SAMSUNG MAX-L42, MAX-L42G, MAX-L45, MAX-L47, MAX-ZL45 Service Manual

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

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

FM Antenna Terminal

Distortion Meter

Input

SET

Input

output

Oscilloscope

FM IN

FM Antenna

SET

5 kΩ

OUTPUT

AM SSG 450KHZ

INPUT

AM ANT IN

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) AM (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

NOR SPEED Control

1

2

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

1

2

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

1

2

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

1

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

IN

JCW3

Samsung Electronics 2-1

2.Exploded Views and Parts List

2-1 Cassette Deck :ADR248AMW1(OPTION)

No. Code No. Description Specification Remarks

88

2

1

7

6

4

6

3

5

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)

88

2

4

5

3

5

6

1

7

6

1

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

6

5

4

7

8

2

3

1

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

2

3

6

5

4

7

8

3

1

7

8

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

Samsung Electronics 2-7

2-6 CD Deck Exploded View and Parts list

No. Code No. Description Specification Remarks

CMS300-V ASS’Y-DECK CMS-300 1 AH66-80022A SLIDER-CAM ABS HF-380 NTR 2 AH66-60034A BELT-LOAD CR 3 AH66-20186A GEAR-PULLEY POM (M90-44) WHT 4 AH66-20187A GEAR-LOAD POM (M90-44) BLK 5 AH66-20188B GEAR-CAM POM (M90-44) WHT 6 AH66-20189B GEAR-TRAY POM (M90-44) BLK 7 AH66-20190B GEAR-CONVERT POM (M90-44) WHT 8 AH66-20191A GEAR-SYNCRO ABS HF-380 NTR 9 AH66-20192A GEAR-WORM POM(M90-44),M0.5,PCD4.5 10 AH31-12001A MOTOR-LOADING FF-030PN-09120 11 AH66-20193A GEAR-ROULLETE POM(M90-44) BLK 12 AH63-00324A TRAY-ROULLETE ABS XR-401 BLK 13 AH63-00325A TRAY-DISC ABS BLK 14 AH32-10001F SENSOR KPI-L06 15 AH61-00837A BASE-MAIN ABS,NATURAL,CMS-300 16 3302-000159 MAGNET AC,3500-3800G,2.6-3.2MGOe,30 17 AH63-90053A TABLE-CHUCK ,ABS,+GF20%,BLK, 18 AH63-00068B SHEET-CHUCK SHEET,HYMERON,BLK,0.4T 19 3405-000101 SWITCH -MICRO MLS-24 20 AH31-10021A MOTOR-DC RF-500TB,9VDC/130MA 21 AH66-10008A PULLEY-MOTOR POM,BLK,CMS-CR3 22 AH73-10031A RUBBER-CD(R) SI,CMS-300,40,RED 23 AH91-60150C CDP DECK ASSY CMS-D73SG6U 24 AH66-30098A LEVER-LIFTER ABS BLK CMS-300 25 AH30-00007A PICK-UP SOH-AD3 26 AH73-10034A RUBBER-CD(G) SI,CMS-300,40,GREEN 27 AH92-00922A ASS’Y PCB CD MAIN 28 AH61-00225A BRKT-CHUCK SECL 0.8t

2-6-1. Application Model :MAXL42/L42G/L45

8

2

12

TRAY STOPPER

13

7

10

11

1

3

6

28

5

4

BASE MAIN

15

19

16

21

17

20

18

27

CD SUB PCB

22

9

26

14

24

23

25

Samsung Electronics

2-8

2-6-2. Application Model :MAXZL45

No. Code No. Description Specification Remarks

CMS300-X ASS’Y-DECK CMS-300 1 AH66-80022A SLIDER-CAM ABS HF-380 NTR 2 AH66-60034A BELT-LOAD CR 3 AH66-20186A GEAR-PULLEY POM (M90-44) WHT 4 AH66-20187A GEAR-LOAD POM (M90-44) BLK 5 AH66-20188B GEAR-CAM POM (M90-44) WHT 6 AH66-20189B GEAR-TRAY POM (M90-44) BLK 7 AH66-20190B GEAR-CONVERT POM (M90-44) WHT 8 AH66-20191A GEAR-SYNCRO ABS HF-380 NTR 9 AH66-20192A GEAR-WORM POM(M90-44),M0.5,PCD4.5 10 AH31-12001A MOTOR-LOADING FF-030PN-09120 11 AH66-20193A GEAR-ROULLETE POM(M90-44) BLK 12 AH63-00324A TRAY-ROULLETE ABS XR-401 BLK 13 AH63-00325A TRAY-DISC ABS BLK 14 AH32-10001F SENSOR KPI-L06 15 AH61-00837A BASE-MAIN ABS,NATURAL,CMS-300 16 3302-000159 MAGNET AC,3500-3800G,2.6-3.2MGOe,30 17 AH63-90053A TABLE-CHUCK ,ABS,+GF20%,BLK, 18 AH63-00068B SHEET-CHUCK SHEET,HYMERON,BLK,0.4T 19 3405-000101 SWITCH -MICRO MLS-24 20 AH31-10021A MOTOR-DC RF-500TB,9VDC/130MA 21 AH66-10008A PULLEY-MOTOR POM,BLK,CMS-CR3 22 AH73-10031A RUBBER-CD(R) SI,CMS-300,40,RED 23 AH91-60150C CDP DECK ASSY CMS-D73SG6U 24 AH66-30098A LEVER-LIFTER ABS BLK CMS-300 25 AH30-00007A PICK-UP SOH-AD3 26 AH73-10034A RUBBER-CD(G) SI,CMS-300,40,GREEN 27 AH92-00922B ASS’Y PCB CD MAIN MP3 28 AH61-00225A BRKT-CHUCK SECL 0.8t

8

2

12

TRAY STOPPER

13

7

11

10

9

1

3

6

28

5

4

BASE MAIN

15

19

16

21

17

20

18

27

CD SUB PCB

22

26

23

25

14

24

Samsung Electronics 2-9

2-7 SPEAKER Exploded View and Parts list

*PS L45E/ZL45E : AH81-00350A

*PS L42E : AH81-00350M

* CAUSION :It is used the bonding, connet NET FRAME(or FRONT PANEL ASS’Y) to CABINET ASS’Y.

So when the disassembly, take extreme care not to demage the SPEAKER.

Application Model ; MAXL45/ZL45

Application Model ; MAXL42/L42G