Samsung MAX-B550, MAX-B555, MAX-B570, MAX-ZB550 Service manual

3 CD CHANGER MINI MINI COMPONENT

MAX-B550 MAX-B570 MAX-B555 MAX-ZB550

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

ELECTRONICS

Printed in Korea Code no. AH68-01107L

1-1Samsung Electronics

1. Alignment and Adjustments

1-1. Tuner

FM THD Adjustment

Output

28 dB(±2dB)

60 dB

Minumum Distortion (0.4% below) (Figure 1-1)

SSG FREQ. Adjustment

point (FM DET)

98 MHz

FM DETECTOR COIL

FM Search Level Adjustment

Adjust SVR1 so that “TUNED” of FLT is lighted (Figure 1-2)

Figure1-2 FM Auto Search Level Adjustment

*Adjust FM S.S.G level to 28dB

Figure1-1 IF CENTER and THD Adjustment

SSG FREQ. Adjustment

point

(SVR1)

98 MHz

BEACON SENSITIVITY SEMI-VR(10K½)

FM S.S.G

GND

28 dB

FM S.S.G

Output GND

Speaker Terminal

FM Antenna Terminal

Distortion Meter

Input

SET

Input

output

Oscilloscope

FM IN

FM Antenna

SET

20 k½

OUTPUT

AM SSG 450KHZ

INPUT

AM ANT IN

Speaker Terminal

60cm

AM IF

VTVM Oscilloscope

AM(MW) I.F Adjustment

Maximum output (Figure 1-3)

SSG FREQ. Frequency Adjustment

point

450 kHz 522 kHz

AM IF

Figure1-3 AM I.F Adjustment

OUTPUT

* Adjustment Location of Tuner PCB

TESTER

MAIN PCB

VT GND

Fig 1-4 OSC Voltage

AM(MW) OSC

Output

1~7.0±0.5V

Received FREQ.

Adjustment point

522~1611 KHz

AM(MW) RF

ITEAM

594 KHz

Maximum Output (Fig1-4)

LW OSC

146~290 KHz

2~7.0±0.5V

AM(MW) RF

150 KHz

Maximum Output (Fig1-4)

SW1 OSC

2.3~7.3 MHz

1~8V±1V

SW1 RF

3.5MHz MA

Maximum Output (Fig1-4)

SW2 OSC

9.5~26.1MHz

SW2 RF

10MHz

Maximum Output (Fig1-4)

1~8V±1V

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

NOR SPEED Control

OUT

(connected

to the frequency

counter)

Turn USR1 to left and right

3KHz

Remark

Standard

To Adjust

Pre-Setup

Item

Step

Pre-Setup Condition

1) Deck 1:MTT-111

2) Press PLAY

SW button

3) Deck 2:MTT-5512

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

DCW2 as in

Fig.1-7 and read

the VTVM.

L-CH;DSR2 and R-CH;DSR1 to the right and left.

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 :ADR246AMW(OPTION)

No. Code No. Description Specification Remarks

AH59-00075A DECK-CASSETTE ADR246AMW 1 AH81-00368A ASS.Y RP HEAD ADR2400-RP(SANKYO) MT91-11010T 2 AH81-00141A HEAD PB TC881CB MT59-00044A 3 AH81-00363A ASS,Y MOTOR ADR2400-SHU2L MT91-15012J 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 Total Exploded View and Parts List

Samsung Electronics 2-3

* Parts List of Total Exploded view

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

1 AH64-01720B CABINET-FRONT MIPS L/GRAY 1 NO MIC

AH64-01720C CABINET-FRONT MIPS L/GRAY 1 MIC,W/OUT ECHO AH64-01720D CABINET-FRONT MIPS DARK/GRAY 2 MIC,W/ECHO—-XFO AH64-01720E CABINET-FRONT MIPS L/GRAY 2 MIC,W/ECHO

2 AH64-01722B DOOR-CD ABS L/GRAY 1 BASIC

AH64-01722C DOOR-CD ABS D/GRAY XFO

3 AH64-01725B WINDOW-CD,DOOR PMMA GRAY 1 MAX-B550

AH64-01725C WINDOW-CD,DOOR PMMA GRAY MAX-B570 AH64-01725D WINDOW-CD,DOOR PMMA GRAY MAX-B555 AH64-01725E WINDOW-CD,DOOR PMMA GRAY MAX-VB555 AH64-01725F WINDOW-CD,DOOR PMMAGRAY MAX-ZB550 AH64-01725K WINDOW-CD,DOOR PMMA GRAY MAX-VB550

4 AH64-01726B WINDOW-VFD PMMA GRAY 1 RDS

AH64-01726C WINDOW-VFD PMMA GRAY NO RDS 5 AH64-01727B WINDOW-DOOR,A PMMA GRAY 1 6 AH64-01728B WINDOW-DOOR,B PMMA GRAY 1 7 AH64-01723B DOOR-CASS,A ABS L/GRAY 1 AUTO STOP

AH64-01723C DOOR-CASS,A ABS D/GRAY XFO 8 AH64-01724B DOOR-CASS,B ABS L/GRAY 1 AUTO REVERSE

AH64-01724C DOOR-CASS,B ABS D/GRAY XFO 9 AH61-00971A HOLDER-CASS A ABS L/GRAY 1

AH61-00971B HOLDER-CASS A ABS D/GRAY XFO 10 AH61-00972A HOLDER-CASS B ABS L/GRAY 1

AH61-00972B HOLDER-CASS B ABS D/GRAY XFO 11 AH64-01739B KNOB-JOG ABS L/GRAY 1 12 AH67-00164B LENS-JOG PMMA BLUE 1 BASIC

AH67-00164D LENS-JOG PMMA BLUE MAX-ZB550 13 AH61-00976B CAP-DUMMY ABS NATURAL 1 14 AH61-00975B CAP-JOG ABS L/GRAY 1 15 AH64-01732B KNOB-DECK ABS NATURAL 1 16 AH64-01733B KNOB-SEARCH ABS NATURAL 1 17 AH64-01736B KNOB-VOLUME ABS L/GRAY 1 18 AH64-01737B KNOB-WOOFER ABS L/GRAY 1 19 AH67-00163A LENS-VOLUME PMMA BLUE 1 20 AH67-00165A LENS-WOOFER PMMA BLUE 1 21 AH63-00396A SHEET-VFD PVC T0.5 1 22 AH61-00552A SPRING-EJECT,A STS 1.0 1 23 AH61-00553A SPRING-EJECT,B STS 1.0 1 24 AH61-00974B CAP-S.MODE ABS L/GRAY 1 SOUND MODE

AH61-00974C CAP-S.MODE ABS L/GRAY LATIN SOUND

AH61-00974D CAP-S.MODE ABS D/GRAY XFO 25 AH64-01738B KNOB-S.MODE ABS NATURAL 1 26 AH95-50001A LATCH-ASS¡®Y POM BLK 2 27 AH61-80030A DAMPER-GEAR POM BLK 2 28 AH64-01734B KNOB-ENTER ABS L/GRAY 1 29 AH67-00162B LENS-P/SOUND PMMAORANGE 1 30 AH61-00981A HOLDER-P SOUND ABS L/GRAY 1

31 AH64-01729B KNOB-OPEN ABS L/GRAY 1 32 AH67-00161B LENS-FUNCTION PMMA BLUE 1 33 AH61-00979A HOLDER-FUNCTION PC+ABS WHITE 1 34 AH64-01730B KNOB-TIMER ABS L/GRAY 1 35 AH64-01731B KNOB-POWER ABS L/GRAY 1 36 AH67-00166A LENS-POWER PMMA MILKY 1 37 AH64-70003K BADGE-BRAND ABS 94HB, SILVER 1 38 AH61-00521A HOLDER-VFD ABS BLACK 1 39 AH64-00900A CABINET-SIDE L MIPS 94HB 1 40 AH64-00901A CABINET-SIDE R MIPS 94HB 1 41 AH64-30443F CABINET-TOP MIPS 94HB 1 42 AH64-30416E CABINET-BOTTOM SECC T0.8 1 43 AH61-00973A BRKT-H SINK L SECC T1.0 1 44 AH61-00977A BRKT-H SINK R SECC T1.0 1 45 AH62-00063B HEAT-SINK M AL EXTR 1 46 AH64-01721A CABINET-REAR MIPS GRAY 1

AH64-01721B CABINET-REAR MIPS GRAY DIGITAL OUT 47 AH61-01036A COVER-REAR ABS L/GRAY 1 48 AH61-00685A BRKT-PCB SECC T0.8 1 49 AH62-00044A HEAT-SINK IC AL T3.0 1 50 AH61-00021B SUPPORT-PCB ABS BLK 1 51 AH61-40014A SUPPORT-RIVET ABS ASS’Y 3 52 AH63-00278A COVER-PCB PVC T0.5 1 53 AH65-30010A CLAMP-WIRE DALB-2 2 54 AH61-00413B BRKT-DECK SPTE T0.4 1 55 AH64-01735B KNOB-ECHO ABS L/GRAY 1 OPTION 56 AH64-01715B KNOB-MIC VOL ABS L/GRAY 1 OPTION

Samsung Electronics

2-4

2-3 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

Samsung Electronics 2-5

2-4 SPEAKER Exploded View and Parts list

PS B550E/H : AH81-00640A

No. Description Code No. Q'TY

PANEL ASS'Y AH81-00640Q

UNIT TWEETER AH81-00609R

Specification

P ANEL+P/GRILLE+PIEZO

F20T-D253-1

UNIT WOOFER AH81-00640J

5 WHITE CONE

WOOFER RING AH81-00640E

HIPS BLK

CABINET ASS'Y

AH81-00640G

PB 9t / 12t

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

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

2-4-1 MAXB550/MAXZB550

Samsung Electronics

2-6

1 2

PS B570E/H : AH81-00637A

No. Description Code No. Q'TY

PANEL ASS'Y AH81-00637M

UNIT TWEETER AH81-00609Q

Specification

P ANEL+P/GRILLE+PIEZO

F20T-D253

CABINET ASS'Y AH81-00637G

PB 9t / 12t

UNIT WOOFER AH81-00637J

WOOFER RING

AH81-00637E

HIPS BLK

2-4-2 MAXB570

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

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

+ 23 hidden pages