Samsung MM-N6, MM-N7 Schematic

MICRO COMPONENT
SYSTEM

MM-N7/MM-N6

SERVICE

Manual

MICRO COMPONENT SYSTME CONTENTS

TUNER CD

VOLUME

TAPE

Tuning Mode

Band

CD Synchro REC/Pause

Power
Surround

Phones

AUX

On/
Standby

Repeat
(A B)

CD Repeat

Preset EQ

Open/Close

Push
Open

Mic

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

TUNER CD

VOLUME

Tuning Mode

Band

Classic Rock

Pop

Power

Surround

Phones

AUX

On/
Standby

Repeat

(A B)

CD Repeat

Open/Close

ELECTRONICS

© Samsung Electronics Co.,Ltd. JUN. 2000

Printed in Korea
Code no.

1-1Samsung Electronics

1. Alignment and Adjustments

1-1 Tuner

FM THD Adjustment

Output

Output

23 dB

60 dB

Minumum Distortion (0.3% below)
(Figure 1-1)

SSG FREQ.

Adjustment
point
(TL3)

98 MHz

FM DETECTOR COIL

FM Search Level Adjustment

Adjust TSR1 so that “TUNED” of FLT
is lighted (Figure 1-2)

Figure1-2 FM Auto Search Level Adjustment

*Adjust FM S.S.G level to 23dB

Figure1-1 IF CENTER and THD Adjustment

SSG FREQ.

Adjustment
point

(TSR1)

98 MHz

BEACON
SENSITIVITY
SEMI-VR(5KΩ)

FM S.S.G

GND

23 dB

FM S.S.G

Output
GND

Speaker
Terminal

FM
Antenna
Terminal

Distortion Meter

Input

SET

Input

output

Oscilloscope

FM IN

FM Antenna

SET

5 kΩ

OUTPUT

AM SSG
450KHZ

INPUT

AM ANT
IN

Speaker Terminal

60cm

TL2

VTVM Oscilloscope

AM(MW) I.F Adjustment

Maximum output (Figure 1-3)

SSG FREQ.

Frequency

Adjustment
point
(TL2)

450 kHz

522 kHz

AM I.F COIL

Figure1-3 AM I.F Adjustment

OUTPUT

* Adjustment Location of SW Band

* Adjustment Location of LW Band

Alignment and Adjustments

1-2 Samsung Electronics

1-2-2 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 450KHz 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 SW1 OSC

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 SW2 OSC Check for 8.0V±1.0V at the high.

RF 1 10MHz 10MHz SW2 ANT Maximum out

Alignment and Adjustments

1-3Samsung Electronics

1-2-1 To Adjust Tape Speed

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

(Tapes recorded with 3kHz)

ii) MTT-5512 (or equivalent)

Notes

SPEED

Control

1

MTT-111N
(3KHZ)

3 kHZ ±1%

Fig. 1-4

FRONT PCB

Remark

Standard

Figure

Adjust
Point

Item

Step

Tape

USVR1

Azimuth

1

MTT-111CN

8KHZ

Fig.1-4
Fig. 1-6

Output:Maximum

Remark

Standard

Figure

Adjust
Point

Item

Step

Tape

Adjustment

screw of HEAD

1

MTT-5512

Fig. 1-5

85KHZ±1KHZ

Remark

Frequency
Range

Figure

Adjust
Point

Item

Step

Tape

JT1

Record
Frequency

Speaker
Terminal

output

Frequency Counter

Figure 1-4

Figure 1-6

Recording /Play head

AZIMUTH control

Figure 1-5

In Out

Cassette Deck

Oscilloscope

SET

(GND)

VTVM

V H

1-2 Cassette Deck : Only MM-N7 Model

SP2

SPEAKER

Pre­Setup

Press play
button after
puting tape into
the Deck1

Pre­Setup

Press Rec button after
connecting (Fig1-5)

Pre­Setup

Press Play button
after puting tape
into the Deck1

- Adjust SPEED Control

- Adjust

Record Frequency

-

Adjust Azimuth

2.Exploded Views and Parts List

2-1 Auto Reverse Cassette Deck : Only MM-N7 Model

Samsung Electronics 2-1

3

4

2

1

5

No. Code No. Description Specification Remarks

AH59-20006H DECK-CASSETTE ADR241BTR :
1 AH81-00098A ASS,Y HEAD TR981PA 14KHZ
2 AH81-00099A ASS,Y MOTOR EG530YD-2BH 12V
3 AH81-00100A BELT MAIN ADR2400S-MAIN
4 AH81-00101A BELT FR ADR2400S-FR
5 AH81-00102A SOLENOID ADR2400-1 12V

2-2 Total Exploded View and Parts List : Only MM-N7 Model

Samsung Electronics

2-2

2-2-1 Parts List

1 AH64-00510C WINDOW-DISPLAY PMMA CLEAR
2 AH64-00507C DOOR-CD ABS 94HB
3 AH67-00043A LENS-CD PMMA CLEAR
4 AH64-00512B KNOB-CONTROL ABS 94HB
5 AH67-00042A LENS-LCD PMMA CLEAR
6 AH61-00312A HOLDER-LCD ABS 94HB
7 AH63-00123A COVER-PCB HIPS 94HB
8 AH64-00509D DECO-FRONT ABS 94HB
9 AH64-00514A KNOB-EQ ABS 94HB
10 AH64-00513A KNOB-VOLUME ABS 94HB
11 AH64-00518A DECO-SM ABS 94HB
12 AH61-00309A BASE-MECHA HIPS 94HB
13 AH66-00062A GEAR-DOOR POM BLK
14 AH61-00220A SHAFT-GEAR MBS
15 AH64-00503B CABINET-FRONT HIPS 94HB
16 AH61-00314A BRKT-JOINT SECC 1.0T
17 AH66-00060A GEAR-L POM BLK
18 AH66-00061A GEAR-S POM BLK
19 AH66-00059A GEAR-PULLEY POM BLK
20 AH61-00311A HOLDER-GEAR ABS 94HB
21 AH66-10025A PULLEY-MOTOR POM BLK
22 AH66-00063A BELT-PULLEY CR
23 AH95-50001A LATCH ASSY MAX555
24 AH64-00500B CABINET-TOP HIPS 94HB
25 AH64-00508B DOOR-CASSETTE ABS 94HB
26 AH64-00511B WINDOW-DOOR PMMA CLEAR
27 AH61-00361A SPRING-DOOR STS PI1.0
28 AH61-80030A DAMPER ASSY POM M0.8
29 AH64-00502C CABINET-REAR HIPS 94HB
30 AH61-20540A HOLDER-TUNER ABS BLK
31 AH62-00026A HEAT-SINK ALS
32 AH64-00505B CABINET-SIDE.R HIPS 94HB
33 AH64-00504B CABINET-SIDE.L HIPS 94HB
34 AH64-00501A CABINET-BOTTOM HIPS 94HB
35 AH61-00310A HOLDER-MECHA ABS 94HB
36 AH73-00007A RUBBER-MECHA.A SI RUBBER
37 AH73-00010A RUBBER-HOLDER BUTYL
38 AH64-70003H BADGE-BRAND ABS STAMPING

No. Code No. Description Specification Remarks

Samsung Electronics

2-3

2-3 Total Exploded View and Parts List : Only MM-N6 Model

Samsung Electronics

2-4

2-3-1 Parts List

No. Code No. Description Specification Remarks

1 AH64-00641B WINDOW-DISPLAY PMMA CLEAR
2 AH64-00507E DOOR-CD ABS 94HB
3 AH67-00043A LENS-CD PMMA CLEAR
4 AH64-00512B KNOB-CONTROL ABS 94HB
5 AH67-00042A LENS-LCD PMMA CLEAR
6 AH61-00312A HOLDER-LCD ABS 94HB
7 AH63-00123A COVER-PCB HIPS 94HB
8 AH64-00509F DECO-FRONT ABS 94HB
9 AH64-00514A KNOB-EQ ABS 94HB
10 AH64-00513A KNOB-VOLUME ABS 94HB
11 AH64-00518A DECO-SM ABS 94HB
12 AH61-00309A BASE-MECHA HIPS 94HB
13 AH66-00062A GEAR-DOOR POM BLK
14 AH61-00220A SHAFT-GEAR MBS
15 AH64-00503B CABINET-FRONT HIPS 94HB
16 AH61-00314A BRKT-JOINT SECC 1.0T
17 AH66-00060A GEAR-L POM BLK
18 AH66-00061A GEAR-S POM BLK
19 AH66-00059A GEAR-PULLEY POM BLK
20 AH61-00311A HOLDER-GEAR ABS 94HB
21 AH66-10025A PULLEY-MOTOR POM BLK
22 AH66-00063A BELT-PULLEY CR
23 AH64-00506B CABINET-TOP HIPS 94HB
24 AH64-00502C CABINET-REAR HIPS 94HB
25 AH61-20540A HOLDER-TUNER ABS BLK
26 AH62-00026A HEAT-SINK ALS EXTR
27 AH64-00505B CABINET-SIDE.R HIPS 94HB
28 AH64-00504B CABINET-SIDE.L HIPS 94HB
29 AH64-00501A CABINET-BOTTOM HIPS 94HB
30 AH61-00310A HOLDER-MECHA ABS 94HB
31 AH73-00007A RUBBER-MECHA.A SI RUBBER
32 AH73-00010A RUBBER-HOLDER BUTYL
33 AH64-70003H BADGE-BRAND ABS STAMPING

Samsung Electronics

2-5

2-4. CD Deck Exploded View and Parts list(COMMON)

Samsung Electronics

2-6

No. Code No. Description Specification Remarks

1
2
3
4
5
6
7
8

9
10
11
12
13
14

AJ59-20003F
AH61-10022B
AH63-30048A
AH66-20016A
AH66-20017A
AH66-20018A
AH71-50036A

15253-503-011

AH64-10648A
AH66-90029A

AJ30-20001B
AH61-60055A
AH31-10009A
AH31-10002B
AH60-10014A

DECK-CD
CHASSIS-DECK(M)
COVER-GEAR
GEAR(A)
GEAR(B)
GEAR(C)
SHAFT-PU
CENTER-RING
CENTER-KNOB
TURN-TABLE(M)
PICK-UP CDP
SPRING-T/TABLE
MOTOR-SPINDLE
MOTOR-FEED
SCREW-PH(+M2*3)

CMS-P30NM6
CMSA30 POM M90-44
CMS-V30 BLK ABS
CMS-V30 M0.3 Z13 SP POM
CMS-V30 M0.3 Z13 SP POM
CMS-V30 M0.3 Z16/Z90 SP POM
CMS-V30 D3 L79 SUS420J2
ABS+GS 20% CMS-V10N
ABS 94HB

-,-,-,CMS-V30
P/U SOH-A1 ROW V-P/J
CS STS-W PI0.4 D5.7 L9.3 CMS-V10N
RF-310T-11400 43L 25V 85mA
RF-310ta 30MM NDM4RA3ETL 11.0MM
+M2X3 FE FZY W700

2-5 SPEAKER Exploded View and Parts list(COMMON)

Samsung Electronics

2-7

Description

Option

Description

Option

PN-N6 :ASS'Y SPK (AH81-00264A)

PN-N7 :ASS'Y SPK (AH81-00264T)

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

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