Note for Printed Wiring Boards and

Schematic Diagrams ....................................................... 13

7-2. Schematic Diagram –MAIN Section (1/2) –................ 14

7-3. Schematic Diagram –MAIN Section (2/2) –................ 15

7-4. Printed Wiring Board –MAIN Section –...................... 16

7-5. Schematic Diagram –LEAF SW Section –................. 17

7-6. Printed Wiring Board –LEAF SW Section –............... 17

7-7. Schematic Diagram –PANEL Section –....................... 18

7-8. Printed Wiring Boards –PANEL Section –.................. 18

7-9. IC Pin Function Description ........................................... 19

8. EXPLODED VIEWS

8-1. General Section ............................................................... 21

8-2. Front Panel Section ......................................................... 22

8-3. Tape Mechanism Deck Section-1

(TCM-230AWR41/230MWR41) .................................... 23

8-4. Tape Mechanism Deck Section-2

(TCM-230AWR41/230MWR41) .................................... 24

9. ELECTRICAL PARTS LIST ............................... 25

Notes on chip component replacement

•Never reuse a disconnected chip component.

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

aged by heat.

SAFETY-RELATED COMPONENT WARNING!!

COMPONENTS IDENTIFIED BY MARK 0OR DOTTED

LINE WITH MARK 0ON 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 PUB-

LISHED BY SONY.

TC-S3

SECTION 1

SERVICING NOTES

This set is a component of the MHC-S7AV, MHC-SV7AV and

MHC-S3.

The MHC-S7AV/SV7AV/S3 system configuration is as shown be-

low, and therefore it does not operate normally unless all four com-

ponents are connected.

In performing the repair, connect all components with the system

cables.

Note: The precaution to the users is described on the label stuck on

the back panel (CD player) and in the troubleshooting section in

the Operation Manual.

System Configuration:

POWER SUPPLY

AC IN

SYSTEM & CD

con

CDP

con

DISPLAY

Model PART No.

AEP and UK models 4-233-093-0[]

Australian, Saudi Arabia

and Korean models 4-233-093-1[]

Sigapore model 4-233-093-2[]

Thailand and Mexican models 4-233-093-3[]

• MODEL IDENTIFICATION

– Rear Panel –

PART No.

TC-S3 SECTION 2

GENERAL This section is extracted from

instruction manual.

LOCATION OF CONTROLS

– Front Panel –

– Rear Panel –

AUTO REVERSE

A A

rgrhrjrkrlt;

CD SYNC rh (20, 21)

DIRECTION t; (19, 20, 21)

DOLBY NR rl (19, 20)

EDIT rk (21)

HI-DUB rj (20)

REC PAUSE/START rg (20, 21)

– Deck A –

N(forward play) tf (19, 35)

n(reverse play) td (19, 35)

x(stop) ts (19)

M/> (fast forward/go

forward) th (19)

m/. (rewind/go back) tg

(19)

Z(eject) ta (19)

– Deck B –

N(forward play) ra (19, 20, 35)

n(reverse play) rs (19, 20, 35)

x(stop) rd (19, 20)

M/> (fast forward/go

forward) el (19)

m/. (rewind/go back) r;

(19)

Z(eject) rf (19)

1SYSTEM CONTROL 5 connector

(FROM CDP-S3/MCE-VS77)

2SYSTEM CONTROL 4 connector

(FROM ST-S5/S3/VS77)

TC-S3

Mm X

123

Remote Control

CD Hes (14, 15)

CHECK 5(15)

CLEAR 6(15)

CLOCK/TIMER SELECT qj

(30)

CLOCK/TIMER SET qk (13, 21,

29)

DBFB qg (23)

DISPLAY ws (13, 16, 18, 29, 35)

D.SKIP 4(14)

ENTER wg (10, 12, 13, 15, 17,

18, 21, 22, 26–30)

EQ qd (27)

EQ ON/OFF qf (10, 28)

FUNCTION wf (10, 14, 15, 20,

21, 31)

GROOVE wa (23)

SET UP qs (10, 12, 26, 28, 29)

SLEEP 7(29)

SUR wd (25)

TAPE A hH ea (19, 35)

TAPE B hH e; (19, 20, 35)

TUNER/BAND wl (17)

TUNING + 9(17)

TUNING – wh (17)

TV CH +/– ql

TV VOL +/– w;

TV @/1 2

TV/VIDEO 1

VOL +/– qh

BUTTON DESCRIPTIONS

@/1 (power) 3

X(pause) q;

x(stop) 8

.(go back) wk

>(go forward) wj

m(rewind) wh

M(fast forward) 9

O/o/P/pqa

TC-S3

• This set can be disassembled in the order shown below.

3-1. DISASSEMBLY FLOW

SECTION 3

DISASSEMBLY

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

3-2. COVER

(Page 6)

3-3. MAIN BOARD

(Page 7) 3-4. FRONT PANEL SECTION

(Page 7)

3-6. LEAF SW BOARD, HEAD (A) BOARD, HEAD (B) BOARD

(Page 8)

3-5. TAPE MECHANISM DECK

(TCM-230AWR41/230MWR41)

(Page 8)

SET

two screws

(case 3 TP2)

two screws

(case 3 TP2)

three screws

(BVTP3

Remove the cover in the

direction of arrow

TC-S3

3-3. MAIN BOARD

3-4. FRONT PANEL SECTION

connector

(CN1)

MAIN board

wire (flat type) (17 core)

(CN311)

three connectors

(CN309, 310, 314)

three screws

(BVTP3

screw

(BVTP3

PC board holder

connector

(CN2)

front panel section

connector

(CN1)

screw

(BVTP3

connector

(CN314)

wire (flat type) (17 core)

(CN311)

lug

two claws

connector

(CN2)

three claws

three screws

(BVTP3

TC-S3

3-5. TAPE MECHANISM DECK (TCM-230AWR41/230MWR41)

five screws

(BVTP2.6

)

tape mechanism deck

(TCM-230AWR41/230MWR41)

Open the

cassette holder (L)/(R).

lug

3-6. LEAF SW BOARD, HEAD (A) BOARD, HEAD (B) BOARD

screw (+PTT 2

LEAF

SW board

five claws

head (A) board

head (B) board

Remove the four solderings.

TC-S3

SECTION 4

TEST MODE

Note: Use following buttons in the test mode.

no mark: Button of Tape unit (TC-S3)

*1 : Button of amplifier unit (TA-S7AV or TA-S3)

*2 : Button of CD unit (CDP-S3)

[MCTest Mode]

Enter the MCTest Mode

Procedure:

1. Press the I/1*1button to turn the power on.

2. While pressing the both [PLAY MODE]*2and [ ]*2buttons,

press the [DISC 3]*2button.

3. “GROOVE” indication blinks on the fluorescent indicator tube

in the midst of MC test mode.

Releasing the MCTest Mode

To release from this mode, press the I/1*1button or disconnect

the power cord.

[DECKTest Mode]

In the DECK test mode, it operates as follows.

Cancellation of the linear mute of DOLBY IC (IC301)

• It become cancellation automatically when it is possible to en-

ter a MC test mode.

AMS checking

Procedure:

1. Enter the MC test mode.

2. Insert a test tape AMS-110A or AMS-120 to Deck A.

3. Set TAPE A function.

4. Press the [CD SYNC] button to enter the AMS test mode.

5. After a tape is rewound first, the FF AMS is checked, and the

mechanism is shut off after detecting the ASM signal twice.

6. Then the REW AMS is checked and the mechanism is shut off

after detecting the AMS signal twice.

7. When the check is complete, a message of either OK or NG

appears.

(To check an AMS of the B deck, select TAPE B function.

After that, press [CD SYNC].)

ALC checking

Procedure:

1. Enter the MC test mode.

2. Insert a tape into Deck B.

3. During Recording, Keep holding down the below keys.

[ ]*2+ [REC PAUSE/START]

ALC could keep ON while these keys keep being pressed,ALC

could keep OFF while keys are released.

Double speed REC mode

Procedure:

1. Enter the MC test mode

2. Insert a tape into Deck B.

3. During Recording, keep holding down the below key.

[HI-DUB]

Double speed recording is going on while the key keeps being

pressed.

REC/PLAY checking

• The mode to PLAY by rewinding recording contents automati-

cally.

Procedure:

1. If recording A surface, it returns automatically at the point of

the recording beginning and it replays when pressing

TAPE B [ ].

2. If recording B surface, it returns automatically at the point of

the recording beginning and it replays when pressing

TAPE B [ ].

TC-S3 SECTION 5

MECHANICAL ADJUSTMENTS SECTION 6

ELECTRICAL ADJUSTMENTS

0 dB=0.775 VDECK SECTION

1. Demagnetize the record/playback head with a head

demagnetizer.

2. Do not use a magnetized screwdriver for the adjustments.

3. After the adjustments, apply suitable locking compound to the

parts adjust.

4. The adjustments should be performed with the rated power

supply voltage unless otherwise noted.

5. The adjustments should be performed in the order given in

this service manual. (As a general rule, playback circuit ad-

justment should be completed before performing recording

circuit adjustment.)

6. The adjustments should be performed for both L-CH and R-

CH.

7. Switches and controls should be set as follows unless other-

wise specified.

8. Please refer to “SERVICING NOTES” (page 3) before adjust-

ments.

• Test Tape

Tape Signal Used for

P-4-A100 10 kHz, –10 dB Azimuth Adjustment

WS-48B 3 kHz, 0 dB Tape Speed Adjustment

P-4-L300J 315 Hz, 0 dB Level Adjustment

DECK A DECK B

Record/Playback Head Azimuth Adjustment

Note: Perform this adjustments for both decks

Procedure:

1. Mode: Playback

Precaution

1. Clean the following parts with a denatured alcohol-moistened

swab:

record/playback heads pinch rollers

erase head rubber belts

capstan idlers

2. Demagnetize the record/playback head with a head demagne-

tizer.

3. Do not use a magnetized screwdriver for the adjustments.

4. After the adjustments, apply suitable locking compound to the

parts adjusted.

5. The adjustments should be performed with the rated power

supply voltage unless otherwise noted.

Torque Measurement

set ST-

S3/S5/SV7

test tape

P-4-A100

(10 kHz, –10 dB)

–

level meter

MD OUT jack

(J601)

3.06 N • m to 6.96 N • m

31 to 71 g • cm

(0.43 – 0.98 oz • inch)

0.19 N • m to 0.58 N • m

2 to 6 g • cm

(0.02 – 0.08 oz • inch)

3.06 N • m to 6.96 N • m

31 to 71 g • cm

(0.43 – 0.98 oz • inch)

0.19 N • m to 0.58 N • m

2 to 6 g • cm

(0.02 – 0.08 oz • inch)

6.96 N • m to 14.02 N • m

71 to 143 g • cm

(0.98 – 1.99 oz • inch)

9.80 N • m

100 g or more

(3.53 oz or more)

9.80 N • m

100 g or more

(3.53 oz or more)

Mode Torque meter

CQ-102C

CQ-102RC

CQ-201B

CQ-403A

CQ-403R

Meter reading

FWD

back tension

REV

back tension

FF/REW

FWD tension

REV tension

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