Samsung MAX-KJ650, MAX-KJ630 User Manual

3 DVD CHANGER
MINI MINI COMPONENT

MAX-KJ650
MAX-KJ630

Manual

SERVICE

MIMI MIMI COMPONENT SYSTEM CONTENTS

1. Alignment and Adjustments

2. Exploded Views and Parts List

3. Electrical Parts List

4. Block Diagrams

5. Wiring Diagram

6. Schematic Diagrams

- Confidential -

1-1Samsung Electronics

1. Alignment and Adjustments

1-1. Tuner

FM THD Adjustment

Output

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 (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(10KΩ)

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 kΩ

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

Fig 1-4 OSC Voltage

AM(MW) OSC
Adjustment

Output

1~7.0±0.5V

Received FREQ.
Adjustment

point

522~1611 KHz

MO

AM(MW) RF
Adjustment

ITEAM

594 KHz

MA

Maximum
Output(Fig1-4)

LW OSC
Adjustment

146~290 KHz

LO

2~7.0±0.5V

LW RF
Adjustment

150 KHz

LA

Maximum
Output(Fig1-4)

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 Adjust 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 Adjust 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 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 SW1 ANT Maximum out
OSC Fig 1-3 1 9.5MHz SW2 OSC 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 SW2 ANT Maximum out

Alignment and Adjustments

1-3Samsung Electronics

(GND)

VTVM

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 SPK OUT of the MAIN PCB to the fre-

quency counter as in figure 1-5.

1) Before the actual adjustment, clean the play/recording
head.

2) Measuring tape :
i) MTT-114N(or equivalent 10kHz AZIMUTH control)
ii) MTT-5512

3) The cassette deck is connections as shown in figure 1-7.

Notes

Notes

NOR
SPEED
Control

1

SPK OUT
(connected
to the frequency
counter)

Turn VSR1 to
left and right
(FRONT PCB)

3KHz

Remark

Standard

T o Adjust

Pre-Setup

Item

Step

Pre-Setup
Condition

1) Deck 1:MTT-111

2) Press PLAY
SW button

3) Deck 2:Same
as above

AZIMUTH

1

SPK OUT
(VTVM is
connected to
the scope)

- Turn the control
screw to as shown
in Figure 1-6.

Max output
and same phase
(both channels)

After
adjustment
secure it with
REGION
LOCK.

Remark

Standard

T o Adjust

Pre-Setup

Item

Step

Pre-Setup
Condition

After putting MTT­1 14N into Deck 1

- Press FWD PLA Y
button.

1

2

- Turn the control
screw to as shown in
Figure 1-6.

MAX OUTPUT
and same phase
(both channels)

CHECK TO
7mV(±0.5mV)

Remark

Standard

T o Adjust

Pre-Setup

Item

Step

Pre-Setup
Condition

After putting MTT­5512 into Deck 2

1) Press REC PLAYbutton.

2) TAPE PCB JCW3 ,connected
to VTVM

Recording
Bias
Voltage

2-2. To Adjust PlayBack Level/REC

2. Adjust Deck 2 Play Level/ REC BIAS

1. Adjust Deck 1 Play Level

MAIN PCB

output

SPK OUT

Frequency Counter

Figure 1-5

SPK OUT

Figure 1-7

In Out

MAIN PCB

Oscilloscope

2. Cassette Deck

±1%
range

Figure 1-8

Audio OSC.

SET
(MAIN PCB)

Oscilloscope

AUX IN

VTVM

IN

SPK OUT

IN OUT

TP

AZIMUTH

Figure 1-6

Recording /Play head

AZIMUTH control screw

(RVS Play)

AZIMUTH control screw

(FWD Play)

SPK OUT
(VTVM is con­nected to the
scope)

Fig 1-8

- Turn JSR2L,JSR2R
to the right and left

After adjust­ment secure
it with
REGION
LOCK.

After putting MTT­1 14N into Deck 2

- Press FWD PLA Y
button.

Samsung Electronics2-1

2.Exploded Views and Parts List

2-1-1 Cassette Deck :ADR268FTW1 (OPTION)

No. Code No. Description Specification Remarks

AH59-01146A DECK-CASSETTE ADR268FTW1
1 AH81-01030A ASSY R/P HEAD TR56R-AA2N1 MT91-11012W
2 AH81-01033A ASSY P/B HEAD DZK10P-122N3 MT91-11013C
3 AH81-00422A ASSY MOTOR ADR246DSW MT91-15013Y
4 AH81-00364A BELT MAIN1 ADR246DSW 6602-001056
5 AH81-00365A BELT MAIN2 ADR246FTW 6602-001010
6 AH81-00101A BELT SUB 34.1*1.1*1.1 6602-001055
7 AH81-00102A SOLENOID DAT-05A1 MT75-00049A

Samsung Electronics 2-2

2-1-2 Cassette Deck :ADR268AMW1 (OPTION)

No. Code No. Description Specification Remarks

2

1

7

7

6

4

6

3

5

AH59-01145A DECK-CASSETTE ADR268AMW1
1 AH81-00368A ASSY R/P HEAD ADR2400 (SANKYO) MT91-11010T
2 AH81-00141B ASSY P/B HEAD MK10P-AA2N3 MT59-00041V
3 AH81-00363A ASSY MOTOR ADR246DSW MT91-15012J
4 AH81-00364A BELT MAIN1 ADR246DSW 6602-001056
5 AH81-00365A BELT MAIN2 ADR246DSW 6602-001057
6 AH81-00101A BELT SUB 34.1*1.1*1.1 6602-001055
7 AH81-00102A SOLENOID DAT-05A1 MT75-00049A

Samsung Electronics

2-3

2-2 Total Exploded View and Parts List

Samsung Electronics 2-4

* Parts List of T otal Exploded view

Samsung Electronics

2-5

2-3 CD Deck Exploded View and Parts list

No. Code No. Description Specification Remarks

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