SAMSUNG MAX900TH Service Manual

3 CD CHANGER
MINI MINI COMPONENT

MAX-900/920

SERVICE

Manual

MICRO COMPONENT SYSTME 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. FEB. 1999

Printed in Korea
Code no. AH68-

OUTPUT

AM SSG
450KHZ

INPUT

AM ANT
IN

Speaker Terminal

60cm

TFT1

VTVM Oscilloscope

1. Alignment and Adjustments

1-1 Tuner

Samsung Electronics 1-1

FM THD Adjustment

Output

Output

1kHz 28dB

60 dB

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

SSG FREQ.

Adjustment
point
(TFT2)

98 MHz

FM DETECTOR COIL

AM(MW) I.F Adjustment

Maximum output (Figure 1-3)

SSG FREQ.

Frequency

Adjustment
point
(TFT1)

450 kHz

522 kHz

AM I.F COIL

FM Search Level Adjustment

Adjust IVR1 so that “TUNED” of FLT is
lighted (Figure 1-2)

4Gain : 20dB(CE standard)

Figure1-2 FM Auto Search Level Adjustment

Figure1-3 AM I.F Adjustment

Figure1-1 IF CENTER and THD Adjustment

SSG FREQ.

Adjustment
point

(TVR1)

98 MHz

BEACON
SENSITIVITY

SEMI-VR(20KΩ)

FM SSG

GND

28 dB

FM SSG

Output
GND

Speaker
Terminal

FM
Antenna
Terminal

Distortion Meter

Input

SET

Input

output

Oscilloscope

FM IN

FM Antenna

SET

TVR1
20KHz

SVR1

SVR2

* When adjusting T.H.D., readjust I/F coil on the Tuner Pack.

OUTPUT

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

2

MTT-111N
(3KHZ)

MTT-111
(3KHZ)

3 kHZ ±1%

Fig. 1-4

Fig. 1-4

A&B Deck
deviation : 60Hz

-

5200~6600Hz
Check

Remark

Standard

Figure

Adjust
Point

Item

Step

Tape

SVR3

No
Adjustment

HI SPEED
Control

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

L,R
Unbalance

1

2

MTT-112B
(1KHZ)

MTT-5512

±5dB

Fig. 1-5

Fig. 1-5

SPEAKER
VTVM (A-DECK)

60KHZ±1KHZ(MAX900)

85KHZ±1KHZ(MAX920)

SP2

Remark

Frequency
Range

Figure

Adjust
Point

Item

Step

Tape

SVR4

SFT1

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

Alignment and Adjustments

2-2

Samsung Electronics

SP2

SPEAKER

Pre­Setup

Press play
button after
puting tape into
the Deck1

Press play
button after
puting tape into
the Deck1

Pre­Setup

Press Rec button after
connecting (Fig1-5)

Press Rec button after
connecting (Fig1-5)

Pre­Setup

Press Play button
after puting tape
into the Deck1

Rec Bias
Voltage

1

MTT-5512
(3KHZ)

7V±0.5V

Connete to MWF6 from
AC Meter.

Remark

Votage
Range

Adjust
Point

Item

Step

Tape

SVR1

SVR2

Pre­Setup

Press Rec button
after puting tape
into the Deck1

- Adjust SPEED Control

- Adjust Record Frequency

- Adjust Azimuth

- Adjust Rec Bias Voltage(Only MAX920 Model)

No. Code No. Description Specification Remarks

2.Exploded Views and Parts List

2-1 SAMSUNG Cassette Deck Exploded View and Parts List: Only MAX920(Logic Deck)

1

3

2

7

2

3

7

4

4

5

6

Samsung Electronics 2-1

AH59-20005U DECK-CASSETTE ADR2113SW3
1 AH81-1 1052G MOTOR ASS’Y EG530YD2BH
2 AH81-10022E HEAD ASS’Y(P/B) MS15RAA2N1
3 AH81-10798V SOLENOID ASS’Y ADR2100-10(24Ω)
4 AH81-10798K PINCH ARM(F) ADR2100-06
5 AH81-10798Q MAIN BELT(R/P) ADR2113MW-02
6 AH81-10798T MAIN BELT(P/B) ADR2113MW-03
7 AH81-10798U SUB BELT ADR2100-09

2-2 Samsung Cassette Deck Exploded View and Parts List : Only MAX900(Auto Stop)

2

3

4

5

6

3

4

7

1

1

6

7

No. Code No. Description Specification Remarks

AH59-20005K DECK-CASSETTE ADR2006FW2
1 AH81-10025E IDLER ARM ASS’Y ADR02-042
2 AH81-1 1037Q MOTOR EG530YD2BH
3 AH81-10025J FR ARM ASS’Y ADR22-012
4 AH81-1 1150W R/P HEAD TC-591
5 AH81-11150X ERASE HEAD TC-230AN
6 AH81-10026L BELT MAIN 59.7 PI X 1.0T
7 AH81-10026H BELT SUB 34.7 PI X 1.0T

Samsung Electronics

2-2

2-3 Yanion Cassette Deck Exploded View and Parts List : Only MAX900(Auto Stop)

No. Code No. Description Specification Remarks

AH59-20005X DECK-CASSETTE YN21ZSW-77
1 AH81-11037D R.F PULLEY ASS’Y 8521-200090-300
2 AH81-11154D BELT SUB 6600-090014-001
3 AH81-11037H CAM GEAR 6021-200802-001
4 AH81-11037J S REEL ASS’Y 8521-200080-300
5 AH81-11037K T REEL ASS’Y 8521-200070-300
6 AH81-11154E BELT MAIN 6600-090020-001
7 AH81-11150W R/P HEAD TC-591
8 AH81-11150X ERASE HEAD TC-230AN
9 AH81-11037Q MOTOR EG530YD2BH

Samsung Electronics 2-3

2-4 Yanion Cassette Deck Exploded View and Parts List : Only MAX900(Auto Reverse)

1

3

4

5

6

7

8

9

2

No. Code No. Description Specification Remarks

1
2
3
4
5
6
7
8
9

AH59-20004E

AH81-10005W

AH81-10005Z
AH81-10006C
AH81-10006R

AH81-11037Q

AH81-10022E

AH81-10022H

AH81-10022T

AH81-10023W

TAPE DECK ASS’Y
LEAF SWITCH
PINCH ROLLER ARM ASS’Y
RF BLET
MAIN BELT
MOTOR
R/P HEAD
P/B HEAD
E-HEAD
MAIN BELT

YN921ZSW-41
MSW-1541T
1921-04-301
1921-07-03
1821-12-173
EG530YD2B
MS15R-AA2N1
MR359-KF243
PHK380-MS16A
1821-17-03

Samsung Electronics

2-4

2-5 Total Exploded View and Parts List

2-5-1 MAX900 Exploded View

OPTION

OPTION

Samsung Electronics

2-5

2-5-2 MAX900 Parts List

1 AH64-40471A WINDOW-DOOR,A PMMA SMOKE
2 AH64-40472A WINDOW-DOOR,B PMMA SMOKE
3 AH64-50357B DOOR-CASS,A ABS GRAY
4 AH64-50358B DOOR-CASS,B ABS GRAY
5 AH64-40467B DECORATION-FRONT ABS D/GRAY
6 AH64-40468B DECORATION-EQ ABS L/GRAY
7 AH64-40470B WINDOW-LCD PMMA SMOKE
8 AH64-40469A DECORATION-VOLUME ABS D/GRAY
9 AH64-11335A KNOB-VOLUME ABS D/GRAY
10 AH64-50359B DOOR-TRAY ABS GRAY
11 AH64-70003H BADGE-BRAND 30mm
12 AH64-30449B CABINET-FRONT MIPS GRAY
13 AH61-00013A SPRING-EJECT SUS Φ1.0
14 AH61-80030A DAMPER-ASSY POM
15 AH64-11337B KNOB-POWER ABS L/GRAY
16 AH64-11342B KNOB-DIRECTION ABS NAT.
17 AH64-11338B KNOB-FUNCTION ABS M/GRAY
18 AH67-10192B LENS-EQ PMMA CLEAR
19 AH67-40043A FILTER-TURBO PC 0.16T
20 AH64-11334B KNOB-EQ ABS WHT
21 AH67-10168A LENS-JOG PMMA SMOKE Option RDS
22 AH64-11340A KNOB-CASS,S ABS M/GRAY
23 AH64-11341A KNOB-CASS,L ABS M/GRAY
24 AH64-30444A CABINET-SIDE,L MIPS GRAY
25 AH64-30443A CABINET-TOP MIPS GRAY
26 AH64-30446A CABINET-SIDE,R MIPS GRAY
27 AH64-30442A CABINET-BOTTOM MIPS GRAY
28 AH64-30450B CABINET-REAR MIPS GRAY
29 AH59-20005X DECK-CASSETTE
30 G3VI 3CD-MECHA MECHAASSY
31 AH61-00021A SUPPORT-PCB ABS BLK
32 AH61-20550A HOLDER-LCD PC+ABS WHT
33 AH67-40044A FILTER-LCD PC 0.5T

No. Code No. Description Specification Remarks

2-5-3 MAX920 Parts List

No. Code No. Description Specification Remarks

1 AH64-40457B WINDOW-CD PMMA 850-71129 EXP-BASIC

AH64-40457C WINDOW-CD PMMA 850-71129 RDS

AH64-40457D WINDOW-CD PMMA 850-71129 GOODMANS
2 AH64-70003H BADGE-BRAND AL SAMSUNG
3 AH64-50353B DOOR-CD ABS L/GRAY(G6236) ALL COMMON

AH64-50353C DOOR-CD ABS L/GRAY(G6236) GOODMANS
4 AH64-40458D WINDOW-DOOR,CD PMMA 850-71129 EXP-BASIC

AH64-40458P WINDOW-DOOR,CD PMMA 850-71129 GOODMANS
5 AH67-40036A FILTER-VFD PC 0.3T BLK ALL COMMON
6 AH64-40459A WINDOW-VFD PMMA 850-41802 ALL COMMON
7 AH61-20535F CAP-FRONT,E MIPS D/GRAY SURROUND

AH61-20535G CAP-FRONT,E MIPS D/GRAY RDS, SURROUND

AH61-20535H CAP-FRONT,E MIPS D/GRAY RDS, SRS

AH61-20535J CAP-FRONT,E MIPS D/GRAY GOODMANS

AH61-20536D CAP-FRONT,D MIC, SURROUND

AH61-20536E CAP-FRONT,D MIC, SRS
8 AH64-11321B KNOB-VOLUME L/GRAY(G6236) ALL COMMON
9 AH61-20538B CAP-JOG ABS NATURAL ALL COMMON
10 AH64-40462A DECO-JOG ABS 94HB BLK ALL COMMON
11 AH61-20537B CAP-TIMER ABS NATURAL ALL COMMON
12 AH64-11317B KNOB-TIMER ABS NATURAL ALL COMMON
13 AH64-40460A WINDOW-DOOR,A PMMA 850-71129 ALL COMMON
14 AH64-40461A WINDOW-DOOR,B PMMA 850-71129 ALL COMMON
15 AH64-50351B DOOR-CASS.A ABS L/GRAY(G6236) ALL COMMON

AH64-50351D DOOR-CASS.A ABS L/GRAY(G6236) GOODMANS
16 AH64-50352C DOOR-CASS.B ABS L/GRAY(G6236) HIGH SPEED DUBBING

AH64-50352E DOOR-CASS.B ABS L/GRAY(G6236) GOODMANS
17 AH61-62004A SPRING-EJECT,A STS •’1.1 ALL COMMON
18 AH61-62005A SPRING-EJECT,B STS •’1.1 ALL COMMON
19 AH64-30441B CABINET-FRONT MIPS L/GRAY(G6236) ALL COMMON

AH64-30441D CABINET-FRONT MIPS L/GRAY(G6236) GOODMANS
20 AH61-80030A ASS’Y DAMPER POM ALL COMMON
21 AH95-500011A ASS’Y LATCH ALL COMMON
22 AH67-10187A LENS-REC PMMA MILKY ALL COMMON
23 AH64-11318A KNOB-DUBBING ABS D/GRAY(G3174) ALL COMMON
24 AH67-10184B LENS-TURBO ACRYL CLR ALL COMMON
25 AH67-40038A FILTER-TURBO KIMO 100 ALL COMMON
26 AH61-20543A HOLDER-TURBO ABS WHT ALL COMMON
27 AH64-11320B KNOB-FUNTION L/GRAY(G6236) ALL COMMON

AH64-11320C KNOB-FUNTION L/GRAY(G6236) GOODMANS
28 AH64-11315A KNOB-DISC L/GRAY(G3174) ALL COMMON
29 AH64-11319A KNOB-DEMO D/GRAY(G3174) ALL COMMON
30 AH64-11316B KNOB-POWER L/GRAY(G6236) ALL COMMON
31 AH61-00021A SUPPORT-PCB ABS 94HB BLK
32 AH64-11214C KNOB-MIC ABS D/GRAY(G3174) BUYER OPTION
35 AH64-30444A CABINET-SIDE,L MIPS M/GRAY
36 AH64-30445A CABINET-SIDE,R MIPS M/GRAY
37 AH64-30416A CABINET-BOTTOM SECC 1.0T ALL COMMON
38 AH64-30450B CABINET-REAR MIPS M/GRAY BASIC (=DOM, EXP-BASIC)

AH64-30450C MIPS M/GRAY BASIC + DIGITAL OUT

AH64-30450D MIPS M/GRAY BASIC + SURROUND

AH64-30450E MIPS M/GRAY BASIC (=DOM, EXP-BASIC)
39 AH64-30443A CABINET-TOP MIPS M/GRAY

Samsung Electronics

2-6

2-5-4 MAX920 Exploded View

Samsung Electronics

2-7

2-6 CD Deck Exploded View and Parts list(COMMON)

13

8

2

7

6

5

4

9

3

1

10

17

16

12

11

20

15

21

14

19

TRAY DISC ASS'Y

TRAY STOPPER

BASE MAIN

18

22

No. Code No. Description Specification Remarks

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
19
20

21
22

AH66-80022A
AH66-60034A
AH66-20186A
AH66-20187A
AH66-20188A
AH66-20189A
AH66-20190A
AH66-20191A
AH59-10097A
AH59-10098A
AH69-20044A
AH66-20193A
AH66-90056A
AH66-90055A
AH59-10099A
AH59-10100A
AH59-10101A
AH66-30098A
AH73-10035A
AH73-10034A
AH91-60150A
AH30-00003A

SLIDER-CAM
BELT-LOAD
GEAR-PULLEY
GEAR-LOAD
GEAR-CAM
GEAR-TRAY
GEAR-CONVERT
GEAR-SYNCRO
ASSY-TRAY DISC
ASSY-WORM -MOTOR
CUSHION-MOTOR
GEAR-ROULETTE
TRAY-ROULETTE
TRAY-DISC
ASSY-PCB SENSOR
ASSY-TABLE CHUCK
ASSY-PULLEY-MOTOR
LEVER-LIFTER
RUBBER-CD RED
RUBBER-CD GREEN
DECK-CDP
PICK-UP

ABS HF-380 NTR
CR
POM (M90-44) WHT
POM (M90-44) BLK
POM (M90-44) WHT
POM (M90-44) BLK
POM (M90-44) WHT
ABS HF-380 NTR
CMS-300,ASS’Y-TRAY
CMS-300,ASS’Y-WORM
NBR BLK
POM (M90-44) BLK
ABS XR-401 BLK

-,ABS,-,BLK
CMS-300,ASS’Y SENSOR
CMS-300,ASS’Y CHUCK
CMS-300,ASS’Y CHUCK
ABS BLK CMS-300
SI, CMS-300,40,RED
SI, CMS-300,40,GREEN
CMS-D515G6(U)
SOH-AA,D51SG6(WITH DUST COVER)

Samsung Electronics

2-8