Samsung MAX-L42 Manuale utente

3 VCD CHANGER

MINI MINI COMPONENT

MAX-L42/L42G/L45/ZL45/L47

SERVICE Manual

MIMI MIMI COMPONENT SYSTEM CONTENTS

1. Alignment and Adjustments

2. Exploded Views and Parts List

3. Electrical Parts List

4. Block Diagrams

5. PCB Diagrams

6. Wiring Diagram

7. Schematic Diagrams

1-1Samsung Electronics

1. Alignment and Adjustments

1-1 Tuner

FM THD Adjustment

Output

Output 23 dB

60 dB

Minumum Distortion (0.3% below)

(Figure 1-1)

SSG FREQ.

Adjustment

point

(TL3)

98 MHz

FM DETECTOR COIL

FM Search Level Adjustment

Adjust TSR1 so that “TUNED” of FLT

is lighted (Figure 1-2)

Figure1-2 FM Auto Search Level Adjustment

*Adjust FM S.S.G level to 23dB

Figure1-1 IF CENTER and THD Adjustment

SSG FREQ.

Adjustment

point

(TSR1)

98 MHz

BEACON

SENSITIVITY

SEMI-VR(5KΩ)FM S.S.G GND

23 dB

FM S.S.G

Output

GND

Speaker

Terminal

Antenna

Terminal

Distortion Meter

Input

SET

Input

output

Oscilloscope

FM IN

FM Antenna

SET

5 kΩ

OUTPUT

AM SSG

450KHZ

INPUT

AM ANT

Speaker Terminal

60cm

TL2

VTVM Oscilloscope

AM(MW) I.F Adjustment

Maximum output (Figure 1-3)

SSG FREQ.

Frequency

Adjustment

point

(TL2)

450 kHz

522 kHz

AM I.F COIL

Figure1-3 AM I.F Adjustment

OUTPUT

* Adjustment Location of SW Band

* Adjustment Location of LW Band

Alignment and Adjustments

1-2 Samsung Electronics

1-1-2 AM(MW),LW,SW1,SW2 Adjustment

Circuit Measuring Instrument & Step S.S.G Radio dial Adjusting Adjust for

to be Arrangement Frequency Setting Point

Adjusted

1 522KHz 522KHz MW OSC Aduust for 1.0V±0.1V at the low.

OSC Connect AM signal (IR117)

generator to loop

antenna,VTVM AND

oscilloscope 2 1611KHz 1611KHz MW OSC Check for 7.0V±1.0V at the high.

(Fig 1-3) (IR117)

(MW)

RF “ 1 594KHz 594KHz MW ANT Maximum out

INTER FREQ “ 1 455KHz 522KHz TL2 Maximum out

OSC Fig 1-3 1 146KHz LW OSC Aduust for 2.0V±0.1V at the low.

LW 2 290KHz LW OSC Check for 7.0V±1.0V at the high.

RF 1 150KHz 150KHz LW ANT Maximum out

OSC Fig 1-3 1 2.3MHz SW1 OSC Aduust for 1.0V±0.1V at the low.

SW1 2 7.3MHz - Check for 8.5V±1.0V at the high.

RF 1 3.5MHz 3.5MHz SW1 ANT Maximum out

OSC Fig 1-3 1 9.5MHz SW2 OSC Aduust for 1.5V±0.1V at the low.

SW2 2 26.1MHz - Check for 8.0V±1.0V at the high.

RF 1 10MHz 10MHz SW2 ANT Maximum out

Alignment and Adjustments

1-3Samsung Electronics

(GND)

VTVM

1-2-1 To Adjust Tape Speed

1) Measuring tape: i) MTT-111 (or equivalent)

(Tapes recorded with 3kHz)

ii) MTT-5512 (or equivalent)

2) Connect the cassette deck to the frequency counter

as in figure 1-4.

1) Before the actual adjustment, clean the play/recording

head.

2) Measuring tape :

i) MTT-114(or equivalent 10kHz AZIMUTH control)

ii) MTT-112(or equivalent) :

3) The cassette deck is connections as shown in figure 1-6.

Notes Notes

NOR

SPEED

Control

OUT

(connected

to the frequency

counter)

Turn CSR1 to

left and right 3KHz

5200~6600Hz

:Check

FIXED

Remark

Standard

To Adjust

Pre-Setup

Item

Step Pre-Setup

Condition

Same as above

1) Deck 1:MTT-111

2) Press PLAY

SW button

3) Deck 2:MTT-5512

1) Deck 1:MTT-111

2) Deck 2:MTT-5512

3) Press Hi-SPEED

button.

HI SPEED

Control

AZIMUTH

SPK OUT

(VTVM is

connected to

the scope)

1) Turn the control

screw to as shown

in Figure 1-5.

Max output

and same phase

(both channels)

After

adjustment

secure it with

REGION

LOCK.

Adjust to level

and same as

R-CH.

L-CH:Turn JSR2L

to the right and

left

R-CH : fixed.

See the

diagram for

adjustment

locations.

Remark

Standard

To Adjust

Pre-Setup

Item

Step Pre-Setup

Condition

Same as

above

After putting MTT-

114 into Deck 1

1)Press PLAY button.

PLAY MTT-112

on Deck 1.

PlayBack

out Level

AZIMUTH

SPK OUT

(VTVM is

connected to

the scope)

1) Turn the control

screw to as shown

in Figure 1-5.

Max output

and same phase

(both channels)

After

adjustment

secure it with

REGION

LOCK.

Check level

and same as

Deck1 level

No Adjustment See the

diagram for

adjustment

locations.

Remark

Standard

To Adjust

Pre-Setup

Item

Step Pre-Setup

Condition

Same as

above

After putting MTT-

114 into Deck 2

1)Press PLAY button.

PLAY MTT-150

on Deck 2.

PlayBack

out Level

1-2-2 To Adjust PlayBack Level

@ Adjust Deck 2 Play Level

! Adjust Deck 1 Play Level

Cassette Deck

output

SPK OUT

Frequency Counter

Figure 1-4

Figure 1-5

SPK OUT

Recording /Play head

AZIMUTH control screw

Figure 1-6

In Out

SET Oscilloscope

1-2 Cassette Deck

REC

Bias

Voltage

Connect to

JCW3 as in

Fig.1-7 and read

the VTVM.

L-CH;JSR2L

and R-CH;JSR2R

to the right and

left.

8mV

Remark

Standard

To Adjust

Pre-Setup

Item

Step Pre-Setup

Condition

Input MTT-5512

into Deck2,then

press REC button.

See diagram

for adjustment

location

Adjust REC Bias Voltage

Figure 1-7

SET

Oscilloscope

VTVM

JCW3

Samsung Electronics 2-1

2.Exploded Views and Parts List

2-1 Cassette Deck :ADR248AMW1(OPTION)

No. Code No. Description Specification Remarks

AH59-00123A ASS’Y DECK ADR248AMW1

1 AH81-00098A ASS.Y RP HEAD TR981PA MT91-11011S

2 AH81-00423A HEAD PB YB-7442CB09 MT59-00054A

3 AH81-00422A ASS,Y MOTOR ADR2400-CCM090L2 MT91-15013Y

4 AH81-00364A BELT MAIN1 ADR2400-MAIN 0.5 6602-001056

5 AH81-00365A BELT MAIN2 ADR2400-MAIN 1.3 6602-001057

6 AH81-00101A BELT SUB ADR2400-FR 6602-001055

7 AH81-00102A SOLENOID ADR2400-1 MT75-00049A

Samsung Electronics

2-2

2-2 Cassette Deck :ADR248DSW1(OPTION)

No. Code No. Description Specification Remarks

AH59-00118A ASS’Y DECK ADR248DSW1

1 AH81-00423A HEAD YB-7442CB09 MT59-00054A

2 AH81-00422A ASS,Y MOTOR ADR2400-CCM09-120L2 MT91-15013Y

3 AH81-00364A BELT MAIN1 ADR2400-MAIN 0.5 6602-001056

4 AH81-00365A BELT MAIN2 ADR2400-MAIN 1.3 6602-001057

5 AH81-00101A BELT SUB ADR2400-FR 34.7 6602-001055

6 AH81-00102A SOLENOID ADR2400-1 MT75-00049A

7 AH81-00424A E-HEAD E-621RM MT59-00055A

Samsung Electronics 2-3

2-3 Cassette Deck :CWL43FF36(OPTION);PIEGION

547

No. Code No. Description Specification Remarks

AH59-00126A ASS’Y DECK CWL43FF36

1 AH81-00472A PB HEAD TC881CB067P TC881CB067P

2 AH81-00472B E HEAD TC2131 TC2131

3 AH81-00472N ROLLER PINCH 22-027-41054 22-027-41054

4 AH81-00472W ASS’Y MOTOR SHU2L61 50-093-4643

5 AH81-00472C BELT BF 02-084-4204 02-084-4204

6 AH81-00472D BELT AF 02-084-4202 02-084-4202

7 AH81-00472X BELT FR 02-083-4188 02-084-4202

8 AH81-00474A SOLENOID 50-093-4145 50-093-4145

Samsung Electronics

2-4

2-4 Cassette Deck :CWL43FR37(OPTION);PIEGION

547

No. Code No. Description Specification Remarks

AH59-00126B ASS’Y DECK CWL43FR37

1 AH81-00472E ASS’Y R/P HEAD 50-093-4653 50-093-4653

2 AH81-00472A PB HEAD TC881CB067P TC881CB067P

3 AH81-00472N ROLLER PINCH 22-027-41054 22-027-41054

4 AH81-00472W ASS’Y MOTOR SHU2L61 50-093-4643

5 AH81-00472F BELT BR 02-084-4205 02-084-4205

6 AH81-00472D BELT AF 02-084-4202 02-084-4202

7 AH81-00472X BELT FR 02-083-4188 02-084-4202

8 AH81-00474A SOLENOID 50-093-4145 50-093-4145

Samsung Electronics 2-5

2-5 Total Exploded View and Parts List

2-5-1 Total Exploded View

Samsung Electronics

2-6

2-5-2 Parts List of Total Exploded view

No. Code No. Description ; Specification Q’ty REMARK No. Code No. Description ; Specification Q’ty REMARK

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