Samsung MAX-N25 Manuale utente

3 CD CHANGER

MINI MINI COMPONENT

MAX-N25

SERVICE Manual

MINI COMPONENT SYSTME CONTENTS

Standby

Mono/ST

TUNER CD TAPE AUX

Band

Disc 1

CD Repeat Disc Change

Open/Close

Disc 2 Disc 3

Vol.

Hi Speed

Dubbing

Program/Set

Phones

AI Off/Sleep

Timer On/Off Timer/Clock

Demo

S.BASS

Down Preset/Manual Up

CD Synchro /

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

ELECTRONICS

Printed in Korea

Code no. AH68-00073S

OUTPUT

AM SSG

450KHZ

INPUT

AM ANT

Speaker Terminal

60cm

TL2

VTVM Oscilloscope

1. Alignment and Adjustments

1-1 Tuner

Samsung Electronics 1-1

FM THD Adjustment

Output

Output 1kHz 28dB

60 dB

Minumum Distortion (0.3% below)

(Figure 1-2)

SSG FREQ.

Adjustment

point

(TL3)

98 MHz

FM DETECTOR COIL

AM(MW) I.F Adjustment

Maximum output (Figure 1-4)

SSG FREQ.

Frequency

Adjustment

point

(TL2)

450 kHz

522 kHz

AM I.F COIL

FM Search Level Adjustment

Adjust IVR1 so that “TUNED” of FLT is

lighted (Figure 1-3)

4Gain : 20dB(CE standard)

Figure1-3 FM Auto Search Level Adjustment

Figure1-4 AM I.F Adjustment

Figure1-2 IF CENTER and THD Adjustment

SSG FREQ.

Adjustment

point

(TSR1)

98 MHz

BEACON

SENSITIVITY

SEMI-VR(10KΩ)FM SSG GND

28 dB

FM SSG

Output

GND

Speaker

Terminal

Antenna

Terminal

Distortion Meter

Input

SET

Input

output

Oscilloscope

FM IN

FM Antenna

SET

TSR1

10KHz

* When adjusting T.H.D., readjust I/F coil on the Tuner Pack.

OUTPUT

Fig1-1. Adjustment location of Tuner Part

Speaker

Terminal

output

Frequency Counter

Figure 1-5 Figure 1-6

In Out

Cassette Deck Oscilloscope

SET

(GND)

VTVM

V H

SPEAKER

Figure 1-7

Recording /Play head

AZIMUTH control

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 TL11 Aduust for 1.0V±0.1V at the low.

OSC Connect AM signal (IR117)

generator to loop

antenna,VTVM AND

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

(Fig 1-3) (IR117)

(MW)

RF “ 1 594KHz 594KHz TL10 Maximum out

DET “ 1 594KHz 594KHz - Check for 1.2V±0.03V at the location NO

ATT:60dB of IC006(104M) after short-circuit IC1(0.47u).

INTER FREQ “ 1 455KHz 522KHz IFT1 Maximum out

OSC Fig 1-3 1 146KHz TL6 Aduust for 2.0V±0.1V at the low.

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

RF 1 150KHz 150KHz TL9 Maximum out

OSC Fig 1-3 1 2.3MHz TL4 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 TL8 Maximum out

OSC Fig 1-3 1 9.5MHz TL3 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 TL5 Maximum out

2-2 Samsung Electronics

1-2-1 To Adjust Tape Speed

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

(Tapes recorded with 3kHz)

ii) MTT-5512 (or equivalent)

Notes

SPEED

Control

MTT-111N

(3KHZ)

MTT-111

(3KHZ) Fig. 1-5

-5200~6600Hz

Check

Remark

Standard Figure

Adjust

Point

Item

Step Tape

DVR3

Adjustment

HI SPEED

Control

Azimuth

1MTT-113CN 8KHZ Fig. 1-7 Output:Maximum

Remark

Standard Figure

Adjust

Point

Item

Step Tape

Adjustment

screw of HEAD

L,R

Unbalance

MTT-112B

(1KHZ)

MTT-5512

±0.5dB Fig. 1-6

Fig. 1-6

SPEAKER

VTVM (A-DECK)

60KHZ±1KHZ

DCW4

Remark

Frequency

Range Figure

Adjust

Point

Item

Step Tape

DVR4

DL4

Record

Frequency

1-2 Cassette Deck

Alignment and Adjustments

Pre-

Setup

Press play

button after

puting tape into

the Deck1

Pre-

Setup

Press Rec button

after connecting

(Fig1-6)

Pre-

Setup

Rec Bias

Voltage

1MTT-5512

(3KHZ)

7V±0.5V Connect to MWF6 from

AC Meter.

Remark

Votage

Range

Adjust

Point

Item

Step Tape

SVR1

SVR2

Pre-

Setup

- Adjust SPEED Control

- Adjust Record Frequency

- Adjust Azimuth

- Adjust Rec Bias Voltage

Fig1-8. Adjustment location of Deck Part

3 kHZ ±1% Fig. 1-5 Main PCB

Samsung Electronics 1-3

2. Exploded View and Parts List

2-1 Total

Samsung Electronics 2-1

2-1-1 Parts List

No. Code No. Description Specification Q’TY Remarks

Samsung Electronics

2-2

1 AH64-00385A WINDOW-CASS.L PMMA SMOKE 1

2 AH64-00386A WINDOW-CASS.R PMMA SMOKE 1

3 AH64-00382B DOOR-CASSETTE.L ABS L/GRY 1

4 AH64-00383B DOOR-CASSETTE.R ABS L/GRY 1

5 AH64-00394B KNOB-VOLUME ABS M/GRY 1

6 AH64-00388B DECO-VOLUME ABS L/GRY 1

7 AH64-00442B KNOB-MIC ABS M/GRY 1 option

8 AH64-00387B DECO-FRONT ABS BLUE 1

9 AH61-00282A HOLDER-FRONT PC/ABS WHT 1

10 AH64-00384B WINDOW-VFD PMMA VIOLET 1

11 AH64-00389B DECO-SOUND PMMA CLR 1

12 AH63-00108A FILTER-VFD PC 0.3T BLK 1

13 AH64-00397B DOOR-CD ABS L/GRY 1

14 AH64-70003K BADGE-BRAND ABS+STAMPING 1

15 AH64-00381B CABINET-FRONT MIPS L/GRY 1

16 AH61-00013A SPRING-EJECT SUS P1.0 2

17 AH61-80030A DAMPER-ASSY POM M0.8 G130 2

18 AH67-00031B LENS-SOUND PMMA CLR 1

19 AH63-00093A FILTER-SOUND PC 0.16T MILKY 1

20 AH61-00254A HOLDER-SOUND PC/ABS WHT 1

21 AH64-00393B KNOB-OPEN ABS L/GRY 1

22 AH64-00392B KNOB-CD ABS M/GRY 1

23 AH67-00032B LENS-FUNCTION PMMA CLR 1

24 AH63-00092A FILTER-FUNCTION PC 0.16T MILKY 1

25 AH61-00255A HOLDER-FUNCTION PC/ABS WHT 1

26 AH67-00015A LENS-POWER PMMA MILKY 1

27 AH64-00390A KNOB-POWER ABS D/GRY 1

28 AH64-00391B KNOB-DEMO ABS L/GRY 1

29 AH64-00395A KNOB-CASS.S ABS M/GRY 10

30 AH64-00396A KNOB-CASS.L ABS M/GRY 1 option

31 AH64-30444A CABINET-SIDE,L MIPS L/GRAY 1

32 AH64-30443A CABINET-TOP MIPS L/GRAY 1

33 AH64-30445A CABINET-SIDE,R MIPS L/GRAY 1

34 AH61-20539A HOLDER-VFD ABS BLK 1

35 AH61-00021A SUPPORT-PCB ABS BLK 1

36 AH62-32009A HEAT-SINK,M AL EXTRU 1

37 AH61-10767A BRKT-H/SINK SECC 1.0T 1

38 AH64-30446B CABINET-REAR MIPS L/GRAY 1

39 AH64-30416A CABINET-BOTTOM SECC 1.0T 1

2-2 Cassette Deck Exploded View and Parts List : (Auto Stop)

No. Code No. Description Specification Remarks

AH59-20005X DECK-CASSETTE YN21ZSW-77

1 AH81-11037D R.F PULLEY ASS’Y 8521-200090-300

2 AH81-11154D BELT SUB 6600-090014-001

3 AH81-11037H CAM GEAR 6021-200802-001

4 AH81-11037J S REEL ASS’Y 8521-200080-300

5 AH81-11037K T REEL ASS’Y 8521-200070-300

6 AH81-11154E BELT MAIN 6600-090020-001

7 AH81-11150W R/P HEAD TC-591

8 AH81-11150X ERASE HEAD TC-230AN

9 AH81-11037Q MOTOR EG530YD2BH

Samsung Electronics 2-3

2-3 CD Deck Exploded View and Parts list

CD SUB PCB

TRAY STOPPER

BASE MAIN

No. Code No. Description Specification Remarks

Samsung Electronics

2-4

AJ59-20150T 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 AH66-20188A GEAR-CAM POM (M90-44) WHT

6 AH66-20189A GEAR-TRAY POM (M90-44) BLK

7 AH66-20190A 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 AH66-90056A TRAY-ROULLETE ABS XR-401 BLK

13 AH66-90055A TRAY-DISC ABS BLK

14 AH59-10099A ASSY-PCB SENSOR CMS-300,ASSY SENSOR

15 AH61-00225A BRKT-CHUCK SECC T0.8,CMS-300

16 3302-000159 MAGNET-CHUCK AC,3500-3800G,2.6-3.2MGOe,30

17 AH66-90057A TABLE-CHUCK ,ABS,BLK,CMS-300

18 AH69-20342B SHEET-CHUCK SHEET,HYMERON,BLK,0.4T

19 AH59-10102A ASSY-PCB SW CMS-300,ASSY SW

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 AH91-60150A CDP DECK ASSY CMS-D50SG6,CMS-300D

24 AH66-30098A LEVER-LIFTER ABS BLK CMS-300

25 AH30-00003A PICK-UP SOH-AA,D51SG6(W/D/CO)

26 AH73-10034A RUBBER-CD(G) SI,CMS-300,40,GREEN

27 AH61-20428A BASE-MAIN ABS,BLK,CMS-300

2-4 SPEAKER Exploded View and Parts list

Description

* PS-N25 : ASS’Y SPK(AH81-00242A)

Samsung Electronics 2-5

* CAUSION : It is used the bonding, connet FRONT PANEL ASS’Y to CABINET ASS’Y.

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

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