Samsung MAX-VB630 Service Manual

3 VCD CHANGER

MINI MINI COMPONENT

MAX-VB630

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. 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

2~7.0±0.5V

1~8V±1V

1~8V±1V

±0.5

1~7.0 V

(Fig1-4)

(Fig1-4)

(Fig1-4)

(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	MO	Adjust for 1.0V±0.1V at the	low.
		OSC	Connect AM signal					(IR117)
			generator to loop
			antenna,VTVM AND
			oscilloscope	2	1611KHz	1611KHz	MO	Check for 7.0V±1.0V at the high.
			(Fig 1-3)					(IR117)
AM
(MW)
		RF	“	1	594KHz	594KHz	MA	Maximum out
		INTER FREQ	“	1	455KHz	522KHz	AM IF	Maximum out
		OSC	Fig 1-3	1		146KHz	LO	Adjust for 2.0V±0.1V at the	low.
LW				2		290KHz	LO	Check for 7.0V±1.0V at the high.
		RF		1	150KHz	150KHz	LA	Maximum out
		OSC	Fig 1-3	1		2.3MHz	SO1	Adjust 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	SA1	Maximum out
		OSC	Fig 1-3	1		9.5MHz	SO2	Adjust 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	SA2	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 URV1 to

SPEED

SW button

3KHz

to the frequency

left and right

Control

3) Deck 2:MTT-5512

counter)

FRONT PCB

		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.

Adjust REC Bias Voltage

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
UCW2

Figure 1-7

@ Adjust Deck 2 Play Level

Step

Item

Pre-Setup

Pre-Setup

To Adjust

Standard

Remark

Condition

1) Turn the control

After putting MTT-

SPK OUT

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.

Samsung Electronics

1-3

2.Exploded Views and Parts List

2-1 Cassette Deck :ADR246AMW(OPTION)

2	1

7

7

6

6

5

4

3

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.	Description	Code No.	Q’ty	Specification		REMARK
1	DOOR-CD	AH64-01704B	1	ABS L/GRAY
2	WINDOW-DOORCD	AH64-01749F	1	PMMA BROWN		VB630
3	WINDOW-VFD	AH64-01705C	1	PMMA BROWN
4	SHEET-VFD	AH63-00395A	1	PC 0.4T
5	KNOB-MIC	AH6401715B	1	ABS L/GRAY
6	CAP-MIC.D	AH64-00964B	1	ABS L/GRAY		“MIC, NO RDS”
7	KNOB-CONTRL	AH64-01713B	1	ABS CLEAR	HOT/STAMPING
8	COVER-CONTROL	AH61-00965A	1	ABS BLK
9	KNOB-STOP	AH64-01718B	1	PC BLUE
10	CAP-CONTROL	AH61-00980B	1	AL 0.8T
11	KNOB-JOG	AH64-01710B	1	ABS L/GRAY
12	WINDOW-DOOR.A	AH64-01706A	1	PMMA BROWN
13	WINDOW-DOOR.B	AH64-01707A	1	PMMA BROWN
14	DOOR-CASS.A	AH64-01701B	1	ABS L/GRAYFULL LOGIC
		AH64-01701C	1	ABS L/GRAYAUTO REVERSE
15	DOOR-CASS.B	AH64-01702B	1	ABS L/GRAYAUTO REVERSE
16	HOLDER-DOOR.A	AH61-01011A	1	ABS L/GRAY
17	HOLDER-DOOR.A	AH61-01012A	1	ABS L/GRAY
18	KNOB-SOUND	AH64-01716B	1	ABS L/GRAY
19	KNOB-VOLUME	AH64-01711B	1	ABS L/GRAY
20	KNOB-SUBWOOFER	AH64-01717B	1	ABS L/GRAY
21	LENS-SOUND	AH64-00157A	1	PMMA BLUE
22	LENS-VOLUME	AH67-00156A	1	PMMA BLUE
23	LENS-SUBWOOFER	AH67-00160A	1	PMMA BLUE
24	BADGE-BRAND	AH64-70003K	1	ABS BLK	HOT/STAMPING
25	CABINET-FRONT	AH64-01700B	1	ABS L/GRAYNO RDS
26	KNOB-OPEN	AH64-01709B	1	ABS L/GRAY
27	KNOB-DEMO	AH64-01714B	1	ABS L/GRAY
28	LENS-STANDBY	AH67-00159A	1	PMMA MILKY
29	KNOB-POWER	AH64-01708B	1	ABS L/GRAY
30	KNOB-ECHO	AH64-01719B	1	ABS L/GRAY
31	LENS-FUNCTION	AH67-00154C	1	PMMA BLUE
32	HOLDER-FUNCTION	AH61-00967A	1	ABS WHITE
33	LENS-P.SOUND	AH67-00155A	1	PMMA CLEAR
34	HOLDER-P.SOUND	AH61-00970A	1	ABS BLK
35	KNOB-ENTER	AH64-01712B	1	ABS L/GRAY
36	LATCH ASSY	AH95-50001A	2	POM
37	DAMPER	AH61-80030A	2	POM
38	SPRING .A	AH61-00522A	1	STS
39	SPRING .B	AH61-00523A	1	STS
40	HEAT-SINK IC	AH62-00044A	1	AL
41	SUPPORT-RIVET	AH61-00414A	3	POM
42	SUPPORT-PCB	AH61-00021A	1	ABS BLK

No.	Description	Code No.	Q’ty	Specification	REMARK
40	HEAT-SINK IC	AH62-00044A	1	AL
41	SUPPORT-RIVET	AH61-00414A	3	POM
42	SUPPORT-PCB	AH61-00021A	1	ABS BLK
43	COVER-PCB	AH63-00278A	1	EVA
44	BRACKET-PCB	AH61-00685A	1	SECC0.8T
45	BRACKET-H/SINK.L	AH61-00973A	1	SECC1.0T
46	BRACKET-H/SINK.R	AH61-00977A	1	SECC1.0T
47	HEAT-SINK.M	AH62-00063A	1	AL	WB650
		AH62-00063D	1	AL	WB630
48	CABINET-BOTTOM	AH64-03416E	1	SECC 1.0T
49	CABINET-REAR	AH64-01703G	1	SECC 0.8T	1 VOL
		AH64-01703H	1	SECC 0.8T	2 VOL
		AH64-01703J	1	SECC 0.8T	1VOL+SW
		AH64-01703K	1	SECC 0.8T	2VOL+SW
50	COVER-REAR	AH61-00969A	1	ABS L/GRAY
51	CABINET-TOP	AH64-00616A	1	SECC 0.8T

43 COVER-PCBAH63-00278A 1 EVA

Samsung Electronics

2-3

2-3 CD Deck Exploded View and Parts list

	8
	2
7	1
	3
	6
	28
	5
	4

BASE MAIN 15

TRAY STOPPER

	19	16
		21
		17
		20
12		18
	27	CD SUB PCB
	10
		22
	9
13	11

26

23

25

14

24

No.	Code No.	Description	Specification	Remarks
	AH97-00857A	ASS’Y-DECK	G3HI-3CD/VCD
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

* 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	4	7
	2
	3

	PS VB630E ASS'Y RIGHT: AH81-00642X				6
	PS VB630E ASS'Y LEFT: AH81-00642Y
No.	Description	Specification	Code No.	Q'TY
1	PANEL ASS'Y	PANEL+P/GRILLE	AH81-00642T		1
2	UNIT TWEETER	2"	AH81-00642N		1
3	UNIT WOOFER	5	AH81-00642V		1
4	WOOFER RING	HIPS BLK	AH81-00642G		1
5	CABINET ASS'Y	PB 9t / 12t	AH81-00642J		1
6	UNIT SUBWOOFER	6	AH81-00642U		1
7	SIDE-PANEL	HIPS WHITE	AH81-00642E		1

Samsung Electronics

2-5