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

©Samsung Electronics Co.,Ltd. APR. 2002 Printed in Korea

Code no. AH68-01107L

1. Alignment and Adjustments

1-1. Tuner

* Adjustment Location of Tuner PCB

AM(MW)

SW1

SW2

SW2

LW

AM(MW)

SW1

AM(MW)

OSC

RF

OSC

RF

OSC

RF

OSC

RF

ITEAM

Received FREQ.

522~1611 KHz

594 KHz

146~290 KHz

150 KHz

2.3~7.3 MHz

3.5MHz

9.5~26.1MHz

10MHz

Adjustment

MO

MA

LO

LA

LO

MA

LO

MA

point

Maximum

Maximum

Maximum

Maximum

Output

Output

Output

Output

Output

±0.5

±1

±1

1~7.0±0.5V

(Fig1-4)

2~7.0 V

(Fig1-4)

1~8V

V

(Fig1-4)

1~8V V

(Fig1-4)

MAIN

VT

GND

TESTER

PCB

Fig 1-4 OSC Voltage

FM THD Adjustment

SSG FREQ.

98 MHz

Adjustment

point FM DETECTOR COIL (FM DET)

Output		60 dB

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

Output	FM
	Antenna	SET
GND
	Terminal		Oscilloscope
FM S.S.G		Input
	Speaker
	Terminal	output	Input
		Distortion Meter

Figure1-1 IF CENTER and THD Adjustment

FM Search Level Adjustment

SSG FREQ.				98 MHz
Adjustment				BEACON
point
				SENSITIVITY
	(SVR1)			SEMI-VR(10K½)
	Output
				28 dB(±2dB)

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

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

AM(MW) I.F Adjustment

SSG FREQ.	450 kHz
Frequency	522 kHz
Adjustment	AM IF
point

Maximum output (Figure 1-3)

	28 dB	FM Antenna
		SET
FM S.S.G	GND	FM IN

20 k½

Figure1-2 FM Auto Search Level Adjustment

	60cm
		AM IF
	OUTPUT	AM ANT
		IN
	AM SSG	Speaker Terminal
	450KHZ
	INPUT	OUTPUT
	VTVM	Oscilloscope

Figure1-3 AM I.F Adjustment

Samsung Electronics

1-1

Alignment and Adjustments

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

1-2	Samsung Electronics

Alignment and Adjustments

1-2 Cassette Deck

1-2-1 To Adjust Tape Speed

1-2-2 To Adjust PlayBack Level

Recording /Play head

Notes

Cassette Deck

Frequency Counter

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

(Tapes recorded with 3kHz)

ii) MTT-5512 (or equivalent)

SPK OUT

2) Connect the cassette deck to the frequency counter

output

as in figure 1-4.

Figure 1-4

Step

Item

Pre-Setup

Pre-Setup

To Adjust

Standard

Remark

Condition

1) Deck 1:MTT-111

OUT

NOR

2) Press PLAY

1

(connected

Turn USR1 to

SPEED

SW button

3KHz

to the frequency

left and right

Control

3) Deck 2:MTT-5512

counter)

Adjust REC Bias Voltage

		Notes
	1)	Before the actual adjustment, clean the play/recording
		head.	AZIMUTH control screw
	2)	Measuring tape :
			Figure 1-5

	i) MTT-114(or equivalent 10kHz AZIMUTH control)
	ii) MTT-112(or equivalent) :				Oscilloscope
	3) The cassette deck is connections as shown in figure 1-6.	SET	VTVM
		SPK OUT
		(GND)	In	Out

! Adjust Deck 1 Play Level

Figure 1-6

Step

Item

Pre-Setup

Pre-Setup

To Adjust

Standard

Remark

Condition

After putting MTT-

After

SPK OUT

Max output

1) Turn the control

(VTVM is

114 into Deck 1

adjustment

screw to as shown

and same phase

secure it with

1)Press PLAY button.

in Figure 1-5.

(both channels)

AZIMUTH

connected to

1

REGION

the scope)

LOCK.

L-CH:Turn JSR2L

Adjust to level

PLAY MTT-112

See the

Same as

to the right and

and same as

PlayBack

diagram for

2

on Deck 1.

above

left

R-CH.

out Level

adjustment

R-CH : fixed.

locations.

Step

Item

Pre-Setup

Pre-Setup

To Adjust

Standard

Remark

Condition

Connect to

REC

Input MTT-5512

L-CH;DSR2

See diagram

1

Bias

DCW2 as in

6V

into Deck2,then

and R-CH;DSR1

for adjustment

Voltage

Fig.1-7 and read

press REC button.

to the right and

location

the VTVM.

left.

VTVM	Oscilloscope
SET
IN
JCW3

Figure 1-7

@ Adjust Deck 2 Play Level

Step

Item

Pre-Setup

Pre-Setup

To Adjust

Standard

Remark

Condition

1) Turn the control

SPK OUT

After putting MTT-

Max output

After

1

AZIMUTH

(VTVM is

114 into Deck 2

screw to as shown

and same phase

adjustment

in Figure 1-5.

connected to

1)Press PLAY button.

(both channels)

secure it with

the scope)

REGION

LOCK.

Check level

PLAY MTT-150

See the

No Adjustment

and same as

PlayBack

Same as

diagram for

Deck1 level

2

on Deck 2.

out Level

above

adjustment

locations.

Samsung Electronics

1-3

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

2-1

2-2 Total Exploded View and Parts List

2-2	Samsung Electronics

* 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	PMMA GRAY		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	PMMA ORANGE	1
30	AH61-00981A	HOLDER-P SOUND	ABS L/GRAY	1

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

2-3

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

2-4	Samsung Electronics

2-4 SPEAKER Exploded View and Parts list

2-4-1 MAXB550/MAXZB550

* 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.

5

1

2

4

3

PS B550E/H : AH81-00640A

No.	Description	Specification	Code No.	Q'TY
1	PANEL ASS'Y	PANEL+P/GRILLE+PIEZO	AH81-00640Q	1
2	UNIT TWEETER	F20T-D253-1	AH81-00609R	1
3	UNIT WOOFER	5 WHITE CONE	AH81-00640J	1
4	WOOFER RING	HIPS BLK	AH81-00640E	1
5	CABINET ASS'Y	PB 9t / 12t	AH81-00640G	1

Samsung Electronics

2-5

2-4-2 MAXB570

* 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.

3

1 2

		5			PS B570E/H : AH81-00637A
4				No.	Description	Specification	Code No.	Q'TY
				1	PANEL ASS'Y	PANEL+P/GRILLE+PIEZO	AH81-00637M	1
				2	UNIT TWEETER	F20T-D253	AH81-00609Q	1
				3	CABINET ASS'Y	PB 9t / 12t	AH81-00637G	1
				4	UNIT WOOFER	6	AH81-00637J	1
				5	WOOFER RING	HIPS BLK	AH81-00637E	1

2-6	Samsung Electronics